diff --git a/Android.mk b/Android.mk
index fc9c319..ae5d67e 100644
--- a/Android.mk
+++ b/Android.mk
@@ -244,6 +244,8 @@
 	core/java/android/service/notification/IConditionListener.aidl \
 	core/java/android/service/notification/IConditionProvider.aidl \
 	core/java/android/service/vr/IVrListener.aidl \
+	core/java/android/service/vr/IVrManager.aidl \
+	core/java/android/service/vr/IVrStateCallbacks.aidl \
 	core/java/android/print/ILayoutResultCallback.aidl \
 	core/java/android/print/IPrinterDiscoveryObserver.aidl \
 	core/java/android/print/IPrintDocumentAdapter.aidl \
diff --git a/api/current.txt b/api/current.txt
index dfdff24..ed70474 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -4915,6 +4915,7 @@
     field public static final int DEFAULT_LIGHTS = 4; // 0x4
     field public static final int DEFAULT_SOUND = 1; // 0x1
     field public static final int DEFAULT_VIBRATE = 2; // 0x2
+    field public static final java.lang.String EXTRA_ALLOW_GENERATED_REPLIES = "android.allowGeneratedReplies";
     field public static final java.lang.String EXTRA_BACKGROUND_IMAGE_URI = "android.backgroundImageUri";
     field public static final java.lang.String EXTRA_BIG_TEXT = "android.bigText";
     field public static final java.lang.String EXTRA_CHRONOMETER_COUNTS_DOWN = "android.chronometerCountsDown";
@@ -4923,12 +4924,14 @@
     field public static final java.lang.String EXTRA_LARGE_ICON = "android.largeIcon";
     field public static final java.lang.String EXTRA_LARGE_ICON_BIG = "android.largeIcon.big";
     field public static final java.lang.String EXTRA_MEDIA_SESSION = "android.mediaSession";
+    field public static final java.lang.String EXTRA_MESSAGES = "android.messages";
     field public static final java.lang.String EXTRA_PEOPLE = "android.people";
     field public static final java.lang.String EXTRA_PICTURE = "android.picture";
     field public static final java.lang.String EXTRA_PROGRESS = "android.progress";
     field public static final java.lang.String EXTRA_PROGRESS_INDETERMINATE = "android.progressIndeterminate";
     field public static final java.lang.String EXTRA_PROGRESS_MAX = "android.progressMax";
     field public static final java.lang.String EXTRA_REMOTE_INPUT_HISTORY = "android.remoteInputHistory";
+    field public static final java.lang.String EXTRA_SELF_DISPLAY_NAME = "android.selfDisplayName";
     field public static final java.lang.String EXTRA_SHOW_CHRONOMETER = "android.showChronometer";
     field public static final java.lang.String EXTRA_SHOW_WHEN = "android.showWhen";
     field public static final java.lang.String EXTRA_SMALL_ICON = "android.icon";
@@ -4937,6 +4940,7 @@
     field public static final java.lang.String EXTRA_TEMPLATE = "android.template";
     field public static final java.lang.String EXTRA_TEXT = "android.text";
     field public static final java.lang.String EXTRA_TEXT_LINES = "android.textLines";
+    field public static final java.lang.String EXTRA_THREAD_TITLE = "android.threadTitle";
     field public static final java.lang.String EXTRA_TITLE = "android.title";
     field public static final java.lang.String EXTRA_TITLE_BIG = "android.title.big";
     field public static final int FLAG_AUTO_CANCEL = 16; // 0x10
@@ -4979,7 +4983,7 @@
     field public int ledARGB;
     field public int ledOffMS;
     field public int ledOnMS;
-    field public int number;
+    field public deprecated int number;
     field public int priority;
     field public android.app.Notification publicVersion;
     field public android.net.Uri sound;
@@ -5026,11 +5030,13 @@
     method public android.app.Notification.Action.Builder extend(android.app.Notification.Action.Builder);
     method public java.lang.CharSequence getCancelLabel();
     method public java.lang.CharSequence getConfirmLabel();
+    method public boolean getHintContentIntentLaunchesActivity();
     method public java.lang.CharSequence getInProgressLabel();
     method public boolean isAvailableOffline();
     method public android.app.Notification.Action.WearableExtender setAvailableOffline(boolean);
     method public android.app.Notification.Action.WearableExtender setCancelLabel(java.lang.CharSequence);
     method public android.app.Notification.Action.WearableExtender setConfirmLabel(java.lang.CharSequence);
+    method public android.app.Notification.Action.WearableExtender setHintContentIntentLaunchesActivity(boolean);
     method public android.app.Notification.Action.WearableExtender setInProgressLabel(java.lang.CharSequence);
   }
 
@@ -5072,7 +5078,7 @@
     method public android.app.Notification.Builder setChronometerCountsDown(boolean);
     method public android.app.Notification.Builder setColor(int);
     method public deprecated android.app.Notification.Builder setContent(android.widget.RemoteViews);
-    method public android.app.Notification.Builder setContentInfo(java.lang.CharSequence);
+    method public deprecated android.app.Notification.Builder setContentInfo(java.lang.CharSequence);
     method public android.app.Notification.Builder setContentIntent(android.app.PendingIntent);
     method public android.app.Notification.Builder setContentText(java.lang.CharSequence);
     method public android.app.Notification.Builder setContentTitle(java.lang.CharSequence);
@@ -5089,7 +5095,7 @@
     method public android.app.Notification.Builder setLargeIcon(android.graphics.drawable.Icon);
     method public android.app.Notification.Builder setLights(int, int, int);
     method public android.app.Notification.Builder setLocalOnly(boolean);
-    method public android.app.Notification.Builder setNumber(int);
+    method public deprecated android.app.Notification.Builder setNumber(int);
     method public android.app.Notification.Builder setOngoing(boolean);
     method public android.app.Notification.Builder setOnlyAlertOnce(boolean);
     method public android.app.Notification.Builder setPriority(int);
@@ -5174,6 +5180,32 @@
     method public android.app.Notification.MediaStyle setShowActionsInCompactView(int...);
   }
 
+  public static class Notification.MessagingStyle extends android.app.Notification.Style {
+    ctor public Notification.MessagingStyle(java.lang.CharSequence);
+    method public android.app.Notification.MessagingStyle addMessage(java.lang.CharSequence, long, java.lang.CharSequence);
+    method public android.app.Notification.MessagingStyle addMessage(android.app.Notification.MessagingStyle.Message);
+    method public boolean getAllowGeneratedReplies();
+    method public java.lang.CharSequence getConversationTitle();
+    method public java.util.List<android.app.Notification.MessagingStyle.Message> getMessages();
+    method public java.lang.CharSequence getUserDisplayName();
+    method public android.app.Notification.MessagingStyle setAllowGeneratedReplies(boolean);
+    method public android.app.Notification.MessagingStyle setConversationTitle(java.lang.CharSequence);
+    field public static final int MAXIMUM_RETAINED_MESSAGES = 25; // 0x19
+  }
+
+  public static final class Notification.MessagingStyle.Message implements android.os.Parcelable {
+    ctor public Notification.MessagingStyle.Message(java.lang.CharSequence, long, java.lang.CharSequence);
+    method public int describeContents();
+    method public java.lang.String getDataMimeType();
+    method public android.net.Uri getDataUri();
+    method public java.lang.CharSequence getSender();
+    method public java.lang.CharSequence getText();
+    method public long getTimestamp();
+    method public android.app.Notification.MessagingStyle.Message setData(java.lang.String, android.net.Uri);
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.app.Notification.MessagingStyle.Message> CREATOR;
+  }
+
   public static abstract class Notification.Style {
     ctor public Notification.Style();
     method public android.app.Notification build();
@@ -5207,6 +5239,7 @@
     method public android.app.PendingIntent getDisplayIntent();
     method public int getGravity();
     method public boolean getHintAvoidBackgroundClipping();
+    method public boolean getHintContentIntentLaunchesActivity();
     method public boolean getHintHideIcon();
     method public int getHintScreenTimeout();
     method public boolean getHintShowBackgroundOnly();
@@ -5222,6 +5255,7 @@
     method public android.app.Notification.WearableExtender setDisplayIntent(android.app.PendingIntent);
     method public android.app.Notification.WearableExtender setGravity(int);
     method public android.app.Notification.WearableExtender setHintAvoidBackgroundClipping(boolean);
+    method public android.app.Notification.WearableExtender setHintContentIntentLaunchesActivity(boolean);
     method public android.app.Notification.WearableExtender setHintHideIcon(boolean);
     method public android.app.Notification.WearableExtender setHintScreenTimeout(int);
     method public android.app.Notification.WearableExtender setHintShowBackgroundOnly(boolean);
@@ -7885,6 +7919,7 @@
     method public static boolean isSyncPending(android.accounts.Account, java.lang.String);
     method public void notifyChange(android.net.Uri, android.database.ContentObserver);
     method public void notifyChange(android.net.Uri, android.database.ContentObserver, boolean);
+    method public void notifyChange(android.net.Uri, android.database.ContentObserver, int);
     method public final android.content.res.AssetFileDescriptor openAssetFileDescriptor(android.net.Uri, java.lang.String) throws java.io.FileNotFoundException;
     method public final android.content.res.AssetFileDescriptor openAssetFileDescriptor(android.net.Uri, java.lang.String, android.os.CancellationSignal) throws java.io.FileNotFoundException;
     method public final android.os.ParcelFileDescriptor openFileDescriptor(android.net.Uri, java.lang.String) throws java.io.FileNotFoundException;
@@ -7915,6 +7950,8 @@
     field public static final java.lang.String CURSOR_DIR_BASE_TYPE = "vnd.android.cursor.dir";
     field public static final java.lang.String CURSOR_ITEM_BASE_TYPE = "vnd.android.cursor.item";
     field public static final java.lang.String EXTRA_SIZE = "android.content.extra.SIZE";
+    field public static final int NOTIFY_SKIP_NOTIFY_FOR_DESCENDANTS = 2; // 0x2
+    field public static final int NOTIFY_SYNC_TO_NETWORK = 1; // 0x1
     field public static final java.lang.String SCHEME_ANDROID_RESOURCE = "android.resource";
     field public static final java.lang.String SCHEME_CONTENT = "content";
     field public static final java.lang.String SCHEME_FILE = "file";
@@ -19214,7 +19251,7 @@
     field public static final int ADR_STATE_VALID = 1; // 0x1
     field public static final android.os.Parcelable.Creator<android.location.GnssMeasurement> CREATOR;
     field public static final int MULTIPATH_INDICATOR_DETECTED = 1; // 0x1
-    field public static final int MULTIPATH_INDICATOR_NOT_USED = 2; // 0x2
+    field public static final int MULTIPATH_INDICATOR_NOT_DETECTED = 2; // 0x2
     field public static final int MULTIPATH_INDICATOR_UNKNOWN = 0; // 0x0
     field public static final int STATE_BDS_D2_BIT_SYNC = 256; // 0x100
     field public static final int STATE_BDS_D2_SUBFRAME_SYNC = 512; // 0x200
@@ -19234,21 +19271,20 @@
   }
 
   public final class GnssMeasurementsEvent implements android.os.Parcelable {
-    ctor public GnssMeasurementsEvent(android.location.GnssClock, android.location.GnssMeasurement[]);
     method public int describeContents();
     method public android.location.GnssClock getClock();
     method public java.util.Collection<android.location.GnssMeasurement> getMeasurements();
     method public void writeToParcel(android.os.Parcel, int);
     field public static final android.os.Parcelable.Creator<android.location.GnssMeasurementsEvent> CREATOR;
-    field public static final int STATUS_GNSS_LOCATION_DISABLED = 2; // 0x2
-    field public static final int STATUS_NOT_SUPPORTED = 0; // 0x0
-    field public static final int STATUS_READY = 1; // 0x1
   }
 
   public static abstract class GnssMeasurementsEvent.Callback {
     ctor public GnssMeasurementsEvent.Callback();
     method public void onGnssMeasurementsReceived(android.location.GnssMeasurementsEvent);
     method public void onStatusChanged(int);
+    field public static final int STATUS_LOCATION_DISABLED = 2; // 0x2
+    field public static final int STATUS_NOT_SUPPORTED = 0; // 0x0
+    field public static final int STATUS_READY = 1; // 0x1
   }
 
   public final class GnssNavigationMessage implements android.os.Parcelable {
@@ -19276,36 +19312,24 @@
     field public static final int TYPE_UNKNOWN = 0; // 0x0
   }
 
-  public final class GnssNavigationMessageEvent implements android.os.Parcelable {
-    ctor public GnssNavigationMessageEvent(android.location.GnssNavigationMessage);
-    method public int describeContents();
-    method public android.location.GnssNavigationMessage getNavigationMessage();
-    method public void writeToParcel(android.os.Parcel, int);
-    field public static final android.os.Parcelable.Creator<android.location.GnssNavigationMessageEvent> CREATOR;
-    field public static final int STATUS_GNSS_LOCATION_DISABLED = 2; // 0x2
+  public static abstract class GnssNavigationMessage.Callback {
+    ctor public GnssNavigationMessage.Callback();
+    method public void onGnssNavigationMessageReceived(android.location.GnssNavigationMessage);
+    method public void onStatusChanged(int);
+    field public static final int STATUS_LOCATION_DISABLED = 2; // 0x2
     field public static final int STATUS_NOT_SUPPORTED = 0; // 0x0
     field public static final int STATUS_READY = 1; // 0x1
   }
 
-  public static abstract class GnssNavigationMessageEvent.Callback {
-    ctor public GnssNavigationMessageEvent.Callback();
-    method public void onGnssNavigationMessageReceived(android.location.GnssNavigationMessageEvent);
-    method public void onStatusChanged(int);
-  }
-
-  public abstract interface GnssNmeaListener {
-    method public abstract void onNmeaReceived(long, java.lang.String);
-  }
-
   public final class GnssStatus {
     method public float getAzimuthDegrees(int);
     method public float getCn0DbHz(int);
     method public int getConstellationType(int);
     method public float getElevationDegrees(int);
-    method public int getNumSatellites();
+    method public int getSatelliteCount();
     method public int getSvid(int);
-    method public boolean hasAlmanac(int);
-    method public boolean hasEphemeris(int);
+    method public boolean hasAlmanacData(int);
+    method public boolean hasEphemerisData(int);
     method public boolean usedInFix(int);
     field public static final int CONSTELLATION_BEIDOU = 5; // 0x5
     field public static final int CONSTELLATION_GALILEO = 6; // 0x6
@@ -19316,15 +19340,15 @@
     field public static final int CONSTELLATION_UNKNOWN = 0; // 0x0
   }
 
-  public abstract class GnssStatusCallback {
-    ctor public GnssStatusCallback();
+  public static abstract class GnssStatus.Callback {
+    ctor public GnssStatus.Callback();
     method public void onFirstFix(int);
     method public void onSatelliteStatusChanged(android.location.GnssStatus);
     method public void onStarted();
     method public void onStopped();
   }
 
-  public final class GpsSatellite {
+  public final deprecated class GpsSatellite {
     method public float getAzimuth();
     method public float getElevation();
     method public int getPrn();
@@ -19334,7 +19358,7 @@
     method public boolean usedInFix();
   }
 
-  public final class GpsStatus {
+  public final deprecated class GpsStatus {
     method public int getMaxSatellites();
     method public java.lang.Iterable<android.location.GpsSatellite> getSatellites();
     method public int getTimeToFirstFix();
@@ -19344,11 +19368,11 @@
     field public static final int GPS_EVENT_STOPPED = 2; // 0x2
   }
 
-  public static abstract interface GpsStatus.Listener {
+  public static abstract deprecated interface GpsStatus.Listener {
     method public abstract void onGpsStatusChanged(int);
   }
 
-  public static abstract interface GpsStatus.NmeaListener {
+  public static abstract deprecated interface GpsStatus.NmeaListener {
     method public abstract void onNmeaReceived(long, java.lang.String);
   }
 
@@ -19410,8 +19434,8 @@
   public class LocationManager {
     method public deprecated boolean addGpsStatusListener(android.location.GpsStatus.Listener);
     method public deprecated boolean addNmeaListener(android.location.GpsStatus.NmeaListener);
-    method public boolean addNmeaListener(android.location.GnssNmeaListener);
-    method public boolean addNmeaListener(android.location.GnssNmeaListener, android.os.Handler);
+    method public boolean addNmeaListener(android.location.OnNmeaMessageListener);
+    method public boolean addNmeaListener(android.location.OnNmeaMessageListener, android.os.Handler);
     method public void addProximityAlert(double, double, float, long, android.app.PendingIntent);
     method public void addTestProvider(java.lang.String, boolean, boolean, boolean, boolean, boolean, boolean, boolean, int, int);
     method public void clearTestProviderEnabled(java.lang.String);
@@ -19427,13 +19451,13 @@
     method public boolean isProviderEnabled(java.lang.String);
     method public boolean registerGnssMeasurementsCallback(android.location.GnssMeasurementsEvent.Callback);
     method public boolean registerGnssMeasurementsCallback(android.location.GnssMeasurementsEvent.Callback, android.os.Handler);
-    method public boolean registerGnssNavigationMessageCallback(android.location.GnssNavigationMessageEvent.Callback);
-    method public boolean registerGnssNavigationMessageCallback(android.location.GnssNavigationMessageEvent.Callback, android.os.Handler);
-    method public boolean registerGnssStatusCallback(android.location.GnssStatusCallback);
-    method public boolean registerGnssStatusCallback(android.location.GnssStatusCallback, android.os.Handler);
+    method public boolean registerGnssNavigationMessageCallback(android.location.GnssNavigationMessage.Callback);
+    method public boolean registerGnssNavigationMessageCallback(android.location.GnssNavigationMessage.Callback, android.os.Handler);
+    method public boolean registerGnssStatusCallback(android.location.GnssStatus.Callback);
+    method public boolean registerGnssStatusCallback(android.location.GnssStatus.Callback, android.os.Handler);
     method public deprecated void removeGpsStatusListener(android.location.GpsStatus.Listener);
     method public deprecated void removeNmeaListener(android.location.GpsStatus.NmeaListener);
-    method public void removeNmeaListener(android.location.GnssNmeaListener);
+    method public void removeNmeaListener(android.location.OnNmeaMessageListener);
     method public void removeProximityAlert(android.app.PendingIntent);
     method public void removeTestProvider(java.lang.String);
     method public void removeUpdates(android.location.LocationListener);
@@ -19452,8 +19476,8 @@
     method public void setTestProviderLocation(java.lang.String, android.location.Location);
     method public void setTestProviderStatus(java.lang.String, int, android.os.Bundle, long);
     method public void unregisterGnssMeasurementsCallback(android.location.GnssMeasurementsEvent.Callback);
-    method public void unregisterGnssNavigationMessageCallback(android.location.GnssNavigationMessageEvent.Callback);
-    method public void unregisterGnssStatusCallback(android.location.GnssStatusCallback);
+    method public void unregisterGnssNavigationMessageCallback(android.location.GnssNavigationMessage.Callback);
+    method public void unregisterGnssStatusCallback(android.location.GnssStatus.Callback);
     field public static final java.lang.String GPS_PROVIDER = "gps";
     field public static final java.lang.String KEY_LOCATION_CHANGED = "location";
     field public static final java.lang.String KEY_PROVIDER_ENABLED = "providerEnabled";
@@ -19482,6 +19506,10 @@
     field public static final int TEMPORARILY_UNAVAILABLE = 1; // 0x1
   }
 
+  public abstract interface OnNmeaMessageListener {
+    method public abstract void onNmeaMessage(java.lang.String, long);
+  }
+
   public abstract class SettingInjectorService extends android.app.Service {
     ctor public SettingInjectorService(java.lang.String);
     method public final android.os.IBinder onBind(android.content.Intent);
@@ -34685,6 +34713,7 @@
     method public android.os.IBinder onBind(android.content.Intent);
     method public void onInterruptionFilterChanged(int);
     method public void onListenerConnected();
+    method public void onListenerDisconnected();
     method public void onListenerHintsChanged(int);
     method public void onNotificationPosted(android.service.notification.StatusBarNotification);
     method public void onNotificationPosted(android.service.notification.StatusBarNotification, android.service.notification.NotificationListenerService.RankingMap);
@@ -46435,21 +46464,21 @@
     ctor public DatePicker(android.content.Context, android.util.AttributeSet);
     ctor public DatePicker(android.content.Context, android.util.AttributeSet, int);
     ctor public DatePicker(android.content.Context, android.util.AttributeSet, int, int);
-    method public android.widget.CalendarView getCalendarView();
-    method public boolean getCalendarViewShown();
+    method public deprecated android.widget.CalendarView getCalendarView();
+    method public deprecated boolean getCalendarViewShown();
     method public int getDayOfMonth();
     method public int getFirstDayOfWeek();
     method public long getMaxDate();
     method public long getMinDate();
     method public int getMonth();
-    method public boolean getSpinnersShown();
+    method public deprecated boolean getSpinnersShown();
     method public int getYear();
     method public void init(int, int, int, android.widget.DatePicker.OnDateChangedListener);
-    method public void setCalendarViewShown(boolean);
+    method public deprecated void setCalendarViewShown(boolean);
     method public void setFirstDayOfWeek(int);
     method public void setMaxDate(long);
     method public void setMinDate(long);
-    method public void setSpinnersShown(boolean);
+    method public deprecated void setSpinnersShown(boolean);
     method public void updateDate(int, int, int);
   }
 
@@ -50022,6 +50051,9 @@
     method public int compareTo(java.lang.Boolean);
     method public static boolean getBoolean(java.lang.String);
     method public static int hashCode(boolean);
+    method public static boolean logicalAnd(boolean, boolean);
+    method public static boolean logicalOr(boolean, boolean);
+    method public static boolean logicalXor(boolean, boolean);
     method public static boolean parseBoolean(java.lang.String);
     method public static java.lang.String toString(boolean);
     method public static java.lang.Boolean valueOf(boolean);
@@ -50985,6 +51017,8 @@
     method public static float abs(float);
     method public static double abs(double);
     method public static double acos(double);
+    method public static int addExact(int, int);
+    method public static long addExact(long, long);
     method public static double asin(double);
     method public static double atan(double);
     method public static double atan2(double, double);
@@ -50994,12 +51028,20 @@
     method public static float copySign(float, float);
     method public static double cos(double);
     method public static double cosh(double);
+    method public static int decrementExact(int);
+    method public static long decrementExact(long);
     method public static double exp(double);
     method public static double expm1(double);
     method public static double floor(double);
+    method public static int floorDiv(int, int);
+    method public static long floorDiv(long, long);
+    method public static int floorMod(int, int);
+    method public static long floorMod(long, long);
     method public static int getExponent(float);
     method public static int getExponent(double);
     method public static double hypot(double, double);
+    method public static int incrementExact(int);
+    method public static long incrementExact(long);
     method public static double log(double);
     method public static double log10(double);
     method public static double log1p(double);
@@ -51011,8 +51053,14 @@
     method public static long min(long, long);
     method public static float min(float, float);
     method public static double min(double, double);
+    method public static int multiplyExact(int, int);
+    method public static long multiplyExact(long, long);
+    method public static int negateExact(int);
+    method public static long negateExact(long);
     method public static double nextAfter(double, double);
     method public static float nextAfter(float, double);
+    method public static double nextDown(double);
+    method public static float nextDown(float);
     method public static double nextUp(double);
     method public static float nextUp(float);
     method public static double pow(double, double);
@@ -51027,9 +51075,12 @@
     method public static double sin(double);
     method public static double sinh(double);
     method public static double sqrt(double);
+    method public static int subtractExact(int, int);
+    method public static long subtractExact(long, long);
     method public static double tan(double);
     method public static double tanh(double);
     method public static double toDegrees(double);
+    method public static int toIntExact(long);
     method public static double toRadians(double);
     method public static double ulp(double);
     method public static float ulp(float);
@@ -51313,6 +51364,8 @@
     method public static float abs(float);
     method public static double abs(double);
     method public static double acos(double);
+    method public static int addExact(int, int);
+    method public static long addExact(long, long);
     method public static double asin(double);
     method public static double atan(double);
     method public static double atan2(double, double);
@@ -51325,6 +51378,10 @@
     method public static double exp(double);
     method public static double expm1(double);
     method public static double floor(double);
+    method public static int floorDiv(int, int);
+    method public static long floorDiv(long, long);
+    method public static int floorMod(int, int);
+    method public static long floorMod(long, long);
     method public static int getExponent(float);
     method public static int getExponent(double);
     method public static double hypot(double, double);
@@ -51339,8 +51396,12 @@
     method public static long min(long, long);
     method public static float min(float, float);
     method public static double min(double, double);
+    method public static int multiplyExact(int, int);
+    method public static long multiplyExact(long, long);
     method public static double nextAfter(double, double);
     method public static float nextAfter(float, double);
+    method public static double nextDown(double);
+    method public static float nextDown(float);
     method public static double nextUp(double);
     method public static float nextUp(float);
     method public static double pow(double, double);
@@ -51355,9 +51416,12 @@
     method public static double sin(double);
     method public static double sinh(double);
     method public static double sqrt(double);
+    method public static int subtractExact(int, int);
+    method public static long subtractExact(long, long);
     method public static double tan(double);
     method public static double tanh(double);
     method public static double toDegrees(double);
+    method public static int toIntExact(long);
     method public static double toRadians(double);
     method public static double ulp(double);
     method public static float ulp(float);
@@ -57405,6 +57469,14 @@
     method public static int hashCode(float[]);
     method public static int hashCode(double[]);
     method public static int hashCode(java.lang.Object[]);
+    method public static void parallelPrefix(T[], java.util.function.BinaryOperator<T>);
+    method public static void parallelPrefix(T[], int, int, java.util.function.BinaryOperator<T>);
+    method public static void parallelPrefix(long[], java.util.function.LongBinaryOperator);
+    method public static void parallelPrefix(long[], int, int, java.util.function.LongBinaryOperator);
+    method public static void parallelPrefix(double[], java.util.function.DoubleBinaryOperator);
+    method public static void parallelPrefix(double[], int, int, java.util.function.DoubleBinaryOperator);
+    method public static void parallelPrefix(int[], java.util.function.IntBinaryOperator);
+    method public static void parallelPrefix(int[], int, int, java.util.function.IntBinaryOperator);
     method public static void parallelSetAll(T[], java.util.function.IntFunction<? extends T>);
     method public static void parallelSetAll(int[], java.util.function.IntUnaryOperator);
     method public static void parallelSetAll(long[], java.util.function.IntToLongFunction);
diff --git a/api/removed.txt b/api/removed.txt
index 3f16bca..8c6abdc 100644
--- a/api/removed.txt
+++ b/api/removed.txt
@@ -84,6 +84,67 @@
 
 }
 
+package android.location {
+
+  public final class GnssMeasurement implements android.os.Parcelable {
+    field public static final int MULTIPATH_INDICATOR_NOT_USED = 2; // 0x2
+  }
+
+  public final class GnssMeasurementsEvent implements android.os.Parcelable {
+    field public static final int STATUS_GNSS_LOCATION_DISABLED = 2; // 0x2
+    field public static final int STATUS_NOT_SUPPORTED = 0; // 0x0
+    field public static final int STATUS_READY = 1; // 0x1
+  }
+
+  public final class GnssNavigationMessageEvent implements android.os.Parcelable {
+    ctor public GnssNavigationMessageEvent(android.location.GnssNavigationMessage);
+    method public int describeContents();
+    method public android.location.GnssNavigationMessage getNavigationMessage();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.location.GnssNavigationMessageEvent> CREATOR;
+    field public static final int STATUS_GNSS_LOCATION_DISABLED = 2; // 0x2
+    field public static final int STATUS_NOT_SUPPORTED = 0; // 0x0
+    field public static final int STATUS_READY = 1; // 0x1
+  }
+
+  public static abstract class GnssNavigationMessageEvent.Callback {
+    ctor public GnssNavigationMessageEvent.Callback();
+    method public void onGnssNavigationMessageReceived(android.location.GnssNavigationMessageEvent);
+    method public void onStatusChanged(int);
+  }
+
+  public abstract interface GnssNmeaListener {
+    method public abstract void onNmeaReceived(long, java.lang.String);
+  }
+
+  public final class GnssStatus {
+    method public int getNumSatellites();
+    method public boolean hasAlmanac(int);
+    method public boolean hasEphemeris(int);
+  }
+
+  public abstract class GnssStatusCallback {
+    ctor public GnssStatusCallback();
+    method public void onFirstFix(int);
+    method public void onSatelliteStatusChanged(android.location.GnssStatus);
+    method public void onStarted();
+    method public void onStopped();
+  }
+
+  public class LocationManager {
+    method public boolean addNmeaListener(android.location.GnssNmeaListener);
+    method public boolean addNmeaListener(android.location.GnssNmeaListener, android.os.Handler);
+    method public boolean registerGnssNavigationMessageCallback(android.location.GnssNavigationMessageEvent.Callback);
+    method public boolean registerGnssNavigationMessageCallback(android.location.GnssNavigationMessageEvent.Callback, android.os.Handler);
+    method public boolean registerGnssStatusCallback(android.location.GnssStatusCallback);
+    method public boolean registerGnssStatusCallback(android.location.GnssStatusCallback, android.os.Handler);
+    method public void removeNmeaListener(android.location.GnssNmeaListener);
+    method public void unregisterGnssNavigationMessageCallback(android.location.GnssNavigationMessageEvent.Callback);
+    method public void unregisterGnssStatusCallback(android.location.GnssStatusCallback);
+  }
+
+}
+
 package android.media {
 
   public final class AudioFormat implements android.os.Parcelable {
diff --git a/api/system-current.txt b/api/system-current.txt
index 96b1e28..0896214 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -5048,6 +5048,7 @@
     field public static final int DEFAULT_LIGHTS = 4; // 0x4
     field public static final int DEFAULT_SOUND = 1; // 0x1
     field public static final int DEFAULT_VIBRATE = 2; // 0x2
+    field public static final java.lang.String EXTRA_ALLOW_GENERATED_REPLIES = "android.allowGeneratedReplies";
     field public static final java.lang.String EXTRA_BACKGROUND_IMAGE_URI = "android.backgroundImageUri";
     field public static final java.lang.String EXTRA_BIG_TEXT = "android.bigText";
     field public static final java.lang.String EXTRA_CHRONOMETER_COUNTS_DOWN = "android.chronometerCountsDown";
@@ -5056,12 +5057,14 @@
     field public static final java.lang.String EXTRA_LARGE_ICON = "android.largeIcon";
     field public static final java.lang.String EXTRA_LARGE_ICON_BIG = "android.largeIcon.big";
     field public static final java.lang.String EXTRA_MEDIA_SESSION = "android.mediaSession";
+    field public static final java.lang.String EXTRA_MESSAGES = "android.messages";
     field public static final java.lang.String EXTRA_PEOPLE = "android.people";
     field public static final java.lang.String EXTRA_PICTURE = "android.picture";
     field public static final java.lang.String EXTRA_PROGRESS = "android.progress";
     field public static final java.lang.String EXTRA_PROGRESS_INDETERMINATE = "android.progressIndeterminate";
     field public static final java.lang.String EXTRA_PROGRESS_MAX = "android.progressMax";
     field public static final java.lang.String EXTRA_REMOTE_INPUT_HISTORY = "android.remoteInputHistory";
+    field public static final java.lang.String EXTRA_SELF_DISPLAY_NAME = "android.selfDisplayName";
     field public static final java.lang.String EXTRA_SHOW_CHRONOMETER = "android.showChronometer";
     field public static final java.lang.String EXTRA_SHOW_WHEN = "android.showWhen";
     field public static final java.lang.String EXTRA_SMALL_ICON = "android.icon";
@@ -5070,6 +5073,7 @@
     field public static final java.lang.String EXTRA_TEMPLATE = "android.template";
     field public static final java.lang.String EXTRA_TEXT = "android.text";
     field public static final java.lang.String EXTRA_TEXT_LINES = "android.textLines";
+    field public static final java.lang.String EXTRA_THREAD_TITLE = "android.threadTitle";
     field public static final java.lang.String EXTRA_TITLE = "android.title";
     field public static final java.lang.String EXTRA_TITLE_BIG = "android.title.big";
     field public static final int FLAG_AUTO_CANCEL = 16; // 0x10
@@ -5112,7 +5116,7 @@
     field public int ledARGB;
     field public int ledOffMS;
     field public int ledOnMS;
-    field public int number;
+    field public deprecated int number;
     field public int priority;
     field public android.app.Notification publicVersion;
     field public android.net.Uri sound;
@@ -5159,11 +5163,13 @@
     method public android.app.Notification.Action.Builder extend(android.app.Notification.Action.Builder);
     method public java.lang.CharSequence getCancelLabel();
     method public java.lang.CharSequence getConfirmLabel();
+    method public boolean getHintContentIntentLaunchesActivity();
     method public java.lang.CharSequence getInProgressLabel();
     method public boolean isAvailableOffline();
     method public android.app.Notification.Action.WearableExtender setAvailableOffline(boolean);
     method public android.app.Notification.Action.WearableExtender setCancelLabel(java.lang.CharSequence);
     method public android.app.Notification.Action.WearableExtender setConfirmLabel(java.lang.CharSequence);
+    method public android.app.Notification.Action.WearableExtender setHintContentIntentLaunchesActivity(boolean);
     method public android.app.Notification.Action.WearableExtender setInProgressLabel(java.lang.CharSequence);
   }
 
@@ -5205,7 +5211,7 @@
     method public android.app.Notification.Builder setChronometerCountsDown(boolean);
     method public android.app.Notification.Builder setColor(int);
     method public deprecated android.app.Notification.Builder setContent(android.widget.RemoteViews);
-    method public android.app.Notification.Builder setContentInfo(java.lang.CharSequence);
+    method public deprecated android.app.Notification.Builder setContentInfo(java.lang.CharSequence);
     method public android.app.Notification.Builder setContentIntent(android.app.PendingIntent);
     method public android.app.Notification.Builder setContentText(java.lang.CharSequence);
     method public android.app.Notification.Builder setContentTitle(java.lang.CharSequence);
@@ -5222,7 +5228,7 @@
     method public android.app.Notification.Builder setLargeIcon(android.graphics.drawable.Icon);
     method public android.app.Notification.Builder setLights(int, int, int);
     method public android.app.Notification.Builder setLocalOnly(boolean);
-    method public android.app.Notification.Builder setNumber(int);
+    method public deprecated android.app.Notification.Builder setNumber(int);
     method public android.app.Notification.Builder setOngoing(boolean);
     method public android.app.Notification.Builder setOnlyAlertOnce(boolean);
     method public android.app.Notification.Builder setPriority(int);
@@ -5307,6 +5313,32 @@
     method public android.app.Notification.MediaStyle setShowActionsInCompactView(int...);
   }
 
+  public static class Notification.MessagingStyle extends android.app.Notification.Style {
+    ctor public Notification.MessagingStyle(java.lang.CharSequence);
+    method public android.app.Notification.MessagingStyle addMessage(java.lang.CharSequence, long, java.lang.CharSequence);
+    method public android.app.Notification.MessagingStyle addMessage(android.app.Notification.MessagingStyle.Message);
+    method public boolean getAllowGeneratedReplies();
+    method public java.lang.CharSequence getConversationTitle();
+    method public java.util.List<android.app.Notification.MessagingStyle.Message> getMessages();
+    method public java.lang.CharSequence getUserDisplayName();
+    method public android.app.Notification.MessagingStyle setAllowGeneratedReplies(boolean);
+    method public android.app.Notification.MessagingStyle setConversationTitle(java.lang.CharSequence);
+    field public static final int MAXIMUM_RETAINED_MESSAGES = 25; // 0x19
+  }
+
+  public static final class Notification.MessagingStyle.Message implements android.os.Parcelable {
+    ctor public Notification.MessagingStyle.Message(java.lang.CharSequence, long, java.lang.CharSequence);
+    method public int describeContents();
+    method public java.lang.String getDataMimeType();
+    method public android.net.Uri getDataUri();
+    method public java.lang.CharSequence getSender();
+    method public java.lang.CharSequence getText();
+    method public long getTimestamp();
+    method public android.app.Notification.MessagingStyle.Message setData(java.lang.String, android.net.Uri);
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.app.Notification.MessagingStyle.Message> CREATOR;
+  }
+
   public static abstract class Notification.Style {
     ctor public Notification.Style();
     method public android.app.Notification build();
@@ -5340,6 +5372,7 @@
     method public android.app.PendingIntent getDisplayIntent();
     method public int getGravity();
     method public boolean getHintAvoidBackgroundClipping();
+    method public boolean getHintContentIntentLaunchesActivity();
     method public boolean getHintHideIcon();
     method public int getHintScreenTimeout();
     method public boolean getHintShowBackgroundOnly();
@@ -5355,6 +5388,7 @@
     method public android.app.Notification.WearableExtender setDisplayIntent(android.app.PendingIntent);
     method public android.app.Notification.WearableExtender setGravity(int);
     method public android.app.Notification.WearableExtender setHintAvoidBackgroundClipping(boolean);
+    method public android.app.Notification.WearableExtender setHintContentIntentLaunchesActivity(boolean);
     method public android.app.Notification.WearableExtender setHintHideIcon(boolean);
     method public android.app.Notification.WearableExtender setHintScreenTimeout(int);
     method public android.app.Notification.WearableExtender setHintShowBackgroundOnly(boolean);
@@ -8183,6 +8217,7 @@
     method public static boolean isSyncPending(android.accounts.Account, java.lang.String);
     method public void notifyChange(android.net.Uri, android.database.ContentObserver);
     method public void notifyChange(android.net.Uri, android.database.ContentObserver, boolean);
+    method public void notifyChange(android.net.Uri, android.database.ContentObserver, int);
     method public final android.content.res.AssetFileDescriptor openAssetFileDescriptor(android.net.Uri, java.lang.String) throws java.io.FileNotFoundException;
     method public final android.content.res.AssetFileDescriptor openAssetFileDescriptor(android.net.Uri, java.lang.String, android.os.CancellationSignal) throws java.io.FileNotFoundException;
     method public final android.os.ParcelFileDescriptor openFileDescriptor(android.net.Uri, java.lang.String) throws java.io.FileNotFoundException;
@@ -8213,6 +8248,8 @@
     field public static final java.lang.String CURSOR_DIR_BASE_TYPE = "vnd.android.cursor.dir";
     field public static final java.lang.String CURSOR_ITEM_BASE_TYPE = "vnd.android.cursor.item";
     field public static final java.lang.String EXTRA_SIZE = "android.content.extra.SIZE";
+    field public static final int NOTIFY_SKIP_NOTIFY_FOR_DESCENDANTS = 2; // 0x2
+    field public static final int NOTIFY_SYNC_TO_NETWORK = 1; // 0x1
     field public static final java.lang.String SCHEME_ANDROID_RESOURCE = "android.resource";
     field public static final java.lang.String SCHEME_CONTENT = "content";
     field public static final java.lang.String SCHEME_FILE = "file";
@@ -20374,7 +20411,7 @@
     field public static final int ADR_STATE_VALID = 1; // 0x1
     field public static final android.os.Parcelable.Creator<android.location.GnssMeasurement> CREATOR;
     field public static final int MULTIPATH_INDICATOR_DETECTED = 1; // 0x1
-    field public static final int MULTIPATH_INDICATOR_NOT_USED = 2; // 0x2
+    field public static final int MULTIPATH_INDICATOR_NOT_DETECTED = 2; // 0x2
     field public static final int MULTIPATH_INDICATOR_UNKNOWN = 0; // 0x0
     field public static final int STATE_BDS_D2_BIT_SYNC = 256; // 0x100
     field public static final int STATE_BDS_D2_SUBFRAME_SYNC = 512; // 0x200
@@ -20394,21 +20431,20 @@
   }
 
   public final class GnssMeasurementsEvent implements android.os.Parcelable {
-    ctor public GnssMeasurementsEvent(android.location.GnssClock, android.location.GnssMeasurement[]);
     method public int describeContents();
     method public android.location.GnssClock getClock();
     method public java.util.Collection<android.location.GnssMeasurement> getMeasurements();
     method public void writeToParcel(android.os.Parcel, int);
     field public static final android.os.Parcelable.Creator<android.location.GnssMeasurementsEvent> CREATOR;
-    field public static final int STATUS_GNSS_LOCATION_DISABLED = 2; // 0x2
-    field public static final int STATUS_NOT_SUPPORTED = 0; // 0x0
-    field public static final int STATUS_READY = 1; // 0x1
   }
 
   public static abstract class GnssMeasurementsEvent.Callback {
     ctor public GnssMeasurementsEvent.Callback();
     method public void onGnssMeasurementsReceived(android.location.GnssMeasurementsEvent);
     method public void onStatusChanged(int);
+    field public static final int STATUS_LOCATION_DISABLED = 2; // 0x2
+    field public static final int STATUS_NOT_SUPPORTED = 0; // 0x0
+    field public static final int STATUS_READY = 1; // 0x1
   }
 
   public final class GnssNavigationMessage implements android.os.Parcelable {
@@ -20436,36 +20472,24 @@
     field public static final int TYPE_UNKNOWN = 0; // 0x0
   }
 
-  public final class GnssNavigationMessageEvent implements android.os.Parcelable {
-    ctor public GnssNavigationMessageEvent(android.location.GnssNavigationMessage);
-    method public int describeContents();
-    method public android.location.GnssNavigationMessage getNavigationMessage();
-    method public void writeToParcel(android.os.Parcel, int);
-    field public static final android.os.Parcelable.Creator<android.location.GnssNavigationMessageEvent> CREATOR;
-    field public static final int STATUS_GNSS_LOCATION_DISABLED = 2; // 0x2
+  public static abstract class GnssNavigationMessage.Callback {
+    ctor public GnssNavigationMessage.Callback();
+    method public void onGnssNavigationMessageReceived(android.location.GnssNavigationMessage);
+    method public void onStatusChanged(int);
+    field public static final int STATUS_LOCATION_DISABLED = 2; // 0x2
     field public static final int STATUS_NOT_SUPPORTED = 0; // 0x0
     field public static final int STATUS_READY = 1; // 0x1
   }
 
-  public static abstract class GnssNavigationMessageEvent.Callback {
-    ctor public GnssNavigationMessageEvent.Callback();
-    method public void onGnssNavigationMessageReceived(android.location.GnssNavigationMessageEvent);
-    method public void onStatusChanged(int);
-  }
-
-  public abstract interface GnssNmeaListener {
-    method public abstract void onNmeaReceived(long, java.lang.String);
-  }
-
   public final class GnssStatus {
     method public float getAzimuthDegrees(int);
     method public float getCn0DbHz(int);
     method public int getConstellationType(int);
     method public float getElevationDegrees(int);
-    method public int getNumSatellites();
+    method public int getSatelliteCount();
     method public int getSvid(int);
-    method public boolean hasAlmanac(int);
-    method public boolean hasEphemeris(int);
+    method public boolean hasAlmanacData(int);
+    method public boolean hasEphemerisData(int);
     method public boolean usedInFix(int);
     field public static final int CONSTELLATION_BEIDOU = 5; // 0x5
     field public static final int CONSTELLATION_GALILEO = 6; // 0x6
@@ -20476,8 +20500,8 @@
     field public static final int CONSTELLATION_UNKNOWN = 0; // 0x0
   }
 
-  public abstract class GnssStatusCallback {
-    ctor public GnssStatusCallback();
+  public static abstract class GnssStatus.Callback {
+    ctor public GnssStatus.Callback();
     method public void onFirstFix(int);
     method public void onSatelliteStatusChanged(android.location.GnssStatus);
     method public void onStarted();
@@ -20709,7 +20733,7 @@
     method public abstract void onStatusChanged(int);
   }
 
-  public final class GpsSatellite {
+  public final deprecated class GpsSatellite {
     method public float getAzimuth();
     method public float getElevation();
     method public int getPrn();
@@ -20719,7 +20743,7 @@
     method public boolean usedInFix();
   }
 
-  public final class GpsStatus {
+  public final deprecated class GpsStatus {
     method public int getMaxSatellites();
     method public java.lang.Iterable<android.location.GpsSatellite> getSatellites();
     method public int getTimeToFirstFix();
@@ -20729,11 +20753,11 @@
     field public static final int GPS_EVENT_STOPPED = 2; // 0x2
   }
 
-  public static abstract interface GpsStatus.Listener {
+  public static abstract deprecated interface GpsStatus.Listener {
     method public abstract void onGpsStatusChanged(int);
   }
 
-  public static abstract interface GpsStatus.NmeaListener {
+  public static abstract deprecated interface GpsStatus.NmeaListener {
     method public abstract void onNmeaReceived(long, java.lang.String);
   }
 
@@ -20817,8 +20841,8 @@
     method public deprecated boolean addGpsNavigationMessageListener(android.location.GpsNavigationMessageEvent.Listener);
     method public deprecated boolean addGpsStatusListener(android.location.GpsStatus.Listener);
     method public deprecated boolean addNmeaListener(android.location.GpsStatus.NmeaListener);
-    method public boolean addNmeaListener(android.location.GnssNmeaListener);
-    method public boolean addNmeaListener(android.location.GnssNmeaListener, android.os.Handler);
+    method public boolean addNmeaListener(android.location.OnNmeaMessageListener);
+    method public boolean addNmeaListener(android.location.OnNmeaMessageListener, android.os.Handler);
     method public void addProximityAlert(double, double, float, long, android.app.PendingIntent);
     method public void addTestProvider(java.lang.String, boolean, boolean, boolean, boolean, boolean, boolean, boolean, int, int);
     method public void clearTestProviderEnabled(java.lang.String);
@@ -20834,15 +20858,15 @@
     method public boolean isProviderEnabled(java.lang.String);
     method public boolean registerGnssMeasurementsCallback(android.location.GnssMeasurementsEvent.Callback);
     method public boolean registerGnssMeasurementsCallback(android.location.GnssMeasurementsEvent.Callback, android.os.Handler);
-    method public boolean registerGnssNavigationMessageCallback(android.location.GnssNavigationMessageEvent.Callback);
-    method public boolean registerGnssNavigationMessageCallback(android.location.GnssNavigationMessageEvent.Callback, android.os.Handler);
-    method public boolean registerGnssStatusCallback(android.location.GnssStatusCallback);
-    method public boolean registerGnssStatusCallback(android.location.GnssStatusCallback, android.os.Handler);
+    method public boolean registerGnssNavigationMessageCallback(android.location.GnssNavigationMessage.Callback);
+    method public boolean registerGnssNavigationMessageCallback(android.location.GnssNavigationMessage.Callback, android.os.Handler);
+    method public boolean registerGnssStatusCallback(android.location.GnssStatus.Callback);
+    method public boolean registerGnssStatusCallback(android.location.GnssStatus.Callback, android.os.Handler);
     method public deprecated void removeGpsMeasurementListener(android.location.GpsMeasurementsEvent.Listener);
     method public deprecated void removeGpsNavigationMessageListener(android.location.GpsNavigationMessageEvent.Listener);
     method public deprecated void removeGpsStatusListener(android.location.GpsStatus.Listener);
     method public deprecated void removeNmeaListener(android.location.GpsStatus.NmeaListener);
-    method public void removeNmeaListener(android.location.GnssNmeaListener);
+    method public void removeNmeaListener(android.location.OnNmeaMessageListener);
     method public void removeProximityAlert(android.app.PendingIntent);
     method public void removeTestProvider(java.lang.String);
     method public void removeUpdates(android.location.LocationListener);
@@ -20863,8 +20887,8 @@
     method public void setTestProviderLocation(java.lang.String, android.location.Location);
     method public void setTestProviderStatus(java.lang.String, int, android.os.Bundle, long);
     method public void unregisterGnssMeasurementsCallback(android.location.GnssMeasurementsEvent.Callback);
-    method public void unregisterGnssNavigationMessageCallback(android.location.GnssNavigationMessageEvent.Callback);
-    method public void unregisterGnssStatusCallback(android.location.GnssStatusCallback);
+    method public void unregisterGnssNavigationMessageCallback(android.location.GnssNavigationMessage.Callback);
+    method public void unregisterGnssStatusCallback(android.location.GnssStatus.Callback);
     field public static final java.lang.String GPS_PROVIDER = "gps";
     field public static final java.lang.String KEY_LOCATION_CHANGED = "location";
     field public static final java.lang.String KEY_PROVIDER_ENABLED = "providerEnabled";
@@ -20927,6 +20951,10 @@
     field public static final int POWER_NONE = 200; // 0xc8
   }
 
+  public abstract interface OnNmeaMessageListener {
+    method public abstract void onNmeaMessage(java.lang.String, long);
+  }
+
   public abstract class SettingInjectorService extends android.app.Service {
     ctor public SettingInjectorService(java.lang.String);
     method public final android.os.IBinder onBind(android.content.Intent);
@@ -37151,6 +37179,7 @@
     method public android.os.IBinder onBind(android.content.Intent);
     method public void onInterruptionFilterChanged(int);
     method public void onListenerConnected();
+    method public void onListenerDisconnected();
     method public void onListenerHintsChanged(int);
     method public void onNotificationPosted(android.service.notification.StatusBarNotification);
     method public void onNotificationPosted(android.service.notification.StatusBarNotification, android.service.notification.NotificationListenerService.RankingMap);
@@ -49532,21 +49561,21 @@
     ctor public DatePicker(android.content.Context, android.util.AttributeSet);
     ctor public DatePicker(android.content.Context, android.util.AttributeSet, int);
     ctor public DatePicker(android.content.Context, android.util.AttributeSet, int, int);
-    method public android.widget.CalendarView getCalendarView();
-    method public boolean getCalendarViewShown();
+    method public deprecated android.widget.CalendarView getCalendarView();
+    method public deprecated boolean getCalendarViewShown();
     method public int getDayOfMonth();
     method public int getFirstDayOfWeek();
     method public long getMaxDate();
     method public long getMinDate();
     method public int getMonth();
-    method public boolean getSpinnersShown();
+    method public deprecated boolean getSpinnersShown();
     method public int getYear();
     method public void init(int, int, int, android.widget.DatePicker.OnDateChangedListener);
-    method public void setCalendarViewShown(boolean);
+    method public deprecated void setCalendarViewShown(boolean);
     method public void setFirstDayOfWeek(int);
     method public void setMaxDate(long);
     method public void setMinDate(long);
-    method public void setSpinnersShown(boolean);
+    method public deprecated void setSpinnersShown(boolean);
     method public void updateDate(int, int, int);
   }
 
@@ -53119,6 +53148,9 @@
     method public int compareTo(java.lang.Boolean);
     method public static boolean getBoolean(java.lang.String);
     method public static int hashCode(boolean);
+    method public static boolean logicalAnd(boolean, boolean);
+    method public static boolean logicalOr(boolean, boolean);
+    method public static boolean logicalXor(boolean, boolean);
     method public static boolean parseBoolean(java.lang.String);
     method public static java.lang.String toString(boolean);
     method public static java.lang.Boolean valueOf(boolean);
@@ -54082,6 +54114,8 @@
     method public static float abs(float);
     method public static double abs(double);
     method public static double acos(double);
+    method public static int addExact(int, int);
+    method public static long addExact(long, long);
     method public static double asin(double);
     method public static double atan(double);
     method public static double atan2(double, double);
@@ -54091,12 +54125,20 @@
     method public static float copySign(float, float);
     method public static double cos(double);
     method public static double cosh(double);
+    method public static int decrementExact(int);
+    method public static long decrementExact(long);
     method public static double exp(double);
     method public static double expm1(double);
     method public static double floor(double);
+    method public static int floorDiv(int, int);
+    method public static long floorDiv(long, long);
+    method public static int floorMod(int, int);
+    method public static long floorMod(long, long);
     method public static int getExponent(float);
     method public static int getExponent(double);
     method public static double hypot(double, double);
+    method public static int incrementExact(int);
+    method public static long incrementExact(long);
     method public static double log(double);
     method public static double log10(double);
     method public static double log1p(double);
@@ -54108,8 +54150,14 @@
     method public static long min(long, long);
     method public static float min(float, float);
     method public static double min(double, double);
+    method public static int multiplyExact(int, int);
+    method public static long multiplyExact(long, long);
+    method public static int negateExact(int);
+    method public static long negateExact(long);
     method public static double nextAfter(double, double);
     method public static float nextAfter(float, double);
+    method public static double nextDown(double);
+    method public static float nextDown(float);
     method public static double nextUp(double);
     method public static float nextUp(float);
     method public static double pow(double, double);
@@ -54124,9 +54172,12 @@
     method public static double sin(double);
     method public static double sinh(double);
     method public static double sqrt(double);
+    method public static int subtractExact(int, int);
+    method public static long subtractExact(long, long);
     method public static double tan(double);
     method public static double tanh(double);
     method public static double toDegrees(double);
+    method public static int toIntExact(long);
     method public static double toRadians(double);
     method public static double ulp(double);
     method public static float ulp(float);
@@ -54410,6 +54461,8 @@
     method public static float abs(float);
     method public static double abs(double);
     method public static double acos(double);
+    method public static int addExact(int, int);
+    method public static long addExact(long, long);
     method public static double asin(double);
     method public static double atan(double);
     method public static double atan2(double, double);
@@ -54422,6 +54475,10 @@
     method public static double exp(double);
     method public static double expm1(double);
     method public static double floor(double);
+    method public static int floorDiv(int, int);
+    method public static long floorDiv(long, long);
+    method public static int floorMod(int, int);
+    method public static long floorMod(long, long);
     method public static int getExponent(float);
     method public static int getExponent(double);
     method public static double hypot(double, double);
@@ -54436,8 +54493,12 @@
     method public static long min(long, long);
     method public static float min(float, float);
     method public static double min(double, double);
+    method public static int multiplyExact(int, int);
+    method public static long multiplyExact(long, long);
     method public static double nextAfter(double, double);
     method public static float nextAfter(float, double);
+    method public static double nextDown(double);
+    method public static float nextDown(float);
     method public static double nextUp(double);
     method public static float nextUp(float);
     method public static double pow(double, double);
@@ -54452,9 +54513,12 @@
     method public static double sin(double);
     method public static double sinh(double);
     method public static double sqrt(double);
+    method public static int subtractExact(int, int);
+    method public static long subtractExact(long, long);
     method public static double tan(double);
     method public static double tanh(double);
     method public static double toDegrees(double);
+    method public static int toIntExact(long);
     method public static double toRadians(double);
     method public static double ulp(double);
     method public static float ulp(float);
@@ -60502,6 +60566,14 @@
     method public static int hashCode(float[]);
     method public static int hashCode(double[]);
     method public static int hashCode(java.lang.Object[]);
+    method public static void parallelPrefix(T[], java.util.function.BinaryOperator<T>);
+    method public static void parallelPrefix(T[], int, int, java.util.function.BinaryOperator<T>);
+    method public static void parallelPrefix(long[], java.util.function.LongBinaryOperator);
+    method public static void parallelPrefix(long[], int, int, java.util.function.LongBinaryOperator);
+    method public static void parallelPrefix(double[], java.util.function.DoubleBinaryOperator);
+    method public static void parallelPrefix(double[], int, int, java.util.function.DoubleBinaryOperator);
+    method public static void parallelPrefix(int[], java.util.function.IntBinaryOperator);
+    method public static void parallelPrefix(int[], int, int, java.util.function.IntBinaryOperator);
     method public static void parallelSetAll(T[], java.util.function.IntFunction<? extends T>);
     method public static void parallelSetAll(int[], java.util.function.IntUnaryOperator);
     method public static void parallelSetAll(long[], java.util.function.IntToLongFunction);
diff --git a/api/system-removed.txt b/api/system-removed.txt
index 03cf8b0..95734c1 100644
--- a/api/system-removed.txt
+++ b/api/system-removed.txt
@@ -82,6 +82,67 @@
 
 }
 
+package android.location {
+
+  public final class GnssMeasurement implements android.os.Parcelable {
+    field public static final int MULTIPATH_INDICATOR_NOT_USED = 2; // 0x2
+  }
+
+  public final class GnssMeasurementsEvent implements android.os.Parcelable {
+    field public static final int STATUS_GNSS_LOCATION_DISABLED = 2; // 0x2
+    field public static final int STATUS_NOT_SUPPORTED = 0; // 0x0
+    field public static final int STATUS_READY = 1; // 0x1
+  }
+
+  public final class GnssNavigationMessageEvent implements android.os.Parcelable {
+    ctor public GnssNavigationMessageEvent(android.location.GnssNavigationMessage);
+    method public int describeContents();
+    method public android.location.GnssNavigationMessage getNavigationMessage();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.location.GnssNavigationMessageEvent> CREATOR;
+    field public static final int STATUS_GNSS_LOCATION_DISABLED = 2; // 0x2
+    field public static final int STATUS_NOT_SUPPORTED = 0; // 0x0
+    field public static final int STATUS_READY = 1; // 0x1
+  }
+
+  public static abstract class GnssNavigationMessageEvent.Callback {
+    ctor public GnssNavigationMessageEvent.Callback();
+    method public void onGnssNavigationMessageReceived(android.location.GnssNavigationMessageEvent);
+    method public void onStatusChanged(int);
+  }
+
+  public abstract interface GnssNmeaListener {
+    method public abstract void onNmeaReceived(long, java.lang.String);
+  }
+
+  public final class GnssStatus {
+    method public int getNumSatellites();
+    method public boolean hasAlmanac(int);
+    method public boolean hasEphemeris(int);
+  }
+
+  public abstract class GnssStatusCallback {
+    ctor public GnssStatusCallback();
+    method public void onFirstFix(int);
+    method public void onSatelliteStatusChanged(android.location.GnssStatus);
+    method public void onStarted();
+    method public void onStopped();
+  }
+
+  public class LocationManager {
+    method public boolean addNmeaListener(android.location.GnssNmeaListener);
+    method public boolean addNmeaListener(android.location.GnssNmeaListener, android.os.Handler);
+    method public boolean registerGnssNavigationMessageCallback(android.location.GnssNavigationMessageEvent.Callback);
+    method public boolean registerGnssNavigationMessageCallback(android.location.GnssNavigationMessageEvent.Callback, android.os.Handler);
+    method public boolean registerGnssStatusCallback(android.location.GnssStatusCallback);
+    method public boolean registerGnssStatusCallback(android.location.GnssStatusCallback, android.os.Handler);
+    method public void removeNmeaListener(android.location.GnssNmeaListener);
+    method public void unregisterGnssNavigationMessageCallback(android.location.GnssNavigationMessageEvent.Callback);
+    method public void unregisterGnssStatusCallback(android.location.GnssStatusCallback);
+  }
+
+}
+
 package android.media {
 
   public final class AudioFormat implements android.os.Parcelable {
diff --git a/api/test-current.txt b/api/test-current.txt
index 8a745bf..a190d95 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -4915,6 +4915,7 @@
     field public static final int DEFAULT_LIGHTS = 4; // 0x4
     field public static final int DEFAULT_SOUND = 1; // 0x1
     field public static final int DEFAULT_VIBRATE = 2; // 0x2
+    field public static final java.lang.String EXTRA_ALLOW_GENERATED_REPLIES = "android.allowGeneratedReplies";
     field public static final java.lang.String EXTRA_BACKGROUND_IMAGE_URI = "android.backgroundImageUri";
     field public static final java.lang.String EXTRA_BIG_TEXT = "android.bigText";
     field public static final java.lang.String EXTRA_CHRONOMETER_COUNTS_DOWN = "android.chronometerCountsDown";
@@ -4923,12 +4924,14 @@
     field public static final java.lang.String EXTRA_LARGE_ICON = "android.largeIcon";
     field public static final java.lang.String EXTRA_LARGE_ICON_BIG = "android.largeIcon.big";
     field public static final java.lang.String EXTRA_MEDIA_SESSION = "android.mediaSession";
+    field public static final java.lang.String EXTRA_MESSAGES = "android.messages";
     field public static final java.lang.String EXTRA_PEOPLE = "android.people";
     field public static final java.lang.String EXTRA_PICTURE = "android.picture";
     field public static final java.lang.String EXTRA_PROGRESS = "android.progress";
     field public static final java.lang.String EXTRA_PROGRESS_INDETERMINATE = "android.progressIndeterminate";
     field public static final java.lang.String EXTRA_PROGRESS_MAX = "android.progressMax";
     field public static final java.lang.String EXTRA_REMOTE_INPUT_HISTORY = "android.remoteInputHistory";
+    field public static final java.lang.String EXTRA_SELF_DISPLAY_NAME = "android.selfDisplayName";
     field public static final java.lang.String EXTRA_SHOW_CHRONOMETER = "android.showChronometer";
     field public static final java.lang.String EXTRA_SHOW_WHEN = "android.showWhen";
     field public static final java.lang.String EXTRA_SMALL_ICON = "android.icon";
@@ -4937,6 +4940,7 @@
     field public static final java.lang.String EXTRA_TEMPLATE = "android.template";
     field public static final java.lang.String EXTRA_TEXT = "android.text";
     field public static final java.lang.String EXTRA_TEXT_LINES = "android.textLines";
+    field public static final java.lang.String EXTRA_THREAD_TITLE = "android.threadTitle";
     field public static final java.lang.String EXTRA_TITLE = "android.title";
     field public static final java.lang.String EXTRA_TITLE_BIG = "android.title.big";
     field public static final int FLAG_AUTO_CANCEL = 16; // 0x10
@@ -4979,7 +4983,7 @@
     field public int ledARGB;
     field public int ledOffMS;
     field public int ledOnMS;
-    field public int number;
+    field public deprecated int number;
     field public int priority;
     field public android.app.Notification publicVersion;
     field public android.net.Uri sound;
@@ -5026,11 +5030,13 @@
     method public android.app.Notification.Action.Builder extend(android.app.Notification.Action.Builder);
     method public java.lang.CharSequence getCancelLabel();
     method public java.lang.CharSequence getConfirmLabel();
+    method public boolean getHintContentIntentLaunchesActivity();
     method public java.lang.CharSequence getInProgressLabel();
     method public boolean isAvailableOffline();
     method public android.app.Notification.Action.WearableExtender setAvailableOffline(boolean);
     method public android.app.Notification.Action.WearableExtender setCancelLabel(java.lang.CharSequence);
     method public android.app.Notification.Action.WearableExtender setConfirmLabel(java.lang.CharSequence);
+    method public android.app.Notification.Action.WearableExtender setHintContentIntentLaunchesActivity(boolean);
     method public android.app.Notification.Action.WearableExtender setInProgressLabel(java.lang.CharSequence);
   }
 
@@ -5072,7 +5078,7 @@
     method public android.app.Notification.Builder setChronometerCountsDown(boolean);
     method public android.app.Notification.Builder setColor(int);
     method public deprecated android.app.Notification.Builder setContent(android.widget.RemoteViews);
-    method public android.app.Notification.Builder setContentInfo(java.lang.CharSequence);
+    method public deprecated android.app.Notification.Builder setContentInfo(java.lang.CharSequence);
     method public android.app.Notification.Builder setContentIntent(android.app.PendingIntent);
     method public android.app.Notification.Builder setContentText(java.lang.CharSequence);
     method public android.app.Notification.Builder setContentTitle(java.lang.CharSequence);
@@ -5089,7 +5095,7 @@
     method public android.app.Notification.Builder setLargeIcon(android.graphics.drawable.Icon);
     method public android.app.Notification.Builder setLights(int, int, int);
     method public android.app.Notification.Builder setLocalOnly(boolean);
-    method public android.app.Notification.Builder setNumber(int);
+    method public deprecated android.app.Notification.Builder setNumber(int);
     method public android.app.Notification.Builder setOngoing(boolean);
     method public android.app.Notification.Builder setOnlyAlertOnce(boolean);
     method public android.app.Notification.Builder setPriority(int);
@@ -5174,6 +5180,32 @@
     method public android.app.Notification.MediaStyle setShowActionsInCompactView(int...);
   }
 
+  public static class Notification.MessagingStyle extends android.app.Notification.Style {
+    ctor public Notification.MessagingStyle(java.lang.CharSequence);
+    method public android.app.Notification.MessagingStyle addMessage(java.lang.CharSequence, long, java.lang.CharSequence);
+    method public android.app.Notification.MessagingStyle addMessage(android.app.Notification.MessagingStyle.Message);
+    method public boolean getAllowGeneratedReplies();
+    method public java.lang.CharSequence getConversationTitle();
+    method public java.util.List<android.app.Notification.MessagingStyle.Message> getMessages();
+    method public java.lang.CharSequence getUserDisplayName();
+    method public android.app.Notification.MessagingStyle setAllowGeneratedReplies(boolean);
+    method public android.app.Notification.MessagingStyle setConversationTitle(java.lang.CharSequence);
+    field public static final int MAXIMUM_RETAINED_MESSAGES = 25; // 0x19
+  }
+
+  public static final class Notification.MessagingStyle.Message implements android.os.Parcelable {
+    ctor public Notification.MessagingStyle.Message(java.lang.CharSequence, long, java.lang.CharSequence);
+    method public int describeContents();
+    method public java.lang.String getDataMimeType();
+    method public android.net.Uri getDataUri();
+    method public java.lang.CharSequence getSender();
+    method public java.lang.CharSequence getText();
+    method public long getTimestamp();
+    method public android.app.Notification.MessagingStyle.Message setData(java.lang.String, android.net.Uri);
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.app.Notification.MessagingStyle.Message> CREATOR;
+  }
+
   public static abstract class Notification.Style {
     ctor public Notification.Style();
     method public android.app.Notification build();
@@ -5207,6 +5239,7 @@
     method public android.app.PendingIntent getDisplayIntent();
     method public int getGravity();
     method public boolean getHintAvoidBackgroundClipping();
+    method public boolean getHintContentIntentLaunchesActivity();
     method public boolean getHintHideIcon();
     method public int getHintScreenTimeout();
     method public boolean getHintShowBackgroundOnly();
@@ -5222,6 +5255,7 @@
     method public android.app.Notification.WearableExtender setDisplayIntent(android.app.PendingIntent);
     method public android.app.Notification.WearableExtender setGravity(int);
     method public android.app.Notification.WearableExtender setHintAvoidBackgroundClipping(boolean);
+    method public android.app.Notification.WearableExtender setHintContentIntentLaunchesActivity(boolean);
     method public android.app.Notification.WearableExtender setHintHideIcon(boolean);
     method public android.app.Notification.WearableExtender setHintScreenTimeout(int);
     method public android.app.Notification.WearableExtender setHintShowBackgroundOnly(boolean);
@@ -7890,6 +7924,7 @@
     method public static boolean isSyncPending(android.accounts.Account, java.lang.String);
     method public void notifyChange(android.net.Uri, android.database.ContentObserver);
     method public void notifyChange(android.net.Uri, android.database.ContentObserver, boolean);
+    method public void notifyChange(android.net.Uri, android.database.ContentObserver, int);
     method public final android.content.res.AssetFileDescriptor openAssetFileDescriptor(android.net.Uri, java.lang.String) throws java.io.FileNotFoundException;
     method public final android.content.res.AssetFileDescriptor openAssetFileDescriptor(android.net.Uri, java.lang.String, android.os.CancellationSignal) throws java.io.FileNotFoundException;
     method public final android.os.ParcelFileDescriptor openFileDescriptor(android.net.Uri, java.lang.String) throws java.io.FileNotFoundException;
@@ -7920,6 +7955,8 @@
     field public static final java.lang.String CURSOR_DIR_BASE_TYPE = "vnd.android.cursor.dir";
     field public static final java.lang.String CURSOR_ITEM_BASE_TYPE = "vnd.android.cursor.item";
     field public static final java.lang.String EXTRA_SIZE = "android.content.extra.SIZE";
+    field public static final int NOTIFY_SKIP_NOTIFY_FOR_DESCENDANTS = 2; // 0x2
+    field public static final int NOTIFY_SYNC_TO_NETWORK = 1; // 0x1
     field public static final java.lang.String SCHEME_ANDROID_RESOURCE = "android.resource";
     field public static final java.lang.String SCHEME_CONTENT = "content";
     field public static final java.lang.String SCHEME_FILE = "file";
@@ -19269,7 +19306,7 @@
     field public static final int ADR_STATE_VALID = 1; // 0x1
     field public static final android.os.Parcelable.Creator<android.location.GnssMeasurement> CREATOR;
     field public static final int MULTIPATH_INDICATOR_DETECTED = 1; // 0x1
-    field public static final int MULTIPATH_INDICATOR_NOT_USED = 2; // 0x2
+    field public static final int MULTIPATH_INDICATOR_NOT_DETECTED = 2; // 0x2
     field public static final int MULTIPATH_INDICATOR_UNKNOWN = 0; // 0x0
     field public static final int STATE_BDS_D2_BIT_SYNC = 256; // 0x100
     field public static final int STATE_BDS_D2_SUBFRAME_SYNC = 512; // 0x200
@@ -19295,15 +19332,15 @@
     method public java.util.Collection<android.location.GnssMeasurement> getMeasurements();
     method public void writeToParcel(android.os.Parcel, int);
     field public static final android.os.Parcelable.Creator<android.location.GnssMeasurementsEvent> CREATOR;
-    field public static final int STATUS_GNSS_LOCATION_DISABLED = 2; // 0x2
-    field public static final int STATUS_NOT_SUPPORTED = 0; // 0x0
-    field public static final int STATUS_READY = 1; // 0x1
   }
 
   public static abstract class GnssMeasurementsEvent.Callback {
     ctor public GnssMeasurementsEvent.Callback();
     method public void onGnssMeasurementsReceived(android.location.GnssMeasurementsEvent);
     method public void onStatusChanged(int);
+    field public static final int STATUS_LOCATION_DISABLED = 2; // 0x2
+    field public static final int STATUS_NOT_SUPPORTED = 0; // 0x0
+    field public static final int STATUS_READY = 1; // 0x1
   }
 
   public final class GnssNavigationMessage implements android.os.Parcelable {
@@ -19340,36 +19377,24 @@
     field public static final int TYPE_UNKNOWN = 0; // 0x0
   }
 
-  public final class GnssNavigationMessageEvent implements android.os.Parcelable {
-    ctor public GnssNavigationMessageEvent(android.location.GnssNavigationMessage);
-    method public int describeContents();
-    method public android.location.GnssNavigationMessage getNavigationMessage();
-    method public void writeToParcel(android.os.Parcel, int);
-    field public static final android.os.Parcelable.Creator<android.location.GnssNavigationMessageEvent> CREATOR;
-    field public static final int STATUS_GNSS_LOCATION_DISABLED = 2; // 0x2
+  public static abstract class GnssNavigationMessage.Callback {
+    ctor public GnssNavigationMessage.Callback();
+    method public void onGnssNavigationMessageReceived(android.location.GnssNavigationMessage);
+    method public void onStatusChanged(int);
+    field public static final int STATUS_LOCATION_DISABLED = 2; // 0x2
     field public static final int STATUS_NOT_SUPPORTED = 0; // 0x0
     field public static final int STATUS_READY = 1; // 0x1
   }
 
-  public static abstract class GnssNavigationMessageEvent.Callback {
-    ctor public GnssNavigationMessageEvent.Callback();
-    method public void onGnssNavigationMessageReceived(android.location.GnssNavigationMessageEvent);
-    method public void onStatusChanged(int);
-  }
-
-  public abstract interface GnssNmeaListener {
-    method public abstract void onNmeaReceived(long, java.lang.String);
-  }
-
   public final class GnssStatus {
     method public float getAzimuthDegrees(int);
     method public float getCn0DbHz(int);
     method public int getConstellationType(int);
     method public float getElevationDegrees(int);
-    method public int getNumSatellites();
+    method public int getSatelliteCount();
     method public int getSvid(int);
-    method public boolean hasAlmanac(int);
-    method public boolean hasEphemeris(int);
+    method public boolean hasAlmanacData(int);
+    method public boolean hasEphemerisData(int);
     method public boolean usedInFix(int);
     field public static final int CONSTELLATION_BEIDOU = 5; // 0x5
     field public static final int CONSTELLATION_GALILEO = 6; // 0x6
@@ -19380,15 +19405,15 @@
     field public static final int CONSTELLATION_UNKNOWN = 0; // 0x0
   }
 
-  public abstract class GnssStatusCallback {
-    ctor public GnssStatusCallback();
+  public static abstract class GnssStatus.Callback {
+    ctor public GnssStatus.Callback();
     method public void onFirstFix(int);
     method public void onSatelliteStatusChanged(android.location.GnssStatus);
     method public void onStarted();
     method public void onStopped();
   }
 
-  public final class GpsSatellite {
+  public final deprecated class GpsSatellite {
     method public float getAzimuth();
     method public float getElevation();
     method public int getPrn();
@@ -19398,7 +19423,7 @@
     method public boolean usedInFix();
   }
 
-  public final class GpsStatus {
+  public final deprecated class GpsStatus {
     method public int getMaxSatellites();
     method public java.lang.Iterable<android.location.GpsSatellite> getSatellites();
     method public int getTimeToFirstFix();
@@ -19408,11 +19433,11 @@
     field public static final int GPS_EVENT_STOPPED = 2; // 0x2
   }
 
-  public static abstract interface GpsStatus.Listener {
+  public static abstract deprecated interface GpsStatus.Listener {
     method public abstract void onGpsStatusChanged(int);
   }
 
-  public static abstract interface GpsStatus.NmeaListener {
+  public static abstract deprecated interface GpsStatus.NmeaListener {
     method public abstract void onNmeaReceived(long, java.lang.String);
   }
 
@@ -19474,8 +19499,8 @@
   public class LocationManager {
     method public deprecated boolean addGpsStatusListener(android.location.GpsStatus.Listener);
     method public deprecated boolean addNmeaListener(android.location.GpsStatus.NmeaListener);
-    method public boolean addNmeaListener(android.location.GnssNmeaListener);
-    method public boolean addNmeaListener(android.location.GnssNmeaListener, android.os.Handler);
+    method public boolean addNmeaListener(android.location.OnNmeaMessageListener);
+    method public boolean addNmeaListener(android.location.OnNmeaMessageListener, android.os.Handler);
     method public void addProximityAlert(double, double, float, long, android.app.PendingIntent);
     method public void addTestProvider(java.lang.String, boolean, boolean, boolean, boolean, boolean, boolean, boolean, int, int);
     method public void clearTestProviderEnabled(java.lang.String);
@@ -19492,13 +19517,13 @@
     method public boolean isProviderEnabled(java.lang.String);
     method public boolean registerGnssMeasurementsCallback(android.location.GnssMeasurementsEvent.Callback);
     method public boolean registerGnssMeasurementsCallback(android.location.GnssMeasurementsEvent.Callback, android.os.Handler);
-    method public boolean registerGnssNavigationMessageCallback(android.location.GnssNavigationMessageEvent.Callback);
-    method public boolean registerGnssNavigationMessageCallback(android.location.GnssNavigationMessageEvent.Callback, android.os.Handler);
-    method public boolean registerGnssStatusCallback(android.location.GnssStatusCallback);
-    method public boolean registerGnssStatusCallback(android.location.GnssStatusCallback, android.os.Handler);
+    method public boolean registerGnssNavigationMessageCallback(android.location.GnssNavigationMessage.Callback);
+    method public boolean registerGnssNavigationMessageCallback(android.location.GnssNavigationMessage.Callback, android.os.Handler);
+    method public boolean registerGnssStatusCallback(android.location.GnssStatus.Callback);
+    method public boolean registerGnssStatusCallback(android.location.GnssStatus.Callback, android.os.Handler);
     method public deprecated void removeGpsStatusListener(android.location.GpsStatus.Listener);
     method public deprecated void removeNmeaListener(android.location.GpsStatus.NmeaListener);
-    method public void removeNmeaListener(android.location.GnssNmeaListener);
+    method public void removeNmeaListener(android.location.OnNmeaMessageListener);
     method public void removeProximityAlert(android.app.PendingIntent);
     method public void removeTestProvider(java.lang.String);
     method public void removeUpdates(android.location.LocationListener);
@@ -19517,8 +19542,8 @@
     method public void setTestProviderLocation(java.lang.String, android.location.Location);
     method public void setTestProviderStatus(java.lang.String, int, android.os.Bundle, long);
     method public void unregisterGnssMeasurementsCallback(android.location.GnssMeasurementsEvent.Callback);
-    method public void unregisterGnssNavigationMessageCallback(android.location.GnssNavigationMessageEvent.Callback);
-    method public void unregisterGnssStatusCallback(android.location.GnssStatusCallback);
+    method public void unregisterGnssNavigationMessageCallback(android.location.GnssNavigationMessage.Callback);
+    method public void unregisterGnssStatusCallback(android.location.GnssStatus.Callback);
     field public static final java.lang.String GPS_PROVIDER = "gps";
     field public static final java.lang.String KEY_LOCATION_CHANGED = "location";
     field public static final java.lang.String KEY_PROVIDER_ENABLED = "providerEnabled";
@@ -19547,6 +19572,10 @@
     field public static final int TEMPORARILY_UNAVAILABLE = 1; // 0x1
   }
 
+  public abstract interface OnNmeaMessageListener {
+    method public abstract void onNmeaMessage(java.lang.String, long);
+  }
+
   public abstract class SettingInjectorService extends android.app.Service {
     ctor public SettingInjectorService(java.lang.String);
     method public final android.os.IBinder onBind(android.content.Intent);
@@ -34757,6 +34786,7 @@
     method public android.os.IBinder onBind(android.content.Intent);
     method public void onInterruptionFilterChanged(int);
     method public void onListenerConnected();
+    method public void onListenerDisconnected();
     method public void onListenerHintsChanged(int);
     method public void onNotificationPosted(android.service.notification.StatusBarNotification);
     method public void onNotificationPosted(android.service.notification.StatusBarNotification, android.service.notification.NotificationListenerService.RankingMap);
@@ -46509,21 +46539,21 @@
     ctor public DatePicker(android.content.Context, android.util.AttributeSet);
     ctor public DatePicker(android.content.Context, android.util.AttributeSet, int);
     ctor public DatePicker(android.content.Context, android.util.AttributeSet, int, int);
-    method public android.widget.CalendarView getCalendarView();
-    method public boolean getCalendarViewShown();
+    method public deprecated android.widget.CalendarView getCalendarView();
+    method public deprecated boolean getCalendarViewShown();
     method public int getDayOfMonth();
     method public int getFirstDayOfWeek();
     method public long getMaxDate();
     method public long getMinDate();
     method public int getMonth();
-    method public boolean getSpinnersShown();
+    method public deprecated boolean getSpinnersShown();
     method public int getYear();
     method public void init(int, int, int, android.widget.DatePicker.OnDateChangedListener);
-    method public void setCalendarViewShown(boolean);
+    method public deprecated void setCalendarViewShown(boolean);
     method public void setFirstDayOfWeek(int);
     method public void setMaxDate(long);
     method public void setMinDate(long);
-    method public void setSpinnersShown(boolean);
+    method public deprecated void setSpinnersShown(boolean);
     method public void updateDate(int, int, int);
   }
 
@@ -50097,6 +50127,9 @@
     method public int compareTo(java.lang.Boolean);
     method public static boolean getBoolean(java.lang.String);
     method public static int hashCode(boolean);
+    method public static boolean logicalAnd(boolean, boolean);
+    method public static boolean logicalOr(boolean, boolean);
+    method public static boolean logicalXor(boolean, boolean);
     method public static boolean parseBoolean(java.lang.String);
     method public static java.lang.String toString(boolean);
     method public static java.lang.Boolean valueOf(boolean);
@@ -51060,6 +51093,8 @@
     method public static float abs(float);
     method public static double abs(double);
     method public static double acos(double);
+    method public static int addExact(int, int);
+    method public static long addExact(long, long);
     method public static double asin(double);
     method public static double atan(double);
     method public static double atan2(double, double);
@@ -51069,12 +51104,20 @@
     method public static float copySign(float, float);
     method public static double cos(double);
     method public static double cosh(double);
+    method public static int decrementExact(int);
+    method public static long decrementExact(long);
     method public static double exp(double);
     method public static double expm1(double);
     method public static double floor(double);
+    method public static int floorDiv(int, int);
+    method public static long floorDiv(long, long);
+    method public static int floorMod(int, int);
+    method public static long floorMod(long, long);
     method public static int getExponent(float);
     method public static int getExponent(double);
     method public static double hypot(double, double);
+    method public static int incrementExact(int);
+    method public static long incrementExact(long);
     method public static double log(double);
     method public static double log10(double);
     method public static double log1p(double);
@@ -51086,8 +51129,14 @@
     method public static long min(long, long);
     method public static float min(float, float);
     method public static double min(double, double);
+    method public static int multiplyExact(int, int);
+    method public static long multiplyExact(long, long);
+    method public static int negateExact(int);
+    method public static long negateExact(long);
     method public static double nextAfter(double, double);
     method public static float nextAfter(float, double);
+    method public static double nextDown(double);
+    method public static float nextDown(float);
     method public static double nextUp(double);
     method public static float nextUp(float);
     method public static double pow(double, double);
@@ -51102,9 +51151,12 @@
     method public static double sin(double);
     method public static double sinh(double);
     method public static double sqrt(double);
+    method public static int subtractExact(int, int);
+    method public static long subtractExact(long, long);
     method public static double tan(double);
     method public static double tanh(double);
     method public static double toDegrees(double);
+    method public static int toIntExact(long);
     method public static double toRadians(double);
     method public static double ulp(double);
     method public static float ulp(float);
@@ -51388,6 +51440,8 @@
     method public static float abs(float);
     method public static double abs(double);
     method public static double acos(double);
+    method public static int addExact(int, int);
+    method public static long addExact(long, long);
     method public static double asin(double);
     method public static double atan(double);
     method public static double atan2(double, double);
@@ -51400,6 +51454,10 @@
     method public static double exp(double);
     method public static double expm1(double);
     method public static double floor(double);
+    method public static int floorDiv(int, int);
+    method public static long floorDiv(long, long);
+    method public static int floorMod(int, int);
+    method public static long floorMod(long, long);
     method public static int getExponent(float);
     method public static int getExponent(double);
     method public static double hypot(double, double);
@@ -51414,8 +51472,12 @@
     method public static long min(long, long);
     method public static float min(float, float);
     method public static double min(double, double);
+    method public static int multiplyExact(int, int);
+    method public static long multiplyExact(long, long);
     method public static double nextAfter(double, double);
     method public static float nextAfter(float, double);
+    method public static double nextDown(double);
+    method public static float nextDown(float);
     method public static double nextUp(double);
     method public static float nextUp(float);
     method public static double pow(double, double);
@@ -51430,9 +51492,12 @@
     method public static double sin(double);
     method public static double sinh(double);
     method public static double sqrt(double);
+    method public static int subtractExact(int, int);
+    method public static long subtractExact(long, long);
     method public static double tan(double);
     method public static double tanh(double);
     method public static double toDegrees(double);
+    method public static int toIntExact(long);
     method public static double toRadians(double);
     method public static double ulp(double);
     method public static float ulp(float);
@@ -57480,6 +57545,14 @@
     method public static int hashCode(float[]);
     method public static int hashCode(double[]);
     method public static int hashCode(java.lang.Object[]);
+    method public static void parallelPrefix(T[], java.util.function.BinaryOperator<T>);
+    method public static void parallelPrefix(T[], int, int, java.util.function.BinaryOperator<T>);
+    method public static void parallelPrefix(long[], java.util.function.LongBinaryOperator);
+    method public static void parallelPrefix(long[], int, int, java.util.function.LongBinaryOperator);
+    method public static void parallelPrefix(double[], java.util.function.DoubleBinaryOperator);
+    method public static void parallelPrefix(double[], int, int, java.util.function.DoubleBinaryOperator);
+    method public static void parallelPrefix(int[], java.util.function.IntBinaryOperator);
+    method public static void parallelPrefix(int[], int, int, java.util.function.IntBinaryOperator);
     method public static void parallelSetAll(T[], java.util.function.IntFunction<? extends T>);
     method public static void parallelSetAll(int[], java.util.function.IntUnaryOperator);
     method public static void parallelSetAll(long[], java.util.function.IntToLongFunction);
diff --git a/api/test-removed.txt b/api/test-removed.txt
index 3f16bca..8c6abdc 100644
--- a/api/test-removed.txt
+++ b/api/test-removed.txt
@@ -84,6 +84,67 @@
 
 }
 
+package android.location {
+
+  public final class GnssMeasurement implements android.os.Parcelable {
+    field public static final int MULTIPATH_INDICATOR_NOT_USED = 2; // 0x2
+  }
+
+  public final class GnssMeasurementsEvent implements android.os.Parcelable {
+    field public static final int STATUS_GNSS_LOCATION_DISABLED = 2; // 0x2
+    field public static final int STATUS_NOT_SUPPORTED = 0; // 0x0
+    field public static final int STATUS_READY = 1; // 0x1
+  }
+
+  public final class GnssNavigationMessageEvent implements android.os.Parcelable {
+    ctor public GnssNavigationMessageEvent(android.location.GnssNavigationMessage);
+    method public int describeContents();
+    method public android.location.GnssNavigationMessage getNavigationMessage();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.location.GnssNavigationMessageEvent> CREATOR;
+    field public static final int STATUS_GNSS_LOCATION_DISABLED = 2; // 0x2
+    field public static final int STATUS_NOT_SUPPORTED = 0; // 0x0
+    field public static final int STATUS_READY = 1; // 0x1
+  }
+
+  public static abstract class GnssNavigationMessageEvent.Callback {
+    ctor public GnssNavigationMessageEvent.Callback();
+    method public void onGnssNavigationMessageReceived(android.location.GnssNavigationMessageEvent);
+    method public void onStatusChanged(int);
+  }
+
+  public abstract interface GnssNmeaListener {
+    method public abstract void onNmeaReceived(long, java.lang.String);
+  }
+
+  public final class GnssStatus {
+    method public int getNumSatellites();
+    method public boolean hasAlmanac(int);
+    method public boolean hasEphemeris(int);
+  }
+
+  public abstract class GnssStatusCallback {
+    ctor public GnssStatusCallback();
+    method public void onFirstFix(int);
+    method public void onSatelliteStatusChanged(android.location.GnssStatus);
+    method public void onStarted();
+    method public void onStopped();
+  }
+
+  public class LocationManager {
+    method public boolean addNmeaListener(android.location.GnssNmeaListener);
+    method public boolean addNmeaListener(android.location.GnssNmeaListener, android.os.Handler);
+    method public boolean registerGnssNavigationMessageCallback(android.location.GnssNavigationMessageEvent.Callback);
+    method public boolean registerGnssNavigationMessageCallback(android.location.GnssNavigationMessageEvent.Callback, android.os.Handler);
+    method public boolean registerGnssStatusCallback(android.location.GnssStatusCallback);
+    method public boolean registerGnssStatusCallback(android.location.GnssStatusCallback, android.os.Handler);
+    method public void removeNmeaListener(android.location.GnssNmeaListener);
+    method public void unregisterGnssNavigationMessageCallback(android.location.GnssNavigationMessageEvent.Callback);
+    method public void unregisterGnssStatusCallback(android.location.GnssStatusCallback);
+  }
+
+}
+
 package android.media {
 
   public final class AudioFormat implements android.os.Parcelable {
diff --git a/core/java/android/app/Instrumentation.java b/core/java/android/app/Instrumentation.java
index 13e8e75..4fca69a 100644
--- a/core/java/android/app/Instrumentation.java
+++ b/core/java/android/app/Instrumentation.java
@@ -206,7 +206,7 @@
             }
             results.putAll(mPerfMetrics);
         }
-        if (mUiAutomation != null) {
+        if ((mUiAutomation != null) && !mUiAutomation.isDestroyed()) {
             mUiAutomation.disconnect();
             mUiAutomation = null;
         }
@@ -1834,7 +1834,7 @@
     }
 
     /**
-     * Gets the {@link UiAutomation} instance.
+     * Gets the {@link UiAutomation} instance with no flags set.
      * <p>
      * <strong>Note:</strong> The APIs exposed via the returned {@link UiAutomation}
      * work across application boundaries while the APIs exposed by the instrumentation
@@ -1848,25 +1848,21 @@
      * {@link Instrumentation} APIs. Using both APIs at the same time is not
      * a mistake by itself but a client has to be aware of the APIs limitations.
      * </p>
-     * @return The UI automation instance. If none exists, a new one is created with no flags set.
+     * <p>
+     * Equivalent to {@code getUiAutomation(0)}. If a {@link UiAutomation} exists with different
+     * flags, the flags on that instance will be changed, and then it will be returned.
+     * </p>
+     * @return The UI automation instance.
      *
      * @see UiAutomation
      */
     public UiAutomation getUiAutomation() {
-        if ((mUiAutomation == null) || (mUiAutomation.isDestroyed())) {
-            return getUiAutomation(0);
-        }
-        return mUiAutomation;
+        return getUiAutomation(0);
     }
 
     /**
      * Gets the {@link UiAutomation} instance with flags set.
      * <p>
-     * <strong>Note:</strong> Only one UiAutomation can be obtained. Calling this method
-     * twice with different flags will fail unless the UiAutomation obtained in the first call
-     * is released with {@link UiAutomation#destroy()}.
-     * </p>
-     * <p>
      * <strong>Note:</strong> The APIs exposed via the returned {@link UiAutomation}
      * work across application boundaries while the APIs exposed by the instrumentation
      * do not. For example, {@link Instrumentation#sendPointerSync(MotionEvent)} will
@@ -1879,6 +1875,10 @@
      * {@link Instrumentation} APIs. Using both APIs at the same time is not
      * a mistake by itself but a client has to be aware of the APIs limitations.
      * </p>
+     * <p>
+     * If a {@link UiAutomation} exists with different flags, the flags on that instance will be
+     * changed, and then it will be returned.
+     * </p>
      *
      * @param flags The flags to be passed to the UiAutomation, for example
      *        {@link UiAutomation#FLAG_DONT_SUPPRESS_ACCESSIBILITY_SERVICES}.
@@ -1888,17 +1888,19 @@
      * @see UiAutomation
      */
     public UiAutomation getUiAutomation(@UiAutomationFlags int flags) {
+        boolean mustCreateNewAutomation = (mUiAutomation == null) || (mUiAutomation.isDestroyed());
+
         if (mUiAutomationConnection != null) {
-            if ((mUiAutomation == null) || (mUiAutomation.isDestroyed())) {
+            if (!mustCreateNewAutomation && (mUiAutomation.getFlags() == flags)) {
+                return mUiAutomation;
+            }
+            if (mustCreateNewAutomation) {
                 mUiAutomation = new UiAutomation(getTargetContext().getMainLooper(),
                         mUiAutomationConnection);
-                mUiAutomation.connect(flags);
             } else {
-                if (mUiAutomation.getFlags() != flags) {
-                    throw new RuntimeException(
-                            "Cannot get a UiAutomation with different flags from the existing one");
-                }
+                mUiAutomation.disconnect();
             }
+            mUiAutomation.connect(flags);
             return mUiAutomation;
         }
         return null;
diff --git a/core/java/android/app/Notification.java b/core/java/android/app/Notification.java
index 8423de8..faefc9d 100644
--- a/core/java/android/app/Notification.java
+++ b/core/java/android/app/Notification.java
@@ -174,6 +174,9 @@
      *   <li>Notification of an ongoing countdown timer should be stamped with the timer's end time.
      * </ul>
      *
+     * For apps targeting {@link android.os.Build.VERSION_CODES#N} and above, this time is not shown
+     * anymore by default and must be opted into by using
+     * {@link android.app.Notification.Builder#setShowWhen(boolean)}
      */
     public long when;
 
@@ -206,6 +209,8 @@
      * {@link Notification.Builder} has displayed the number in the expanded notification view.
      *
      * If the number is 0 or negative, it is never shown.
+     *
+     * @deprecated this number is not shown anymore
      */
     public int number;
 
@@ -899,6 +904,34 @@
     public static final String EXTRA_COMPACT_ACTIONS = "android.compactActions";
 
     /**
+     * {@link #extras} key: the username to be displayed for all messages sent by the user including
+     * direct replies
+     * {@link android.app.Notification.MessagingStyle} notification.
+     */
+    public static final String EXTRA_SELF_DISPLAY_NAME = "android.selfDisplayName";
+
+    /**
+     * {@link #extras} key: a boolean describing whether the platform should automatically
+     * generate possible replies to
+     * {@link android.app.Notification.MessagingStyle.Message} objects provided by a
+     * {@link android.app.Notification.MessagingStyle} notification.
+     */
+    public static final String EXTRA_ALLOW_GENERATED_REPLIES = "android.allowGeneratedReplies";
+
+    /**
+     * {@link #extras} key: a {@link String} to be displayed as the title to a thread represented by
+     * a {@link android.app.Notification.MessagingStyle}
+     */
+    public static final String EXTRA_THREAD_TITLE = "android.threadTitle";
+
+    /**
+     * {@link #extras} key: an array of {@link android.app.Notification.MessagingStyle.Message}
+     * bundles provided by a
+     * {@link android.app.Notification.MessagingStyle} notification.
+     */
+    public static final String EXTRA_MESSAGES = "android.messages";
+
+    /**
      * {@link #extras} key: the user that built the notification.
      *
      * @hide
@@ -1205,6 +1238,7 @@
 
             // Flags bitwise-ored to mFlags
             private static final int FLAG_AVAILABLE_OFFLINE = 0x1;
+            private static final int FLAG_HINT_LAUNCHES_ACTIVITY = 1 << 1;
 
             // Default value for flags integer
             private static final int DEFAULT_FLAGS = FLAG_AVAILABLE_OFFLINE;
@@ -1367,6 +1401,30 @@
             public CharSequence getCancelLabel() {
                 return mCancelLabel;
             }
+
+            /**
+             * Set a hint that this Action will launch an {@link Activity} directly, telling the
+             * platform that it can generate the appropriate transitions.
+             * @param hintLaunchesActivity {@code true} if the content intent will launch
+             * an activity and transitions should be generated, false otherwise.
+             * @return this object for method chaining
+             */
+            public WearableExtender setHintContentIntentLaunchesActivity(
+                    boolean hintLaunchesActivity) {
+                setFlag(FLAG_HINT_LAUNCHES_ACTIVITY, hintLaunchesActivity);
+                return this;
+            }
+
+            /**
+             * Get a hint that this Action will launch an {@link Activity} directly, telling the
+             * platform that it can generate the appropriate transitions
+             * @return {@code true} if the content intent will launch an activity and transitions
+             * should be generated, false otherwise. The default value is {@code false} if this was
+             * never set.
+             */
+            public boolean getHintContentIntentLaunchesActivity() {
+                return (mFlags & FLAG_HINT_LAUNCHES_ACTIVITY) != 0;
+            }
         }
     }
 
@@ -2133,7 +2191,9 @@
 
             if (toAdopt == null) {
                 mN = new Notification();
-                mN.extras.putBoolean(EXTRA_SHOW_WHEN, true);
+                if (context.getApplicationInfo().targetSdkVersion < Build.VERSION_CODES.N) {
+                    mN.extras.putBoolean(EXTRA_SHOW_WHEN, true);
+                }
                 mN.priority = PRIORITY_DEFAULT;
                 mN.visibility = VISIBILITY_PRIVATE;
             } else {
@@ -2183,8 +2243,10 @@
 
         /**
          * Add a timestamp pertaining to the notification (usually the time the event occurred).
-         * It will be shown in the notification content view by default; use
-         * {@link #setShowWhen(boolean) setShowWhen} to control this.
+         *
+         * For apps targeting {@link android.os.Build.VERSION_CODES#N} and above, this time is not
+         * shown anymore by default and must be opted into by using
+         * {@link android.app.Notification.Builder#setShowWhen(boolean)}
          *
          * @see Notification#when
          */
@@ -2196,6 +2258,8 @@
         /**
          * Control whether the timestamp set with {@link #setWhen(long) setWhen} is shown
          * in the content view.
+         * For apps targeting {@link android.os.Build.VERSION_CODES#N} and above, this defaults to
+         * {@code false}. For earlier apps, the default is {@code true}.
          */
         public Builder setShowWhen(boolean show) {
             mN.extras.putBoolean(EXTRA_SHOW_WHEN, show);
@@ -2304,9 +2368,22 @@
         }
 
         /**
-         * Set the third line of text in the platform notification template.
-         * Don't use if you're also using {@link #setProgress(int, int, boolean)}; they occupy the
-         * same location in the standard template.
+         * This provides some additional information that is displayed in the notification. No
+         * guarantees are given where exactly it is displayed.
+         *
+         * <p>This information should only be provided if it provides an essential
+         * benefit to the understanding of the notification. The more text you provide the
+         * less readable it becomes. For example, an email client should only provide the account
+         * name here if more than one email account has been added.</p>
+         *
+         * <p>As of {@link android.os.Build.VERSION_CODES#N} this information is displayed in the
+         * notification header area.
+         *
+         * On Android versions before {@link android.os.Build.VERSION_CODES#N}
+         * this will be shown in the third line of text in the platform notification template.
+         * You should not be using {@link #setProgress(int, int, boolean)} at the
+         * same time on those versions; they occupy the same place.
+         * </p>
          */
         public Builder setSubText(CharSequence text) {
             mN.extras.putCharSequence(EXTRA_SUB_TEXT, safeCharSequence(text));
@@ -2345,6 +2422,8 @@
          * Set the large number at the right-hand side of the notification.  This is
          * equivalent to setContentInfo, although it might show the number in a different
          * font size for readability.
+         *
+         * @deprecated this number is not shown anywhere anymore
          */
         public Builder setNumber(int number) {
             mN.number = number;
@@ -2356,6 +2435,10 @@
          *
          * The platform template will draw this on the last line of the notification, at the far
          * right (to the right of a smallIcon if it has been placed there).
+         *
+         * @deprecated use {@link #setSubText(CharSequence)} instead to set a text in the header.
+         * For legacy apps targeting a version below {@link android.os.Build.VERSION_CODES#N} this
+         * field will still show up, but the subtext will take precedence.
          */
         public Builder setContentInfo(CharSequence info) {
             mN.extras.putCharSequence(EXTRA_INFO_TEXT, safeCharSequence(info));
@@ -3009,10 +3092,8 @@
             contentView.setBoolean(R.id.notification_header, "setExpanded", false);
             contentView.setTextViewText(R.id.app_name_text, null);
             contentView.setViewVisibility(R.id.chronometer, View.GONE);
-            contentView.setViewVisibility(R.id.header_sub_text, View.GONE);
-            contentView.setViewVisibility(R.id.header_content_info, View.GONE);
-            contentView.setViewVisibility(R.id.sub_text_divider, View.GONE);
-            contentView.setViewVisibility(R.id.content_info_divider, View.GONE);
+            contentView.setViewVisibility(R.id.header_text, View.GONE);
+            contentView.setViewVisibility(R.id.header_text_divider, View.GONE);
             contentView.setViewVisibility(R.id.time_divider, View.GONE);
             contentView.setImageViewIcon(R.id.profile_badge, null);
             contentView.setViewVisibility(R.id.profile_badge, View.GONE);
@@ -3112,39 +3193,12 @@
         private void bindNotificationHeader(RemoteViews contentView) {
             bindSmallIcon(contentView);
             bindHeaderAppName(contentView);
-            bindHeaderSubText(contentView);
-            bindContentInfo(contentView);
+            bindHeaderText(contentView);
             bindHeaderChronometerAndTime(contentView);
             bindExpandButton(contentView);
             bindProfileBadge(contentView);
         }
 
-        private void bindContentInfo(RemoteViews contentView) {
-            boolean visible = false;
-            if (mN.extras.getCharSequence(EXTRA_INFO_TEXT) != null) {
-                contentView.setTextViewText(R.id.header_content_info,
-                        processLegacyText(mN.extras.getCharSequence(EXTRA_INFO_TEXT)));
-                contentView.setViewVisibility(R.id.header_content_info, View.VISIBLE);
-                visible = true;
-            } else if (mN.number > 0) {
-                final int tooBig = mContext.getResources().getInteger(
-                        R.integer.status_bar_notification_info_maxnum);
-                if (mN.number > tooBig) {
-                    contentView.setTextViewText(R.id.header_content_info, processLegacyText(
-                            mContext.getResources().getString(
-                                    R.string.status_bar_notification_info_overflow)));
-                } else {
-                    contentView.setTextViewText(R.id.header_content_info,
-                            processLegacyText(String.valueOf(mN.number)));
-                }
-                contentView.setViewVisibility(R.id.header_content_info, View.VISIBLE);
-                visible = true;
-            }
-            if (visible) {
-                contentView.setViewVisibility(R.id.content_info_divider, View.VISIBLE);
-            }
-        }
-
         private void bindExpandButton(RemoteViews contentView) {
             contentView.setDrawableParameters(R.id.expand_button, false, -1, resolveContrastColor(),
                     PorterDuff.Mode.SRC_ATOP, -1);
@@ -3169,17 +3223,22 @@
             }
         }
 
-        private void bindHeaderSubText(RemoteViews contentView) {
-            CharSequence subText = mN.extras.getCharSequence(EXTRA_SUB_TEXT);
-            if (subText == null && mStyle != null && mStyle.mSummaryTextSet
+        private void bindHeaderText(RemoteViews contentView) {
+            CharSequence headerText = mN.extras.getCharSequence(EXTRA_SUB_TEXT);
+            if (headerText == null && mStyle != null && mStyle.mSummaryTextSet
                     && mStyle.hasSummaryInHeader()) {
-                subText = mStyle.mSummaryText;
+                headerText = mStyle.mSummaryText;
             }
-            if (subText != null) {
+            if (headerText == null
+                    && mContext.getApplicationInfo().targetSdkVersion < Build.VERSION_CODES.N
+                    && mN.extras.getCharSequence(EXTRA_INFO_TEXT) != null) {
+                headerText = mN.extras.getCharSequence(EXTRA_INFO_TEXT);
+            }
+            if (headerText != null) {
                 // TODO: Remove the span entirely to only have the string with propper formating.
-                contentView.setTextViewText(R.id.header_sub_text, processLegacyText(subText));
-                contentView.setViewVisibility(R.id.header_sub_text, View.VISIBLE);
-                contentView.setViewVisibility(R.id.sub_text_divider, View.VISIBLE);
+                contentView.setTextViewText(R.id.header_text, processLegacyText(headerText));
+                contentView.setViewVisibility(R.id.header_text, View.VISIBLE);
+                contentView.setViewVisibility(R.id.header_text_divider, View.VISIBLE);
             }
         }
 
@@ -3529,7 +3588,8 @@
         private static Class<? extends Style> getNotificationStyleClass(String templateClass) {
             Class<? extends Style>[] classes = new Class[] {
                     BigTextStyle.class, BigPictureStyle.class, InboxStyle.class, MediaStyle.class,
-                    DecoratedCustomViewStyle.class, DecoratedMediaCustomViewStyle.class };
+                    DecoratedCustomViewStyle.class, DecoratedMediaCustomViewStyle.class,
+                    MessagingStyle.class };
             for (Class<? extends Style> innerClass : classes) {
                 if (templateClass.equals(innerClass.getName())) {
                     return innerClass;
@@ -4126,6 +4186,350 @@
     }
 
     /**
+     * Helper class for generating large-format notifications that include multiple back-and-forth
+     * messages of varying types between any number of people.
+     *
+     * <br>
+     * If the platform does not provide large-format notifications, this method has no effect. The
+     * user will always see the normal notification view.
+     * <br>
+     * This class is a "rebuilder": It attaches to a Builder object and modifies its behavior, like
+     * so:
+     * <pre class="prettyprint">
+     *
+     * Notification noti = new Notification.Builder()
+     *     .setContentTitle(&quot;2 new messages wtih &quot; + sender.toString())
+     *     .setContentText(subject)
+     *     .setSmallIcon(R.drawable.new_message)
+     *     .setLargeIcon(aBitmap)
+     *     .setStyle(new Notification.MessagingStyle(resources.getString(R.string.reply_name))
+     *         .addMessage(messages[0].getText(), messages[0].getTime(), messages[0].getSender())
+     *         .addMessage(messages[1].getText(), messages[1].getTime(), messages[1].getSender()))
+     *     .build();
+     * </pre>
+     */
+    public static class MessagingStyle extends Style {
+
+        /**
+         * The maximum number of messages that will be retained in the Notification itself (the
+         * number displayed is up to the platform).
+         */
+        public static final int MAXIMUM_RETAINED_MESSAGES = 25;
+
+        CharSequence mUserDisplayName;
+        CharSequence mConversationTitle;
+        boolean mAllowGeneratedReplies = true;
+        ArrayList<Message> mMessages = new ArrayList<>();
+
+        MessagingStyle() {
+        }
+
+        /**
+         * @param userDisplayName the name to be displayed for any replies sent by the user before the
+         * posting app reposts the notification with those messages after they've been actually
+         * sent and in previous messages sent by the user added in
+         * {@link #addMessage(Notification.MessagingStyle.Message)}
+         */
+        public MessagingStyle(CharSequence userDisplayName) {
+            mUserDisplayName = userDisplayName;
+        }
+
+        /**
+         * Returns the name to be displayed for any replies sent by the user
+         */
+        public CharSequence getUserDisplayName() {
+            return mUserDisplayName;
+        }
+
+        /**
+         * Set whether the platform should automatically generate possible replies from messages.
+         * @param allowGeneratedReplies {@code true} to allow generated replies, {@code false}
+         * otherwise
+         * @return this object for method chaining
+         * The default value is {@code true}
+         */
+        public MessagingStyle setAllowGeneratedReplies(boolean allowGeneratedReplies) {
+            mAllowGeneratedReplies = allowGeneratedReplies;
+            return this;
+        }
+
+        /**
+         * Return whether the platform should automatically generate possible replies from messages.
+         */
+        public boolean getAllowGeneratedReplies() {
+            return mAllowGeneratedReplies;
+        }
+
+        /**
+         * Sets the title to be displayed on this conversation. This should only be used for
+         * group messaging and left unset for one-on-one conversations.
+         * @param conversationTitle
+         * @return this object for method chaining.
+         */
+        public MessagingStyle setConversationTitle(CharSequence conversationTitle) {
+            mConversationTitle = conversationTitle;
+            return this;
+        }
+
+        /**
+         * Return the title to be displayed on this conversation. Can be <code>null</code> and
+         * should be for one-on-one conversations
+         */
+        public CharSequence getConversationTitle() {
+            return mConversationTitle;
+        }
+
+        /**
+         * Adds a message for display by this notification. Convenience call for a simple
+         * {@link Message} in {@link #addMessage(Notification.MessagingStyle.Message)}.
+         * @param text A {@link CharSequence} to be displayed as the message content
+         * @param timestamp Time at which the message arrived
+         * @param sender A {@link CharSequence} to be used for displaying the name of the
+         * sender. Should be <code>null</code> for messages by the current user, in which case
+         * the platform will insert {@link #getUserDisplayName()}.
+         * Should be unique amongst all individuals in the conversation, and should be
+         * consistent during re-posts of the notification.
+         *
+         * @see Message#Message(CharSequence, long, CharSequence)
+         *
+         * @return this object for method chaining
+         */
+        public MessagingStyle addMessage(CharSequence text, long timestamp, CharSequence sender) {
+            mMessages.add(new Message(text, timestamp, sender));
+            if (mMessages.size() > MAXIMUM_RETAINED_MESSAGES) {
+                mMessages.remove(0);
+            }
+            return this;
+        }
+
+        /**
+         * Adds a {@link Message} for display in this notification.
+         * @param message The {@link Message} to be displayed
+         * @return this object for method chaining
+         */
+        public MessagingStyle addMessage(Message message) {
+            mMessages.add(message);
+            if (mMessages.size() > MAXIMUM_RETAINED_MESSAGES) {
+                mMessages.remove(0);
+            }
+            return this;
+        }
+
+        /**
+         * Gets the list of {@code Message} objects that represent the notification
+         */
+        public List<Message> getMessages() {
+            return mMessages;
+        }
+
+        /**
+         * @hide
+         */
+        @Override
+        public void addExtras(Bundle extras) {
+            super.addExtras(extras);
+            if (mUserDisplayName != null) {
+                extras.putCharSequence(EXTRA_SELF_DISPLAY_NAME, mUserDisplayName);
+            }
+            if (mConversationTitle != null) {
+                extras.putCharSequence(EXTRA_THREAD_TITLE, mConversationTitle);
+            }
+            extras.putBoolean(EXTRA_ALLOW_GENERATED_REPLIES, mAllowGeneratedReplies);
+            if (!mMessages.isEmpty()) {
+                extras.putParcelableArrayList(EXTRA_MESSAGES, mMessages);
+            }
+        }
+
+        /**
+         * @hide
+         */
+        @Override
+        protected void restoreFromExtras(Bundle extras) {
+            super.restoreFromExtras(extras);
+
+            mMessages.clear();
+            mUserDisplayName = extras.getString(EXTRA_SELF_DISPLAY_NAME);
+            mConversationTitle = extras.getString(EXTRA_THREAD_TITLE);
+            mAllowGeneratedReplies = extras.getBoolean(EXTRA_ALLOW_GENERATED_REPLIES,
+                    mAllowGeneratedReplies);
+            List<Message> messages = extras.getParcelableArrayList(EXTRA_MESSAGES);
+            if (messages != null) {
+                mMessages.addAll(messages);
+            }
+        }
+
+        /**
+         * @hide
+         */
+        public RemoteViews makeBigContentView() {
+            // TODO handset to write implementation
+            RemoteViews contentView = getStandardView(mBuilder.getBigTextLayoutResource());
+
+            return contentView;
+        }
+
+        public static final class Message implements Parcelable {
+
+            private final CharSequence mText;
+            private final long mTimestamp;
+            private final CharSequence mSender;
+
+            private String mDataMimeType;
+            private Uri mDataUri;
+
+            /**
+             * Constructor
+             * @param text A {@link CharSequence} to be displayed as the message content
+             * @param timestamp Time at which the message arrived
+             * @param sender A {@link CharSequence} to be used for displaying the name of the
+             * sender. Should be <code>null</code> for messages by the current user, in which case
+             * the platform will insert {@link MessagingStyle#getUserDisplayName()}.
+             * Should be unique amongst all individuals in the conversation, and should be
+             * consistent during re-posts of the notification.
+             */
+            public Message(CharSequence text, long timestamp, CharSequence sender){
+                mText = text;
+                mTimestamp = timestamp;
+                mSender = sender;
+            }
+
+            /**
+             * Sets a binary blob of data and an associated MIME type for a message. In the case
+             * where the platform doesn't support the MIME type, the original text provided in the
+             * constructor will be used.
+             * @param dataMimeType The MIME type of the content. See
+             * <a href="{@docRoot}notifications/messaging.html"> for the list of supported MIME
+             * types on Android and Android Wear.
+             * @param dataUri The uri containing the content whose type is given by the MIME type.
+             * <p class="note">
+             * <ol>
+             *   <li>Notification Listeners including the System UI need permission to access the
+             *       data the Uri points to. The recommended ways to do this are:</li>
+             *   <li>Store the data in your own ContentProvider, making sure that other apps have
+             *       the correct permission to access your provider. The preferred mechanism for
+             *       providing access is to use per-URI permissions which are temporary and only
+             *       grant access to the receiving application. An easy way to create a
+             *       ContentProvider like this is to use the FileProvider helper class.</li>
+             *   <li>Use the system MediaStore. The MediaStore is primarily aimed at video, audio
+             *       and image MIME types, however beginning with Android 3.0 (API level 11) it can
+             *       also store non-media types (see MediaStore.Files for more info). Files can be
+             *       inserted into the MediaStore using scanFile() after which a content:// style
+             *       Uri suitable for sharing is passed to the provided onScanCompleted() callback.
+             *       Note that once added to the system MediaStore the content is accessible to any
+             *       app on the device.</li>
+             * </ol>
+             * @return this object for method chaining
+             */
+            public Message setData(String dataMimeType, Uri dataUri) {
+                mDataMimeType = dataMimeType;
+                mDataUri = dataUri;
+                return this;
+            }
+
+            private Message(Parcel in) {
+                if (in.readInt() != 0) {
+                    mText = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in);
+                } else {
+                    mText = null;
+                }
+                mTimestamp = in.readLong();
+                if (in.readInt() != 0) {
+                    mSender = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in);
+                } else {
+                    mSender = null;
+                }
+                if (in.readInt() != 0) {
+                    mDataMimeType = in.readString();
+                }
+                if (in.readInt() != 0) {
+                    mDataUri = in.readParcelable(Uri.class.getClassLoader());
+                }
+            }
+
+            /**
+             * Get the text to be used for this message, or the fallback text if a type and content
+             * Uri have been set
+             */
+            public CharSequence getText() {
+                return mText;
+            }
+
+            /**
+             * Get the time at which this message arrived
+             */
+            public long getTimestamp() {
+                return mTimestamp;
+            }
+
+            /**
+             * Get the text used to display the contact's name in the messaging experience
+             */
+            public CharSequence getSender() {
+                return mSender;
+            }
+
+            /**
+             * Get the MIME type of the data pointed to by the Uri
+             */
+            public String getDataMimeType() {
+                return mDataMimeType;
+            }
+
+            /**
+             * Get the the Uri pointing to the content of the message. Can be null, in which case
+             * {@see #getText()} is used.
+             */
+            public Uri getDataUri() {
+                return mDataUri;
+            }
+
+            @Override
+            public int describeContents() {
+                return 0;
+            }
+
+            @Override
+            public void writeToParcel(Parcel out, int flags) {
+                if (mText != null) {
+                    out.writeInt(1);
+                    TextUtils.writeToParcel(mText, out, flags);
+                } else {
+                    out.writeInt(0);
+                }
+                out.writeLong(mTimestamp);
+                if (mSender != null) {
+                    out.writeInt(1);
+                    TextUtils.writeToParcel(mSender, out, flags);
+                } else {
+                    out.writeInt(0);
+                }
+                if (mDataMimeType != null) {
+                    out.writeInt(1);
+                    out.writeString(mDataMimeType);
+                } else {
+                    out.writeInt(0);
+                }
+                if (mDataUri != null) {
+                    out.writeInt(1);
+                    out.writeParcelable(mDataUri, flags);
+                } else {
+                    out.writeInt(0);
+                }
+            }
+
+            public static final Parcelable.Creator<Message> CREATOR =
+                    new Parcelable.Creator<Message>() {
+                        public Message createFromParcel(Parcel in) {
+                            return new Message(in);
+                        }
+                        public Message[] newArray(int size) {
+                            return new Message[size];
+                        }
+                    };
+        }
+    }
+
+    /**
      * Helper class for generating large-format notifications that include a list of (up to 5) strings.
      *
      * Here's how you'd set the <code>InboxStyle</code> on a notification:
@@ -4863,6 +5267,7 @@
         private static final int FLAG_HINT_SHOW_BACKGROUND_ONLY = 1 << 2;
         private static final int FLAG_START_SCROLL_BOTTOM = 1 << 3;
         private static final int FLAG_HINT_AVOID_BACKGROUND_CLIPPING = 1 << 4;
+        private static final int FLAG_HINT_CONTENT_INTENT_LAUNCHES_ACTIVITY = 1 << 6;
 
         // Default value for flags integer
         private static final int DEFAULT_FLAGS = FLAG_CONTENT_INTENT_AVAILABLE_OFFLINE;
@@ -5429,6 +5834,29 @@
             return mHintScreenTimeout;
         }
 
+        /**
+         * Set a hint that this notification's content intent will launch an {@link Activity}
+         * directly, telling the platform that it can generate the appropriate transitions.
+         * @param hintContentIntentLaunchesActivity {@code true} if the content intent will launch
+         * an activity and transitions should be generated, false otherwise.
+         * @return this object for method chaining
+         */
+        public WearableExtender setHintContentIntentLaunchesActivity(
+                boolean hintContentIntentLaunchesActivity) {
+            setFlag(FLAG_HINT_CONTENT_INTENT_LAUNCHES_ACTIVITY, hintContentIntentLaunchesActivity);
+            return this;
+        }
+
+        /**
+         * Get a hint that this notification's content intent will launch an {@link Activity}
+         * directly, telling the platform that it can generate the appropriate transitions
+         * @return {@code true} if the content intent will launch an activity and transitions should
+         * be generated, false otherwise. The default value is {@code false} if this was never set.
+         */
+        public boolean getHintContentIntentLaunchesActivity() {
+            return (mFlags & FLAG_HINT_CONTENT_INTENT_LAUNCHES_ACTIVITY) != 0;
+        }
+
         private void setFlag(int mask, boolean value) {
             if (value) {
                 mFlags |= mask;
diff --git a/core/java/android/app/admin/DevicePolicyManager.java b/core/java/android/app/admin/DevicePolicyManager.java
index f15b8fe..96757bb 100644
--- a/core/java/android/app/admin/DevicePolicyManager.java
+++ b/core/java/android/app/admin/DevicePolicyManager.java
@@ -2288,6 +2288,23 @@
     }
 
     /**
+     * Returns maximum time to lock that applied by all profiles in this user. We do this because we
+     * do not have a separate timeout to lock for work challenge only.
+     *
+     * @hide
+     */
+    public long getMaximumTimeToLockForUserAndProfiles(int userHandle) {
+        if (mService != null) {
+            try {
+                return mService.getMaximumTimeToLockForUserAndProfiles(userHandle);
+            } catch (RemoteException e) {
+                throw e.rethrowFromSystemServer();
+            }
+        }
+        return 0;
+    }
+
+    /**
      * Make the device lock immediately, as if the lock screen timeout has expired at the point of
      * this call.
      * <p>
diff --git a/core/java/android/app/admin/IDevicePolicyManager.aidl b/core/java/android/app/admin/IDevicePolicyManager.aidl
index 1fb2283..6df1038 100644
--- a/core/java/android/app/admin/IDevicePolicyManager.aidl
+++ b/core/java/android/app/admin/IDevicePolicyManager.aidl
@@ -80,6 +80,7 @@
 
     void setMaximumTimeToLock(in ComponentName who, long timeMs, boolean parent);
     long getMaximumTimeToLock(in ComponentName who, int userHandle, boolean parent);
+    long getMaximumTimeToLockForUserAndProfiles(int userHandle);
 
     void lockNow(boolean parent);
 
diff --git a/core/java/android/content/ContentResolver.java b/core/java/android/content/ContentResolver.java
index cd67b3e..4db4567 100644
--- a/core/java/android/content/ContentResolver.java
+++ b/core/java/android/content/ContentResolver.java
@@ -17,6 +17,7 @@
 package android.content;
 
 import android.accounts.Account;
+import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.RequiresPermission;
@@ -60,6 +61,8 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Random;
@@ -289,6 +292,31 @@
     /** @hide */
     public static final int SYNC_OBSERVER_TYPE_ALL = 0x7fffffff;
 
+    /** @hide */
+    @IntDef(flag = true,
+            value = {
+                NOTIFY_SYNC_TO_NETWORK,
+                NOTIFY_SKIP_NOTIFY_FOR_DESCENDANTS
+            })
+    @Retention(RetentionPolicy.SOURCE)
+    public @interface NotifyFlags {}
+
+    /**
+     * Flag for {@link #notifyChange(Uri, ContentObserver, int)}: attempt to sync the change
+     * to the network.
+     */
+    public static final int NOTIFY_SYNC_TO_NETWORK = 1<<0;
+
+    /**
+     * Flag for {@link #notifyChange(Uri, ContentObserver, int)}: if set, this notification
+     * will be skipped if it is being delivered to the root URI of a ContentObserver that is
+     * using "notify for descendants."  The purpose of this is to allow the provide to send
+     * a general notification of "something under X" changed that observers of that specific
+     * URI can receive, while also sending a specific URI under X.  It would use this flag
+     * when sending the former, so that observers of "X and descendants" only see the latter.
+     */
+    public static final int NOTIFY_SKIP_NOTIFY_FOR_DESCENDANTS = 1<<1;
+
     // Always log queries which take 500ms+; shorter queries are
     // sampled accordingly.
     private static final boolean ENABLE_CONTENT_SAMPLE = false;
@@ -1676,7 +1704,7 @@
      * The observer that originated the change will only receive the notification if it
      * has requested to receive self-change notifications by implementing
      * {@link ContentObserver#deliverSelfNotifications()} to return true.
-     * @param syncToNetwork If true, attempt to sync the change to the network.
+     * @param syncToNetwork If true, same as {@link #NOTIFY_SYNC_TO_NETWORK}.
      * @see #requestSync(android.accounts.Account, String, android.os.Bundle)
      */
     public void notifyChange(@NonNull Uri uri, @Nullable ContentObserver observer,
@@ -1690,6 +1718,32 @@
     }
 
     /**
+     * Notify registered observers that a row was updated.
+     * To register, call {@link #registerContentObserver(android.net.Uri, boolean, android.database.ContentObserver) registerContentObserver()}.
+     * By default, CursorAdapter objects will get this notification.
+     * If syncToNetwork is true, this will attempt to schedule a local sync using the sync
+     * adapter that's registered for the authority of the provided uri. No account will be
+     * passed to the sync adapter, so all matching accounts will be synchronized.
+     *
+     * @param uri The uri of the content that was changed.
+     * @param observer The observer that originated the change, may be <code>null</null>.
+     * The observer that originated the change will only receive the notification if it
+     * has requested to receive self-change notifications by implementing
+     * {@link ContentObserver#deliverSelfNotifications()} to return true.
+     * @param flags Additional flags: {@link #NOTIFY_SYNC_TO_NETWORK}.
+     * @see #requestSync(android.accounts.Account, String, android.os.Bundle)
+     */
+    public void notifyChange(@NonNull Uri uri, @Nullable ContentObserver observer,
+            @NotifyFlags int flags) {
+        Preconditions.checkNotNull(uri, "uri");
+        notifyChange(
+                ContentProvider.getUriWithoutUserId(uri),
+                observer,
+                flags,
+                ContentProvider.getUserIdFromUri(uri, UserHandle.myUserId()));
+    }
+
+    /**
      * Notify registered observers within the designated user(s) that a row was updated.
      *
      * @hide
@@ -1699,7 +1753,24 @@
         try {
             getContentService().notifyChange(
                     uri, observer == null ? null : observer.getContentObserver(),
-                    observer != null && observer.deliverSelfNotifications(), syncToNetwork,
+                    observer != null && observer.deliverSelfNotifications(),
+                    syncToNetwork ? NOTIFY_SYNC_TO_NETWORK : 0,
+                    userHandle);
+        } catch (RemoteException e) {
+        }
+    }
+
+    /**
+     * Notify registered observers within the designated user(s) that a row was updated.
+     *
+     * @hide
+     */
+    public void notifyChange(Uri uri, ContentObserver observer, @NotifyFlags int flags,
+            @UserIdInt int userHandle) {
+        try {
+            getContentService().notifyChange(
+                    uri, observer == null ? null : observer.getContentObserver(),
+                    observer != null && observer.deliverSelfNotifications(), flags,
                     userHandle);
         } catch (RemoteException e) {
         }
diff --git a/core/java/android/content/IContentService.aidl b/core/java/android/content/IContentService.aidl
index d47e780..3446e03 100644
--- a/core/java/android/content/IContentService.aidl
+++ b/core/java/android/content/IContentService.aidl
@@ -52,7 +52,7 @@
      *     USER_CURRENT are properly interpreted.
      */
     void notifyChange(in Uri uri, IContentObserver observer,
-            boolean observerWantsSelfNotifications, boolean syncToNetwork,
+            boolean observerWantsSelfNotifications, int flags,
             int userHandle);
 
     void requestSync(in Account account, String authority, in Bundle extras);
diff --git a/core/java/android/content/IntentFilter.java b/core/java/android/content/IntentFilter.java
index ed5dfa5..22ab43b 100644
--- a/core/java/android/content/IntentFilter.java
+++ b/core/java/android/content/IntentFilter.java
@@ -449,11 +449,12 @@
     }
 
     /**
-     * Modify priority of this filter.  The default priority is 0. Positive
-     * values will be before the default, lower values will be after it.
-     * Applications must use a value that is larger than
-     * {@link #SYSTEM_LOW_PRIORITY} and smaller than
-     * {@link #SYSTEM_HIGH_PRIORITY} .
+     * Modify priority of this filter.  This only affects receiver filters.
+     * The priority of activity filters are set in XML and cannot be changed
+     * programatically. The default priority is 0. Positive values will be
+     * before the default, lower values will be after it. Applications should
+     * use a value that is larger than {@link #SYSTEM_LOW_PRIORITY} and
+     * smaller than {@link #SYSTEM_HIGH_PRIORITY} .
      *
      * @param priority The new priority value.
      *
diff --git a/core/java/android/content/pm/PackageParser.java b/core/java/android/content/pm/PackageParser.java
index fe8db9f..aa1e372 100644
--- a/core/java/android/content/pm/PackageParser.java
+++ b/core/java/android/content/pm/PackageParser.java
@@ -385,6 +385,7 @@
         public final int installLocation;
         public final VerifierInfo[] verifiers;
         public final Signature[] signatures;
+        public final Certificate[][] certificates;
         public final boolean coreApp;
         public final boolean multiArch;
         public final boolean use32bitAbi;
@@ -392,8 +393,8 @@
 
         public ApkLite(String codePath, String packageName, String splitName, int versionCode,
                 int revisionCode, int installLocation, List<VerifierInfo> verifiers,
-                Signature[] signatures, boolean coreApp, boolean multiArch, boolean use32bitAbi,
-                boolean extractNativeLibs) {
+                Signature[] signatures, Certificate[][] certificates, boolean coreApp,
+                boolean multiArch, boolean use32bitAbi, boolean extractNativeLibs) {
             this.codePath = codePath;
             this.packageName = packageName;
             this.splitName = splitName;
@@ -402,6 +403,7 @@
             this.installLocation = installLocation;
             this.verifiers = verifiers.toArray(new VerifierInfo[verifiers.size()]);
             this.signatures = signatures;
+            this.certificates = certificates;
             this.coreApp = coreApp;
             this.multiArch = multiArch;
             this.use32bitAbi = use32bitAbi;
@@ -1074,6 +1076,43 @@
     }
 
     /**
+     * Populates the correct packages fields with the given certificates.
+     * <p>
+     * This is useful when we've already processed the certificates [such as during package
+     * installation through an installer session]. We don't re-process the archive and
+     * simply populate the correct fields.
+     */
+    public static void populateCertificates(Package pkg, Certificate[][] certificates)
+            throws PackageParserException {
+        pkg.mCertificates = null;
+        pkg.mSignatures = null;
+        pkg.mSigningKeys = null;
+
+        pkg.mCertificates = certificates;
+        try {
+            pkg.mSignatures = convertToSignatures(certificates);
+        } catch (CertificateEncodingException e) {
+            // certificates weren't encoded properly; something went wrong
+            throw new PackageParserException(INSTALL_PARSE_FAILED_NO_CERTIFICATES,
+                    "Failed to collect certificates from " + pkg.baseCodePath, e);
+        }
+        pkg.mSigningKeys = new ArraySet<>(certificates.length);
+        for (int i = 0; i < certificates.length; i++) {
+            Certificate[] signerCerts = certificates[i];
+            Certificate signerCert = signerCerts[0];
+            pkg.mSigningKeys.add(signerCert.getPublicKey());
+        }
+        // add signatures to child packages
+        final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0;
+        for (int i = 0; i < childCount; i++) {
+            Package childPkg = pkg.childPackages.get(i);
+            childPkg.mCertificates = pkg.mCertificates;
+            childPkg.mSignatures = pkg.mSignatures;
+            childPkg.mSigningKeys = pkg.mSigningKeys;
+        }
+    }
+
+    /**
      * Collect certificates from all the APKs described in the given package,
      * populating {@link Package#mSignatures}. Also asserts that all APK
      * contents are signed correctly and consistently.
@@ -1304,6 +1343,7 @@
             parser = assets.openXmlResourceParser(cookie, ANDROID_MANIFEST_FILENAME);
 
             final Signature[] signatures;
+            final Certificate[][] certificates;
             if ((flags & PARSE_COLLECT_CERTIFICATES) != 0) {
                 // TODO: factor signature related items out of Package object
                 final Package tempPkg = new Package(null);
@@ -1314,12 +1354,14 @@
                     Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
                 }
                 signatures = tempPkg.mSignatures;
+                certificates = tempPkg.mCertificates;
             } else {
                 signatures = null;
+                certificates = null;
             }
 
             final AttributeSet attrs = parser;
-            return parseApkLite(apkPath, res, parser, attrs, flags, signatures);
+            return parseApkLite(apkPath, res, parser, attrs, flags, signatures, certificates);
 
         } catch (XmlPullParserException | IOException | RuntimeException e) {
             throw new PackageParserException(INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION,
@@ -1405,8 +1447,8 @@
     }
 
     private static ApkLite parseApkLite(String codePath, Resources res, XmlPullParser parser,
-            AttributeSet attrs, int flags, Signature[] signatures) throws IOException,
-            XmlPullParserException, PackageParserException {
+            AttributeSet attrs, int flags, Signature[] signatures, Certificate[][] certificates)
+                    throws IOException, XmlPullParserException, PackageParserException {
         final Pair<String, String> packageSplit = parsePackageSplitNames(parser, attrs);
 
         int installLocation = PARSE_DEFAULT_INSTALL_LOCATION;
@@ -1466,8 +1508,8 @@
         }
 
         return new ApkLite(codePath, packageSplit.first, packageSplit.second, versionCode,
-                revisionCode, installLocation, verifiers, signatures, coreApp, multiArch,
-                use32bitAbi, extractNativeLibs);
+                revisionCode, installLocation, verifiers, signatures, certificates, coreApp,
+                multiArch, use32bitAbi, extractNativeLibs);
     }
 
     /**
diff --git a/core/java/android/database/sqlite/SQLiteConnection.java b/core/java/android/database/sqlite/SQLiteConnection.java
index a762f59..34a9523 100644
--- a/core/java/android/database/sqlite/SQLiteConnection.java
+++ b/core/java/android/database/sqlite/SQLiteConnection.java
@@ -26,6 +26,7 @@
 import android.os.CancellationSignal;
 import android.os.OperationCanceledException;
 import android.os.ParcelFileDescriptor;
+import android.os.SystemClock;
 import android.os.Trace;
 import android.util.Log;
 import android.util.LruCache;
@@ -1311,7 +1312,8 @@
                         operation.mBindArgs.clear();
                     }
                 }
-                operation.mStartTime = System.currentTimeMillis();
+                operation.mStartWallTime = System.currentTimeMillis();
+                operation.mStartTime = SystemClock.uptimeMillis();
                 operation.mKind = kind;
                 operation.mSql = sql;
                 if (bindArgs != null) {
@@ -1376,7 +1378,7 @@
                     Trace.asyncTraceEnd(Trace.TRACE_TAG_DATABASE, operation.getTraceMethodName(),
                             operation.mCookie);
                 }
-                operation.mEndTime = System.currentTimeMillis();
+                operation.mEndTime = SystemClock.uptimeMillis();
                 operation.mFinished = true;
                 return SQLiteDebug.DEBUG_LOG_SLOW_QUERIES && SQLiteDebug.shouldLogSlowQuery(
                                 operation.mEndTime - operation.mStartTime);
@@ -1454,8 +1456,9 @@
         // marker for us, potentially losing metadata in the process).
         private static final int MAX_TRACE_METHOD_NAME_LEN = 256;
 
-        public long mStartTime;
-        public long mEndTime;
+        public long mStartWallTime; // in System.currentTimeMillis()
+        public long mStartTime; // in SystemClock.uptimeMillis();
+        public long mEndTime; // in SystemClock.uptimeMillis();
         public String mKind;
         public String mSql;
         public ArrayList<Object> mBindArgs;
@@ -1468,7 +1471,7 @@
             if (mFinished) {
                 msg.append(" took ").append(mEndTime - mStartTime).append("ms");
             } else {
-                msg.append(" started ").append(System.currentTimeMillis() - mStartTime)
+                msg.append(" started ").append(System.currentTimeMillis() - mStartWallTime)
                         .append("ms ago");
             }
             msg.append(" - ").append(getStatus());
@@ -1519,7 +1522,7 @@
             //       relatively expensive to create during preloading. This method is only used
             //       when dumping a connection, which is a rare (mainly error) case. So:
             //       DO NOT CACHE.
-            return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS").format(new Date(mStartTime));
+            return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS").format(new Date(mStartWallTime));
         }
     }
 }
diff --git a/core/java/android/hardware/fingerprint/FingerprintManager.java b/core/java/android/hardware/fingerprint/FingerprintManager.java
index b8088f3..4756b372 100644
--- a/core/java/android/hardware/fingerprint/FingerprintManager.java
+++ b/core/java/android/hardware/fingerprint/FingerprintManager.java
@@ -815,7 +815,8 @@
                 if (groupId != reqGroupId) {
                     Log.w(TAG, "Group id didn't match: " + groupId + " != " + reqGroupId);
                 }
-                mRemovalCallback.onRemovalSucceeded(mRemovalFingerprint);
+                mRemovalCallback.onRemovalSucceeded(new Fingerprint(null, groupId, fingerId,
+                        deviceId));
             }
         }
 
diff --git a/core/java/android/hardware/input/InputManager.java b/core/java/android/hardware/input/InputManager.java
index fbac58c..47440de 100644
--- a/core/java/android/hardware/input/InputManager.java
+++ b/core/java/android/hardware/input/InputManager.java
@@ -16,9 +16,7 @@
 
 package android.hardware.input;
 
-import com.android.internal.inputmethod.InputMethodSubtypeHandle;
 import com.android.internal.os.SomeArgs;
-import com.android.internal.util.ArrayUtils;
 
 import android.annotation.IntDef;
 import android.annotation.SdkConstant;
diff --git a/core/java/android/hardware/input/InputManagerInternal.java b/core/java/android/hardware/input/InputManagerInternal.java
index 014e73f..10fc8e6 100644
--- a/core/java/android/hardware/input/InputManagerInternal.java
+++ b/core/java/android/hardware/input/InputManagerInternal.java
@@ -52,4 +52,11 @@
      */
     public abstract void onInputMethodSubtypeChanged(int userId,
             @Nullable InputMethodInfo inputMethodInfo, @Nullable InputMethodSubtype subtype);
+
+    /**
+     * Toggles Caps Lock state for input device with specific id.
+     *
+     * @param deviceId The id of input device.
+     */
+    public abstract void toggleCapsLock(int deviceId);
 }
diff --git a/core/java/android/hardware/location/ContextHubInfo.java b/core/java/android/hardware/location/ContextHubInfo.java
index ae44f1d..194b9ee 100644
--- a/core/java/android/hardware/location/ContextHubInfo.java
+++ b/core/java/android/hardware/location/ContextHubInfo.java
@@ -345,6 +345,24 @@
         mMemoryRegions = Arrays.copyOf(memoryRegions, memoryRegions.length);
     }
 
+    @Override
+    public String toString() {
+      String retVal = "";
+      retVal += "Id : " + mId;
+      retVal += ", Name : " + mName;
+      retVal += "\n\tVendor : " + mVendor;
+      retVal += ", ToolChain : " + mToolchain;
+      retVal += "\n\tPlatformVersion : " + mPlatformVersion;
+      retVal += ", StaticSwVersion : " + mStaticSwVersion;
+      retVal += "\n\tPeakMips : " + mPeakMips;
+      retVal += ", StoppedPowerDraw : " + mStoppedPowerDrawMw + " mW";
+      retVal += ", PeakPowerDraw : " + mPeakPowerDrawMw + " mW";
+      retVal += "\n\tSupported sensors : " + Arrays.toString(mSupportedSensors);
+      retVal += "\n\tMemory Regions : " + Arrays.toString(mMemoryRegions);
+
+      return retVal;
+    }
+
     private ContextHubInfo(Parcel in) {
         mId = in.readInt();
         mName = in.readString();
diff --git a/core/java/android/hardware/location/ContextHubService.java b/core/java/android/hardware/location/ContextHubService.java
index 3e6cb63..2b9b974 100644
--- a/core/java/android/hardware/location/ContextHubService.java
+++ b/core/java/android/hardware/location/ContextHubService.java
@@ -18,9 +18,12 @@
 
 import android.Manifest;
 import android.content.Context;
+import android.content.pm.PackageManager;
 import android.os.RemoteException;
 import android.util.Log;
 
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.HashMap;
 
@@ -28,13 +31,12 @@
  * @hide
  */
 public class ContextHubService extends IContextHubService.Stub {
-
     public static final String CONTEXTHUB_SERVICE = "contexthub_service";
 
     private static final String TAG = "ContextHubService";
     private static final String HARDWARE_PERMISSION = Manifest.permission.LOCATION_HARDWARE;
     private static final String ENFORCE_HW_PERMISSION_MESSAGE = "Permission '"
-            + HARDWARE_PERMISSION + "' not granted to access ContextHub Hardware";
+        + HARDWARE_PERMISSION + "' not granted to access ContextHub Hardware";
 
 
     public static final int ANY_HUB             = -1;
@@ -78,8 +80,8 @@
     @Override
     public int registerCallback(IContextHubCallback callback) throws RemoteException {
         checkPermissions();
-        synchronized(this) {
-          mCallback = callback;
+        synchronized (this) {
+            mCallback = callback;
         }
         return 0;
     }
@@ -87,10 +89,10 @@
     @Override
     public int[] getContextHubHandles() throws RemoteException {
         checkPermissions();
-        int [] returnArray = new int[mContextHubInfo.length];
+        int[] returnArray = new int[mContextHubInfo.length];
 
         for (int i = 0; i < returnArray.length; ++i) {
-            returnArray[i] = i + 1; //valid handles from 1...n
+            returnArray[i] = i;
             Log.d(TAG, String.format("Hub %s is mapped to %d",
                                      mContextHubInfo[i].getName(), returnArray[i]));
         }
@@ -101,7 +103,6 @@
     @Override
     public ContextHubInfo getContextHubInfo(int contextHubHandle) throws RemoteException {
         checkPermissions();
-        contextHubHandle -= 1;
         if (!(contextHubHandle >= 0 && contextHubHandle < mContextHubInfo.length)) {
             return null; // null means fail
         }
@@ -112,13 +113,12 @@
     @Override
     public int loadNanoApp(int contextHubHandle, NanoApp app) throws RemoteException {
         checkPermissions();
-        contextHubHandle -= 1;
 
         if (!(contextHubHandle >= 0 && contextHubHandle < mContextHubInfo.length)) {
-            return -1; // negative handle are invalid, means failed
+            Log.e(TAG, "Invalid contextHubhandle " + contextHubHandle);
+            return -1;
         }
 
-        // Call Native interface here
         int[] msgHeader = new int[MSG_HEADER_SIZE];
         msgHeader[MSG_FIELD_HUB_HANDLE] = contextHubHandle;
         msgHeader[MSG_FIELD_APP_INSTANCE] = OS_APP_INSTANCE;
@@ -147,7 +147,7 @@
         msgHeader[MSG_FIELD_VERSION] = 0;
         msgHeader[MSG_FIELD_TYPE] = MSG_UNLOAD_NANO_APP;
 
-        if(nativeSendMessage(msgHeader, null) != 0) {
+        if (nativeSendMessage(msgHeader, null) != 0) {
             return -1;
         }
 
@@ -157,7 +157,7 @@
 
     @Override
     public NanoAppInstanceInfo getNanoAppInstanceInfo(int nanoAppInstanceHandle)
-            throws RemoteException {
+                                                      throws RemoteException {
         checkPermissions();
         // This assumes that all the nanoAppInfo is current. This is reasonable
         // for the use cases for tightly controlled nanoApps.
@@ -173,10 +173,10 @@
         checkPermissions();
         ArrayList<Integer> foundInstances = new ArrayList<Integer>();
 
-        for(Integer nanoAppInstance : mNanoAppHash.keySet()) {
+        for (Integer nanoAppInstance: mNanoAppHash.keySet()) {
             NanoAppInstanceInfo info = mNanoAppHash.get(nanoAppInstance);
 
-            if (filter.testMatch(info)){
+            if (filter.testMatch(info)) {
                 foundInstances.add(nanoAppInstance);
             }
         }
@@ -191,7 +191,7 @@
 
     @Override
     public int sendMessage(int hubHandle, int nanoAppHandle, ContextHubMessage msg)
-            throws RemoteException {
+                           throws RemoteException {
         checkPermissions();
 
         int[] msgHeader = new int[MSG_HEADER_SIZE];
@@ -203,6 +203,32 @@
         return nativeSendMessage(msgHeader, msg.getData());
     }
 
+    @Override
+    protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
+        if (mContext.checkCallingOrSelfPermission("android.permission.DUMP")
+            != PackageManager.PERMISSION_GRANTED) {
+            pw.println("Permission Denial: can't dump contexthub_service");
+            return;
+        }
+
+        pw.println("Dumping ContextHub Service");
+
+        pw.println("");
+        // dump ContextHubInfo
+        pw.println("=================== CONTEXT HUBS ====================");
+        for (int i = 0; i < mContextHubInfo.length; i++) {
+            pw.println("Handle " + i + " : " + mContextHubInfo[i].toString());
+        }
+        pw.println("");
+        pw.println("=================== NANOAPPS ====================");
+        // Dump nanoAppHash
+        for (Integer nanoAppInstance: mNanoAppHash.keySet()) {
+            pw.println(nanoAppInstance + " : " + mNanoAppHash.get(nanoAppInstance).toString());
+        }
+
+        // dump eventLog
+    }
+
     private void checkPermissions() {
         mContext.enforceCallingPermission(HARDWARE_PERMISSION, ENFORCE_HW_PERMISSION_MESSAGE);
     }
@@ -212,16 +238,16 @@
             return  -1;
         }
 
-        synchronized(this) {
+        synchronized (this) {
             if (mCallback != null) {
                 ContextHubMessage msg = new ContextHubMessage(header[MSG_FIELD_TYPE],
-                        header[MSG_FIELD_VERSION],
-                        data);
+                                                              header[MSG_FIELD_VERSION],
+                                                              data);
 
                 try {
                     mCallback.onMessageReceipt(header[MSG_FIELD_HUB_HANDLE],
-                            header[MSG_FIELD_APP_INSTANCE],
-                            msg);
+                                               header[MSG_FIELD_APP_INSTANCE],
+                                               msg);
                 } catch (Exception e) {
                     Log.w(TAG, "Exception " + e + " when calling remote callback");
                     return -1;
diff --git a/core/java/android/hardware/location/MemoryRegion.java b/core/java/android/hardware/location/MemoryRegion.java
index d100de2..857434e 100644
--- a/core/java/android/hardware/location/MemoryRegion.java
+++ b/core/java/android/hardware/location/MemoryRegion.java
@@ -79,6 +79,33 @@
     }
 
     @Override
+    public String toString() {
+        String mask = "";
+
+        if (isReadable()) {
+            mask += "r";
+        } else {
+            mask += "-";
+        }
+
+        if (isWritable()) {
+            mask += "w";
+        } else {
+            mask += "-";
+        }
+
+        if (isExecutable()) {
+            mask += "x";
+        } else {
+            mask += "-";
+        }
+
+        String retVal = "[ " + mSizeBytesFree + "/ " + mSizeBytes + " ] : " + mask;
+
+        return retVal;
+    }
+
+    @Override
     public int describeContents() {
         return 0;
     }
diff --git a/core/java/android/hardware/location/NanoApp.java b/core/java/android/hardware/location/NanoApp.java
index b447b62..c8f3439 100644
--- a/core/java/android/hardware/location/NanoApp.java
+++ b/core/java/android/hardware/location/NanoApp.java
@@ -284,4 +284,14 @@
             return new NanoApp[size];
         }
     };
+
+    @Override
+    public String toString() {
+        String retVal = "Id : " + mAppId;
+        retVal += ", Version : " + mAppVersion;
+        retVal += ", Name : " + mName;
+        retVal += ", Publisher : " + mPublisher;
+
+        return retVal;
+    }
 }
diff --git a/core/java/android/hardware/location/NanoAppInstanceInfo.java b/core/java/android/hardware/location/NanoAppInstanceInfo.java
index 977f645..e842ec6 100644
--- a/core/java/android/hardware/location/NanoAppInstanceInfo.java
+++ b/core/java/android/hardware/location/NanoAppInstanceInfo.java
@@ -320,4 +320,15 @@
             return new NanoAppInstanceInfo[size];
         }
     };
+
+    @Override
+    public String toString() {
+        String retVal = "handle : " + mHandle;
+        retVal += ", Id : 0x" + Long.toHexString(mAppId);
+        retVal += ", Version : " + mAppVersion;
+        retVal += ", Name : " + mName;
+        retVal += ", Publisher : " + mPublisher;
+
+        return retVal;
+    }
 }
diff --git a/core/java/android/net/ConnectivityManager.java b/core/java/android/net/ConnectivityManager.java
index b452341..a025337 100644
--- a/core/java/android/net/ConnectivityManager.java
+++ b/core/java/android/net/ConnectivityManager.java
@@ -767,6 +767,28 @@
     }
 
     /**
+     * Returns a {@link Network} object corresponding to the currently active
+     * default data network for a specific UID.  In the event that the default data
+     * network disconnects, the returned {@code Network} object will no longer
+     * be usable.  This will return {@code null} when there is no default
+     * network for the UID.
+     * <p>This method requires the caller to hold the permission
+     * {@link android.Manifest.permission#CONNECTIVITY_INTERNAL}.
+     *
+     * @return a {@link Network} object for the current default network for the
+     *         given UID or {@code null} if no default network is currently active
+     *
+     * @hide
+     */
+    public Network getActiveNetworkForUid(int uid) {
+        try {
+            return mService.getActiveNetworkForUid(uid);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
      * Configures an always-on VPN connection through a specific application.
      * This connection is automatically granted and persisted after a reboot.
      *
diff --git a/core/java/android/net/IConnectivityManager.aidl b/core/java/android/net/IConnectivityManager.aidl
index 1a9c9ea..c897c45 100644
--- a/core/java/android/net/IConnectivityManager.aidl
+++ b/core/java/android/net/IConnectivityManager.aidl
@@ -44,6 +44,7 @@
 interface IConnectivityManager
 {
     Network getActiveNetwork();
+    Network getActiveNetworkForUid(int uid);
     NetworkInfo getActiveNetworkInfo();
     NetworkInfo getActiveNetworkInfoForUid(int uid);
     NetworkInfo getNetworkInfo(int networkType);
diff --git a/core/java/android/os/storage/StorageManager.java b/core/java/android/os/storage/StorageManager.java
index 710f884..ece1228 100644
--- a/core/java/android/os/storage/StorageManager.java
+++ b/core/java/android/os/storage/StorageManager.java
@@ -1184,7 +1184,23 @@
 
     /** {@hide} */
     public static File maybeTranslateEmulatedPathToInternal(File path) {
-        // Disabled now that FUSE has been replaced by sdcardfs
+        final IMountService mountService = IMountService.Stub.asInterface(
+                ServiceManager.getService("mount"));
+        try {
+            final VolumeInfo[] vols = mountService.getVolumes(0);
+            for (VolumeInfo vol : vols) {
+                if ((vol.getType() == VolumeInfo.TYPE_EMULATED
+                        || vol.getType() == VolumeInfo.TYPE_PUBLIC) && vol.isMountedReadable()) {
+                    final File internalPath = FileUtils.rewriteAfterRename(vol.getPath(),
+                            vol.getInternalPath(), path);
+                    if (internalPath != null && internalPath.exists()) {
+                        return internalPath;
+                    }
+                }
+            }
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
         return path;
     }
 
diff --git a/core/java/android/service/notification/NotificationListenerService.java b/core/java/android/service/notification/NotificationListenerService.java
index afdd1d4..7325aef 100644
--- a/core/java/android/service/notification/NotificationListenerService.java
+++ b/core/java/android/service/notification/NotificationListenerService.java
@@ -69,6 +69,12 @@
  *         &lt;action android:name="android.service.notification.NotificationListenerService" />
  *     &lt;/intent-filter>
  * &lt;/service></pre>
+ *
+ * <p>The service should wait for the {@link #onListenerConnected()} event
+ * before performing any operations. The {@link #requestRebind(ComponentName)}
+ * method is the <i>only</i> one that is safe to call before {@link #onListenerConnected()}
+ * or after {@link #onListenerDisconnected()}.
+ * </p>
  */
 public abstract class NotificationListenerService extends Service {
     // TAG = "NotificationListenerService[MySubclass]"
@@ -164,6 +170,7 @@
 
     /** @hide */
     protected NotificationListenerWrapper mWrapper = null;
+    private boolean isConnected = false;
 
     @GuardedBy("mLock")
     private RankingMap mRankingMap;
@@ -222,10 +229,10 @@
 
     /**
      * Implement this method to learn when notifications are removed.
-     * <P>
+     * <p>
      * This might occur because the user has dismissed the notification using system UI (or another
      * notification listener) or because the app has withdrawn the notification.
-     * <P>
+     * <p>
      * NOTE: The {@link StatusBarNotification} object you receive will be "light"; that is, the
      * result from {@link StatusBarNotification#getNotification} may be missing some heavyweight
      * fields such as {@link android.app.Notification#contentView} and
@@ -243,10 +250,10 @@
 
     /**
      * Implement this method to learn when notifications are removed.
-     * <P>
+     * <p>
      * This might occur because the user has dismissed the notification using system UI (or another
      * notification listener) or because the app has withdrawn the notification.
-     * <P>
+     * <p>
      * NOTE: The {@link StatusBarNotification} object you receive will be "light"; that is, the
      * result from {@link StatusBarNotification#getNotification} may be missing some heavyweight
      * fields such as {@link android.app.Notification#contentView} and
@@ -275,6 +282,15 @@
     }
 
     /**
+     * Implement this method to learn about when the listener is disconnected from the
+     * notification manager.You will not receive any events after this call, and may only
+     * call {@link #requestRebind(ComponentName)} at this time.
+     */
+    public void onListenerDisconnected() {
+        // optional
+    }
+
+    /**
      * Implement this method to be notified when the notification ranking changes.
      *
      * @param rankingMap The current ranking map that can be used to retrieve ranking information
@@ -322,12 +338,15 @@
      * It should be called after the user dismisses a single notification using your UI;
      * upon being informed, the notification manager will actually remove the notification
      * and you will get an {@link #onNotificationRemoved(StatusBarNotification)} callback.
-     * <P>
+     * <p>
      * <b>Note:</b> If your listener allows the user to fire a notification's
      * {@link android.app.Notification#contentIntent} by tapping/clicking/etc., you should call
      * this method at that time <i>if</i> the Notification in question has the
      * {@link android.app.Notification#FLAG_AUTO_CANCEL} flag set.
      *
+     * <p>The service should wait for the {@link #onListenerConnected()} event
+     * before performing this operation.
+     *
      * @param pkg Package of the notifying app.
      * @param tag Tag of the notification as specified by the notifying app in
      *     {@link android.app.NotificationManager#notify(String, int, android.app.Notification)}.
@@ -357,12 +376,16 @@
      * It should be called after the user dismisses a single notification using your UI;
      * upon being informed, the notification manager will actually remove the notification
      * and you will get an {@link #onNotificationRemoved(StatusBarNotification)} callback.
-     * <P>
+     * <p>
      * <b>Note:</b> If your listener allows the user to fire a notification's
      * {@link android.app.Notification#contentIntent} by tapping/clicking/etc., you should call
      * this method at that time <i>if</i> the Notification in question has the
      * {@link android.app.Notification#FLAG_AUTO_CANCEL} flag set.
      * <p>
+     *
+     * <p>The service should wait for the {@link #onListenerConnected()} event
+     * before performing this operation.
+     *
      * @param key Notification to dismiss from {@link StatusBarNotification#getKey()}.
      */
     public final void cancelNotification(String key) {
@@ -384,6 +407,9 @@
      * upon being informed, the notification manager will actually remove all active notifications
      * and you will get multiple {@link #onNotificationRemoved(StatusBarNotification)} callbacks.
      *
+     * <p>The service should wait for the {@link #onListenerConnected()} event
+     * before performing this operation.
+     *
      * {@see #cancelNotification(String, String, int)}
      */
     public final void cancelAllNotifications() {
@@ -396,6 +422,9 @@
      * Use this if your listener has a user interface that allows the user to dismiss
      * multiple notifications at once.
      *
+     * <p>The service should wait for the {@link #onListenerConnected()} event
+     * before performing this operation.
+     *
      * @param keys Notifications to dismiss, or {@code null} to dismiss all.
      *
      * {@see #cancelNotification(String, String, int)}
@@ -414,6 +443,10 @@
      * user. This should only be called when there is sufficient confidence that the user is
      * looking at the notifications, such as when the notifications appear on the screen due to
      * an explicit user interaction.
+     *
+     * <p>The service should wait for the {@link #onListenerConnected()} event
+     * before performing this operation.
+     *
      * @param keys Notifications to mark as seen.
      */
     public final void setNotificationsShown(String[] keys) {
@@ -436,6 +469,9 @@
      * <p>
      * Set to {@link #TRIM_FULL} initially.
      *
+     * <p>The service should wait for the {@link #onListenerConnected()} event
+     * before performing this operation.
+     *
      * @hide
      *
      * @param trim trim of the notifications to be passed via {@link #onNotificationPosted}.
@@ -455,6 +491,9 @@
      * Request the list of outstanding notifications (that is, those that are visible to the
      * current user). Useful when you don't know what's already been posted.
      *
+     * <p>The service should wait for the {@link #onListenerConnected()} event
+     * before performing this operation.
+     *
      * @return An array of active notifications, sorted in natural order.
      */
     public StatusBarNotification[] getActiveNotifications() {
@@ -480,6 +519,9 @@
      * notifications but didn't want to retain the bits, and now need to go back and extract
      * more data out of those notifications.
      *
+     * <p>The service should wait for the {@link #onListenerConnected()} event
+     * before performing this operation.
+     *
      * @param keys the keys of the notifications to request
      * @return An array of notifications corresponding to the requested keys, in the
      * same order as the key list.
@@ -545,6 +587,9 @@
      * shared across all listeners or a feature the notification host does not support or refuses
      * to grant.
      *
+     * <p>The service should wait for the {@link #onListenerConnected()} event
+     * before performing this operation.
+     *
      * @return Zero or more of the HINT_ constants.
      */
     public final int getCurrentListenerHints() {
@@ -572,6 +617,9 @@
      * <p>
      * Listen for updates using {@link #onInterruptionFilterChanged(int)}.
      *
+     * <p>The service should wait for the {@link #onListenerConnected()} event
+     * before performing this operation.
+     *
      * @return One of the INTERRUPTION_FILTER_ constants, or INTERRUPTION_FILTER_UNKNOWN when
      * unavailable.
      */
@@ -594,6 +642,9 @@
      * <p>
      * Listen for updates using {@link #onListenerHintsChanged(int)}.
      *
+     * <p>The service should wait for the {@link #onListenerConnected()} event
+     * before performing this operation.
+     *
      * @param hints One or more of the HINT_ constants.
      */
     public final void requestListenerHints(int hints) {
@@ -614,6 +665,9 @@
      * <p>
      * Listen for updates using {@link #onInterruptionFilterChanged(int)}.
      *
+     * <p>The service should wait for the {@link #onListenerConnected()} event
+     * before performing this operation.
+     *
      * @param interruptionFilter One of the INTERRUPTION_FILTER_ constants.
      */
     public final void requestInterruptionFilter(int interruptionFilter) {
@@ -640,6 +694,9 @@
      * such events, for example to retrieve the RankingMap right after
      * initialization.
      *
+     * <p>The service should wait for the {@link #onListenerConnected()} event
+     * before performing this operation.
+     *
      * @return A {@link RankingMap} object providing access to ranking information
      */
     public RankingMap getCurrentRanking() {
@@ -648,6 +705,12 @@
         }
     }
 
+    /**
+     * This is not the lifecycle event you are looking for.
+     *
+     * <p>The service should wait for the {@link #onListenerConnected()} event
+     * before performing any operations.
+     */
     @Override
     public IBinder onBind(Intent intent) {
         if (mWrapper == null) {
@@ -665,6 +728,12 @@
         return true;
     }
 
+    @Override
+    public void onDestroy() {
+        onListenerDisconnected();
+        super.onDestroy();
+    }
+
     /**
      * Directly register this service with the Notification Manager.
      *
@@ -693,7 +762,7 @@
     /**
      * Directly unregister this service from the Notification Manager.
      *
-     * <P>This method will fail for listeners that were not registered
+     * <p>This method will fail for listeners that were not registered
      * with (@link registerAsService).
      * @hide
      */
@@ -708,11 +777,8 @@
     /**
      * Request that the listener be rebound, after a previous call to (@link requestUnbind).
      *
-     * <P>This method will fail for listeners that have
+     * <p>This method will fail for listeners that have
      * not been granted the permission by the user.
-     *
-     * <P>The service should wait for the {@link #onListenerConnected()} event
-     * before performing any operations.
      */
     public static void requestRebind(ComponentName componentName)
             throws RemoteException {
@@ -724,14 +790,19 @@
     /**
      * Request that the service be unbound.
      *
-     * <P>This will no longer receive updates until
+     * <p>This will no longer receive updates until
      * {@link #requestRebind(ComponentName)} is called.
      * The service will likely be kiled by the system after this call.
+     *
+     * <p>The service should wait for the {@link #onListenerConnected()} event
+     * before performing this operation. I know it's tempting, but you must wait.
      */
     public final void requestUnbind() throws RemoteException {
         if (mWrapper != null) {
             INotificationManager noMan = getNotificationInterface();
             noMan.requestUnbindListener(mWrapper);
+            // Disable future messages.
+            isConnected = false;
         }
     }
 
@@ -842,6 +913,7 @@
             synchronized (mLock) {
                 applyUpdateLocked(update);
             }
+            isConnected = true;
             mHandler.obtainMessage(MyHandler.MSG_ON_LISTENER_CONNECTED).sendToTarget();
         }
 
@@ -1303,6 +1375,9 @@
 
         @Override
         public void handleMessage(Message msg) {
+            if (!isConnected) {
+                return;
+            }
             switch (msg.what) {
                 case MSG_ON_NOTIFICATION_POSTED: {
                     SomeArgs args = (SomeArgs) msg.obj;
diff --git a/core/java/android/service/vr/IVrManager.aidl b/core/java/android/service/vr/IVrManager.aidl
new file mode 100644
index 0000000..62ecab3
--- /dev/null
+++ b/core/java/android/service/vr/IVrManager.aidl
@@ -0,0 +1,46 @@
+/**
+ * Copyright (c) 2016, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.service.vr;
+
+import android.service.vr.IVrStateCallbacks;
+
+/** @hide */
+interface IVrManager {
+
+    /**
+     * Add a callback to be notified when VR mode state changes.
+     *
+     * @param cb the callback instance to add.
+     */
+    void registerListener(in IVrStateCallbacks cb);
+
+    /**
+     * Remove the callack from the current set of registered callbacks.
+     *
+     * @param cb the callback to remove.
+     */
+    void unregisterListener(in IVrStateCallbacks cb);
+
+    /**
+     * Return current VR mode state.
+     *
+     * @return {@code true} if VR mode is enabled.
+     */
+    boolean getVrModeState();
+
+}
+
diff --git a/core/java/android/service/vr/IVrStateCallbacks.aidl b/core/java/android/service/vr/IVrStateCallbacks.aidl
new file mode 100644
index 0000000..c4fdcd0
--- /dev/null
+++ b/core/java/android/service/vr/IVrStateCallbacks.aidl
@@ -0,0 +1,24 @@
+/**
+ * Copyright (c) 2016, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.service.vr;
+
+/** @hide */
+oneway interface IVrStateCallbacks {
+
+    void onVrStateChanged(in boolean enabled);
+
+}
diff --git a/core/java/android/view/KeyEvent.java b/core/java/android/view/KeyEvent.java
index e0c6770..636384c 100644
--- a/core/java/android/view/KeyEvent.java
+++ b/core/java/android/view/KeyEvent.java
@@ -1870,6 +1870,11 @@
         return keyCode == KeyEvent.KEYCODE_META_LEFT || keyCode == KeyEvent.KEYCODE_META_RIGHT;
     }
 
+    /** @hide */
+    public static final boolean isAltKey(int keyCode) {
+        return keyCode == KeyEvent.KEYCODE_ALT_LEFT || keyCode == KeyEvent.KEYCODE_ALT_RIGHT;
+    }
+
     /** {@inheritDoc} */
     @Override
     public final int getDeviceId() {
diff --git a/core/java/android/view/NotificationHeaderView.java b/core/java/android/view/NotificationHeaderView.java
index cff9d8e..37da869 100644
--- a/core/java/android/view/NotificationHeaderView.java
+++ b/core/java/android/view/NotificationHeaderView.java
@@ -22,7 +22,6 @@
 import android.util.AttributeSet;
 import android.widget.ImageView;
 import android.widget.RemoteViews;
-import android.widget.TextView;
 
 import java.util.ArrayList;
 
@@ -37,7 +36,7 @@
     private final int mChildMinWidth;
     private final int mContentEndMargin;
     private View mAppName;
-    private View mSubTextView;
+    private View mHeaderText;
     private OnClickListener mExpandClickListener;
     private HeaderTouchListener mTouchListener = new HeaderTouchListener();
     private ImageView mExpandButton;
@@ -73,11 +72,10 @@
     protected void onFinishInflate() {
         super.onFinishInflate();
         mAppName = findViewById(com.android.internal.R.id.app_name_text);
-        mSubTextView = findViewById(com.android.internal.R.id.header_sub_text);
+        mHeaderText = findViewById(com.android.internal.R.id.header_text);
         mExpandButton = (ImageView) findViewById(com.android.internal.R.id.expand_button);
         mIcon = findViewById(com.android.internal.R.id.icon);
         mProfileBadge = findViewById(com.android.internal.R.id.profile_badge);
-        mInfo = findViewById(com.android.internal.R.id.header_content_info);
     }
 
     @Override
@@ -105,15 +103,7 @@
         }
         if (totalWidth > givenWidth) {
             int overFlow = totalWidth - givenWidth;
-            // We are overflowing, lets shrink the info first
-            final int infoWidth = mInfo.getMeasuredWidth();
-            if (mInfo.getVisibility() != GONE && infoWidth > mChildMinWidth) {
-                int newSize = infoWidth - Math.min(infoWidth - mChildMinWidth, overFlow);
-                int childWidthSpec = MeasureSpec.makeMeasureSpec(newSize, MeasureSpec.AT_MOST);
-                mInfo.measure(childWidthSpec, wrapContentHeightSpec);
-                overFlow -= infoWidth - newSize;
-            }
-            // still overflowing, lets shrink the app name now
+            // We are overflowing, lets shrink the app name first
             final int appWidth = mAppName.getMeasuredWidth();
             if (overFlow > 0 && mAppName.getVisibility() != GONE && appWidth > mChildMinWidth) {
                 int newSize = appWidth - Math.min(appWidth - mChildMinWidth, overFlow);
@@ -121,13 +111,13 @@
                 mAppName.measure(childWidthSpec, wrapContentHeightSpec);
                 overFlow -= appWidth - newSize;
             }
-            // still overflowing, finaly we shrink the subtext
-            if (overFlow > 0 && mSubTextView.getVisibility() != GONE) {
+            // still overflowing, finaly we shrink the header text
+            if (overFlow > 0 && mHeaderText.getVisibility() != GONE) {
                 // we're still too big
-                final int subTextWidth = mSubTextView.getMeasuredWidth();
-                int newSize = Math.max(0, subTextWidth - overFlow);
+                final int textWidth = mHeaderText.getMeasuredWidth();
+                int newSize = Math.max(0, textWidth - overFlow);
                 int childWidthSpec = MeasureSpec.makeMeasureSpec(newSize, MeasureSpec.AT_MOST);
-                mSubTextView.measure(childWidthSpec, wrapContentHeightSpec);
+                mHeaderText.measure(childWidthSpec, wrapContentHeightSpec);
             }
         }
         setMeasuredDimension(givenWidth, givenHeight);
diff --git a/core/java/android/view/WindowManagerPolicy.java b/core/java/android/view/WindowManagerPolicy.java
index 23b0df2..96f179b 100644
--- a/core/java/android/view/WindowManagerPolicy.java
+++ b/core/java/android/view/WindowManagerPolicy.java
@@ -1397,4 +1397,9 @@
      *         is allowed, so for example, if DOCKED_RIGHT is not allowed, DOCKED_LEFT is allowed.
      */
     public boolean isDockSideAllowed(int dockSide);
+
+    /**
+     * Called when the configuration has changed, and it's safe to load new values from resources.
+     */
+    public void onConfigurationChanged();
 }
diff --git a/core/java/android/view/animation/Animation.java b/core/java/android/view/animation/Animation.java
index 1536c29..d89c172 100644
--- a/core/java/android/view/animation/Animation.java
+++ b/core/java/android/view/animation/Animation.java
@@ -93,8 +93,12 @@
      */
     public static final int ZORDER_BOTTOM = -1;
 
-    private static final boolean USE_CLOSEGUARD
-            = SystemProperties.getBoolean("log.closeguard.Animation", false);
+    // Use a preload holder to isolate static initialization into inner class, which allows
+    // Animation and its subclasses to be compile-time initialized.
+    private static class NoImagePreloadHolder {
+        public static final boolean USE_CLOSEGUARD
+                = SystemProperties.getBoolean("log.closeguard.Animation", false);
+    }
 
     /**
      * Set by {@link #getTransformation(long, Transformation)} when the animation ends.
@@ -859,7 +863,7 @@
             if (!mStarted) {
                 fireAnimationStart();
                 mStarted = true;
-                if (USE_CLOSEGUARD) {
+                if (NoImagePreloadHolder.USE_CLOSEGUARD) {
                     guard.open("cancel or detach or getTransformation");
                 }
             }
diff --git a/core/java/android/widget/DatePicker.java b/core/java/android/widget/DatePicker.java
index e3357a7..0c5edc5 100644
--- a/core/java/android/widget/DatePicker.java
+++ b/core/java/android/widget/DatePicker.java
@@ -339,7 +339,9 @@
      *
      * @return {@code true} if the calendar view is shown
      * @see #getCalendarView()
+     * @deprecated Not supported by Material-style {@code calendar} mode
      */
+    @Deprecated
     public boolean getCalendarViewShown() {
         return mDelegate.getCalendarViewShown();
     }
@@ -347,13 +349,18 @@
     /**
      * Returns the {@link CalendarView} used by this picker.
      * <p>
-     * <strong>Note:</strong> This method returns {@code null} when the
+     * <strong>Note:</strong> This method throws an
+     * {@link UnsupportedOperationException} when the
      * {@link android.R.styleable#DatePicker_datePickerMode} attribute is set
      * to {@code calendar}.
      *
      * @return the calendar view
      * @see #getCalendarViewShown()
+     * @deprecated Not supported by Material-style {@code calendar} mode
+     * @throws UnsupportedOperationException if called when the picker is
+     *         displayed in {@code calendar} mode
      */
+    @Deprecated
     public CalendarView getCalendarView() {
         return mDelegate.getCalendarView();
     }
@@ -367,7 +374,9 @@
      *
      * @param shown {@code true} to show the calendar view, {@code false} to
      *              hide it
+     * @deprecated Not supported by Material-style {@code calendar} mode
      */
+    @Deprecated
     public void setCalendarViewShown(boolean shown) {
         mDelegate.setCalendarViewShown(shown);
     }
@@ -380,7 +389,9 @@
      * to {@code calendar}.
      *
      * @return {@code true} if the spinners are shown
+     * @deprecated Not supported by Material-style {@code calendar} mode
      */
+    @Deprecated
     public boolean getSpinnersShown() {
         return mDelegate.getSpinnersShown();
     }
@@ -394,7 +405,9 @@
      *
      * @param shown {@code true} to show the spinners, {@code false} to hide
      *              them
+     * @deprecated Not supported by Material-style {@code calendar} mode
      */
+    @Deprecated
     public void setSpinnersShown(boolean shown) {
         mDelegate.setSpinnersShown(shown);
     }
diff --git a/core/java/android/widget/DayPickerPagerAdapter.java b/core/java/android/widget/DayPickerPagerAdapter.java
index 8ce2f9c..97936e7 100644
--- a/core/java/android/widget/DayPickerPagerAdapter.java
+++ b/core/java/android/widget/DayPickerPagerAdapter.java
@@ -148,18 +148,22 @@
 
     void setCalendarTextColor(ColorStateList calendarTextColor) {
         mCalendarTextColor = calendarTextColor;
+        notifyDataSetChanged();
     }
 
     void setDaySelectorColor(ColorStateList selectorColor) {
         mDaySelectorColor = selectorColor;
+        notifyDataSetChanged();
     }
 
     void setMonthTextAppearance(int resId) {
         mMonthTextAppearance = resId;
+        notifyDataSetChanged();
     }
 
     void setDayOfWeekTextAppearance(int resId) {
         mDayOfWeekTextAppearance = resId;
+        notifyDataSetChanged();
     }
 
     int getDayOfWeekTextAppearance() {
@@ -168,6 +172,7 @@
 
     void setDayTextAppearance(int resId) {
         mDayTextAppearance = resId;
+        notifyDataSetChanged();
     }
 
     int getDayTextAppearance() {
diff --git a/core/java/android/widget/Editor.java b/core/java/android/widget/Editor.java
index 7055f78..440ef21 100644
--- a/core/java/android/widget/Editor.java
+++ b/core/java/android/widget/Editor.java
@@ -1778,6 +1778,18 @@
         if (translate) canvas.translate(0, -cursorOffsetVertical);
     }
 
+    void invalidateHandlesAndActionMode() {
+        if (mSelectionModifierCursorController != null) {
+            mSelectionModifierCursorController.invalidateHandles();
+        }
+        if (mInsertionPointCursorController != null) {
+            mInsertionPointCursorController.invalidateHandle();
+        }
+        if (mTextActionMode != null) {
+            mTextActionMode.invalidate();
+        }
+    }
+
     /**
      * Invalidates all the sub-display lists that overlap the specified character range
      */
@@ -3462,7 +3474,6 @@
                 popupBackground.getPadding(mTempRect);
                 width += mTempRect.left + mTempRect.right;
             }
-            mSuggestionListView.getLayoutParams().width = width;
             mPopupWindow.setWidth(width);
         }
 
@@ -4104,6 +4115,14 @@
             setMeasuredDimension(getPreferredWidth(), getPreferredHeight());
         }
 
+        @Override
+        public void invalidate() {
+            super.invalidate();
+            if (isShowing()) {
+                positionAtCursorOffset(getCurrentCursorOffset(), true);
+            }
+        };
+
         private int getPreferredWidth() {
             return Math.max(mDrawable.getIntrinsicWidth(), mMinSize);
         }
@@ -4170,7 +4189,12 @@
             return mTextView.getOffsetAtCoordinate(line, x);
         }
 
-        protected void positionAtCursorOffset(int offset, boolean parentScrolled) {
+        /**
+         * @param offset Cursor offset. Must be in [-1, length].
+         * @param forceUpdatePosition whether to force update the position.  This should be true
+         * when If the parent has been scrolled, for example.
+         */
+        protected void positionAtCursorOffset(int offset, boolean forceUpdatePosition) {
             // A HandleView relies on the layout, which may be nulled by external methods
             Layout layout = mTextView.getLayout();
             if (layout == null) {
@@ -4181,7 +4205,7 @@
             layout = mTextView.getLayout();
 
             boolean offsetChanged = offset != mPreviousOffset;
-            if (offsetChanged || parentScrolled) {
+            if (offsetChanged || forceUpdatePosition) {
                 if (offsetChanged) {
                     updateSelection(offset);
                     addPositionToTouchUpFilter(offset);
@@ -4782,13 +4806,9 @@
             mPrevX = x;
         }
 
-        /**
-         * @param offset Cursor offset. Must be in [-1, length].
-         * @param parentScrolled If the parent has been scrolled or not.
-         */
         @Override
-        protected void positionAtCursorOffset(int offset, boolean parentScrolled) {
-            super.positionAtCursorOffset(offset, parentScrolled);
+        protected void positionAtCursorOffset(int offset, boolean forceUpdatePosition) {
+            super.positionAtCursorOffset(offset, forceUpdatePosition);
             mInWord = (offset != -1) && !getWordIteratorWithText().isBoundary(offset);
         }
 
@@ -5014,6 +5034,12 @@
         public boolean isActive() {
             return mHandle != null && mHandle.isShowing();
         }
+
+        public void invalidateHandle() {
+            if (mHandle != null) {
+                mHandle.invalidate();
+            }
+        }
     }
 
     class SelectionModifierCursorController implements CursorController {
@@ -5418,6 +5444,15 @@
         public boolean isActive() {
             return mStartHandle != null && mStartHandle.isShowing();
         }
+
+        public void invalidateHandles() {
+            if (mStartHandle != null) {
+                mStartHandle.invalidate();
+            }
+            if (mEndHandle != null) {
+                mEndHandle.invalidate();
+            }
+        }
     }
 
     private class CorrectionHighlighter {
diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java
index 4483b7ba..48fd58b 100644
--- a/core/java/android/widget/TextView.java
+++ b/core/java/android/widget/TextView.java
@@ -3350,7 +3350,10 @@
         mShadowColor = color;
 
         // Will change text clip region
-        if (mEditor != null) mEditor.invalidateTextDisplayList();
+        if (mEditor != null) {
+            mEditor.invalidateTextDisplayList();
+            mEditor.invalidateHandlesAndActionMode();
+        }
         invalidate();
     }
 
@@ -8306,6 +8309,7 @@
             if (mEditor != null) {
                 if (oldStart >= 0) mEditor.invalidateTextDisplayList(mLayout, oldStart, oldEnd);
                 if (newStart >= 0) mEditor.invalidateTextDisplayList(mLayout, newStart, newEnd);
+                mEditor.invalidateHandlesAndActionMode();
             }
         }
 
diff --git a/core/java/com/android/internal/policy/IKeyguardService.aidl b/core/java/com/android/internal/policy/IKeyguardService.aidl
index e330de2..171a264 100644
--- a/core/java/com/android/internal/policy/IKeyguardService.aidl
+++ b/core/java/com/android/internal/policy/IKeyguardService.aidl
@@ -50,9 +50,12 @@
      * Called when the device has finished going to sleep.
      *
      * @param why {@link #OFF_BECAUSE_OF_USER}, {@link #OFF_BECAUSE_OF_ADMIN},
-     * or {@link #OFF_BECAUSE_OF_TIMEOUT}.
+     *            or {@link #OFF_BECAUSE_OF_TIMEOUT}.
+     * @param cameraGestureTriggered whether the camera gesture was triggered between
+     *                               {@link #onStartedGoingToSleep} and this method; if it's been
+     *                               triggered, we shouldn't lock the device.
      */
-    void onFinishedGoingToSleep(int reason);
+    void onFinishedGoingToSleep(int reason, boolean cameraGestureTriggered);
 
     /**
      * Called when the device has started waking up.
diff --git a/core/java/com/android/internal/view/menu/CascadingMenuPopup.java b/core/java/com/android/internal/view/menu/CascadingMenuPopup.java
index 29a9c8e..ddca51f 100644
--- a/core/java/com/android/internal/view/menu/CascadingMenuPopup.java
+++ b/core/java/com/android/internal/view/menu/CascadingMenuPopup.java
@@ -346,7 +346,15 @@
     private void showMenu(@NonNull MenuBuilder menu) {
         final LayoutInflater inflater = LayoutInflater.from(mContext);
         final MenuAdapter adapter = new MenuAdapter(menu, inflater, mOverflowOnly);
-        adapter.setForceShowIcon(mForceShowIcon);
+
+        // Apply "force show icon" setting; if the menu being shown is the top level menu, apply the
+        // setting set on this CascadingMenuPopup by its creating code. If it's a submenu, or if no
+        // "force" setting was explicitly set, determine the setting by examining the items.
+        if (!isShowing() && mForceShowIcon) {
+            adapter.setForceShowIcon(mForceShowIcon);
+        } else {
+            adapter.setForceShowIcon(MenuPopup.shouldPreserveIconSpacing(menu));
+        }
 
         final int menuWidth = measureIndividualMenuWidth(adapter, null, mContext, mMenuMaxWidth);
         final MenuPopupWindow popupWindow = createPopupWindow();
diff --git a/core/java/com/android/internal/view/menu/MenuPopup.java b/core/java/com/android/internal/view/menu/MenuPopup.java
index 42b1a56..16e4156 100644
--- a/core/java/com/android/internal/view/menu/MenuPopup.java
+++ b/core/java/com/android/internal/view/menu/MenuPopup.java
@@ -183,4 +183,25 @@
         }
         return (MenuAdapter) adapter;
     }
+
+    /**
+     * Returns whether icon spacing needs to be preserved for the given menu, based on whether any
+     * of its items contains an icon.
+     * @param menu
+     * @return Whether to preserve icon spacing.
+     */
+    protected static boolean shouldPreserveIconSpacing(MenuBuilder menu) {
+      boolean preserveIconSpacing = false;
+      final int count = menu.size();
+
+      for (int i = 0; i < count; i++) {
+          MenuItem childItem = menu.getItem(i);
+          if (childItem.isVisible() && childItem.getIcon() != null) {
+              preserveIconSpacing = true;
+              break;
+          }
+      }
+
+      return preserveIconSpacing;
+    }
 }
diff --git a/core/java/com/android/internal/view/menu/StandardMenuPopup.java b/core/java/com/android/internal/view/menu/StandardMenuPopup.java
index 8ced36f..d8ed92d 100644
--- a/core/java/com/android/internal/view/menu/StandardMenuPopup.java
+++ b/core/java/com/android/internal/view/menu/StandardMenuPopup.java
@@ -266,7 +266,7 @@
             final MenuPopupHelper subPopup = new MenuPopupHelper(mContext, subMenu,
                     mShownAnchorView, mOverflowOnly, mPopupStyleAttr, mPopupStyleRes);
             subPopup.setPresenterCallback(mPresenterCallback);
-            subPopup.setForceShowIcon(mAdapter.getForceShowIcon());
+            subPopup.setForceShowIcon(MenuPopup.shouldPreserveIconSpacing(subMenu));
 
             // Pass responsibility for handling onDismiss to the submenu.
             subPopup.setOnDismissListener(mOnDismissListener);
diff --git a/core/java/com/android/internal/widget/ILockSettings.aidl b/core/java/com/android/internal/widget/ILockSettings.aidl
index b07e36a..21c4d12 100644
--- a/core/java/com/android/internal/widget/ILockSettings.aidl
+++ b/core/java/com/android/internal/widget/ILockSettings.aidl
@@ -33,9 +33,12 @@
     void setLockPassword(in String password, in String savedPassword, int userId);
     VerifyCredentialResponse checkPassword(in String password, int userId);
     VerifyCredentialResponse verifyPassword(in String password, long challenge, int userId);
+    VerifyCredentialResponse verifyTiedProfileChallenge(String password, boolean isPattern, long challenge, int userId);
     boolean checkVoldPassword(int userId);
     boolean havePattern(int userId);
     boolean havePassword(int userId);
+    void setSeparateProfileChallengeEnabled(int userId, boolean enabled, String managedUserPassword);
+    boolean getSeparateProfileChallengeEnabled(int userId);
     void registerStrongAuthTracker(in IStrongAuthTracker tracker);
     void unregisterStrongAuthTracker(in IStrongAuthTracker tracker);
     void requireStrongAuth(int strongAuthReason, int userId);
diff --git a/core/java/com/android/internal/widget/LockPatternChecker.java b/core/java/com/android/internal/widget/LockPatternChecker.java
index 4880664..713f56f 100644
--- a/core/java/com/android/internal/widget/LockPatternChecker.java
+++ b/core/java/com/android/internal/widget/LockPatternChecker.java
@@ -145,6 +145,43 @@
     }
 
     /**
+     * Verify a password asynchronously.
+     *
+     * @param utils The LockPatternUtils instance to use.
+     * @param password The password to check.
+     * @param challenge The challenge to verify against the pattern.
+     * @param userId The user to check against the pattern.
+     * @param callback The callback to be invoked with the verification result.
+     */
+    public static AsyncTask<?, ?, ?> verifyTiedProfileChallenge(final LockPatternUtils utils,
+            final String password,
+            final boolean isPattern,
+            final long challenge,
+            final int userId,
+            final OnVerifyCallback callback) {
+        AsyncTask<Void, Void, byte[]> task = new AsyncTask<Void, Void, byte[]>() {
+            private int mThrottleTimeout;
+
+            @Override
+            protected byte[] doInBackground(Void... args) {
+                try {
+                    return utils.verifyTiedProfileChallenge(password, isPattern, challenge, userId);
+                } catch (RequestThrottledException ex) {
+                    mThrottleTimeout = ex.getTimeoutMs();
+                    return null;
+                }
+            }
+
+            @Override
+            protected void onPostExecute(byte[] result) {
+                callback.onVerified(result, mThrottleTimeout);
+            }
+        };
+        task.execute();
+        return task;
+    }
+
+    /**
      * Checks a password asynchronously.
      *
      * @param utils The LockPatternUtils instance to use.
diff --git a/core/java/com/android/internal/widget/LockPatternUtils.java b/core/java/com/android/internal/widget/LockPatternUtils.java
index 3d892af..bceeaca 100644
--- a/core/java/com/android/internal/widget/LockPatternUtils.java
+++ b/core/java/com/android/internal/widget/LockPatternUtils.java
@@ -137,8 +137,6 @@
     private static final String ENABLED_TRUST_AGENTS = "lockscreen.enabledtrustagents";
     private static final String IS_TRUST_USUALLY_MANAGED = "lockscreen.istrustusuallymanaged";
 
-    private static final String SEPARATE_PROFILE_CHALLENGE_KEY = "lockscreen.profilechallenge";
-
     // Maximum allowed number of repeated or ordered characters in a sequence before we'll
     // consider it a complex PIN/password.
     public static final int MAX_ALLOWED_SEQUENCE = 3;
@@ -377,6 +375,36 @@
         }
     }
 
+
+    /**
+     * Check to see if a password matches the saved password.
+     * If password matches, return an opaque attestation that the challenge
+     * was verified.
+     *
+     * @param password The password to check.
+     * @param challenge The challenge to verify against the password
+     * @return the attestation that the challenge was verified, or null.
+     */
+    public byte[] verifyTiedProfileChallenge(String password, boolean isPattern, long challenge,
+            int userId) throws RequestThrottledException {
+        throwIfCalledOnMainThread();
+        try {
+            VerifyCredentialResponse response =
+                    getLockSettings().verifyTiedProfileChallenge(password, isPattern, challenge,
+                            userId);
+
+            if (response.getResponseCode() == VerifyCredentialResponse.RESPONSE_OK) {
+                return response.getPayload();
+            } else if (response.getResponseCode() == VerifyCredentialResponse.RESPONSE_RETRY) {
+                throw new RequestThrottledException(response.getTimeout());
+            } else {
+                return null;
+            }
+        } catch (RemoteException re) {
+            return null;
+        }
+    }
+
     /**
      * Check to see if a password matches the saved password.  If no password exists,
      * always returns true.
@@ -785,6 +813,7 @@
             }
 
             getLockSettings().setLockPassword(password, savedPassword, userHandle);
+            getLockSettings().setSeparateProfileChallengeEnabled(userHandle, true, null);
             int computedQuality = computePasswordQuality(password);
 
             // Update the device encryption password.
@@ -919,11 +948,23 @@
     /**
      * Enables/disables the Separate Profile Challenge for this {@param userHandle}. This is a no-op
      * for user handles that do not belong to a managed profile.
+     *
+     * @param userHandle Managed profile user id
+     * @param enabled True if separate challenge is enabled
+     * @param managedUserPassword Managed profile previous password. Null when {@param enabled} is
+     *            true
      */
-    public void setSeparateProfileChallengeEnabled(int userHandle, boolean enabled) {
+    public void setSeparateProfileChallengeEnabled(int userHandle, boolean enabled,
+            String managedUserPassword) {
         UserInfo info = getUserManager().getUserInfo(userHandle);
         if (info.isManagedProfile()) {
-            setBoolean(SEPARATE_PROFILE_CHALLENGE_KEY, enabled, userHandle);
+            try {
+                getLockSettings().setSeparateProfileChallengeEnabled(userHandle, enabled,
+                        managedUserPassword);
+                onAfterChangingPassword(userHandle);
+            } catch (RemoteException e) {
+                Log.e(TAG, "Couldn't update work profile challenge enabled");
+            }
         }
     }
 
@@ -935,7 +976,13 @@
         if (info == null || !info.isManagedProfile()) {
             return false;
         }
-        return getBoolean(SEPARATE_PROFILE_CHALLENGE_KEY, false, userHandle);
+        try {
+            return getLockSettings().getSeparateProfileChallengeEnabled(userHandle);
+        } catch (RemoteException e) {
+            Log.e(TAG, "Couldn't get separate profile challenge enabled");
+            // Default value is false
+            return false;
+        }
     }
 
     /**
diff --git a/core/java/com/android/internal/widget/ResolverDrawerLayout.java b/core/java/com/android/internal/widget/ResolverDrawerLayout.java
index c4347f8..25b487e 100644
--- a/core/java/com/android/internal/widget/ResolverDrawerLayout.java
+++ b/core/java/com/android/internal/widget/ResolverDrawerLayout.java
@@ -17,9 +17,14 @@
 
 package com.android.internal.widget;
 
+import android.annotation.NonNull;
 import android.content.Context;
 import android.content.res.TypedArray;
+import android.graphics.Canvas;
+import android.graphics.Color;
 import android.graphics.Rect;
+import android.graphics.drawable.ColorDrawable;
+import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.Parcel;
 import android.os.Parcelable;
@@ -85,6 +90,10 @@
     private final float mMinFlingVelocity;
     private final OverScroller mScroller;
     private final VelocityTracker mVelocityTracker;
+    private final Drawable mScrollIndicatorDrawable;
+    private final Drawable mFakeForeground;
+
+    private View mButtonBar;
 
     private OnDismissedListener mOnDismissedListener;
     private RunOnDismissedListener mRunOnDismissedListener;
@@ -106,6 +115,8 @@
                 }
             };
 
+    private final int[] mTempOffset = new int[2];
+
     public ResolverDrawerLayout(Context context) {
         this(context, null);
     }
@@ -127,6 +138,9 @@
                 mMaxCollapsedHeight);
         a.recycle();
 
+        mScrollIndicatorDrawable = mContext.getDrawable(R.drawable.scroll_indicator_material);
+        mFakeForeground = new ColorDrawable(Color.TRANSPARENT);
+
         mScroller = new OverScroller(context, AnimationUtils.loadInterpolator(context,
                 android.R.interpolator.decelerate_quint));
         mVelocityTracker = VelocityTracker.obtain();
@@ -138,6 +152,13 @@
         setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_YES);
     }
 
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+
+        mButtonBar = findViewById(R.id.button_bar);
+    }
+
     public void setSmallCollapsed(boolean smallCollapsed) {
         mSmallCollapsed = smallCollapsed;
         requestLayout();
@@ -202,8 +223,7 @@
             }
             final boolean isCollapsedNew = mCollapseOffset != 0;
             if (isCollapsedOld != isCollapsedNew) {
-                notifyViewAccessibilityStateChangedIfNeeded(
-                        AccessibilityEvent.CONTENT_CHANGE_TYPE_UNDEFINED);
+                onCollapsedChanged(isCollapsedNew);
             }
         } else {
             // Start out collapsed at first unless we restored state for otherwise
@@ -442,8 +462,7 @@
             mTopOffset += dy;
             final boolean isCollapsedNew = newPos != 0;
             if (isCollapsedOld != isCollapsedNew) {
-                notifyViewAccessibilityStateChangedIfNeeded(
-                        AccessibilityEvent.CONTENT_CHANGE_TYPE_UNDEFINED);
+                onCollapsedChanged(isCollapsedNew);
             }
             postInvalidateOnAnimation();
             return dy;
@@ -451,6 +470,14 @@
         return 0;
     }
 
+    private void onCollapsedChanged(boolean isCollapsed) {
+        notifyViewAccessibilityStateChangedIfNeeded(
+                AccessibilityEvent.CONTENT_CHANGE_TYPE_UNDEFINED);
+
+        // Set a fake foreground so that we receive onDrawForeground().
+        setForeground(isCollapsed ? mFakeForeground : null);
+    }
+
     void dispatchOnDismissed() {
         if (mOnDismissedListener != null) {
             mOnDismissedListener.onDismissed();
@@ -709,6 +736,23 @@
     }
 
     @Override
+    public void onDrawForeground(Canvas canvas) {
+        if (isCollapsed() && mButtonBar != null) {
+            // Draw the scroll indicator directly above the button bar.
+            final int height = mScrollIndicatorDrawable.getIntrinsicHeight();
+            mButtonBar.getLocationInWindow(mTempOffset);
+            final int barTop = mTempOffset[1];
+            getLocationInWindow(mTempOffset);
+            final int myTop = mTempOffset[1];
+            final int top = (barTop - myTop) - height;
+            mScrollIndicatorDrawable.setBounds(0, top, getWidth(), top + height);
+            mScrollIndicatorDrawable.draw(canvas);
+        }
+
+        super.onDrawForeground(canvas);
+    }
+
+    @Override
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
         final int sourceWidth = MeasureSpec.getSize(widthMeasureSpec);
         int widthSize = sourceWidth;
diff --git a/core/jni/android/graphics/Paint.cpp b/core/jni/android/graphics/Paint.cpp
index 1844a98..f46f45c 100644
--- a/core/jni/android/graphics/Paint.cpp
+++ b/core/jni/android/graphics/Paint.cpp
@@ -768,6 +768,22 @@
         return false;
     }
 
+    // Returns true if the given string is exact one pair of regional indicators.
+    static bool isFlag(const jchar* str, size_t length) {
+        const jchar RI_LEAD_SURROGATE = 0xD83C;
+        const jchar RI_TRAIL_SURROGATE_MIN = 0xDDE6;
+        const jchar RI_TRAIL_SURROGATE_MAX = 0xDDFF;
+
+        if (length != 4) {
+            return false;
+        }
+        if (str[0] != RI_LEAD_SURROGATE || str[2] != RI_LEAD_SURROGATE) {
+            return false;
+        }
+        return RI_TRAIL_SURROGATE_MIN <= str[1] && str[1] <= RI_TRAIL_SURROGATE_MAX &&
+            RI_TRAIL_SURROGATE_MIN <= str[3] && str[3] <= RI_TRAIL_SURROGATE_MAX;
+    }
+
     static jboolean hasGlyph(JNIEnv *env, jclass, jlong paintHandle, jlong typefaceHandle,
             jint bidiFlags, jstring string) {
         const Paint* paint = reinterpret_cast<Paint*>(paintHandle);
@@ -817,7 +833,26 @@
             // in joining scripts, such as Arabic and Mongolian.
             return false;
         }
-        return nGlyphs > 0 && !layoutContainsNotdef(layout);
+
+        if (nGlyphs == 0 || layoutContainsNotdef(layout)) {
+            return false;  // The collection doesn't have a glyph.
+        }
+
+        if (nChars == 2 && isFlag(str.get(), str.size())) {
+            // Some font may have a special glyph for unsupported regional indicator pairs.
+            // To return false for this case, need to compare the glyph id with the one of ZZ
+            // since ZZ is reserved for unknown or invalid territory.
+            // U+1F1FF (REGIONAL INDICATOR SYMBOL LETTER Z) is \uD83C\uDDFF in UTF16.
+            static const jchar ZZ_FLAG_STR[] = { 0xD83C, 0xDDFF, 0xD83C, 0xDDFF };
+            Layout zzLayout;
+            MinikinUtils::doLayout(&zzLayout, paint, bidiFlags, typeface, ZZ_FLAG_STR, 0, 4, 4);
+            if (zzLayout.nGlyphs() != 1 || layoutContainsNotdef(zzLayout)) {
+                // The font collection doesn't have a glyph for unknown flag. Just return true.
+                return true;
+            }
+            return zzLayout.getGlyphId(0) != layout.getGlyphId(0);
+        }
+        return true;
     }
 
     static jfloat doRunAdvance(const Paint* paint, Typeface* typeface, const jchar buf[],
diff --git a/core/jni/android_hardware_location_ContextHubService.cpp b/core/jni/android_hardware_location_ContextHubService.cpp
index 80ae550..91a3b4f 100644
--- a/core/jni/android_hardware_location_ContextHubService.cpp
+++ b/core/jni/android_hardware_location_ContextHubService.cpp
@@ -382,6 +382,9 @@
                       char *msg, int msgLen) {
     int retVal;
 
+    //ALOGD("Rcd OS message from hubHandle %" PRIu32 " type %" PRIu32 " length %d",
+    //      hubHandle, msgType, msgLen);
+
     switch(msgType) {
         case CONTEXT_HUB_APPS_ENABLE:
             retVal = 0;
@@ -633,7 +636,7 @@
 
 
     if (numHeaderElements >= MSG_HEADER_SIZE) {
-        int setAddressSuccess;
+        bool setAddressSuccess;
         int hubId;
         hub_message_t msg;
 
@@ -654,7 +657,7 @@
           ALOGD("Could not find app instance %d on hubHandle %d, setAddress %d",
                 header[HEADER_FIELD_APP_INSTANCE],
                 header[HEADER_FIELD_HUB_HANDLE],
-                setAddressSuccess);
+                (int)setAddressSuccess);
         }
     } else {
         ALOGD("Malformed header len");
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 88d75dd..9a2e39c7 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -2997,6 +2997,11 @@
     <permission android:name="android.permission.BIND_VR_LISTENER_SERVICE"
         android:protectionLevel="signature" />
 
+    <!-- Required to make calls to {@link android.service.vr.IVrManager}.
+         @hide -->
+    <permission android:name="android.permission.ACCESS_VR_MANAGER"
+            android:protectionLevel="signature" />
+
     <!-- Allows an application to whitelist tasks during lock task mode
          @hide <p>Not for use by third-party applications.</p> -->
     <permission android:name="android.permission.UPDATE_LOCK_TASK_PACKAGES"
diff --git a/core/res/res/anim/slide_in_enter_micro.xml b/core/res/res/anim/slide_in_enter_micro.xml
index 14a5290..c70874c 100644
--- a/core/res/res/anim/slide_in_enter_micro.xml
+++ b/core/res/res/anim/slide_in_enter_micro.xml
@@ -19,7 +19,7 @@
 
 <set xmlns:android="http://schemas.android.com/apk/res/android"
      android:zAdjustment="top">
-    <translate android:fromYDelta="5%p" android:toXDelta="0"
+    <translate android:fromYDelta="5%p" android:toYDelta="0"
                android:duration="417"
                android:interpolator="@android:interpolator/launch_task_micro_ydelta" />
     <alpha android:fromAlpha="0.0" android:toAlpha="1.0"
diff --git a/core/res/res/layout/notification_template_header.xml b/core/res/res/layout/notification_template_header.xml
index 0bbaa24..992e88e 100644
--- a/core/res/res/layout/notification_template_header.xml
+++ b/core/res/res/layout/notification_template_header.xml
@@ -42,7 +42,7 @@
         android:singleLine="true"
         />
     <TextView
-        android:id="@+id/sub_text_divider"
+        android:id="@+id/header_text_divider"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:textAppearance="@style/TextAppearance.Material.Notification.Info"
@@ -51,26 +51,7 @@
         android:text="@string/notification_header_divider_symbol"
         android:visibility="gone"/>
     <TextView
-        android:id="@+id/header_sub_text"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:textAppearance="@style/TextAppearance.Material.Notification.Info"
-        android:layout_marginStart="2dp"
-        android:layout_marginEnd="2dp"
-        android:visibility="gone"
-        android:singleLine="true"/>
-    <TextView
-        android:id="@+id/content_info_divider"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:textAppearance="@style/TextAppearance.Material.Notification.Info"
-        android:layout_marginStart="2dp"
-        android:layout_marginEnd="2dp"
-        android:text="@string/notification_header_divider_symbol"
-        android:singleLine="true"
-        android:visibility="gone"/>
-    <TextView
-        android:id="@+id/header_content_info"
+        android:id="@+id/header_text"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:textAppearance="@style/TextAppearance.Material.Notification.Info"
diff --git a/core/res/res/layout/resolver_list.xml b/core/res/res/layout/resolver_list.xml
index 4b8640c..fe43e1c 100644
--- a/core/res/res/layout/resolver_list.xml
+++ b/core/res/res/layout/resolver_list.xml
@@ -30,33 +30,37 @@
         android:layout_height="wrap_content"
         android:layout_alwaysShow="true"
         android:elevation="8dp"
-        android:background="@color/white" >
-        <TextView android:id="@+id/profile_button"
-                  android:layout_width="wrap_content"
-                  android:layout_height="48dp"
-                  android:layout_marginEnd="8dp"
-                  android:paddingStart="8dp"
-                  android:paddingEnd="8dp"
-                  android:visibility="gone"
-                  style="?attr/borderlessButtonStyle"
-                  android:textAppearance="?attr/textAppearanceButton"
-                  android:textColor="@color/material_deep_teal_500"
-                  android:gravity="center_vertical"
-                  android:layout_alignParentTop="true"
-                  android:layout_alignParentRight="true"
-                  android:singleLine="true"/>
-        <TextView android:id="@+id/title"
-                  android:layout_width="wrap_content"
-                  android:layout_height="wrap_content"
-                  android:minHeight="56dp"
-                  android:textAppearance="?attr/textAppearanceMedium"
-                  android:gravity="start|center_vertical"
-                  android:paddingStart="?attr/dialogPreferredPadding"
-                  android:paddingEnd="?attr/dialogPreferredPadding"
-                  android:paddingTop="8dp"
-                  android:layout_below="@id/profile_button"
-                  android:layout_alignParentLeft="true"
-                  android:paddingBottom="8dp" />
+        android:background="@color/white">
+
+        <TextView
+            android:id="@+id/profile_button"
+            android:layout_width="wrap_content"
+            android:layout_height="48dp"
+            android:layout_marginEnd="8dp"
+            android:paddingStart="8dp"
+            android:paddingEnd="8dp"
+            android:visibility="gone"
+            style="?attr/borderlessButtonStyle"
+            android:textAppearance="?attr/textAppearanceButton"
+            android:textColor="@color/material_deep_teal_500"
+            android:gravity="center_vertical"
+            android:layout_alignParentTop="true"
+            android:layout_alignParentRight="true"
+            android:singleLine="true" />
+
+        <TextView
+            android:id="@+id/title"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:minHeight="56dp"
+            android:textAppearance="?attr/textAppearanceMedium"
+            android:gravity="start|center_vertical"
+            android:paddingStart="?attr/dialogPreferredPadding"
+            android:paddingEnd="?attr/dialogPreferredPadding"
+            android:paddingTop="8dp"
+            android:layout_below="@id/profile_button"
+            android:layout_alignParentLeft="true"
+            android:paddingBottom="8dp" />
     </RelativeLayout>
 
     <ListView
@@ -68,21 +72,23 @@
         android:background="@color/white"
         android:elevation="8dp"
         android:nestedScrollingEnabled="true"
+        android:scrollIndicators="top|bottom"
         android:divider="@null" />
 
-    <TextView android:id="@+id/empty"
-              android:layout_width="match_parent"
-              android:layout_height="match_parent"
-              android:layout_alwaysShow="true"
-              android:text="@string/noApplications"
-              android:padding="32dp"
-              android:gravity="center"
-              android:visibility="gone" />
+    <TextView
+        android:id="@+id/empty"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_alwaysShow="true"
+        android:text="@string/noApplications"
+        android:padding="32dp"
+        android:gravity="center"
+        android:visibility="gone" />
 
     <LinearLayout
         android:id="@+id/button_bar"
         android:visibility="gone"
-        style="?android:attr/buttonBarStyle"
+        style="?attr/buttonBarStyle"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_ignoreOffset="true"
@@ -97,26 +103,30 @@
         android:paddingStart="12dp"
         android:paddingEnd="12dp"
         android:elevation="8dp">
-        <Button android:id="@+id/button_once"
-                android:layout_width="wrap_content"
-                android:layout_gravity="start"
-                android:maxLines="2"
-                style="?android:attr/buttonBarNegativeButtonStyle"
-                android:minHeight="@dimen/alert_dialog_button_bar_height"
-                android:layout_height="wrap_content"
-                android:enabled="false"
-                android:text="@string/activity_resolver_use_once"
-                android:onClick="onButtonClick" />
-        <Button android:id="@+id/button_always"
-                android:layout_width="wrap_content"
-                android:layout_gravity="end"
-                android:maxLines="2"
-                android:minHeight="@dimen/alert_dialog_button_bar_height"
-                style="?android:attr/buttonBarPositiveButtonStyle"
-                android:layout_height="wrap_content"
-                android:enabled="false"
-                android:text="@string/activity_resolver_use_always"
-                android:onClick="onButtonClick" />
+
+        <Button
+            android:id="@+id/button_once"
+            android:layout_width="wrap_content"
+            android:layout_gravity="start"
+            android:maxLines="2"
+            style="?attr/buttonBarNegativeButtonStyle"
+            android:minHeight="@dimen/alert_dialog_button_bar_height"
+            android:layout_height="wrap_content"
+            android:enabled="false"
+            android:text="@string/activity_resolver_use_once"
+            android:onClick="onButtonClick" />
+
+        <Button
+            android:id="@+id/button_always"
+            android:layout_width="wrap_content"
+            android:layout_gravity="end"
+            android:maxLines="2"
+            android:minHeight="@dimen/alert_dialog_button_bar_height"
+            style="?attr/buttonBarPositiveButtonStyle"
+            android:layout_height="wrap_content"
+            android:enabled="false"
+            android:text="@string/activity_resolver_use_always"
+            android:onClick="onButtonClick" />
     </LinearLayout>
 
 </com.android.internal.widget.ResolverDrawerLayout>
diff --git a/core/res/res/layout/resolver_list_with_default.xml b/core/res/res/layout/resolver_list_with_default.xml
index 31361e5..ed7ef5e 100644
--- a/core/res/res/layout/resolver_list_with_default.xml
+++ b/core/res/res/layout/resolver_list_with_default.xml
@@ -22,8 +22,7 @@
     android:layout_height="match_parent"
     android:maxWidth="@dimen/resolver_max_width"
     android:maxCollapsedHeight="144dp"
-    android:id="@id/contentPanel"
-    >
+    android:id="@id/contentPanel">
 
     <LinearLayout
         android:layout_width="match_parent"
@@ -31,66 +30,75 @@
         android:layout_alwaysShow="true"
         android:orientation="vertical"
         android:background="@color/white"
-        android:elevation="8dp" >
+        android:elevation="8dp">
 
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="64dp"
-            android:orientation="horizontal" >
+            android:orientation="horizontal">
 
-            <ImageView android:id="@+id/icon"
-                       android:layout_width="24dp"
-                       android:layout_height="24dp"
-                       android:layout_gravity="start|top"
-                       android:layout_marginStart="16dp"
-                       android:layout_marginEnd="16dp"
-                       android:layout_marginTop="20dp"
-                       android:scaleType="fitCenter" />
-            <TextView android:id="@+id/title"
-                      android:layout_width="0dp"
-                      android:layout_weight="1"
-                      android:layout_height="?android:attr/listPreferredItemHeight"
-                      android:layout_marginStart="16dp"
-                      android:textAppearance="?android:attr/textAppearanceMedium"
-                      android:gravity="start|center_vertical"
-                      android:paddingEnd="16dp" />
-            <LinearLayout android:id="@+id/profile_button"
-                          android:layout_width="wrap_content"
-                          android:layout_height="48dp"
-                          android:layout_marginTop="4dp"
-                          android:layout_marginEnd="4dp"
-                          android:paddingStart="8dp"
-                          android:paddingEnd="8dp"
-                          android:paddingTop="4dp"
-                          android:paddingBottom="4dp"
-                          android:focusable="true"
-                          android:visibility="gone"
-                          style="?attr/borderlessButtonStyle">
-                <ImageView android:id="@+id/icon"
-                           android:layout_width="24dp"
-                           android:layout_height="24dp"
-                           android:layout_gravity="start|center_vertical"
-                           android:layout_marginEnd="?attr/listPreferredItemPaddingEnd"
-                           android:layout_marginTop="12dp"
-                           android:layout_marginBottom="12dp"
-                           android:scaleType="fitCenter" />
-                <TextView android:id="@id/text1"
-                          android:layout_width="wrap_content"
-                          android:layout_height="wrap_content"
-                          android:layout_gravity="start|center_vertical"
-                          android:layout_marginEnd="?attr/listPreferredItemPaddingEnd"
-                          android:textAppearance="?attr/textAppearanceButton"
-                          android:textColor="?attr/textColorPrimary"
-                          android:minLines="1"
-                          android:maxLines="1"
-                          android:ellipsize="marquee" />
+            <ImageView
+                android:id="@+id/icon"
+                android:layout_width="24dp"
+                android:layout_height="24dp"
+                android:layout_gravity="start|top"
+                android:layout_marginStart="16dp"
+                android:layout_marginEnd="16dp"
+                android:layout_marginTop="20dp"
+                android:scaleType="fitCenter" />
+
+            <TextView
+                android:id="@+id/title"
+                android:layout_width="0dp"
+                android:layout_weight="1"
+                android:layout_height="?attr/listPreferredItemHeight"
+                android:layout_marginStart="16dp"
+                android:textAppearance="?attr/textAppearanceMedium"
+                android:gravity="start|center_vertical"
+                android:paddingEnd="16dp" />
+
+            <LinearLayout
+                android:id="@+id/profile_button"
+                android:layout_width="wrap_content"
+                android:layout_height="48dp"
+                android:layout_marginTop="4dp"
+                android:layout_marginEnd="4dp"
+                android:paddingStart="8dp"
+                android:paddingEnd="8dp"
+                android:paddingTop="4dp"
+                android:paddingBottom="4dp"
+                android:focusable="true"
+                android:visibility="gone"
+                style="?attr/borderlessButtonStyle">
+
+                <ImageView
+                    android:id="@+id/icon"
+                    android:layout_width="24dp"
+                    android:layout_height="24dp"
+                    android:layout_gravity="start|center_vertical"
+                    android:layout_marginEnd="?attr/listPreferredItemPaddingEnd"
+                    android:layout_marginTop="12dp"
+                    android:layout_marginBottom="12dp"
+                    android:scaleType="fitCenter" />
+
+                <TextView
+                    android:id="@id/text1"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="start|center_vertical"
+                    android:layout_marginEnd="?attr/listPreferredItemPaddingEnd"
+                    android:textAppearance="?attr/textAppearanceButton"
+                    android:textColor="?attr/textColorPrimary"
+                    android:minLines="1"
+                    android:maxLines="1"
+                    android:ellipsize="marquee" />
             </LinearLayout>
         </LinearLayout>
 
         <LinearLayout
             android:id="@+id/button_bar"
             android:visibility="gone"
-            style="?android:attr/buttonBarStyle"
+            style="?attr/buttonBarStyle"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_alwaysShow="true"
@@ -104,30 +112,36 @@
             android:paddingEnd="12dp"
             android:background="@color/white"
             android:elevation="8dp">
-            <Button android:id="@+id/button_once"
-                    android:layout_width="wrap_content"
-                    android:layout_gravity="start"
-                    android:maxLines="2"
-                    style="?android:attr/buttonBarNegativeButtonStyle"
-                    android:minHeight="@dimen/alert_dialog_button_bar_height"
-                    android:layout_height="wrap_content"
-                    android:enabled="false"
-                    android:text="@string/activity_resolver_use_once"
-                    android:onClick="onButtonClick" />
-            <Button android:id="@+id/button_always"
-                    android:layout_width="wrap_content"
-                    android:layout_gravity="end"
-                    android:maxLines="2"
-                    android:minHeight="@dimen/alert_dialog_button_bar_height"
-                    style="?android:attr/buttonBarPositiveButtonStyle"
-                    android:layout_height="wrap_content"
-                    android:enabled="false"
-                    android:text="@string/activity_resolver_use_always"
-                    android:onClick="onButtonClick" />
+
+            <Button
+                android:id="@+id/button_once"
+                android:layout_width="wrap_content"
+                android:layout_gravity="start"
+                android:maxLines="2"
+                style="?attr/buttonBarNegativeButtonStyle"
+                android:minHeight="@dimen/alert_dialog_button_bar_height"
+                android:layout_height="wrap_content"
+                android:enabled="false"
+                android:text="@string/activity_resolver_use_once"
+                android:onClick="onButtonClick" />
+
+            <Button
+                android:id="@+id/button_always"
+                android:layout_width="wrap_content"
+                android:layout_gravity="end"
+                android:maxLines="2"
+                android:minHeight="@dimen/alert_dialog_button_bar_height"
+                style="?attr/buttonBarPositiveButtonStyle"
+                android:layout_height="wrap_content"
+                android:enabled="false"
+                android:text="@string/activity_resolver_use_always"
+                android:onClick="onButtonClick" />
         </LinearLayout>
-        <View android:layout_width="match_parent"
-              android:layout_height="1dp"
-              android:background="?android:attr/dividerVertical" />
+
+        <View
+            android:layout_width="match_parent"
+            android:layout_height="1dp"
+            android:background="?attr/dividerVertical" />
     </LinearLayout>
 
     <ListView
@@ -140,6 +154,6 @@
         android:elevation="8dp"
         android:nestedScrollingEnabled="true"
         android:divider="@null"
-        />
+        android:scrollIndicators="top|bottom" />
 
 </com.android.internal.widget.ResolverDrawerLayout>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 2ce555a..2215bd4 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -2420,13 +2420,11 @@
   <java-symbol type="string" name="notification_hidden_text" />
   <java-symbol type="string" name="notification_hidden_by_policy_text" />
   <java-symbol type="id" name="app_name_text" />
-  <java-symbol type="id" name="header_sub_text" />
+  <java-symbol type="id" name="header_text" />
   <java-symbol type="id" name="expand_button" />
   <java-symbol type="id" name="notification_header" />
-  <java-symbol type="id" name="header_content_info" />
   <java-symbol type="id" name="time_divider" />
-  <java-symbol type="id" name="sub_text_divider" />
-  <java-symbol type="id" name="content_info_divider" />
+  <java-symbol type="id" name="header_text_divider" />
   <java-symbol type="id" name="text_line_1" />
   <java-symbol type="drawable" name="ic_expand_notification" />
   <java-symbol type="drawable" name="ic_collapse_notification" />
diff --git a/core/tests/coretests/AndroidManifest.xml b/core/tests/coretests/AndroidManifest.xml
index b7926cf..2452cfd 100644
--- a/core/tests/coretests/AndroidManifest.xml
+++ b/core/tests/coretests/AndroidManifest.xml
@@ -1256,15 +1256,6 @@
         <service android:name="android.os.BinderThreadPriorityService"
                 android:process=":BinderThreadPriorityService" />
 
-        <!-- Used by ApplyOverrideConfigurationTest -->
-        <activity android:name="android.app.activity.ApplyOverrideConfigurationActivity"
-                  android:configChanges="orientation|screenSize">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-                <category android:name="android.intent.category.FRAMEWORK_INSTRUMENTATION_TEST" />
-            </intent-filter>
-        </activity>
-
         <!-- Application components used for search manager tests -->
 
         <activity android:name="android.app.activity.SearchableActivity"
diff --git a/core/tests/coretests/src/android/app/activity/ApplyOverrideConfigurationActivity.java b/core/tests/coretests/src/android/app/activity/ApplyOverrideConfigurationActivity.java
deleted file mode 100644
index 3df522d..0000000
--- a/core/tests/coretests/src/android/app/activity/ApplyOverrideConfigurationActivity.java
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-package android.app.activity;
-
-import android.app.Activity;
-import android.content.Context;
-import android.content.res.Configuration;
-
-public class ApplyOverrideConfigurationActivity extends Activity {
-
-    @Override
-    protected void attachBaseContext(Context newBase) {
-        super.attachBaseContext(newBase);
-
-        Configuration overrideConfig = new Configuration();
-        overrideConfig.smallestScreenWidthDp = ApplyOverrideConfigurationTest.OVERRIDE_WIDTH;
-        applyOverrideConfiguration(overrideConfig);
-    }
-}
diff --git a/core/tests/coretests/src/android/app/activity/ApplyOverrideConfigurationTest.java b/core/tests/coretests/src/android/app/activity/ApplyOverrideConfigurationTest.java
deleted file mode 100644
index 15ed77e..0000000
--- a/core/tests/coretests/src/android/app/activity/ApplyOverrideConfigurationTest.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-package android.app.activity;
-
-import android.app.UiAutomation;
-import android.content.res.Configuration;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-import android.test.ActivityInstrumentationTestCase2;
-
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-@SmallTest
-@RunWith(AndroidJUnit4.class)
-public class ApplyOverrideConfigurationTest extends
-        ActivityInstrumentationTestCase2<ApplyOverrideConfigurationActivity> {
-
-    public static final int OVERRIDE_WIDTH = 9999;
-
-    public ApplyOverrideConfigurationTest() {
-        super(ApplyOverrideConfigurationActivity.class);
-    }
-
-    @Before
-    @Override
-    public void setUp() throws Exception {
-        super.setUp();
-        injectInstrumentation(InstrumentationRegistry.getInstrumentation());
-        getInstrumentation().getUiAutomation().setRotation(UiAutomation.ROTATION_FREEZE_0);
-    }
-
-    @Test
-    public void testConfigurationIsOverriden() throws Exception {
-        Configuration config = getActivity().getResources().getConfiguration();
-        assertEquals(OVERRIDE_WIDTH, config.smallestScreenWidthDp);
-
-        getInstrumentation().getUiAutomation().setRotation(UiAutomation.ROTATION_FREEZE_90);
-
-        config = getActivity().getResources().getConfiguration();
-        assertEquals(OVERRIDE_WIDTH, config.smallestScreenWidthDp);
-    }
-
-    @After
-    @Override
-    public void tearDown() throws Exception {
-        getInstrumentation().getUiAutomation().setRotation(UiAutomation.ROTATION_UNFREEZE);
-        super.tearDown();
-    }
-}
diff --git a/core/tests/coretests/src/android/widget/SuggestionsPopupWindowTest.java b/core/tests/coretests/src/android/widget/SuggestionsPopupWindowTest.java
index 59ffd56..eafe427 100644
--- a/core/tests/coretests/src/android/widget/SuggestionsPopupWindowTest.java
+++ b/core/tests/coretests/src/android/widget/SuggestionsPopupWindowTest.java
@@ -16,13 +16,35 @@
 
 package android.widget;
 
-import android.app.Activity;
+import static android.support.test.espresso.Espresso.onView;
+import static android.support.test.espresso.Espresso.pressBack;
+import static android.support.test.espresso.action.ViewActions.clearText;
+import static android.support.test.espresso.action.ViewActions.click;
+import static android.support.test.espresso.action.ViewActions.replaceText;
+import static android.support.test.espresso.assertion.ViewAssertions.matches;
+import static android.support.test.espresso.matcher.RootMatchers.withDecorView;
+import static android.support.test.espresso.matcher.ViewMatchers.withId;
+import static android.support.test.espresso.matcher.ViewMatchers.withText;
+import static android.widget.espresso.DragHandleUtils.onHandleView;
+import static android.widget.espresso.FloatingToolbarEspressoUtils.assertFloatingToolbarContainsItem;
+import static android.widget.espresso.FloatingToolbarEspressoUtils.clickFloatingToolbarItem;
+import static android.widget.espresso.FloatingToolbarEspressoUtils.sleepForFloatingToolbarPopup;
+import static android.widget.espresso.SuggestionsPopupwindowUtils.assertSuggestionsPopupContainsItem;
+import static android.widget.espresso.SuggestionsPopupwindowUtils.assertSuggestionsPopupIsDisplayed;
+import static android.widget.espresso.SuggestionsPopupwindowUtils.assertSuggestionsPopupIsNotDisplayed;
+import static android.widget.espresso.SuggestionsPopupwindowUtils.clickSuggestionsPopupItem;
+import static android.widget.espresso.SuggestionsPopupwindowUtils.onSuggestionsPopup;
+import static android.widget.espresso.TextViewActions.clickOnTextAtIndex;
+import static android.widget.espresso.TextViewActions.longPressOnTextAtIndex;
+import static org.hamcrest.Matchers.is;
 import android.content.res.TypedArray;
+import android.support.test.espresso.NoMatchingViewException;
+import android.support.test.espresso.ViewAssertion;
 import android.test.ActivityInstrumentationTestCase2;
 import android.test.suitebuilder.annotation.SmallTest;
 import android.test.suitebuilder.annotation.Suppress;
 import android.text.Selection;
-import android.text.SpannableStringBuilder;
+import android.text.Spannable;
 import android.text.Spanned;
 import android.text.TextPaint;
 import android.text.style.SuggestionSpan;
@@ -42,55 +64,215 @@
         super(TextViewActivity.class);
     }
 
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        getActivity();
+    }
+
+    private void setSuggestionSpan(SuggestionSpan span, int start, int end) {
+        final TextView textView = (TextView) getActivity().findViewById(R.id.textview);
+        textView.post(
+                () -> {
+                    final Spannable text = (Spannable) textView.getText();
+                    text.setSpan(span, start, end, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+                    Selection.setSelection(text, (start + end) / 2);
+                });
+        getInstrumentation().waitForIdleSync();
+    }
+
     @SmallTest
-    @Suppress
+    public void testOnTextContextMenuItem() {
+        final String text = "abc def ghi";
+
+        onView(withId(R.id.textview)).perform(click());
+        onView(withId(R.id.textview)).perform(replaceText(text));
+
+        final SuggestionSpan suggestionSpan = new SuggestionSpan(getActivity(),
+                new String[]{"DEF", "Def"}, SuggestionSpan.FLAG_AUTO_CORRECTION);
+        setSuggestionSpan(suggestionSpan, text.indexOf('d'), text.indexOf('f') + 1);
+
+        final TextView textView = (TextView) getActivity().findViewById(R.id.textview);
+        textView.post(() -> textView.onTextContextMenuItem(TextView.ID_REPLACE));
+        getInstrumentation().waitForIdleSync();
+
+        assertSuggestionsPopupIsDisplayed();
+    }
+
+    @SmallTest
+    public void testSelectionActionMode() {
+        final String text = "abc def ghi";
+
+        onView(withId(R.id.textview)).perform(click());
+        onView(withId(R.id.textview)).perform(replaceText(text));
+
+        final SuggestionSpan suggestionSpan = new SuggestionSpan(getActivity(),
+                new String[]{"DEF", "Def"}, SuggestionSpan.FLAG_AUTO_CORRECTION);
+        setSuggestionSpan(suggestionSpan, text.indexOf('d'), text.indexOf('f') + 1);
+
+        onView(withId(R.id.textview)).perform(longPressOnTextAtIndex(text.indexOf('e')));
+        sleepForFloatingToolbarPopup();
+        assertFloatingToolbarContainsItem(
+                getActivity().getString(com.android.internal.R.string.replace));
+        sleepForFloatingToolbarPopup();
+        clickFloatingToolbarItem(
+                getActivity().getString(com.android.internal.R.string.replace));
+
+        assertSuggestionsPopupIsDisplayed();
+    }
+
+    @SmallTest
+    public void testInsertionActionMode() {
+        final String text = "abc def ghi";
+
+        onView(withId(R.id.textview)).perform(click());
+        onView(withId(R.id.textview)).perform(replaceText(text));
+
+        final SuggestionSpan suggestionSpan = new SuggestionSpan(getActivity(),
+                new String[]{"DEF", "Def"}, SuggestionSpan.FLAG_AUTO_CORRECTION);
+        setSuggestionSpan(suggestionSpan, text.indexOf('d'), text.indexOf('f') + 1);
+
+        onView(withId(R.id.textview)).perform(clickOnTextAtIndex(text.indexOf('e')));
+        onHandleView(com.android.internal.R.id.insertion_handle).perform(click());
+        sleepForFloatingToolbarPopup();
+        assertFloatingToolbarContainsItem(
+                getActivity().getString(com.android.internal.R.string.replace));
+        clickFloatingToolbarItem(
+                getActivity().getString(com.android.internal.R.string.replace));
+
+        assertSuggestionsPopupIsDisplayed();
+    }
+
+    private void showSuggestionsPopup() {
+        final TextView textView = (TextView) getActivity().findViewById(R.id.textview);
+        textView.post(() -> textView.onTextContextMenuItem(TextView.ID_REPLACE));
+        getInstrumentation().waitForIdleSync();
+        assertSuggestionsPopupIsDisplayed();
+    }
+
+    @SmallTest
+    public void testSuggestionItems() {
+        final String text = "abc def ghi";
+
+        onView(withId(R.id.textview)).perform(click());
+        onView(withId(R.id.textview)).perform(replaceText(text));
+
+        final SuggestionSpan suggestionSpan = new SuggestionSpan(getActivity(),
+                new String[]{"DEF", "Def"}, SuggestionSpan.FLAG_AUTO_CORRECTION);
+        setSuggestionSpan(suggestionSpan, text.indexOf('d'), text.indexOf('f') + 1);
+
+        showSuggestionsPopup();
+
+        assertSuggestionsPopupIsDisplayed();
+        assertSuggestionsPopupContainsItem("DEF");
+        assertSuggestionsPopupContainsItem("Def");
+        assertSuggestionsPopupContainsItem(
+                getActivity().getString(com.android.internal.R.string.delete));
+
+        // Select an item.
+        clickSuggestionsPopupItem("DEF");
+        assertSuggestionsPopupIsNotDisplayed();
+        onView(withId(R.id.textview)).check(matches(withText("abc DEF ghi")));
+
+        showSuggestionsPopup();
+        assertSuggestionsPopupIsDisplayed();
+        assertSuggestionsPopupContainsItem("def");
+        assertSuggestionsPopupContainsItem("Def");
+        assertSuggestionsPopupContainsItem(
+                getActivity().getString(com.android.internal.R.string.delete));
+
+        // Delete
+        clickSuggestionsPopupItem(
+                getActivity().getString(com.android.internal.R.string.delete));
+        assertSuggestionsPopupIsNotDisplayed();
+        onView(withId(R.id.textview)).check(matches(withText("abc ghi")));
+    }
+
+    @SmallTest
+    public void testMisspelled() {
+        final String text = "abc def ghi";
+
+        onView(withId(R.id.textview)).perform(click());
+        onView(withId(R.id.textview)).perform(replaceText(text));
+
+        final SuggestionSpan suggestionSpan = new SuggestionSpan(getActivity(),
+                new String[]{"DEF", "Def"}, SuggestionSpan.FLAG_MISSPELLED);
+        setSuggestionSpan(suggestionSpan, text.indexOf('d'), text.indexOf('f') + 1);
+
+        showSuggestionsPopup();
+
+        assertSuggestionsPopupIsDisplayed();
+        assertSuggestionsPopupContainsItem("DEF");
+        assertSuggestionsPopupContainsItem("Def");
+        assertSuggestionsPopupContainsItem(
+                getActivity().getString(com.android.internal.R.string.addToDictionary));
+        assertSuggestionsPopupContainsItem(
+                getActivity().getString(com.android.internal.R.string.delete));
+
+        // Click "Add to dictionary".
+        clickSuggestionsPopupItem(
+                getActivity().getString(com.android.internal.R.string.addToDictionary));
+        // TODO: Check if add to dictionary dialog is displayed.
+    }
+
+    @SmallTest
+    public void testEasyCorrect() {
+        final String text = "abc def ghi";
+
+        onView(withId(R.id.textview)).perform(click());
+        onView(withId(R.id.textview)).perform(replaceText(text));
+
+        final SuggestionSpan suggestionSpan = new SuggestionSpan(getActivity(),
+                new String[]{"DEF", "Def"},
+                SuggestionSpan.FLAG_EASY_CORRECT | SuggestionSpan.FLAG_MISSPELLED);
+        setSuggestionSpan(suggestionSpan, text.indexOf('d'), text.indexOf('f') + 1);
+
+        onView(withId(R.id.textview)).perform(clickOnTextAtIndex(text.indexOf('e')));
+
+        assertSuggestionsPopupIsDisplayed();
+        assertSuggestionsPopupContainsItem("DEF");
+        assertSuggestionsPopupContainsItem("Def");
+        assertSuggestionsPopupContainsItem(
+                getActivity().getString(com.android.internal.R.string.delete));
+
+        // Select an item.
+        clickSuggestionsPopupItem("DEF");
+        assertSuggestionsPopupIsNotDisplayed();
+        onView(withId(R.id.textview)).check(matches(withText("abc DEF ghi")));
+
+        onView(withId(R.id.textview)).perform(clickOnTextAtIndex(text.indexOf('e')));
+        assertSuggestionsPopupIsNotDisplayed();
+
+        showSuggestionsPopup();
+        assertSuggestionsPopupIsDisplayed();
+        assertSuggestionsPopupContainsItem("def");
+        assertSuggestionsPopupContainsItem("Def");
+        assertSuggestionsPopupContainsItem(
+                getActivity().getString(com.android.internal.R.string.delete));
+    }
+
+    @SmallTest
     public void testTextAppearanceInSuggestionsPopup() {
-        final Activity activity = getActivity();
+        final String text = "abc def ghi";
 
-        final String sampleText = "abc def ghi";
         final String[] singleWordCandidates = {"DEF", "Def"};
-        final SuggestionSpan singleWordSuggestionSpan = new SuggestionSpan(activity,
-                singleWordCandidates, SuggestionSpan.FLAG_AUTO_CORRECTION);
-        final int singleWordSpanStart = 4;
-        final int singleWordSpanEnd = 7;
-
+        final SuggestionSpan suggestionSpan = new SuggestionSpan(getActivity(),
+                singleWordCandidates, SuggestionSpan.FLAG_MISSPELLED);
         final String[] multiWordCandidates = {"ABC DEF GHI", "Abc Def Ghi"};
-        final SuggestionSpan multiWordSuggestionSpan = new SuggestionSpan(activity,
-                multiWordCandidates, SuggestionSpan.FLAG_AUTO_CORRECTION);
-        final int multiWordSpanStart = 0;
-        final int multiWordSpanEnd = 11;
+        final SuggestionSpan multiWordSuggestionSpan = new SuggestionSpan(getActivity(),
+                multiWordCandidates, SuggestionSpan.FLAG_MISSPELLED);
 
-        TypedArray array = activity.obtainStyledAttributes(com.android.internal.R.styleable.Theme);
-        int id = array.getResourceId(
+        final TypedArray array =
+                getActivity().obtainStyledAttributes(com.android.internal.R.styleable.Theme);
+        final int id = array.getResourceId(
                 com.android.internal.R.styleable.Theme_textEditSuggestionHighlightStyle, 0);
         array.recycle();
-
-        TextAppearanceSpan expectedSpan = new TextAppearanceSpan(activity, id);
-        TextPaint tmpTp = new TextPaint();
+        final TextAppearanceSpan expectedSpan = new TextAppearanceSpan(getActivity(), id);
+        final TextPaint tmpTp = new TextPaint();
         expectedSpan.updateDrawState(tmpTp);
         final int expectedHighlightTextColor = tmpTp.getColor();
         final float expectedHighlightTextSize = tmpTp.getTextSize();
-
-        final EditText editText = (EditText) activity.findViewById(R.id.textview);
-        final Editor editor = editText.getEditorForTesting();
-        assertNotNull(editor);
-
-        // Request to show SuggestionsPopupWindow.
-        Runnable showSuggestionWindowRunner = new Runnable() {
-            @Override
-            public void run() {
-                SpannableStringBuilder ssb = new SpannableStringBuilder();
-                ssb.append(sampleText);
-                ssb.setSpan(singleWordSuggestionSpan, singleWordSpanStart, singleWordSpanEnd,
-                        Spanned.SPAN_INCLUSIVE_INCLUSIVE);
-                ssb.setSpan(multiWordSuggestionSpan, multiWordSpanStart, multiWordSpanEnd,
-                        Spanned.SPAN_INCLUSIVE_INCLUSIVE);
-                editText.setText(ssb);
-
-                Selection.setSelection(editText.getText(), singleWordSpanStart, singleWordSpanEnd);
-                editText.onTextContextMenuItem(TextView.ID_REPLACE);
-            }
-        };
+        final TextView textView = (TextView) getActivity().findViewById(R.id.textview);
 
         // In this test, the SuggestionsPopupWindow looks like
         //   abc def ghi
@@ -103,96 +285,74 @@
         // | DELETE        |
         // -----------------
         // *XX* means that XX is highlighted.
-        Runnable popupVaridator = new Runnable() {
-            @Override
-            public void run() {
-                Editor.SuggestionsPopupWindow popupWindow =
-                        editor.getSuggestionsPopupWindowForTesting();
-                assertNotNull(popupWindow);
+        for (int i = 0; i < 2; i++) {
+            onView(withId(R.id.textview)).perform(click());
+            onView(withId(R.id.textview)).perform(replaceText(text));
+            setSuggestionSpan(suggestionSpan, text.indexOf('d'), text.indexOf('f') + 1);
+            setSuggestionSpan(multiWordSuggestionSpan, 0, text.length());
 
-                LinearLayout linearLayout = (LinearLayout) popupWindow.getContentViewForTesting();
-                assertNotNull(linearLayout);
+            showSuggestionsPopup();
+            assertSuggestionsPopupIsDisplayed();
+            assertSuggestionsPopupContainsItem("abc DEF ghi");
+            assertSuggestionsPopupContainsItem("abc Def ghi");
+            assertSuggestionsPopupContainsItem("ABC DEF GHI");
+            assertSuggestionsPopupContainsItem("Abc Def Ghi");
+            assertSuggestionsPopupContainsItem(
+                    getActivity().getString(com.android.internal.R.string.delete));
 
-                ListView listView = (ListView)linearLayout.findViewById(
-                        com.android.internal.R.id.suggestionContainer);
-                assertNotNull(listView);
+            onSuggestionsPopup().check(new ViewAssertion() {
+                @Override
+                public void check(View view, NoMatchingViewException e) {
+                    final ListView listView = (ListView) view.findViewById(
+                            com.android.internal.R.id.suggestionContainer);
+                    assertNotNull(listView);
+                    final int childNum = listView.getChildCount();
+                    assertEquals(singleWordCandidates.length + multiWordCandidates.length,
+                            childNum);
 
-                int childNum = listView.getChildCount();
-                assertEquals(singleWordCandidates.length + multiWordCandidates.length, childNum);
+                    for (int j = 0; j < childNum; j++) {
+                        final TextView suggestion = (TextView) listView.getChildAt(j);
+                        assertNotNull(suggestion);
+                        final Spanned spanned = (Spanned) suggestion.getText();
+                        assertNotNull(spanned);
 
-                for (int i = 0; i < singleWordCandidates.length; ++i) {
-                    TextView textView = (TextView) listView.getChildAt(i);
-                    assertNotNull(textView);
+                        // Check that the suggestion item order is kept.
+                        final String expectedText;
+                        if (j < singleWordCandidates.length) {
+                            expectedText = "abc " + singleWordCandidates[j] + " ghi";
+                        } else {
+                            expectedText = multiWordCandidates[j - singleWordCandidates.length];
+                        }
+                        assertEquals(expectedText, spanned.toString());
 
-                    Spanned spanned = (Spanned) textView.getText();
-                    assertNotNull(spanned);
+                        // Check that the text is highlighted with correct color and text size.
+                        final TextAppearanceSpan[] taSpan = spanned.getSpans(
+                                text.indexOf('d'), text.indexOf('f') + 1, TextAppearanceSpan.class);
+                        assertEquals(1, taSpan.length);
+                        TextPaint tp = new TextPaint();
+                        taSpan[0].updateDrawState(tp);
+                        assertEquals(expectedHighlightTextColor, tp.getColor());
+                        assertEquals(expectedHighlightTextSize, tp.getTextSize());
 
-                    // Check that the suggestion item order is kept.
-                    String expectedText = "abc " + singleWordCandidates[i] + " ghi";
-                    assertEquals(expectedText, spanned.toString());
-
-                    // Check that the text is highlighted with correct color and text size.
-                    TextAppearanceSpan[] taSpan = spanned.getSpans(singleWordSpanStart,
-                            singleWordSpanEnd, TextAppearanceSpan.class);
-                    assertEquals(1, taSpan.length);
-                    TextPaint tp = new TextPaint();
-                    taSpan[0].updateDrawState(tp);
-                    assertEquals(expectedHighlightTextColor, tp.getColor());
-                    assertEquals(expectedHighlightTextSize, tp.getTextSize());
-
-                    // Check only center word is highlighted.
-                    assertEquals(singleWordSpanStart, spanned.getSpanStart(taSpan[0]));
-                    assertEquals(singleWordSpanEnd, spanned.getSpanEnd(taSpan[0]));
+                        // Check the correct part of the text is highlighted.
+                        final int expectedStart;
+                        final int expectedEnd;
+                        if (j < singleWordCandidates.length) {
+                            expectedStart = text.indexOf('d');
+                            expectedEnd = text.indexOf('f') + 1;
+                        } else {
+                            expectedStart = 0;
+                            expectedEnd = text.length();
+                        }
+                        assertEquals(expectedStart, spanned.getSpanStart(taSpan[0]));
+                        assertEquals(expectedEnd, spanned.getSpanEnd(taSpan[0]));
+                    }
                 }
-
-                for (int i = 0; i < multiWordCandidates.length; ++i) {
-                    int indexInListView = singleWordCandidates.length + i;
-                    TextView textView = (TextView) listView.getChildAt(indexInListView);
-                    assertNotNull(textView);
-
-                    Spanned spanned = (Spanned) textView.getText();
-                    assertNotNull(spanned);
-
-                    // Check that the suggestion item order is kept.
-                    assertEquals(multiWordCandidates[i], spanned.toString());
-
-                    // Check that the text is highlighted with correct color and text size.
-                    TextAppearanceSpan[] taSpan = spanned.getSpans(
-                            0, multiWordCandidates[i].length(), TextAppearanceSpan.class);
-                    assertEquals(1, taSpan.length);
-                    TextPaint tp = new TextPaint();
-                    taSpan[0].updateDrawState(tp);
-                    assertEquals(expectedHighlightTextColor, tp.getColor());
-                    assertEquals(expectedHighlightTextSize, tp.getTextSize());
-
-                    // Check the whole text is highlighted.
-                    assertEquals(multiWordSpanStart, spanned.getSpanStart(taSpan[0]));
-                    assertEquals(multiWordSpanEnd, spanned.getSpanEnd(taSpan[0]));
-                }
-
-                TextView deleteButton = (TextView)linearLayout.findViewById(
-                        com.android.internal.R.id.deleteButton);
-                assertEquals(View.VISIBLE, deleteButton.getWindowVisibility());
-            }
-        };
-
-        // Show the SuggestionWindow and verify the contents.
-        activity.runOnUiThread(showSuggestionWindowRunner);
-        getInstrumentation().waitForIdleSync();
-        activity.runOnUiThread(popupVaridator);
-
-        // Request to hide the SuggestionPopupWindow and wait until it is hidden.
-        activity.runOnUiThread(new Runnable() {
-            @Override
-            public void run() {
-                editText.setText("");
-            }
-        });
-        getInstrumentation().waitForIdleSync();
-
-        // Show and verify the contents again.
-        activity.runOnUiThread(showSuggestionWindowRunner);
-        getInstrumentation().waitForIdleSync();
-        activity.runOnUiThread(popupVaridator);
+            });
+            pressBack();
+            onView(withId(R.id.textview))
+                    .inRoot(withDecorView(is(getActivity().getWindow().getDecorView())))
+                    .perform(clearText());
+        }
     }
 }
diff --git a/core/tests/coretests/src/android/widget/TextViewActivityMouseTest.java b/core/tests/coretests/src/android/widget/TextViewActivityMouseTest.java
index 923b829..edb749b95 100644
--- a/core/tests/coretests/src/android/widget/TextViewActivityMouseTest.java
+++ b/core/tests/coretests/src/android/widget/TextViewActivityMouseTest.java
@@ -16,6 +16,10 @@
 
 package android.widget;
 
+
+import static android.widget.espresso.ContextMenuUtils.assertContextMenuContainsItemDisabled;
+import static android.widget.espresso.ContextMenuUtils.assertContextMenuContainsItemEnabled;
+import static android.widget.espresso.ContextMenuUtils.assertContextMenuIsNotDisplayed;
 import static android.widget.espresso.DragHandleUtils.assertNoSelectionHandles;
 import static android.widget.espresso.DragHandleUtils.onHandleView;
 import static android.widget.espresso.TextViewActions.mouseClickOnTextAtIndex;
@@ -41,11 +45,9 @@
 
 import com.android.frameworks.coretests.R;
 
-import android.support.test.espresso.Espresso;
 import android.test.ActivityInstrumentationTestCase2;
 import android.test.suitebuilder.annotation.SmallTest;
 import android.view.MotionEvent;
-import android.widget.espresso.ContextMenuUtils;
 
 /**
  * Tests mouse interaction of the TextView widget from an Activity
@@ -57,7 +59,8 @@
     }
 
     @Override
-    public void setUp() {
+    public void setUp() throws Exception {
+        super.setUp();
         getActivity();
     }
 
@@ -102,28 +105,28 @@
         onView(withId(R.id.textview)).perform(click());
         onView(withId(R.id.textview)).perform(typeTextIntoFocusedView(text));
 
-        ContextMenuUtils.assertContextMenuIsNotDisplayed();
+        assertContextMenuIsNotDisplayed();
 
         onView(withId(R.id.textview)).perform(
                 mouseClickOnTextAtIndex(text.indexOf("d"), MotionEvent.BUTTON_SECONDARY));
 
-        ContextMenuUtils.assertContextMenuContainsItemDisabled(
+        assertContextMenuContainsItemDisabled(
                 getActivity().getString(com.android.internal.R.string.copy));
-        ContextMenuUtils.assertContextMenuContainsItemEnabled(
+        assertContextMenuContainsItemEnabled(
                 getActivity().getString(com.android.internal.R.string.undo));
 
         // Hide context menu.
         pressBack();
-        ContextMenuUtils.assertContextMenuIsNotDisplayed();
+        assertContextMenuIsNotDisplayed();
 
         onView(withId(R.id.textview)).perform(
                 mouseDragOnText(text.indexOf("c"), text.indexOf("h")));
         onView(withId(R.id.textview)).perform(
                 mouseClickOnTextAtIndex(text.indexOf("d"), MotionEvent.BUTTON_SECONDARY));
 
-        ContextMenuUtils.assertContextMenuContainsItemEnabled(
+        assertContextMenuContainsItemEnabled(
                 getActivity().getString(com.android.internal.R.string.copy));
-        ContextMenuUtils.assertContextMenuContainsItemEnabled(
+        assertContextMenuContainsItemEnabled(
                 getActivity().getString(com.android.internal.R.string.undo));
 
         // Hide context menu.
@@ -133,9 +136,9 @@
 
         onView(withId(R.id.textview)).perform(
                 mouseClickOnTextAtIndex(text.indexOf("i"), MotionEvent.BUTTON_SECONDARY));
-        ContextMenuUtils.assertContextMenuContainsItemDisabled(
+        assertContextMenuContainsItemDisabled(
                 getActivity().getString(com.android.internal.R.string.copy));
-        ContextMenuUtils.assertContextMenuContainsItemEnabled(
+        assertContextMenuContainsItemEnabled(
                 getActivity().getString(com.android.internal.R.string.undo));
 
         // Hide context menu.
diff --git a/core/tests/coretests/src/android/widget/TextViewActivityTest.java b/core/tests/coretests/src/android/widget/TextViewActivityTest.java
index ecf88f1..67ffd2b 100644
--- a/core/tests/coretests/src/android/widget/TextViewActivityTest.java
+++ b/core/tests/coretests/src/android/widget/TextViewActivityTest.java
@@ -19,7 +19,6 @@
 import static android.support.test.espresso.action.ViewActions.longClick;
 import static android.widget.espresso.DragHandleUtils.assertNoSelectionHandles;
 import static android.widget.espresso.DragHandleUtils.onHandleView;
-import static android.widget.espresso.FloatingToolbarEspressoUtils.onFloatingToolBarItem;
 import static android.widget.espresso.TextViewActions.clickOnTextAtIndex;
 import static android.widget.espresso.TextViewActions.doubleTapAndDragOnText;
 import static android.widget.espresso.TextViewActions.doubleClickOnTextAtIndex;
@@ -31,9 +30,10 @@
 import static android.widget.espresso.TextViewAssertions.hasSelection;
 import static android.widget.espresso.FloatingToolbarEspressoUtils.assertFloatingToolbarIsDisplayed;
 import static android.widget.espresso.FloatingToolbarEspressoUtils.assertFloatingToolbarIsNotDisplayed;
-import static android.widget.espresso.FloatingToolbarEspressoUtils.sleepForFloatingToolbarPopup;
 import static android.widget.espresso.FloatingToolbarEspressoUtils.assertFloatingToolbarContainsItem;
 import static android.widget.espresso.FloatingToolbarEspressoUtils.assertFloatingToolbarDoesNotContainItem;
+import static android.widget.espresso.FloatingToolbarEspressoUtils.clickFloatingToolbarItem;
+import static android.widget.espresso.FloatingToolbarEspressoUtils.sleepForFloatingToolbarPopup;
 import static android.support.test.espresso.Espresso.onView;
 import static android.support.test.espresso.action.ViewActions.click;
 import static android.support.test.espresso.action.ViewActions.pressKey;
@@ -67,7 +67,8 @@
     }
 
     @Override
-    public void setUp() {
+    public void setUp() throws Exception {
+        super.setUp();
         getActivity();
     }
 
@@ -256,7 +257,8 @@
 
         onView(withId(R.id.textview)).perform(typeTextIntoFocusedView("test"));
         onView(withId(R.id.textview)).perform(longPressOnTextAtIndex(1));
-        onFloatingToolBarItem(withText(com.android.internal.R.string.cut)).perform(click());
+        clickFloatingToolbarItem(
+                getActivity().getString(com.android.internal.R.string.cut));
         onView(withId(R.id.textview)).perform(longClick());
         sleepForFloatingToolbarPopup();
 
diff --git a/core/tests/coretests/src/android/widget/espresso/FloatingToolbarEspressoUtils.java b/core/tests/coretests/src/android/widget/espresso/FloatingToolbarEspressoUtils.java
index 0f7f359..838f4db 100644
--- a/core/tests/coretests/src/android/widget/espresso/FloatingToolbarEspressoUtils.java
+++ b/core/tests/coretests/src/android/widget/espresso/FloatingToolbarEspressoUtils.java
@@ -17,6 +17,7 @@
 package android.widget.espresso;
 
 import static android.support.test.espresso.Espresso.onView;
+import static android.support.test.espresso.action.ViewActions.click;
 import static android.support.test.espresso.assertion.ViewAssertions.matches;
 import static android.support.test.espresso.matcher.RootMatchers.withDecorView;
 import static android.support.test.espresso.matcher.ViewMatchers.hasDescendant;
@@ -24,6 +25,7 @@
 import static android.support.test.espresso.matcher.ViewMatchers.isRoot;
 import static android.support.test.espresso.matcher.ViewMatchers.withTagValue;
 import static android.support.test.espresso.matcher.ViewMatchers.withId;
+import static android.support.test.espresso.matcher.ViewMatchers.withText;
 import static org.hamcrest.Matchers.allOf;
 import static org.hamcrest.Matchers.is;
 
@@ -34,8 +36,6 @@
 import android.support.test.espresso.UiController;
 import android.support.test.espresso.ViewAction;
 import android.support.test.espresso.ViewInteraction;
-import android.support.test.espresso.action.ViewActions;
-import android.support.test.espresso.matcher.ViewMatchers;
 import android.view.View;
 
 import com.android.internal.widget.FloatingToolbar;
@@ -90,7 +90,7 @@
         final int id = com.android.internal.R.id.overflow;
         onView(allOf(withId(id), isDisplayed()))
                 .inRoot(withDecorView(hasDescendant(withId(id))))
-                .perform(ViewActions.click());
+                .perform(click());
         onView(isRoot()).perform(SLEEP);
     }
 
@@ -106,7 +106,7 @@
      */
     public static void assertFloatingToolbarContainsItem(String itemLabel) {
         try{
-            onFloatingToolBar().check(matches(hasDescendant(ViewMatchers.withText(itemLabel))));
+            onFloatingToolBar().check(matches(hasDescendant(withText(itemLabel))));
         } catch (AssertionError e) {
             try{
                 toggleOverflow();
@@ -115,7 +115,7 @@
                 throw e;
             }
             try{
-                onFloatingToolBar().check(matches(hasDescendant(ViewMatchers.withText(itemLabel))));
+                onFloatingToolBar().check(matches(hasDescendant(withText(itemLabel))));
             } finally {
                 toggleOverflow();
             }
@@ -138,6 +138,21 @@
     }
 
     /**
+     * Click specified item on the floating tool bar.
+     *
+     * @param itemLabel label of the item.
+     */
+    public static void clickFloatingToolbarItem(String itemLabel) {
+        try{
+            onFloatingToolBarItem(withText(itemLabel)).check(matches(isDisplayed()));
+        } catch (AssertionError e) {
+            // Try to find the item in the overflow menu.
+            toggleOverflow();
+        }
+        onFloatingToolBarItem(withText(itemLabel)).perform(click());
+    }
+
+    /**
      * ViewAction to sleep to wait floating toolbar's animation.
      */
     private static final ViewAction SLEEP = new ViewAction() {
diff --git a/core/tests/coretests/src/android/widget/espresso/SuggestionsPopupwindowUtils.java b/core/tests/coretests/src/android/widget/espresso/SuggestionsPopupwindowUtils.java
new file mode 100644
index 0000000..b5a96ae
--- /dev/null
+++ b/core/tests/coretests/src/android/widget/espresso/SuggestionsPopupwindowUtils.java
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package android.widget.espresso;
+
+import static android.support.test.espresso.Espresso.onView;
+import static android.support.test.espresso.assertion.ViewAssertions.matches;
+import static android.support.test.espresso.matcher.RootMatchers.withDecorView;
+import static android.support.test.espresso.matcher.ViewMatchers.hasDescendant;
+import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;
+import static android.support.test.espresso.matcher.ViewMatchers.withId;
+import static android.support.test.espresso.matcher.ViewMatchers.withText;
+
+import org.hamcrest.Matcher;
+
+import android.support.test.espresso.NoMatchingRootException;
+import android.support.test.espresso.NoMatchingViewException;
+import android.support.test.espresso.UiController;
+import android.support.test.espresso.ViewAction;
+import android.support.test.espresso.ViewInteraction;
+import android.support.test.espresso.action.GeneralLocation;
+import android.support.test.espresso.action.Press;
+import android.support.test.espresso.action.Tap;
+import android.view.View;
+
+public final class SuggestionsPopupwindowUtils {
+    private static final int id = com.android.internal.R.id.suggestionWindowContainer;
+
+    private SuggestionsPopupwindowUtils() {};
+
+    public static ViewInteraction onSuggestionsPopup() {
+        return onView(withId(id)).inRoot(withDecorView(hasDescendant(withId(id))));
+    }
+
+    private static ViewInteraction onSuggestionsPopupItem(Matcher<View> matcher) {
+        return onView(matcher).inRoot(withDecorView(hasDescendant(withId(id))));
+    }
+
+    /**
+     * Asserts that the suggestions popup is displayed on screen.
+     *
+     * @throws AssertionError if the assertion fails
+     */
+    public static void assertSuggestionsPopupIsDisplayed() {
+        onSuggestionsPopup().check(matches(isDisplayed()));
+    }
+
+    /**
+     * Asserts that the suggestions popup is not displayed on screen.
+     *
+     * @throws AssertionError if the assertion fails
+     */
+    public static void assertSuggestionsPopupIsNotDisplayed() {
+        try {
+            onSuggestionsPopup().check(matches(isDisplayed()));
+        } catch (NoMatchingRootException | NoMatchingViewException | AssertionError e) {
+            return;
+        }
+        throw new AssertionError("Suggestions popup is displayed");
+    }
+
+    /**
+     * Asserts that the suggestions popup contains the specified item.
+     *
+     * @param itemLabel label of the item.
+     * @throws AssertionError if the assertion fails
+     */
+    public static void assertSuggestionsPopupContainsItem(String itemLabel) {
+        onSuggestionsPopupItem(withText(itemLabel)).check(matches(isDisplayed()));
+    }
+
+    /**
+     * Click on the specified item in the suggestions popup.
+     *
+     * @param itemLabel label of the item.
+     */
+    public static void clickSuggestionsPopupItem(String itemLabel) {
+        onSuggestionsPopupItem(withText(itemLabel)).perform(new SuggestionItemClickAction());
+    }
+
+    /**
+     * Click action to avoid checking ViewClickAction#getConstraints().
+     * TODO: Use Espresso.onData instead of this.
+     */
+    private static final class SuggestionItemClickAction implements ViewAction {
+        private final ViewClickAction mViewClickAction;
+
+        public SuggestionItemClickAction() {
+            mViewClickAction =
+                    new ViewClickAction(Tap.SINGLE, GeneralLocation.VISIBLE_CENTER, Press.FINGER);
+        }
+
+        @Override
+        public Matcher<View> getConstraints() {
+            return isDisplayed();
+        }
+
+        @Override
+        public String getDescription() {
+            return mViewClickAction.getDescription();
+        }
+
+        @Override
+        public void perform(UiController uiController, View view) {
+            mViewClickAction.perform(uiController, view);
+        }
+    }
+}
diff --git a/location/java/android/location/GnssClock.java b/location/java/android/location/GnssClock.java
index df42a73..d1b1be9 100644
--- a/location/java/android/location/GnssClock.java
+++ b/location/java/android/location/GnssClock.java
@@ -22,7 +22,8 @@
 
 /**
  * A class containing a GPS clock timestamp.
- * It represents a measurement of the GPS receiver's clock.
+ *
+ * <p>It represents a measurement of the GPS receiver's clock.
  */
 public final class GnssClock implements Parcelable {
     // The following enumerations must be in sync with the values declared in gps.h
@@ -85,7 +86,7 @@
     }
 
     /**
-     * Returns true if {@link #getLeapSecond()} is available, false otherwise.
+     * Returns {@code true} if {@link #getLeapSecond()} is available, {@code false} otherwise.
      */
     public boolean hasLeapSecond() {
         return isFlagSet(HAS_LEAP_SECOND);
@@ -93,10 +94,12 @@
 
     /**
      * Gets the leap second associated with the clock's time.
-     * The sign of the value is defined by the following equation:
-     *      utc_time_ns = time_ns + (full_bias_ns + bias_ns) - leap_second * 1,000,000,000
      *
-     * The value is only available if {@link #hasLeapSecond()} is true.
+     * <p>The sign of the value is defined by the following equation:
+     * <pre>
+     *     UtcTimeNanos = TimeNanos + (FullBiasNanos + BiasNanos) - LeapSecond * 1,000,000,000</pre>
+     *
+     * <p>The value is only available if {@link #hasLeapSecond()} is {@code true}.
      */
     public int getLeapSecond() {
         return mLeapSecond;
@@ -123,18 +126,15 @@
     }
 
     /**
-     * Gets the GNSS receiver internal clock value in nanoseconds.
+     * Gets the GNSS receiver internal hardware clock value in nanoseconds.
      *
-     * For 'local hardware clock' this value is expected to be monotonically increasing during the
-     * reporting session. The real GPS time can be derived by compensating
-     * {@link #getFullBiasNanos()} (when it is available) from this value.
+     * <p>This value is expected to be monotonically increasing while the hardware clock remains
+     * powered on. For the case of a hardware clock that is not continuously on, see the
+     * {@link #getHardwareClockDiscontinuityCount} field. The GPS time can be derived by adding
+     * {@link #getFullBiasNanos()} and {@link #getBiasNanos()} (when they are available) to this
+     * value. Sub-nanosecond accuracy can be provided by means of {@link #getBiasNanos()}.
      *
-     * For 'GPS time' this value is expected to be the best estimation of current GPS time that GPS
-     * receiver can achieve. {@link #getTimeUncertaintyNanos()} should be available when GPS time is
-     * specified.
-     *
-     * Sub-nanosecond accuracy can be provided by means of {@link #getBiasNanos()}.
-     * The reported time includes {@link #getTimeUncertaintyNanos()}.
+     * <p>The error estimate for this value (if applicable) is {@link #getTimeUncertaintyNanos()}.
      */
     public long getTimeNanos() {
         return mTimeNanos;
@@ -150,7 +150,8 @@
     }
 
     /**
-     * Returns true if {@link #getTimeUncertaintyNanos()} is available, false otherwise.
+     * Returns {@code true} if {@link #getTimeUncertaintyNanos()} is available, {@code false}
+     * otherwise.
      */
     public boolean hasTimeUncertaintyNanos() {
         return isFlagSet(HAS_TIME_UNCERTAINTY);
@@ -158,9 +159,13 @@
 
     /**
      * Gets the clock's time Uncertainty (1-Sigma) in nanoseconds.
-     * The uncertainty is represented as an absolute (single sided) value.
      *
-     * The value is only available if {@link #hasTimeUncertaintyNanos()} is true.
+     * <p>The uncertainty is represented as an absolute (single sided) value.
+     *
+     * <p>The value is only available if {@link #hasTimeUncertaintyNanos()} is {@code true}.
+     *
+     * <p>This value is often effectively zero (it is the reference clock by which all other times
+     * and time uncertainties are measured), and thus this field may often be 0, or not provided.
      */
     public double getTimeUncertaintyNanos() {
         return mTimeUncertaintyNanos;
@@ -187,7 +192,7 @@
     }
 
     /**
-     * Returns true if {@link #getFullBiasNanos()} is available, false otherwise.
+     * Returns {@code true} if {@link #getFullBiasNanos()} is available, {@code false} otherwise.
      */
     public boolean hasFullBiasNanos() {
         return isFlagSet(HAS_FULL_BIAS);
@@ -197,14 +202,18 @@
      * Gets the difference between hardware clock ({@link #getTimeNanos()}) inside GPS receiver and
      * the true GPS time since 0000Z, January 6, 1980, in nanoseconds.
      *
-     * This value is available if the receiver has estimated GPS time. If the computed time is for a
-     * non-GPS constellation, the time offset of that constellation to GPS has to be applied to fill
-     * this value. The value contains the 'bias uncertainty' {@link #getBiasUncertaintyNanos()} in
-     * it, and it should be used for quality check. The value is only available if
-     * {@link #hasFullBiasNanos()} is true.
+     * <p>This value is available if the receiver has estimated GPS time. If the computed time is
+     * for a non-GPS constellation, the time offset of that constellation to GPS has to be applied
+     * to fill this value. The value is only available if {@link #hasFullBiasNanos()} is
+     * {@code true}.
      *
-     * The sign of the value is defined by the following equation:
-     *      local estimate of GPS time = time_ns + (full_bias_ns + bias_ns)
+     * <p>The error estimate for the sum of this field and {@link #getBiasNanos} is
+     * {@link #getBiasUncertaintyNanos()}.
+     *
+     * <p>The sign of the value is defined by the following equation:
+     *
+     * <pre>
+     *     local estimate of GPS time = TimeNanos + (FullBiasNanos + BiasNanos)</pre>
      */
     public long getFullBiasNanos() {
         return mFullBiasNanos;
@@ -231,7 +240,7 @@
     }
 
     /**
-     * Returns true if {@link #getBiasNanos()} is available, false otherwise.
+     * Returns {@code true} if {@link #getBiasNanos()} is available, {@code false} otherwise.
      */
     public boolean hasBiasNanos() {
         return isFlagSet(HAS_BIAS);
@@ -239,9 +248,14 @@
 
     /**
      * Gets the clock's sub-nanosecond bias.
-     * The reported bias includes {@link #getBiasUncertaintyNanos()}.
      *
-     * The value is only available if {@link #hasBiasNanos()} is true.
+     * <p>See the description of how this field is part of converting from hardware clock time, to
+     * GPS time, in {@link #getFullBiasNanos()}.
+     *
+     * <p>The error estimate for the sum of this field and {@link #getFullBiasNanos} is
+     * {@link #getBiasUncertaintyNanos()}.
+     *
+     * <p>The value is only available if {@link #hasBiasNanos()} is {@code true}.
      */
     public double getBiasNanos() {
         return mBiasNanos;
@@ -268,7 +282,8 @@
     }
 
     /**
-     * Returns true if {@link #getBiasUncertaintyNanos()} is available, false otherwise.
+     * Returns {@code true} if {@link #getBiasUncertaintyNanos()} is available, {@code false}
+     * otherwise.
      */
     public boolean hasBiasUncertaintyNanos() {
         return isFlagSet(HAS_BIAS_UNCERTAINTY);
@@ -277,7 +292,10 @@
     /**
      * Gets the clock's Bias Uncertainty (1-Sigma) in nanoseconds.
      *
-     * The value is only available if {@link #hasBiasUncertaintyNanos()} is true.
+     * <p>See the description of how this field provides the error estimate in the conversion from
+     * hardware clock time, to GPS time, in {@link #getFullBiasNanos()}.
+     *
+     * <p>The value is only available if {@link #hasBiasUncertaintyNanos()} is {@code true}.
      */
     public double getBiasUncertaintyNanos() {
         return mBiasUncertaintyNanos;
@@ -304,7 +322,8 @@
     }
 
     /**
-     * Returns true if {@link #getDriftNanosPerSecond()} is available, false otherwise.
+     * Returns {@code true} if {@link #getDriftNanosPerSecond()} is available, {@code false}
+     * otherwise.
      */
     public boolean hasDriftNanosPerSecond() {
         return isFlagSet(HAS_DRIFT);
@@ -312,10 +331,12 @@
 
     /**
      * Gets the clock's Drift in nanoseconds per second.
-     * A positive value indicates that the frequency is higher than the nominal frequency.
-     * The reported drift includes {@link #getDriftUncertaintyNanosPerSecond()}.
      *
-     * The value is only available if {@link #hasDriftNanosPerSecond()} is true.
+     * <p>A positive value indicates that the frequency is higher than the nominal (e.g. GPS master
+     * clock) frequency. The error estimate for this reported drift is
+     * {@link #getDriftUncertaintyNanosPerSecond()}.
+     *
+     * <p>The value is only available if {@link #hasDriftNanosPerSecond()} is {@code true}.
      */
     public double getDriftNanosPerSecond() {
         return mDriftNanosPerSecond;
@@ -342,7 +363,8 @@
     }
 
     /**
-     * Returns true if {@link #getDriftUncertaintyNanosPerSecond()} is available, false otherwise.
+     * Returns {@code true} if {@link #getDriftUncertaintyNanosPerSecond()} is available,
+     * {@code false} otherwise.
      */
     public boolean hasDriftUncertaintyNanosPerSecond() {
         return isFlagSet(HAS_DRIFT_UNCERTAINTY);
@@ -351,7 +373,8 @@
     /**
      * Gets the clock's Drift Uncertainty (1-Sigma) in nanoseconds per second.
      *
-     * The value is only available if {@link #hasDriftUncertaintyNanosPerSecond()} is true.
+     * <p>The value is only available if {@link #hasDriftUncertaintyNanosPerSecond()} is
+     * {@code true}.
      */
     public double getDriftUncertaintyNanosPerSecond() {
         return mDriftUncertaintyNanosPerSecond;
@@ -368,7 +391,29 @@
     }
 
     /**
-     * Gets count of last hardware clock discontinuity.
+     * Resets the clock's Drift Uncertainty (1-Sigma) in nanoseconds per second.
+     * @hide
+     */
+    @TestApi
+    public void resetDriftUncertaintyNanosPerSecond() {
+        resetFlag(HAS_DRIFT_UNCERTAINTY);
+        mDriftUncertaintyNanosPerSecond = Double.NaN;
+    }
+
+    /**
+     * Gets count of hardware clock discontinuities.
+     *
+     * <p>When this value stays the same, vs. a value in a previously reported {@link GnssClock}, it
+     * can be safely assumed that the {@code TimeNanos} value has been derived from a clock that has
+     * been running continuously - e.g. a single continuously powered crystal oscillator, and thus
+     * the {@code (FullBiasNanos + BiasNanos)} offset can be modelled with traditional clock bias
+     * &amp; drift models.
+     *
+     * <p>Each time this value changes, vs. the value in a previously reported {@link GnssClock},
+     * that suggests the hardware clock may have experienced a discontinuity (e.g. a power cycle or
+     * other anomaly), so that any assumptions about modelling a smoothly changing
+     * {@code (FullBiasNanos + BiasNanos)} offset, and a smoothly growing {@code (TimeNanos)}
+     * between this and the previously reported {@code GnssClock}, should be reset.
      */
     public int getHardwareClockDiscontinuityCount() {
         return mHardwareClockDiscontinuityCount;
@@ -383,16 +428,6 @@
         mHardwareClockDiscontinuityCount = value;
     }
 
-    /**
-     * Resets the clock's Drift Uncertainty (1-Sigma) in nanoseconds per second.
-     * @hide
-     */
-    @TestApi
-    public void resetDriftUncertaintyNanosPerSecond() {
-        resetFlag(HAS_DRIFT_UNCERTAINTY);
-        mDriftUncertaintyNanosPerSecond = Double.NaN;
-    }
-
     public static final Creator<GnssClock> CREATOR = new Creator<GnssClock>() {
         @Override
         public GnssClock createFromParcel(Parcel parcel) {
diff --git a/location/java/android/location/GnssMeasurement.java b/location/java/android/location/GnssMeasurement.java
index d78ccee..761ee22 100644
--- a/location/java/android/location/GnssMeasurement.java
+++ b/location/java/android/location/GnssMeasurement.java
@@ -67,18 +67,21 @@
     public @interface MultipathIndicator {}
 
     /**
-     * The indicator is not available or it is unknown.
+     * The indicator is not available or the presence or absence of multipath is unknown.
      */
     public static final int MULTIPATH_INDICATOR_UNKNOWN = 0;
 
     /**
-     * The measurement has been indicated to use multi-path.
+     * The measurement shows signs of multi-path.
      */
     public static final int MULTIPATH_INDICATOR_DETECTED = 1;
 
     /**
-     * The measurement has been indicated not tu use multi-path.
+     * The measurement shows no signs of multi-path.
      */
+    public static final int MULTIPATH_INDICATOR_NOT_DETECTED = 2;
+
+    /** @removed */
     public static final int MULTIPATH_INDICATOR_NOT_USED = 2;
 
     /** This GNSS measurement's tracking state is invalid or unknown. */
@@ -192,15 +195,17 @@
     }
 
     /**
-     * Gets the Pseudo-random number (PRN).
-     * Range: [1, 32]
+     * Gets the satellite ID.
+     *
+     * <p>Interpretation depends on {@link #getConstellationType()}.
+     * See {@link GnssStatus#getSvid(int)}.
      */
     public int getSvid() {
         return mSvid;
     }
 
     /**
-     * Sets the Pseud-random number (PRN).
+     * Sets the Satellite ID.
      * @hide
      */
     @TestApi
@@ -209,7 +214,10 @@
     }
 
     /**
-     * Getst the constellation type.
+     * Gets the constellation type.
+     *
+     * <p>The return value is one of those constants with {@code CONSTELLATION_} prefix in
+     * {@link GnssStatus}.
      */
     @GnssStatus.ConstellationType
     public int getConstellationType() {
@@ -228,13 +236,14 @@
     /**
      * Gets the time offset at which the measurement was taken in nanoseconds.
      *
-     * The reference receiver's time from which this is offset is specified by
+     * <p>The reference receiver's time from which this is offset is specified by
      * {@link GnssClock#getTimeNanos()}.
      *
-     * The sign of this value is given by the following equation:
-     *      measurement time = time_ns + time_offset_ns
+     * <p>The sign of this value is given by the following equation:
+     * <pre>
+     *      measurement time = TimeNanos + TimeOffsetNanos</pre>
      *
-     * The value provides an individual time-stamp for the measurement, and allows sub-nanosecond
+     * <p>The value provides an individual time-stamp for the measurement, and allows sub-nanosecond
      * accuracy.
      */
     public double getTimeOffsetNanos() {
@@ -252,9 +261,10 @@
 
     /**
      * Gets per-satellite sync state.
-     * It represents the current sync state for the associated satellite.
      *
-     * This value helps interpret {@link #getReceivedSvTimeNanos()}.
+     * <p>It represents the current sync state for the associated satellite.
+     *
+     * <p>This value helps interpret {@link #getReceivedSvTimeNanos()}.
      */
     public int getState() {
         return mState;
@@ -271,7 +281,8 @@
 
     /**
      * Gets a string representation of the 'sync state'.
-     * For internal and logging use only.
+     *
+     * <p>For internal and logging use only.
      */
     private String getStateString() {
         if (mState == STATE_UNKNOWN) {
@@ -335,66 +346,79 @@
     /**
      * Gets the received GNSS satellite time, at the measurement time, in nanoseconds.
      *
-     * For GPS &amp; QZSS, this is:
-     *   Received GPS Time-of-Week at the measurement time, in nanoseconds.
-     *   The value is relative to the beginning of the current GPS week.
+     * <p>For GPS &amp; QZSS, this is:
+     * <ul>
+     * <li>Received GPS Time-of-Week at the measurement time, in nanoseconds.</li>
+     * <li>The value is relative to the beginning of the current GPS week.</li>
+     * </ul>
      *
-     *   Given the highest sync state that can be achieved, per each satellite, valid range
-     *   for this field can be:
+     * <p>Given the highest sync state that can be achieved, per each satellite, valid range
+     * for this field can be:
+     * <pre>
      *     Searching       : [ 0       ]   : STATE_UNKNOWN
      *     C/A code lock   : [ 0   1ms ]   : STATE_CODE_LOCK is set
      *     Bit sync        : [ 0  20ms ]   : STATE_BIT_SYNC is set
      *     Subframe sync   : [ 0    6s ]   : STATE_SUBFRAME_SYNC is set
-     *     TOW decoded     : [ 0 1week ]   : STATE_TOW_DECODED is set
+     *     TOW decoded     : [ 0 1week ]   : STATE_TOW_DECODED is set</pre>
      *
-     *   Note well: if there is any ambiguity in integer millisecond,
-     *   STATE_MSEC_AMBIGUOUS should be set accordingly, in the 'state' field.
+     * <p>Note well: if there is any ambiguity in integer millisecond, {@code STATE_MSEC_AMBIGUOUS}
+     * should be set accordingly, in the 'state' field.
      *
-     *   This value must be populated if 'state' != STATE_UNKNOWN.
+     * <p>This value must be populated if 'state' != {@code STATE_UNKNOWN}.
      *
-     * For Glonass, this is:
-     *   Received Glonass time of day, at the measurement time in nanoseconds.
+     * <p>For Glonass, this is:
+     * <ul>
+     * <li>Received Glonass time of day, at the measurement time in nanoseconds.</li>
+     * </ul>
      *
-     *   Given the highest sync state that can be achieved, per each satellite, valid range for
-     *   this field can be:
+     * <p>Given the highest sync state that can be achieved, per each satellite, valid range for
+     * this field can be:
+     * <pre>
      *     Searching       : [ 0       ]   : STATE_UNKNOWN
      *     C/A code lock   : [ 0   1ms ]   : STATE_CODE_LOCK is set
-     *    Symbol sync    : [ 0  10ms ]   : STATE_SYMBOL_SYNC is set
-     *    Bit sync       : [ 0  20ms ]   : STATE_BIT_SYNC is set
-     *     String sync     : [ 0    2s ]   :  STATE_GLO_STRING_SYNC is set
-     *    Time of day      : [ 0  1day ]   : STATE_GLO_TOD_DECODED is set
+     *     Symbol sync     : [ 0  10ms ]   : STATE_SYMBOL_SYNC is set
+     *     Bit sync        : [ 0  20ms ]   : STATE_BIT_SYNC is set
+     *     String sync     : [ 0    2s ]   : STATE_GLO_STRING_SYNC is set
+     *     Time of day     : [ 0  1day ]   : STATE_GLO_TOD_DECODED is set</pre>
      *
-     * For Beidou, this is:
-     *   Received Beidou time of week, at the measurement time in nanoseconds.
+     * <p>For Beidou, this is:
+     * <ul>
+     * <li>Received Beidou time of week, at the measurement time in nanoseconds.</li>
+     * </ul>
      *
-     *   Given the highest sync state that can be achieved, per each satellite, valid range for
-     *   this field can be:
+     * <p>Given the highest sync state that can be achieved, per each satellite, valid range for
+     * this field can be:
+     * <pre>
      *     Searching       : [ 0       ]   : STATE_UNKNOWN
      *     C/A code lock   : [ 0   1ms ]   : STATE_CODE_LOCK is set
      *     Bit sync (D2)   : [ 0   2ms ]   : STATE_BDS_D2_BIT_SYNC is set
      *     Bit sync (D1)   : [ 0  20ms ]   : STATE_BIT_SYNC is set
      *     Subframe (D2)   : [ 0  0.6s ]   : STATE_BDS_D2_SUBFRAME_SYNC is set
      *     Subframe (D1)   : [ 0    6s ]   : STATE_SUBFRAME_SYNC is set
-     *     Time of week    : [ 0 1week ]   : STATE_TOW_DECODED is set
+     *     Time of week    : [ 0 1week ]   : STATE_TOW_DECODED is set</pre>
      *
-     * For Galileo, this is:
-     *   Received Galileo time of week, at the measurement time in nanoseconds.
+     * <p>For Galileo, this is:
+     * <ul>
+     * <li>Received Galileo time of week, at the measurement time in nanoseconds.</li>
+     * </ul>
+     * <pre>
+     *     E1BC code lock   : [ 0   4ms ]  : STATE_GAL_E1BC_CODE_LOCK is set
+     *     E1C 2nd code lock: [ 0 100ms ]  : STATE_GAL_E1C_2ND_CODE_LOCK is set
+     *     E1B page         : [ 0    2s ]  : STATE_GAL_E1B_PAGE_SYNC is set
+     *     Time of week     : [ 0 1week ]  : STATE_GAL_TOW_DECODED is set</pre>
      *
-     *     E1BC code lock  : [ 0   4ms ]   : STATE_GAL_E1BC_CODE_LOCK is set
-     *     E1C 2nd code lock : [ 0   100ms ]   : STATE_GAL_E1C_2ND_CODE_LOCK is set
+     * <p>For SBAS, this is:
+     * <ul>
+     * <li>Received SBAS time, at the measurement time in nanoseconds.</li>
+     * </ul>
      *
-     *     E1B page        : [ 0    2s ]   : STATE_GAL_E1B_PAGE_SYNC is set
-     *     Time of week    : [ 0 1week ]   : STATE_GAL_TOW_DECODED is set
-     *
-     *   For SBAS, this is:
-     *     Received SBAS time, at the measurement time in nanoseconds.
-     *
-     *   Given the highest sync state that can be achieved, per each satellite, valid range for
-     *   this field can be:
+     * <p>Given the highest sync state that can be achieved, per each satellite, valid range for
+     * this field can be:
+     * <pre>
      *     Searching       : [ 0       ]   : STATE_UNKNOWN
      *     C/A code lock   : [ 0   1ms ]   : STATE_CODE_LOCK is set
      *     Symbol sync     : [ 0   2ms ]   : STATE_SYMBOL_SYNC is set
-     *     Message         : [ 0    1s ]   : STATE_SBAS_SYNC is set
+     *     Message         : [ 0    1s ]   : STATE_SBAS_SYNC is set</pre>
      */
     public long getReceivedSvTimeNanos() {
         return mReceivedSvTimeNanos;
@@ -410,7 +434,7 @@
     }
 
     /**
-     * Gets the received GNSS time uncertainty (1-Sigma) in nanoseconds.
+     * Gets the error estimate (1-sigma) for the received GNSS time, in nanoseconds.
      */
     public long getReceivedSvTimeUncertaintyNanos() {
         return mReceivedSvTimeUncertaintyNanos;
@@ -427,9 +451,10 @@
 
     /**
      * Gets the Carrier-to-noise density in dB-Hz.
-     * Range: [0, 63].
      *
-     * The value contains the measured C/N0 for the signal at the antenna input.
+     * <p>Typical range: 10-50 db-Hz.
+     *
+     * <p>The value contains the measured C/N0 for the signal at the antenna input.
      */
     public double getCn0DbHz() {
         return mCn0DbHz;
@@ -447,16 +472,18 @@
     /**
      * Gets the Pseudorange rate at the timestamp in m/s.
      *
-     * The reported value includes {@link #getPseudorangeRateUncertaintyMetersPerSecond()}.
+     * <p>The error estimate for this value is
+     * {@link #getPseudorangeRateUncertaintyMetersPerSecond()}.
      *
-     * The value is uncorrected, hence corrections for receiver and satellite clock frequency errors
-     * should not be included.
+     * <p>The value is uncorrected, i.e. corrections for receiver and satellite clock frequency
+     * errors are not included.
      *
-     * A positive 'uncorrected' value indicates that the SV is moving away from the receiver. The
+     * <p>A positive 'uncorrected' value indicates that the SV is moving away from the receiver. The
      * sign of the 'uncorrected' 'pseudorange rate' and its relation to the sign of 'doppler shift'
      * is given by the equation:
      *
-     *      pseudorange rate = -k * doppler shift   (where k is a constant)
+     * <pre>
+     *      pseudorange rate = -k * doppler shift   (where k is a constant)</pre>
      */
     public double getPseudorangeRateMetersPerSecond() {
         return mPseudorangeRateMetersPerSecond;
@@ -473,7 +500,8 @@
 
     /**
      * Gets the pseudorange's rate uncertainty (1-Sigma) in m/s.
-     * The uncertainty is represented as an absolute (single sided) value.
+     *
+     * <p>The uncertainty is represented as an absolute (single sided) value.
      */
     public double getPseudorangeRateUncertaintyMetersPerSecond() {
         return mPseudorangeRateUncertaintyMetersPerSecond;
@@ -490,7 +518,8 @@
 
     /**
      * Gets 'Accumulated Delta Range' state.
-     * It indicates whether {@link #getAccumulatedDeltaRangeMeters()} is reset or there is a
+     *
+     * <p>It indicates whether {@link #getAccumulatedDeltaRangeMeters()} is reset or there is a
      * cycle slip (indicating 'loss of lock').
      */
     public int getAccumulatedDeltaRangeState() {
@@ -508,7 +537,8 @@
 
     /**
      * Gets a string representation of the 'Accumulated Delta Range state'.
-     * For internal and logging use only.
+     *
+     * <p>For internal and logging use only.
      */
     private String getAccumulatedDeltaRangeStateString() {
         if (mAccumulatedDeltaRangeState == ADR_STATE_UNKNOWN) {
@@ -536,14 +566,17 @@
 
     /**
      * Gets the accumulated delta range since the last channel reset, in meters.
-     * The reported value includes {@link #getAccumulatedDeltaRangeUncertaintyMeters()}.
      *
-     * The availability of the value is represented by {@link #getAccumulatedDeltaRangeState()}.
+     * <p>The error estimate for this value is {@link #getAccumulatedDeltaRangeUncertaintyMeters()}.
      *
-     * A positive value indicates that the SV is moving away from the receiver.
+     * <p>The availability of the value is represented by {@link #getAccumulatedDeltaRangeState()}.
+     *
+     * <p>A positive value indicates that the SV is moving away from the receiver.
      * The sign of {@link #getAccumulatedDeltaRangeMeters()} and its relation to the sign of
      * {@link #getCarrierPhase()} is given by the equation:
-     *          accumulated delta range = -k * carrier phase    (where k is a constant)
+     *
+     * <pre>
+     *          accumulated delta range = -k * carrier phase    (where k is a constant)</pre>
      */
     public double getAccumulatedDeltaRangeMeters() {
         return mAccumulatedDeltaRangeMeters;
@@ -560,9 +593,10 @@
 
     /**
      * Gets the accumulated delta range's uncertainty (1-Sigma) in meters.
-     * The uncertainty is represented as an absolute (single sided) value.
      *
-     * The status of the value is represented by {@link #getAccumulatedDeltaRangeState()}.
+     * <p>The uncertainty is represented as an absolute (single sided) value.
+     *
+     * <p>The status of the value is represented by {@link #getAccumulatedDeltaRangeState()}.
      */
     public double getAccumulatedDeltaRangeUncertaintyMeters() {
         return mAccumulatedDeltaRangeUncertaintyMeters;
@@ -571,7 +605,7 @@
     /**
      * Sets the accumulated delta range's uncertainty (1-sigma) in meters.
      *
-     * The status of the value is represented by {@link #getAccumulatedDeltaRangeState()}.
+     * <p>The status of the value is represented by {@link #getAccumulatedDeltaRangeState()}.
      *
      * @hide
      */
@@ -581,17 +615,20 @@
     }
 
     /**
-     * Returns true if {@link #getCarrierFrequencyHz()} is available, false otherwise.
+     * Returns {@code true} if {@link #getCarrierFrequencyHz()} is available, {@code false}
+     * otherwise.
      */
     public boolean hasCarrierFrequencyHz() {
         return isFlagSet(HAS_CARRIER_FREQUENCY);
     }
 
     /**
-     * Gets the carrier frequency at which codes and messages are modulated, it can be L1 or L2.
-     * If the field is not set, the carrier frequency corresponds to L1.
+     * Gets the carrier frequency at which codes and messages are modulated.
      *
-     * The value is only available if {@link #hasCarrierFrequencyHz()} is true.
+     * <p>For GPS, e.g., it can be L1 or L2.  If the field is not set, it is the primary common use
+     * frequency, e.g. L1 for GPS.
+     *
+     * <p>The value is only available if {@link #hasCarrierFrequencyHz()} is {@code true}.
      */
     public float getCarrierFrequencyHz() {
         return mCarrierFrequencyHz;
@@ -618,7 +655,7 @@
     }
 
     /**
-     * Returns true if {@link #getCarrierCycles()} is available, false otherwise.
+     * Returns {@code true} if {@link #getCarrierCycles()} is available, {@code false} otherwise.
      */
     public boolean hasCarrierCycles() {
         return isFlagSet(HAS_CARRIER_CYCLES);
@@ -626,9 +663,10 @@
 
     /**
      * The number of full carrier cycles between the satellite and the receiver.
-     * The reference frequency is given by the value of {@link #getCarrierFrequencyHz()}.
      *
-     * The value is only available if {@link #hasCarrierCycles()} is true.
+     * <p>The reference frequency is given by the value of {@link #getCarrierFrequencyHz()}.
+     *
+     * <p>The value is only available if {@link #hasCarrierCycles()} is {@code true}.
      */
     public long getCarrierCycles() {
         return mCarrierCycles;
@@ -655,7 +693,7 @@
     }
 
     /**
-     * Returns true if {@link #getCarrierPhase()} is available, false otherwise.
+     * Returns {@code true} if {@link #getCarrierPhase()} is available, {@code false} otherwise.
      */
     public boolean hasCarrierPhase() {
         return isFlagSet(HAS_CARRIER_PHASE);
@@ -663,13 +701,16 @@
 
     /**
      * Gets the RF phase detected by the receiver.
-     * Range: [0.0, 1.0].
-     * This is usually the fractional part of the complete carrier phase measurement.
      *
-     * The reference frequency is given by the value of {@link #getCarrierFrequencyHz()}.
-     * The reported carrier-phase includes {@link #getCarrierPhaseUncertainty()}.
+     * <p>Range: [0.0, 1.0].
      *
-     * The value is only available if {@link #hasCarrierPhase()} is true.
+     * <p>This is the fractional part of the complete carrier phase measurement.
+     *
+     * <p>The reference frequency is given by the value of {@link #getCarrierFrequencyHz()}.
+     *
+     * <p>The error estimate for this value is {@link #getCarrierPhaseUncertainty()}.
+     *
+     * <p>The value is only available if {@link #hasCarrierPhase()} is {@code true}.
      */
     public double getCarrierPhase() {
         return mCarrierPhase;
@@ -696,7 +737,8 @@
     }
 
     /**
-     * Returns true if {@link #getCarrierPhaseUncertainty()} is available, false otherwise.
+     * Returns {@code true} if {@link #getCarrierPhaseUncertainty()} is available, {@code false}
+     * otherwise.
      */
     public boolean hasCarrierPhaseUncertainty() {
         return isFlagSet(HAS_CARRIER_PHASE_UNCERTAINTY);
@@ -704,9 +746,10 @@
 
     /**
      * Gets the carrier-phase's uncertainty (1-Sigma).
-     * The uncertainty is represented as an absolute (single sided) value.
      *
-     * The value is only available if {@link #hasCarrierPhaseUncertainty()} is true.
+     * <p>The uncertainty is represented as an absolute (single sided) value.
+     *
+     * <p>The value is only available if {@link #hasCarrierPhaseUncertainty()} is {@code true}.
      */
     public double getCarrierPhaseUncertainty() {
         return mCarrierPhaseUncertainty;
@@ -751,7 +794,8 @@
 
     /**
      * Gets a string representation of the 'multi-path indicator'.
-     * For internal and logging use only.
+     *
+     * <p>For internal and logging use only.
      */
     private String getMultipathIndicatorString() {
         switch(mMultipathIndicator) {
@@ -767,7 +811,7 @@
     }
 
     /**
-     * Returns true if {@link #getSnrInDb()} is available, false otherwise.
+     * Returns {@code true} if {@link #getSnrInDb()} is available, {@code false} otherwise.
      */
     public boolean hasSnrInDb() {
         return isFlagSet(HAS_SNR);
@@ -776,7 +820,7 @@
     /**
      * Gets the Signal-to-Noise ratio (SNR) in dB.
      *
-     * The value is only available if {@link #hasSnrInDb()} is true.
+     * <p>The value is only available if {@link #hasSnrInDb()} is {@code true}.
      */
     public double getSnrInDb() {
         return mSnrInDb;
diff --git a/location/java/android/location/GnssMeasurementsEvent.java b/location/java/android/location/GnssMeasurementsEvent.java
index ec252a8..3151694 100644
--- a/location/java/android/location/GnssMeasurementsEvent.java
+++ b/location/java/android/location/GnssMeasurementsEvent.java
@@ -16,6 +16,7 @@
 
 package android.location;
 
+import android.annotation.TestApi;
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.os.Parcel;
@@ -33,29 +34,11 @@
  * Events are delivered to registered instances of {@link Callback}.
  */
 public final class GnssMeasurementsEvent implements Parcelable {
-    /**
-     * The status of the GNSS measurements event.
-     * @hide
-     */
-    @Retention(RetentionPolicy.SOURCE)
-    @IntDef({STATUS_NOT_SUPPORTED, STATUS_READY, STATUS_GNSS_LOCATION_DISABLED})
-    public @interface GnssMeasurementsStatus {}
-
-    /**
-     * The system does not support tracking of GNSS Measurements. This status will not change in the
-     * future.
-     */
+    /** @removed */
     public static final int STATUS_NOT_SUPPORTED = 0;
-
-    /**
-     * GNSS Measurements are successfully being tracked, it will receive updates once they are
-     * available.
-     */
+    /** @removed */
     public static final int STATUS_READY = 1;
-
-    /**
-     * GNSS provider or Location is disabled, updates will not be received until they are enabled.
-     */
+    /** @removed */
     public static final int STATUS_GNSS_LOCATION_DISABLED = 2;
 
     private final GnssClock mClock;
@@ -68,6 +51,32 @@
      * {@link LocationManager#registerGnssMeasurementsCallback}.
      */
     public static abstract class Callback {
+        /**
+         * The status of the GNSS measurements event.
+         * @hide
+         */
+        @Retention(RetentionPolicy.SOURCE)
+        @IntDef({STATUS_NOT_SUPPORTED, STATUS_READY, STATUS_LOCATION_DISABLED})
+        public @interface GnssMeasurementsStatus {}
+
+        /**
+         * The system does not support tracking of GNSS Measurements.
+         *
+         * <p>This status will not change in the future.
+         */
+        public static final int STATUS_NOT_SUPPORTED = 0;
+
+        /**
+         * GNSS Measurements are successfully being tracked, it will receive updates once they are
+         * available.
+         */
+        public static final int STATUS_READY = 1;
+
+        /**
+         * GPS provider or Location is disabled, updates will not be received until they are
+         * enabled.
+         */
+        public static final int STATUS_LOCATION_DISABLED = 2;
 
         /**
          * Reports the latest collected GNSS Measurements.
@@ -80,6 +89,10 @@
         public void onStatusChanged(@GnssMeasurementsStatus int status) {}
     }
 
+    /**
+     * @hide
+     */
+    @TestApi
     public GnssMeasurementsEvent(GnssClock clock, GnssMeasurement[] measurements) {
         if (clock == null) {
             throw new InvalidParameterException("Parameter 'clock' must not be null.");
@@ -94,6 +107,10 @@
         mReadOnlyMeasurements = Collections.unmodifiableCollection(measurementCollection);
     }
 
+    /**
+     * Gets the GNSS receiver clock information associated with the measurements for the current
+     * event.
+     */
     @NonNull
     public GnssClock getClock() {
         return mClock;
diff --git a/location/java/android/location/GnssNavigationMessage.aidl b/location/java/android/location/GnssNavigationMessage.aidl
new file mode 100644
index 0000000..1cdd510
--- /dev/null
+++ b/location/java/android/location/GnssNavigationMessage.aidl
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2016, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.location;
+
+parcelable GnssNavigationMessage;
diff --git a/location/java/android/location/GnssNavigationMessage.java b/location/java/android/location/GnssNavigationMessage.java
index a5eace8..aa26111 100644
--- a/location/java/android/location/GnssNavigationMessage.java
+++ b/location/java/android/location/GnssNavigationMessage.java
@@ -34,7 +34,7 @@
     private static final byte[] EMPTY_ARRAY = new byte[0];
 
     /**
-     * The type of the GPS Clock.
+     * The type of the GNSS Navigation Message
      * @hide
      */
     @Retention(RetentionPolicy.SOURCE)
@@ -81,6 +81,51 @@
      */
     public static final int STATUS_PARITY_REBUILT = (1<<1);
 
+    /**
+     * Used for receiving GNSS satellite Navigation Messages from the GNSS engine.
+     *
+     * <p>You can implement this interface and call
+     * {@link LocationManager#registerGnssNavigationMessageCallback}.
+     */
+    public static abstract class Callback {
+        /**
+         * The status of GNSS measurements event.
+         * @hide
+         */
+        @Retention(RetentionPolicy.SOURCE)
+        @IntDef({STATUS_NOT_SUPPORTED, STATUS_READY, STATUS_LOCATION_DISABLED})
+        public @interface GnssNavigationMessageStatus {}
+
+        /**
+         * The system does not support tracking of GNSS Navigation Messages.
+         *
+         * This status will not change in the future.
+         */
+        public static final int STATUS_NOT_SUPPORTED = 0;
+
+        /**
+         * GNSS Navigation Messages are successfully being tracked, it will receive updates once
+         * they are available.
+         */
+        public static final int STATUS_READY = 1;
+
+        /**
+         * GNSS provider or Location is disabled, updated will not be received until they are
+         * enabled.
+         */
+        public static final int STATUS_LOCATION_DISABLED = 2;
+
+        /**
+         * Returns the latest collected GNSS Navigation Message.
+         */
+        public void onGnssNavigationMessageReceived(GnssNavigationMessage event) {}
+
+        /**
+         * Returns the latest status of the GNSS Navigation Messages sub-system.
+         */
+        public void onStatusChanged(@GnssNavigationMessageStatus int status) {}
+    }
+
     // End enumerations in sync with gps.h
 
     private int mType;
@@ -170,15 +215,16 @@
     }
 
     /**
-     * Gets the Pseudo-random number.
-     * Range: [1, 32].
+     * Gets the satellite ID.
+     *
+     * <p>Range varies by constellation.  See definition at {@code GnssStatus#getSvid(int)}
      */
     public int getSvid() {
         return mSvid;
     }
 
     /**
-     * Sets the Pseud-random number.
+     * Sets the satellite ID.
      * @hide
      */
     @TestApi
@@ -187,10 +233,25 @@
     }
 
     /**
-     * Gets the Message Identifier.
-     * It provides an index so the complete Navigation Message can be assembled. i.e. for L1 C/A
-     * subframe 4 and 5, this value corresponds to the 'frame id' of the navigation message.
-     * Subframe 1, 2, 3 does not contain a 'frame id' and this might be reported as -1.
+     * Gets the Message identifier.
+     *
+     * <p>This provides an index to help with complete Navigation Message assembly. Similar
+     * identifiers within the data bits themselves often supplement this information, in ways even
+     * more specific to each message type; see the relevant satellite constellation ICDs for
+     * details.
+     *
+     * <ul>
+     * <li> For GPS L1 C/A subframe 4 and 5, this value corresponds to the 'frame id' of the
+     * navigation message, in the range of 1-25 (Subframe 1, 2, 3 does not contain a 'frame id' and
+     * this value can be set to -1.)</li>
+     * <li> For Glonass L1 C/A, this refers to the frame ID, in the range of 1-5.</li>
+     * <li> For BeiDou D1, this refers to the frame number in the range of 1-24</li>
+     * <li> For Beidou D2, this refers to the frame number, in the range of 1-120</li>
+     * <li> For Galileo F/NAV nominal frame structure, this refers to the subframe number, in the
+     * range of 1-12</li>
+     * <li> For Galileo I/NAV nominal frame structure, this refers to the subframe number in the
+     * range of 1-24</li>
+     * </ul>
      */
     public int getMessageId() {
         return mMessageId;
@@ -206,10 +267,18 @@
     }
 
     /**
-     * Gets the Sub-message Identifier.
-     * If required by {@link #getType()}, this value contains a sub-index within the current message
-     * (or frame) that is being transmitted. i.e. for L1 C/A the sub-message identifier corresponds
-     * to the sub-frame Id of the navigation message.
+     * Gets the sub-message identifier, relevant to the {@link #getType()} of the message.
+     *
+     * <ul>
+     * <li> For GPS L1 C/A, BeiDou D1 &amp; BeiDou D2, the submessage id corresponds to the subframe
+     * number of the navigation message, in the range of 1-5.</li>
+     * <li>For Glonass L1 C/A, this refers to the String number, in the range from 1-15</li>
+     * <li>For Galileo F/NAV, this refers to the page type in the range 1-6</li>
+     * <li>For Galileo I/NAV, this refers to the word type in the range 1-10+</li>
+     * <li>For Galileo in particular, the type information embedded within the data bits may be even
+     * more useful in interpretation, than the nominal page and word types provided in this
+     * field.</li>
+     * </ul>
      */
     public int getSubmessageId() {
         return mSubmessageId;
@@ -225,8 +294,25 @@
     }
 
     /**
-     * Gets the data associated with the Navigation Message.
-     * The bytes (or words) specified using big endian format (MSB first).
+     * Gets the data of the reported GPS message.
+     *
+     * <p>The bytes (or words) specified using big endian format (MSB first).
+     *
+     * <ul>
+     * <li>For GPS L1 C/A, Beidou D1 &amp; Beidou D2, each subframe contains 10 30-bit words. Each
+     * word (30 bits) should be fit into the last 30 bits in a 4-byte word (skip B31 and B32), with
+     * MSB first, for a total of 40 bytes, covering a time period of 6, 6, and 0.6 seconds,
+     * respectively.</li>
+     * <li>For Glonass L1 C/A, each string contains 85 data bits, including the checksum.  These
+     * bits should be fit into 11 bytes, with MSB first (skip B86-B88), covering a time period of 2
+     * seconds.</li>
+     * <li>For Galileo F/NAV, each word consists of 238-bit (sync &amp; tail symbols excluded). Each
+     * word should be fit into 30-bytes, with MSB first (skip B239, B240), covering a time period of
+     * 10 seconds.</li>
+     * <li>For Galileo I/NAV, each page contains 2 page parts, even and odd, with a total of 2x114 =
+     * 228 bits, (sync &amp; tail excluded) that should be fit into 29 bytes, with MSB first (skip
+     * B229-B232).</li>
+     * </ul>
      */
     @NonNull
     public byte[] getData() {
diff --git a/location/java/android/location/GnssNavigationMessageCallbackTransport.java b/location/java/android/location/GnssNavigationMessageCallbackTransport.java
index 4204b99..1eafd02 100644
--- a/location/java/android/location/GnssNavigationMessageCallbackTransport.java
+++ b/location/java/android/location/GnssNavigationMessageCallbackTransport.java
@@ -20,12 +20,12 @@
 import android.os.RemoteException;
 
 /**
- * A handler class to manage transport callback for {@link GnssNavigationMessageEvent.Callback}.
+ * A handler class to manage transport callback for {@link GnssNavigationMessage.Callback}.
  *
  * @hide
  */
 class GnssNavigationMessageCallbackTransport
-        extends LocalListenerHelper<GnssNavigationMessageEvent.Callback> {
+        extends LocalListenerHelper<GnssNavigationMessage.Callback> {
     private final ILocationManager mLocationManager;
 
     private final IGnssNavigationMessageListener mListenerTransport = new ListenerTransport();
@@ -51,11 +51,11 @@
 
     private class ListenerTransport extends IGnssNavigationMessageListener.Stub {
         @Override
-        public void onGnssNavigationMessageReceived(final GnssNavigationMessageEvent event) {
-            ListenerOperation<GnssNavigationMessageEvent.Callback> operation =
-                    new ListenerOperation<GnssNavigationMessageEvent.Callback>() {
+        public void onGnssNavigationMessageReceived(final GnssNavigationMessage event) {
+            ListenerOperation<GnssNavigationMessage.Callback> operation =
+                    new ListenerOperation<GnssNavigationMessage.Callback>() {
                 @Override
-                public void execute(GnssNavigationMessageEvent.Callback callback)
+                public void execute(GnssNavigationMessage.Callback callback)
                         throws RemoteException {
                     callback.onGnssNavigationMessageReceived(event);
                 }
@@ -65,10 +65,10 @@
 
         @Override
         public void onStatusChanged(final int status) {
-            ListenerOperation<GnssNavigationMessageEvent.Callback> operation =
-                    new ListenerOperation<GnssNavigationMessageEvent.Callback>() {
+            ListenerOperation<GnssNavigationMessage.Callback> operation =
+                    new ListenerOperation<GnssNavigationMessage.Callback>() {
                 @Override
-                public void execute(GnssNavigationMessageEvent.Callback callback)
+                public void execute(GnssNavigationMessage.Callback callback)
                         throws RemoteException {
                     callback.onStatusChanged(status);
                 }
diff --git a/location/java/android/location/GnssNavigationMessageEvent.java b/location/java/android/location/GnssNavigationMessageEvent.java
index 992dfc3..f7e5665 100644
--- a/location/java/android/location/GnssNavigationMessageEvent.java
+++ b/location/java/android/location/GnssNavigationMessageEvent.java
@@ -28,10 +28,11 @@
 /**
  * A class implementing a container for data associated with a navigation message event.
  * Events are delivered to registered instances of {@link Callback}.
+ * @removed
  */
 public final class GnssNavigationMessageEvent implements Parcelable {
     /**
-     * The status of GPS measurements event.
+     * The status of GNSS measurements event.
      * @hide
      */
     @Retention(RetentionPolicy.SOURCE)
@@ -39,38 +40,40 @@
     public @interface GnssNavigationMessageStatus {}
 
     /**
-     * The system does not support tracking of GPS Navigation Messages. This status will not change
-     * in the future.
+     * The system does not support tracking of GNSS Navigation Messages.
+     *
+     * This status will not change in the future.
      */
     public static final int STATUS_NOT_SUPPORTED = 0;
 
     /**
-     * GPS Navigation Messages are successfully being tracked, it will receive updates once they are
-     * available.
+     * GNSS Navigation Messages are successfully being tracked, it will receive updates once they
+     * are available.
      */
     public static final int STATUS_READY = 1;
 
     /**
-     * GPS provider or Location is disabled, updated will not be received until they are enabled.
+     * GNSS provider or Location is disabled, updated will not be received until they are enabled.
      */
     public static final int STATUS_GNSS_LOCATION_DISABLED = 2;
 
     private final GnssNavigationMessage mNavigationMessage;
 
     /**
-     * Used for receiving GPS satellite Navigation Messages from the GPS engine.
-     * You can implement this interface and call
+     * Used for receiving GNSS satellite Navigation Messages from the GNSS engine.
+     *
+     * <p>You can implement this interface and call
      * {@link LocationManager#registerGnssNavigationMessageCallback}.
      */
     public static abstract class Callback {
 
         /**
-         * Returns the latest collected GPS Navigation Message.
+         * Returns the latest collected GNSS Navigation Message.
          */
         public void onGnssNavigationMessageReceived(GnssNavigationMessageEvent event) {}
 
         /**
-         * Returns the latest status of the GPS Navigation Messages sub-system.
+         * Returns the latest status of the GNSS Navigation Messages sub-system.
          */
         public void onStatusChanged(@GnssNavigationMessageStatus int status) {}
     }
diff --git a/location/java/android/location/GnssNmeaListener.java b/location/java/android/location/GnssNmeaListener.java
index 6c9b08a..756ae49 100644
--- a/location/java/android/location/GnssNmeaListener.java
+++ b/location/java/android/location/GnssNmeaListener.java
@@ -23,8 +23,9 @@
 * See <a href="http://en.wikipedia.org/wiki/NMEA_0183">NMEA 0183</a> for more details.
 * You can implement this interface and call {@link LocationManager#addNmeaListener}
 * to receive NMEA data from the GNSS engine.
+* @removed
 */
 public interface GnssNmeaListener {
     /** Called when an NMEA message is received. */
     void onNmeaReceived(long timestamp, String nmea);
-}
\ No newline at end of file
+}
diff --git a/location/java/android/location/GnssStatus.java b/location/java/android/location/GnssStatus.java
index d76feec..e834c30 100644
--- a/location/java/android/location/GnssStatus.java
+++ b/location/java/android/location/GnssStatus.java
@@ -23,9 +23,11 @@
 
 /**
  * This class represents the current state of the GNSS engine.
- * This class is used in conjunction with the {@link GnssStatusCallback}.
+ * This class is used in conjunction with the {@link GnssStatus.Callback}.
  */
 public final class GnssStatus {
+    // these must match the definitions in gps.h
+
     /** Unknown constellation type. */
     public static final int CONSTELLATION_UNKNOWN = 0;
     /** Constellation type constant for GPS. */
@@ -41,16 +43,6 @@
     /** Constellation type constant for Galileo. */
     public static final int CONSTELLATION_GALILEO = 6;
 
-    /**
-     * Constellation type.
-     * @hide
-     */
-    @Retention(RetentionPolicy.SOURCE)
-    @IntDef({CONSTELLATION_UNKNOWN, CONSTELLATION_GPS, CONSTELLATION_SBAS, CONSTELLATION_GLONASS,
-            CONSTELLATION_QZSS, CONSTELLATION_BEIDOU, CONSTELLATION_GALILEO})
-    public @interface ConstellationType {}
-
-    // these must match the definitions in gps.h
     /** @hide */
     public static final int GNSS_SV_FLAGS_NONE = 0;
     /** @hide */
@@ -67,6 +59,42 @@
     /** @hide */
     public static final int CONSTELLATION_TYPE_MASK = 0xf;
 
+    /**
+     * Used for receiving notifications when GNSS events happen.
+     */
+    public static abstract class Callback {
+        /**
+         * Called when GNSS system has started.
+         */
+        public void onStarted() {}
+
+        /**
+         * Called when GNSS system has stopped.
+         */
+        public void onStopped() {}
+
+        /**
+         * Called when the GNSS system has received its first fix since starting.
+         * @param ttffMillis the time from start to first fix in milliseconds.
+         */
+        public void onFirstFix(int ttffMillis) {}
+
+        /**
+         * Called periodically to report GNSS satellite status.
+         * @param status the current status of all satellites.
+         */
+        public void onSatelliteStatusChanged(GnssStatus status) {}
+    }
+
+    /**
+     * Constellation type.
+     * @hide
+     */
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef({CONSTELLATION_UNKNOWN, CONSTELLATION_GPS, CONSTELLATION_SBAS, CONSTELLATION_GLONASS,
+            CONSTELLATION_QZSS, CONSTELLATION_BEIDOU, CONSTELLATION_GALILEO})
+    public @interface ConstellationType {}
+
     /* These package private values are modified by the LocationManager class */
     /* package */ int[] mSvidWithFlags;
     /* package */ float[] mCn0DbHz;
@@ -83,15 +111,21 @@
         mAzimuths = azimuths;
     }
 
+    /** @removed */
+    public int getNumSatellites() {
+        return getSatelliteCount();
+    }
+
     /**
      * Gets the total number of satellites in satellite list.
      */
-    public int getNumSatellites() {
+    public int getSatelliteCount() {
         return mSvCount;
     }
 
     /**
-     * Retrieves the constellation type of the satellite at the specified position.
+     * Retrieves the constellation type of the satellite at the specified index.
+     *
      * @param satIndex the index of the satellite in the list.
      */
     @ConstellationType
@@ -101,7 +135,30 @@
     }
 
     /**
-     * Retrieves the pseudo-random number of the satellite at the specified position.
+     * Gets the identification number for the satellite at the specific index.
+     *
+     * <p>This svid is pseudo-random number for most constellations. It is FCN &amp; OSN number for
+     * Glonass.
+     *
+     * <p>The distinction is made by looking at constellation field
+     * {@link #getConstellationType(int)} Expected values are in the range of:
+     *
+     * <ul>
+     * <li>GPS: 1-32</li>
+     * <li>SBAS: 120-151, 183-192</li>
+     * <li>GLONASS:
+     * <ul>
+     *   <li>The least significant 8 bits, signed, are the orbital slot number (OSN) in the range
+     *   from 1-24, if known, or -127 if unknown</li>
+     *   <li>The next least signficant 8 bits, signed, are the frequency channel number (FCN) in the
+     *   range from -7 to +6, if known, and -127, if unknown</li>
+     *   <li>At least one of the two (FCN &amp; OSN) shall be set to a known value</li>
+     * </ul></li>
+     * <li>QZSS: 193-200</li>
+     * <li>Galileo: 1-36</li>
+     * <li>Beidou: 1-37</li>
+     * </ul>
+     *
      * @param satIndex the index of the satellite in the list.
      */
     public int getSvid(int satIndex) {
@@ -109,7 +166,9 @@
     }
 
     /**
-     * Retrieves the signal-noise ration of the satellite at the specified position.
+     * Retrieves the carrier-to-noise density at the antenna of the satellite at the specified index
+     * in dB-Hz.
+     *
      * @param satIndex the index of the satellite in the list.
      */
     public float getCn0DbHz(int satIndex) {
@@ -117,7 +176,8 @@
     }
 
     /**
-     * Retrieves the elevation of the satellite at the specified position.
+     * Retrieves the elevation of the satellite at the specified index.
+     *
      * @param satIndex the index of the satellite in the list.
      */
     public float getElevationDegrees(int satIndex) {
@@ -125,31 +185,46 @@
     }
 
     /**
-     * Retrieves the azimuth the satellite at the specified position.
+     * Retrieves the azimuth the satellite at the specified index.
+     *
      * @param satIndex the index of the satellite in the list.
      */
     public float getAzimuthDegrees(int satIndex) {
         return mAzimuths[satIndex];
     }
 
-    /**
-     * Detects whether the satellite at the specified position has ephemeris data.
-     * @param satIndex the index of the satellite in the list.
-     */
+    /** @removed */
     public boolean hasEphemeris(int satIndex) {
-        return (mSvidWithFlags[satIndex] & GNSS_SV_FLAGS_HAS_EPHEMERIS_DATA) != 0;
+        return hasEphemerisData(satIndex);
     }
 
     /**
-     * Detects whether the satellite at the specified position has almanac data.
+     * Reports whether the satellite at the specified index has ephemeris data.
+     *
      * @param satIndex the index of the satellite in the list.
      */
+    public boolean hasEphemerisData(int satIndex) {
+        return (mSvidWithFlags[satIndex] & GNSS_SV_FLAGS_HAS_EPHEMERIS_DATA) != 0;
+    }
+
+    /** @removed */
     public boolean hasAlmanac(int satIndex) {
+        return hasAlmanacData(satIndex);
+    }
+
+    /**
+     * Reports whether the satellite at the specified index has almanac data.
+     *
+     * @param satIndex the index of the satellite in the list.
+     */
+    public boolean hasAlmanacData(int satIndex) {
         return (mSvidWithFlags[satIndex] & GNSS_SV_FLAGS_HAS_ALMANAC_DATA) != 0;
     }
 
     /**
-     * Detects whether the satellite at the specified position is used in fix.
+     * Reports whether the satellite at the specified index was used in the calculation of the most
+     * recent position fix.
+     *
      * @param satIndex the index of the satellite in the list.
      */
     public boolean usedInFix(int satIndex) {
diff --git a/location/java/android/location/GnssStatusCallback.java b/location/java/android/location/GnssStatusCallback.java
index 0d2955a..bf295ef 100644
--- a/location/java/android/location/GnssStatusCallback.java
+++ b/location/java/android/location/GnssStatusCallback.java
@@ -18,6 +18,7 @@
 
 /**
  * Used for receiving notifications when GNSS events happen.
+ * @removed
  */
 public abstract class GnssStatusCallback {
     /**
diff --git a/location/java/android/location/GpsSatellite.java b/location/java/android/location/GpsSatellite.java
index 820f5746..788d01e 100644
--- a/location/java/android/location/GpsSatellite.java
+++ b/location/java/android/location/GpsSatellite.java
@@ -18,8 +18,12 @@
 
 /**
  * This class represents the current state of a GPS satellite.
+ *
  * This class is used in conjunction with the {@link GpsStatus} class.
+ *
+ * @deprecated use {@link GnssStatus} and {@link GnssStatus.Callback}.
  */
+@Deprecated
 public final class GpsSatellite {
     /* These package private values are modified by the GpsStatus class */
     boolean mValid;
diff --git a/location/java/android/location/GpsStatus.java b/location/java/android/location/GpsStatus.java
index bc518f9..038247b 100644
--- a/location/java/android/location/GpsStatus.java
+++ b/location/java/android/location/GpsStatus.java
@@ -24,8 +24,12 @@
 
 /**
  * This class represents the current state of the GPS engine.
- * This class is used in conjunction with the {@link Listener} interface.
+ *
+ * <p>This class is used in conjunction with the {@link Listener} interface.
+ *
+ * @deprecated use {@link GnssStatus} and {@link GnssStatus.Callback}.
  */
+@Deprecated
 public final class GpsStatus {
     private static final int NUM_SATELLITES = 255;
 
@@ -102,7 +106,9 @@
 
     /**
      * Used for receiving notifications when GPS status has changed.
+     * @deprecated use {@link GnssStatus.Callback} instead.
      */
+    @Deprecated
     public interface Listener {
         /**
          * Called to report changes in the GPS status.
@@ -130,7 +136,9 @@
      * See <a href="http://en.wikipedia.org/wiki/NMEA_0183">NMEA 0183</a> for more details.
      * You can implement this interface and call {@link LocationManager#addNmeaListener}
      * to receive NMEA data from the GPS engine.
+     * @deprecated use {@link OnNmeaMessageListener} instead.
      */
+    @Deprecated
     public interface NmeaListener {
         void onNmeaReceived(long timestamp, String nmea);
     }
diff --git a/location/java/android/location/IGnssNavigationMessageListener.aidl b/location/java/android/location/IGnssNavigationMessageListener.aidl
index de6129c..3e49b5b 100644
--- a/location/java/android/location/IGnssNavigationMessageListener.aidl
+++ b/location/java/android/location/IGnssNavigationMessageListener.aidl
@@ -16,12 +16,12 @@
 
 package android.location;
 
-import android.location.GnssNavigationMessageEvent;
+import android.location.GnssNavigationMessage;
 
 /**
  * {@hide}
  */
 oneway interface IGnssNavigationMessageListener {
-    void onGnssNavigationMessageReceived(in GnssNavigationMessageEvent event);
+    void onGnssNavigationMessageReceived(in GnssNavigationMessage event);
     void onStatusChanged(in int status);
 }
diff --git a/location/java/android/location/LocationManager.java b/location/java/android/location/LocationManager.java
index 28db099..b246360 100644
--- a/location/java/android/location/LocationManager.java
+++ b/location/java/android/location/LocationManager.java
@@ -70,10 +70,16 @@
             new HashMap<>();
     private final HashMap<GpsStatus.NmeaListener, GnssStatusListenerTransport> mGpsNmeaListeners =
             new HashMap<>();
-    private final HashMap<GnssStatusCallback, GnssStatusListenerTransport> mGnssStatusListeners =
+    private final HashMap<GnssStatusCallback, GnssStatusListenerTransport>
+            mOldGnssStatusListeners = new HashMap<>();
+    private final HashMap<GnssStatus.Callback, GnssStatusListenerTransport> mGnssStatusListeners =
             new HashMap<>();
-    private final HashMap<GnssNmeaListener, GnssStatusListenerTransport> mGnssNmeaListeners =
+    private final HashMap<GnssNmeaListener, GnssStatusListenerTransport> mOldGnssNmeaListeners =
             new HashMap<>();
+    private final HashMap<OnNmeaMessageListener, GnssStatusListenerTransport> mGnssNmeaListeners =
+            new HashMap<>();
+    private final HashMap<GnssNavigationMessageEvent.Callback, GnssNavigationMessage.Callback>
+            mNavigationMessageBridge = new HashMap<>();
     private GnssStatus mGnssStatus;
     private int mTimeToFirstFix;
 
@@ -1392,8 +1398,10 @@
 
         private final GpsStatus.Listener mGpsListener;
         private final GpsStatus.NmeaListener mGpsNmeaListener;
-        private final GnssStatusCallback mGnssCallback;
-        private final GnssNmeaListener mGnssNmeaListener;
+        private final GnssStatusCallback mOldGnssCallback;
+        private final GnssStatus.Callback mGnssCallback;
+        private final GnssNmeaListener mOldGnssNmeaListener;
+        private final OnNmeaMessageListener mGnssNmeaListener;
 
         private class GnssHandler extends Handler {
             public GnssHandler(Handler handler) {
@@ -1408,7 +1416,7 @@
                             int length = mNmeaBuffer.size();
                             for (int i = 0; i < length; i++) {
                                 Nmea nmea = mNmeaBuffer.get(i);
-                                mGnssNmeaListener.onNmeaReceived(nmea.mTimestamp, nmea.mNmea);
+                                mGnssNmeaListener.onNmeaMessage(nmea.mNmea, nmea.mTimestamp);
                             }
                             mNmeaBuffer.clear();
                         }
@@ -1456,7 +1464,8 @@
             mGnssHandler = new GnssHandler(handler);
             mGpsNmeaListener = null;
             mNmeaBuffer = null;
-            mGnssCallback = new GnssStatusCallback() {
+            mOldGnssCallback = null;
+            mGnssCallback = new GnssStatus.Callback() {
                 @Override
                 public void onStarted() {
                     mGpsListener.onGpsStatusChanged(GpsStatus.GPS_EVENT_STARTED);
@@ -1477,6 +1486,7 @@
                     mGpsListener.onGpsStatusChanged(GpsStatus.GPS_EVENT_SATELLITE_STATUS);
                 }
             };
+            mOldGnssNmeaListener = null;
             mGnssNmeaListener = null;
         }
 
@@ -1489,10 +1499,12 @@
             mGnssHandler = new GnssHandler(handler);
             mGpsNmeaListener = listener;
             mNmeaBuffer = new ArrayList<Nmea>();
+            mOldGnssCallback = null;
             mGnssCallback = null;
-            mGnssNmeaListener = new GnssNmeaListener() {
+            mOldGnssNmeaListener = null;
+            mGnssNmeaListener = new OnNmeaMessageListener() {
                 @Override
-                public void onNmeaReceived(long timestamp, String nmea) {
+                public void onNmeaMessage(String nmea, long timestamp) {
                     mGpsNmeaListener.onNmeaReceived(timestamp, nmea);
                 }
             };
@@ -1503,8 +1515,45 @@
         }
 
         GnssStatusListenerTransport(GnssStatusCallback callback, Handler handler) {
+            mOldGnssCallback = callback;
+            mGnssCallback = new GnssStatus.Callback() {
+                @Override
+                public void onStarted() {
+                    mOldGnssCallback.onStarted();
+                }
+
+                @Override
+                public void onStopped() {
+                    mOldGnssCallback.onStopped();
+                }
+
+                @Override
+                public void onFirstFix(int ttff) {
+                    mOldGnssCallback.onFirstFix(ttff);
+                }
+
+                @Override
+                public void onSatelliteStatusChanged(GnssStatus status) {
+                    mOldGnssCallback.onSatelliteStatusChanged(status);
+                }
+            };
+            mGnssHandler = new GnssHandler(handler);
+            mOldGnssNmeaListener = null;
+            mGnssNmeaListener = null;
+            mNmeaBuffer = null;
+            mGpsListener = null;
+            mGpsNmeaListener = null;
+        }
+
+        GnssStatusListenerTransport(GnssStatus.Callback callback) {
+            this(callback, null);
+        }
+
+        GnssStatusListenerTransport(GnssStatus.Callback callback, Handler handler) {
+            mOldGnssCallback = null;
             mGnssCallback = callback;
             mGnssHandler = new GnssHandler(handler);
+            mOldGnssNmeaListener = null;
             mGnssNmeaListener = null;
             mNmeaBuffer = null;
             mGpsListener = null;
@@ -1517,7 +1566,29 @@
 
         GnssStatusListenerTransport(GnssNmeaListener listener, Handler handler) {
             mGnssCallback = null;
+            mOldGnssCallback = null;
             mGnssHandler = new GnssHandler(handler);
+            mOldGnssNmeaListener = listener;
+            mGnssNmeaListener = new OnNmeaMessageListener() {
+                @Override
+                public void onNmeaMessage(String message, long timestamp) {
+                    mOldGnssNmeaListener.onNmeaReceived(timestamp, message);
+                }
+            };
+            mGpsListener = null;
+            mGpsNmeaListener = null;
+            mNmeaBuffer = new ArrayList<Nmea>();
+        }
+
+        GnssStatusListenerTransport(OnNmeaMessageListener listener) {
+            this(listener, null);
+        }
+
+        GnssStatusListenerTransport(OnNmeaMessageListener listener, Handler handler) {
+            mOldGnssCallback = null;
+            mGnssCallback = null;
+            mGnssHandler = new GnssHandler(handler);
+            mOldGnssNmeaListener = null;
             mGnssNmeaListener = listener;
             mGpsListener = null;
             mGpsNmeaListener = null;
@@ -1589,7 +1660,7 @@
      * @return true if the listener was successfully added
      *
      * @throws SecurityException if the ACCESS_FINE_LOCATION permission is not present
-     * @deprecated use {@link #registerGnssStatusCallback(GnssStatusCallback)} instead.
+     * @deprecated use {@link #registerGnssStatusCallback(GnssStatus.Callback)} instead.
      */
     @Deprecated
     @RequiresPermission(ACCESS_FINE_LOCATION)
@@ -1617,6 +1688,7 @@
      * Removes a GPS status listener.
      *
      * @param listener GPS status listener object to remove
+     * @deprecated use {@link #unregisterGnssStatusCallback(GnssStatus.Callback)} instead.
      */
     @Deprecated
     public void removeGpsStatusListener(GpsStatus.Listener listener) {
@@ -1630,7 +1702,6 @@
         }
     }
 
-
     /**
      * Registers a GNSS status listener.
      *
@@ -1639,6 +1710,7 @@
      * @return true if the listener was successfully added
      *
      * @throws SecurityException if the ACCESS_FINE_LOCATION permission is not present
+     * @removed
      */
     @RequiresPermission(ACCESS_FINE_LOCATION)
     public boolean registerGnssStatusCallback(GnssStatusCallback callback) {
@@ -1654,10 +1726,73 @@
      * @return true if the listener was successfully added
      *
      * @throws SecurityException if the ACCESS_FINE_LOCATION permission is not present
+     * @removed
      */
     @RequiresPermission(ACCESS_FINE_LOCATION)
     public boolean registerGnssStatusCallback(GnssStatusCallback callback, Handler handler) {
         boolean result;
+        if (mOldGnssStatusListeners.get(callback) != null) {
+            // listener is already registered
+            return true;
+        }
+        try {
+            GnssStatusListenerTransport transport =
+                    new GnssStatusListenerTransport(callback, handler);
+            result = mService.registerGnssStatusCallback(transport, mContext.getPackageName());
+            if (result) {
+                mOldGnssStatusListeners.put(callback, transport);
+            }
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+
+        return result;
+    }
+
+    /**
+     * Removes a GNSS status listener.
+     *
+     * @param callback GNSS status listener object to remove
+     * @removed
+     */
+    public void unregisterGnssStatusCallback(GnssStatusCallback callback) {
+        try {
+            GnssStatusListenerTransport transport = mOldGnssStatusListeners.remove(callback);
+            if (transport != null) {
+                mService.unregisterGnssStatusCallback(transport);
+            }
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
+     * Registers a GNSS status listener.
+     *
+     * @param callback GNSS status listener object to register
+     *
+     * @return true if the listener was successfully added
+     *
+     * @throws SecurityException if the ACCESS_FINE_LOCATION permission is not present
+     */
+    @RequiresPermission(ACCESS_FINE_LOCATION)
+    public boolean registerGnssStatusCallback(GnssStatus.Callback callback) {
+        return registerGnssStatusCallback(callback, null);
+    }
+
+    /**
+     * Registers a GNSS status listener.
+     *
+     * @param callback GNSS status listener object to register
+     * @param handler the handler that the callback runs on.
+     *
+     * @return true if the listener was successfully added
+     *
+     * @throws SecurityException if the ACCESS_FINE_LOCATION permission is not present
+     */
+    @RequiresPermission(ACCESS_FINE_LOCATION)
+    public boolean registerGnssStatusCallback(GnssStatus.Callback callback, Handler handler) {
+        boolean result;
         if (mGnssStatusListeners.get(callback) != null) {
             // listener is already registered
             return true;
@@ -1681,7 +1816,7 @@
      *
      * @param callback GNSS status listener object to remove
      */
-    public void unregisterGnssStatusCallback(GnssStatusCallback callback) {
+    public void unregisterGnssStatusCallback(GnssStatus.Callback callback) {
         try {
             GnssStatusListenerTransport transport = mGnssStatusListeners.remove(callback);
             if (transport != null) {
@@ -1700,7 +1835,7 @@
      * @return true if the listener was successfully added
      *
      * @throws SecurityException if the ACCESS_FINE_LOCATION permission is not present
-     * @deprecated use {@link #addNmeaListener(GnssNmeaListener)} instead.
+     * @deprecated use {@link #addNmeaListener(OnNmeaMessageListener)} instead.
      */
     @Deprecated
     @RequiresPermission(ACCESS_FINE_LOCATION)
@@ -1728,6 +1863,7 @@
      * Removes an NMEA listener.
      *
      * @param listener a {@link GpsStatus.NmeaListener} object to remove
+     * @deprecated use {@link #removeNmeaListener(OnNmeaMessageListener)} instead.
      */
     @Deprecated
     public void removeNmeaListener(GpsStatus.NmeaListener listener) {
@@ -1749,6 +1885,7 @@
      * @return true if the listener was successfully added
      *
      * @throws SecurityException if the ACCESS_FINE_LOCATION permission is not present
+     * @removed
      */
     @RequiresPermission(ACCESS_FINE_LOCATION)
     public boolean addNmeaListener(GnssNmeaListener listener) {
@@ -1764,6 +1901,7 @@
      * @return true if the listener was successfully added
      *
      * @throws SecurityException if the ACCESS_FINE_LOCATION permission is not present
+     * @removed
      */
     @RequiresPermission(ACCESS_FINE_LOCATION)
     public boolean addNmeaListener(GnssNmeaListener listener, Handler handler) {
@@ -1778,6 +1916,69 @@
                     new GnssStatusListenerTransport(listener, handler);
             result = mService.registerGnssStatusCallback(transport, mContext.getPackageName());
             if (result) {
+                mOldGnssNmeaListeners.put(listener, transport);
+            }
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+
+        return result;
+    }
+
+    /**
+     * Removes an NMEA listener.
+     *
+     * @param listener a {@link GnssNmeaListener} object to remove
+     * @removed
+     */
+    public void removeNmeaListener(GnssNmeaListener listener) {
+        try {
+            GnssStatusListenerTransport transport = mOldGnssNmeaListeners.remove(listener);
+            if (transport != null) {
+                mService.unregisterGnssStatusCallback(transport);
+            }
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
+     * Adds an NMEA listener.
+     *
+     * @param listener a {@link OnNmeaMessageListener} object to register
+     *
+     * @return true if the listener was successfully added
+     *
+     * @throws SecurityException if the ACCESS_FINE_LOCATION permission is not present
+     */
+    @RequiresPermission(ACCESS_FINE_LOCATION)
+    public boolean addNmeaListener(OnNmeaMessageListener listener) {
+        return addNmeaListener(listener, null);
+    }
+
+    /**
+     * Adds an NMEA listener.
+     *
+     * @param listener a {@link OnNmeaMessageListener} object to register
+     * @param handler the handler that the listener runs on.
+     *
+     * @return true if the listener was successfully added
+     *
+     * @throws SecurityException if the ACCESS_FINE_LOCATION permission is not present
+     */
+    @RequiresPermission(ACCESS_FINE_LOCATION)
+    public boolean addNmeaListener(OnNmeaMessageListener listener, Handler handler) {
+        boolean result;
+
+        if (mGpsNmeaListeners.get(listener) != null) {
+            // listener is already registered
+            return true;
+        }
+        try {
+            GnssStatusListenerTransport transport =
+                    new GnssStatusListenerTransport(listener, handler);
+            result = mService.registerGnssStatusCallback(transport, mContext.getPackageName());
+            if (result) {
                 mGnssNmeaListeners.put(listener, transport);
             }
         } catch (RemoteException e) {
@@ -1790,9 +1991,9 @@
     /**
      * Removes an NMEA listener.
      *
-     * @param listener a {@link GnssNmeaListener} object to remove
+     * @param listener a {@link OnNmeaMessageListener} object to remove
      */
-    public void removeNmeaListener(GnssNmeaListener listener) {
+    public void removeNmeaListener(OnNmeaMessageListener listener) {
         try {
             GnssStatusListenerTransport transport = mGnssNmeaListeners.remove(listener);
             if (transport != null) {
@@ -1843,7 +2044,8 @@
      * No-op method to keep backward-compatibility.
      * Don't use it. Use {@link #unregisterGnssMeasurementsCallback} instead.
      * @hide
-     * @deprecated
+     * @deprecated use {@link #unregisterGnssMeasurementsCallback(GnssMeasurementsEvent.Callback)}
+     * instead.
      */
     @Deprecated
     @SystemApi
@@ -1872,10 +2074,23 @@
     }
 
     /**
-     * Registers a GPS Navigation Message callback.
+     * No-op method to keep backward-compatibility.
+     * Don't use it. Use {@link #unregisterGnssNavigationMessageCallback} instead.
+     * @hide
+     * @deprecated use {@link #unregisterGnssNavigationMessageCallback(GnssMeasurements.Callback)}
+     * instead
+     */
+    @Deprecated
+    @SystemApi
+    public void removeGpsNavigationMessageListener(GpsNavigationMessageEvent.Listener listener) {
+    }
+
+    /**
+     * Registers a GNSS Navigation Message callback.
      *
      * @param callback a {@link GnssNavigationMessageEvent.Callback} object to register.
      * @return {@code true} if the callback was added successfully, {@code false} otherwise.
+     * @removed
      */
     public boolean registerGnssNavigationMessageCallback(
             GnssNavigationMessageEvent.Callback callback) {
@@ -1883,40 +2098,80 @@
     }
 
     /**
-     * Registers a GPS Navigation Message callback.
+     * Registers a GNSS Navigation Message callback.
      *
      * @param callback a {@link GnssNavigationMessageEvent.Callback} object to register.
      * @param handler the handler that the callback runs on.
      * @return {@code true} if the callback was added successfully, {@code false} otherwise.
+     * @removed
+     */
+    @RequiresPermission(ACCESS_FINE_LOCATION)
+    public boolean registerGnssNavigationMessageCallback(
+            final GnssNavigationMessageEvent.Callback callback, Handler handler) {
+        GnssNavigationMessage.Callback bridge = new GnssNavigationMessage.Callback() {
+            @Override
+            public void onGnssNavigationMessageReceived(GnssNavigationMessage message) {
+                GnssNavigationMessageEvent event = new GnssNavigationMessageEvent(message);
+                callback.onGnssNavigationMessageReceived(event);
+            }
+
+            @Override
+            public void onStatusChanged(int status) {
+                callback.onStatusChanged(status);
+            }
+        };
+        mNavigationMessageBridge.put(callback, bridge);
+        return mGnssNavigationMessageCallbackTransport.add(bridge, handler);
+    }
+
+    /**
+     * Unregisters a GNSS Navigation Message callback.
+     *
+     * @param callback a {@link GnssNavigationMessageEvent.Callback} object to remove.
+     * @removed
+     */
+    public void unregisterGnssNavigationMessageCallback(
+            GnssNavigationMessageEvent.Callback callback) {
+        mGnssNavigationMessageCallbackTransport.remove(
+                mNavigationMessageBridge.remove(
+                        callback));
+    }
+
+    /**
+     * Registers a GNSS Navigation Message callback.
+     *
+     * @param callback a {@link GnssNavigationMessage.Callback} object to register.
+     * @return {@code true} if the callback was added successfully, {@code false} otherwise.
+     */
+    public boolean registerGnssNavigationMessageCallback(
+            GnssNavigationMessage.Callback callback) {
+        return registerGnssNavigationMessageCallback(callback, null);
+    }
+
+    /**
+     * Registers a GNSS Navigation Message callback.
+     *
+     * @param callback a {@link GnssNavigationMessage.Callback} object to register.
+     * @param handler the handler that the callback runs on.
+     * @return {@code true} if the callback was added successfully, {@code false} otherwise.
      */
     @RequiresPermission(ACCESS_FINE_LOCATION)
     public boolean registerGnssNavigationMessageCallback(
-            GnssNavigationMessageEvent.Callback callback, Handler handler) {
+            GnssNavigationMessage.Callback callback, Handler handler) {
         return mGnssNavigationMessageCallbackTransport.add(callback, handler);
     }
 
     /**
-     * Unregisters a GPS Navigation Message callback.
+     * Unregisters a GNSS Navigation Message callback.
      *
-     * @param callback a {@link GnssNavigationMessageEvent.Callback} object to remove.
+     * @param callback a {@link GnssNavigationMessage.Callback} object to remove.
      */
     public void unregisterGnssNavigationMessageCallback(
-            GnssNavigationMessageEvent.Callback callback) {
+            GnssNavigationMessage.Callback callback) {
         mGnssNavigationMessageCallbackTransport.remove(callback);
     }
 
     /**
-     * No-op method to keep backward-compatibility.
-     * Don't use it. Use {@link #unregisterGnssNavigationMessageCallback} instead.
-     * @hide
-     * @deprecated
-     */
-    @Deprecated
-    @SystemApi
-    public void removeGpsNavigationMessageListener(GpsNavigationMessageEvent.Listener listener) {
-    }
-
-    /**
      * Retrieves information about the current status of the GPS engine.
      * This should only be called from the {@link GpsStatus.Listener#onGpsStatusChanged}
      * callback to ensure that the data is copied atomically.
diff --git a/location/java/android/location/OnNmeaMessageListener.java b/location/java/android/location/OnNmeaMessageListener.java
new file mode 100644
index 0000000..ccf6ce8
--- /dev/null
+++ b/location/java/android/location/OnNmeaMessageListener.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.location;
+
+/**
+* Used for receiving NMEA sentences from the GNSS.
+* NMEA 0183 is a standard for communicating with marine electronic devices
+* and is a common method for receiving data from a GNSS, typically over a serial port.
+* See <a href="http://en.wikipedia.org/wiki/NMEA_0183">NMEA 0183</a> for more details.
+* You can implement this interface and call {@link LocationManager#addNmeaListener}
+* to receive NMEA data from the GNSS engine.
+*/
+public interface OnNmeaMessageListener {
+    /**
+     * Called when an NMEA message is received.
+     * @param message NMEA message
+     * @param timestamp milliseconds since January 1, 1970.
+     */
+    void onNmeaMessage(String message, long timestamp);
+}
diff --git a/media/jni/android_media_MediaDataSource.cpp b/media/jni/android_media_MediaDataSource.cpp
index 537b56d..d07942b 100644
--- a/media/jni/android_media_MediaDataSource.cpp
+++ b/media/jni/android_media_MediaDataSource.cpp
@@ -155,4 +155,8 @@
     return 0;
 }
 
+String8 JMediaDataSource::toString() {
+    return String8::format("JMediaDataSource(pid %d, uid %d)", getpid(), getuid());
+}
+
 }  // namespace android
diff --git a/media/jni/android_media_MediaDataSource.h b/media/jni/android_media_MediaDataSource.h
index 34624eb..378baf4 100644
--- a/media/jni/android_media_MediaDataSource.h
+++ b/media/jni/android_media_MediaDataSource.h
@@ -46,6 +46,7 @@
     virtual status_t getSize(off64_t* size);
     virtual void close();
     virtual uint32_t getFlags();
+    virtual String8 toString();
 
 private:
     // Protect all member variables with mLock because this object will be
diff --git a/packages/DocumentsUI/res/values/colors.xml b/packages/DocumentsUI/res/values/colors.xml
index 1660e26..cf0643d 100644
--- a/packages/DocumentsUI/res/values/colors.xml
+++ b/packages/DocumentsUI/res/values/colors.xml
@@ -31,6 +31,7 @@
     <color name="accent">@*android:color/accent_material_light</color>
     <color name="accent_dark">@*android:color/accent_material_dark</color>
     <color name="action_mode">@color/material_grey_400</color>
+    <color name="status_bar_color">@*android:color/material_blue_grey_950</color>
 
     <color name="band_select_background">#88ffffff</color>
     <color name="band_select_border">#44000000</color>
diff --git a/packages/DocumentsUI/res/values/styles.xml b/packages/DocumentsUI/res/values/styles.xml
index b0996aa..9f09ebc 100644
--- a/packages/DocumentsUI/res/values/styles.xml
+++ b/packages/DocumentsUI/res/values/styles.xml
@@ -30,6 +30,7 @@
         <item name="android:colorAccent">@color/accent</item>
         <item name="colorActionMode">@color/action_mode</item>
         <item name="android:queryBackground">@color/menu_search_background</item>
+        <item name="android:statusBarColor">@color/status_bar_color</item>
 
         <item name="android:listDivider">@*android:drawable/list_divider_material</item>
 
diff --git a/packages/DocumentsUI/src/com/android/documentsui/BaseActivity.java b/packages/DocumentsUI/src/com/android/documentsui/BaseActivity.java
index 0d6ddf2..4ee37a5 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/BaseActivity.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/BaseActivity.java
@@ -101,16 +101,6 @@
     @CallSuper
     @Override
     public void onCreate(Bundle icicle) {
-        // This flag is being set here as a result of the bug. When the flag was set in the
-        // styles.xml keyboard was messing the layout of dialogs (create dir, rename).
-        // Attempts were made to keep the flag in the main theme and to override it in the dialog
-        // layout xml or to create separate style for dialog and assign it in styles.xml.
-        // None of this brought successful results.
-        // Setting the flag works here most probably because of the timing when it is set. Also the
-        // setting might not affect the dialogs that are created in new windows or it affects them
-        // in the different way that having this in the style.
-        getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
-
         // Record the time when onCreate is invoked for metric.
         mStartTime = new Date().getTime();
 
@@ -140,7 +130,6 @@
         mSearchManager = new SearchViewManager(this, icicle);
 
         DocumentsToolbar toolbar = (DocumentsToolbar) findViewById(R.id.toolbar);
-        Display.adjustToolbar(toolbar, this);
         setActionBar(toolbar);
         mNavigator = new NavigationView(
                 mDrawer,
diff --git a/packages/DocumentsUI/src/com/android/documentsui/Display.java b/packages/DocumentsUI/src/com/android/documentsui/Display.java
index d46a3ea..8b13222 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/Display.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/Display.java
@@ -20,8 +20,6 @@
 import android.content.Context;
 import android.graphics.Point;
 import android.util.TypedValue;
-import android.view.WindowManager;
-import android.widget.Toolbar;
 
 /*
  * Convenience class for getting display related attributes
@@ -47,41 +45,12 @@
      * Returns action bar height in raw pixels.
      */
     public static float actionBarHeight(Context context) {
-        int height = 0;
+        int actionBarHeight = 0;
         TypedValue tv = new TypedValue();
         if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) {
-            height = TypedValue.complexToDimensionPixelSize(tv.data,
+            actionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data,
                     context.getResources().getDisplayMetrics());
         }
-        return height;
-    }
-
-    /*
-     * Returns status bar height in raw pixels.
-     */
-    private static int statusBarHeight(Context context) {
-        int height = 0;
-        int resourceId = context.getResources().getIdentifier("status_bar_height", "dimen",
-                "android");
-        if (resourceId > 0) {
-            height = context.getResources().getDimensionPixelSize(resourceId);
-        }
-        return height;
-    }
-
-    /*
-     * Adjusts toolbar for the layout with translucent status bar. Increases the
-     * height of the toolbar and adds padding at the top to accommodate status bar visible above
-     * toolbar.
-     */
-    public static void adjustToolbar(Toolbar toolbar, Activity activity) {
-        if ((activity.getWindow().getAttributes().flags
-                & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) != 0) {
-            int statusBarHeight = Display.statusBarHeight(activity);
-            toolbar.getLayoutParams().height = (int) (Display.actionBarHeight(activity)
-                    + statusBarHeight);
-            toolbar.setPadding(toolbar.getPaddingLeft(), statusBarHeight, toolbar.getPaddingRight(),
-                    toolbar.getPaddingBottom());
-        }
+        return actionBarHeight;
     }
 }
diff --git a/packages/DocumentsUI/src/com/android/documentsui/DrawerController.java b/packages/DocumentsUI/src/com/android/documentsui/DrawerController.java
index 7a4099a..14e6b69 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/DrawerController.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/DrawerController.java
@@ -84,7 +84,7 @@
 
         View drawer = activity.findViewById(R.id.drawer_roots);
         Toolbar toolbar = (Toolbar) activity.findViewById(R.id.roots_toolbar);
-        Display.adjustToolbar(toolbar, activity);
+
         drawer.getLayoutParams().width = calculateDrawerWidth(activity);
 
         ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
diff --git a/packages/DocumentsUI/src/com/android/documentsui/State.java b/packages/DocumentsUI/src/com/android/documentsui/State.java
index c7d60e3..f239eb4 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/State.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/State.java
@@ -123,9 +123,6 @@
     /** Instance state for every shown directory */
     public HashMap<String, SparseArray<Parcelable>> dirState = new HashMap<>();
 
-    /** UI selection */
-    public Selection selectedDocuments = new Selection();
-
     /** Currently copying file */
     public List<DocumentInfo> selectedDocumentsForCopy = new ArrayList<>();
 
@@ -202,7 +199,6 @@
         out.writeInt(external ? 1 : 0);
         DurableUtils.writeToParcel(out, stack);
         out.writeMap(dirState);
-        out.writeParcelable(selectedDocuments, 0);
         out.writeList(selectedDocumentsForCopy);
         out.writeList(excludedAuthorities);
         out.writeInt(openableOnly ? 1 : 0);
@@ -233,7 +229,6 @@
             state.external = in.readInt() != 0;
             DurableUtils.readFromParcel(in, state.stack);
             in.readMap(state.dirState, loader);
-            state.selectedDocuments = in.readParcelable(loader);
             in.readList(state.selectedDocumentsForCopy, loader);
             in.readList(state.excludedAuthorities, loader);
             state.openableOnly = in.readInt() != 0;
diff --git a/packages/DocumentsUI/src/com/android/documentsui/dirlist/DirectoryFragment.java b/packages/DocumentsUI/src/com/android/documentsui/dirlist/DirectoryFragment.java
index 630f359..1c85a8a 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/dirlist/DirectoryFragment.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/dirlist/DirectoryFragment.java
@@ -45,6 +45,7 @@
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Bundle;
+import android.os.Parcel;
 import android.os.Parcelable;
 import android.provider.DocumentsContract;
 import android.provider.DocumentsContract.Document;
@@ -226,7 +227,8 @@
         mStateKey = buildStateKey(mRoot, mDocument);
         mQuery = args.getString(Shared.EXTRA_QUERY);
         mType = args.getInt(Shared.EXTRA_TYPE);
-        mSelection = args.getParcelable(Shared.EXTRA_SELECTION);
+        final Selection selection = args.getParcelable(Shared.EXTRA_SELECTION);
+        mSelection = selection != null ? selection : new Selection();
         mSearchMode = args.getBoolean(Shared.EXTRA_SEARCH_MODE);
 
         mIconHelper = new IconHelper(context, MODE_GRID);
@@ -290,14 +292,25 @@
         outState.putParcelable(Shared.EXTRA_ROOT, mRoot);
         outState.putParcelable(Shared.EXTRA_DOC, mDocument);
         outState.putString(Shared.EXTRA_QUERY, mQuery);
-        outState.putParcelable(Shared.EXTRA_SELECTION, mSelection);
-        outState.putBoolean(Shared.EXTRA_SEARCH_MODE, mSearchMode);
 
+        // Workaround. To avoid crash, write only up to 512 KB of selection.
+        // If more files are selected, then the selection will be lost.
+        final Parcel parcel = Parcel.obtain();
+        try {
+            mSelection.writeToParcel(parcel, 0);
+            if (parcel.dataSize() <= 512 * 1024) {
+                outState.putParcelable(Shared.EXTRA_SELECTION, mSelection);
+            }
+        } finally {
+            parcel.recycle();
+        }
+
+        outState.putBoolean(Shared.EXTRA_SEARCH_MODE, mSearchMode);
     }
 
     @Override
     public void onActivityResult(@RequestCode int requestCode, int resultCode, Intent data) {
-        switch(requestCode) {
+        switch (requestCode) {
             case REQUEST_COPY_DESTINATION:
                 handleCopyResult(resultCode, data);
                 break;
@@ -490,24 +503,19 @@
         @Override
         public void onSelectionChanged() {
             mSelectionManager.getSelection(mSelected);
-            TypedValue color = new TypedValue();
             if (mSelected.size() > 0) {
                 if (DEBUG) Log.d(TAG, "Maybe starting action mode.");
                 if (mActionMode == null) {
                     if (DEBUG) Log.d(TAG, "Yeah. Starting action mode.");
                     mActionMode = getActivity().startActionMode(this);
                 }
-                getActivity().getTheme().resolveAttribute(R.attr.colorActionMode, color, true);
                 updateActionMenu();
             } else {
                 if (DEBUG) Log.d(TAG, "Finishing action mode.");
                 if (mActionMode != null) {
                     mActionMode.finish();
                 }
-                getActivity().getTheme().resolveAttribute(
-                    android.R.attr.colorPrimaryDark, color, true);
             }
-            getActivity().getWindow().setStatusBarColor(color.data);
 
             if (mActionMode != null) {
                 final String title = Shared.getQuantityString(getActivity(),
diff --git a/packages/Keyguard/res/drawable/ic_backspace_24dp.xml b/packages/Keyguard/res/drawable/ic_backspace_24dp.xml
index 47c8d14..1e4022e 100644
--- a/packages/Keyguard/res/drawable/ic_backspace_24dp.xml
+++ b/packages/Keyguard/res/drawable/ic_backspace_24dp.xml
@@ -15,6 +15,7 @@
 -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
         android:width="24dp"
+        android:autoMirrored="true"
         android:height="24dp"
         android:viewportWidth="48.0"
         android:viewportHeight="48.0">
diff --git a/packages/Keyguard/res/values/attrs.xml b/packages/Keyguard/res/values/attrs.xml
index 96a5bcc..7cfe631 100644
--- a/packages/Keyguard/res/values/attrs.xml
+++ b/packages/Keyguard/res/values/attrs.xml
@@ -32,6 +32,9 @@
 
     <declare-styleable name="PasswordTextView">
         <attr name="scaledTextSize" format="integer" />
+        <attr name="android:gravity" />
+        <attr name="dotSize" format="dimension" />
+        <attr name="charPadding" format="dimension" />
     </declare-styleable>
 
     <declare-styleable name="CarrierText">
diff --git a/packages/Keyguard/src/com/android/keyguard/NumPadKey.java b/packages/Keyguard/src/com/android/keyguard/NumPadKey.java
index ef8bb0b..2ff7e12 100644
--- a/packages/Keyguard/src/com/android/keyguard/NumPadKey.java
+++ b/packages/Keyguard/src/com/android/keyguard/NumPadKey.java
@@ -71,6 +71,10 @@
     }
 
     public NumPadKey(Context context, AttributeSet attrs, int defStyle) {
+        this(context, attrs, defStyle, R.layout.keyguard_num_pad_key);
+    }
+
+    protected NumPadKey(Context context, AttributeSet attrs, int defStyle, int contentResource) {
         super(context, attrs, defStyle);
         setFocusable(true);
 
@@ -92,7 +96,7 @@
         mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
         LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(
                 Context.LAYOUT_INFLATER_SERVICE);
-        inflater.inflate(R.layout.keyguard_num_pad_key, this, true);
+        inflater.inflate(contentResource, this, true);
 
         mDigitText = (TextView) findViewById(R.id.digit_text);
         mDigitText.setText(Integer.toString(mDigit));
@@ -113,7 +117,11 @@
             }
         }
 
-        setBackground(mContext.getDrawable(R.drawable.ripple_drawable));
+        a = context.obtainStyledAttributes(attrs, android.R.styleable.View);
+        if (!a.hasValueOrEmpty(android.R.styleable.View_background)) {
+            setBackground(mContext.getDrawable(R.drawable.ripple_drawable));
+        }
+        a.recycle();
         setContentDescription(mDigitText.getText().toString());
     }
 
diff --git a/packages/Keyguard/src/com/android/keyguard/PasswordTextView.java b/packages/Keyguard/src/com/android/keyguard/PasswordTextView.java
index 50e7ecb..6eea81b 100644
--- a/packages/Keyguard/src/com/android/keyguard/PasswordTextView.java
+++ b/packages/Keyguard/src/com/android/keyguard/PasswordTextView.java
@@ -33,6 +33,7 @@
 import android.text.InputType;
 import android.text.TextUtils;
 import android.util.AttributeSet;
+import android.view.Gravity;
 import android.view.View;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
@@ -81,6 +82,7 @@
      * The raw text size, will be multiplied by the scaled density when drawn
      */
     private final int mTextHeightRaw;
+    private final int mGravity;
     private ArrayList<CharState> mTextChars = new ArrayList<>();
     private String mText = "";
     private Stack<CharState> mCharPool = new Stack<>();
@@ -118,6 +120,12 @@
         TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.PasswordTextView);
         try {
             mTextHeightRaw = a.getInt(R.styleable.PasswordTextView_scaledTextSize, 0);
+            mGravity = a.getInt(R.styleable.PasswordTextView_android_gravity, Gravity.CENTER);
+            mDotSize = a.getDimensionPixelSize(R.styleable.PasswordTextView_dotSize,
+                    getContext().getResources().getDimensionPixelSize(R.dimen.password_dot_size));
+            mCharPadding = a.getDimensionPixelSize(R.styleable.PasswordTextView_charPadding,
+                    getContext().getResources().getDimensionPixelSize(
+                            R.dimen.password_char_padding));
         } finally {
             a.recycle();
         }
@@ -125,9 +133,6 @@
         mDrawPaint.setTextAlign(Paint.Align.CENTER);
         mDrawPaint.setColor(0xffffffff);
         mDrawPaint.setTypeface(Typeface.create("sans-serif-light", 0));
-        mDotSize = getContext().getResources().getDimensionPixelSize(R.dimen.password_dot_size);
-        mCharPadding = getContext().getResources().getDimensionPixelSize(R.dimen
-                .password_char_padding);
         mShowPassword = Settings.System.getInt(mContext.getContentResolver(),
                 Settings.System.TEXT_SHOW_PASSWORD, 1) == 1;
         mAppearInterpolator = AnimationUtils.loadInterpolator(mContext,
@@ -142,11 +147,23 @@
     @Override
     protected void onDraw(Canvas canvas) {
         float totalDrawingWidth = getDrawingWidth();
-        float currentDrawPosition = getWidth() / 2 - totalDrawingWidth / 2;
+        float currentDrawPosition;
+        if ((mGravity & Gravity.START) != 0) {
+            if (getLayoutDirection() == LAYOUT_DIRECTION_RTL) {
+                currentDrawPosition = getWidth() - getPaddingRight() - totalDrawingWidth;
+            } else {
+                currentDrawPosition = getPaddingLeft();
+            }
+        } else {
+            currentDrawPosition = getWidth() / 2 - totalDrawingWidth / 2;
+        }
         int length = mTextChars.size();
         Rect bounds = getCharBounds();
         int charHeight = (bounds.bottom - bounds.top);
-        float yPosition = getHeight() / 2;
+        float yPosition =
+                (getHeight() - getPaddingBottom() - getPaddingTop()) / 2 + getPaddingTop();
+        canvas.clipRect(getPaddingLeft(), getPaddingTop(),
+                getWidth()-getPaddingRight(), getHeight()-getPaddingBottom());
         float charLength = bounds.right - bounds.left;
         for (int i = 0; i < length; i++) {
             CharState charState = mTextChars.get(i);
diff --git a/packages/SettingsLib/src/com/android/settingslib/RestrictedLockUtils.java b/packages/SettingsLib/src/com/android/settingslib/RestrictedLockUtils.java
index e86ca82..59637be 100644
--- a/packages/SettingsLib/src/com/android/settingslib/RestrictedLockUtils.java
+++ b/packages/SettingsLib/src/com/android/settingslib/RestrictedLockUtils.java
@@ -459,58 +459,40 @@
         LockPatternUtils lockPatternUtils = new LockPatternUtils(context);
         EnforcedAdmin enforcedAdmin = null;
         final int userId = UserHandle.myUserId();
-        if (lockPatternUtils.isSeparateProfileChallengeEnabled(userId)) {
-            // userId is managed profile and has a separate challenge, only consider
-            // the admins in that user.
-            final List<ComponentName> admins = dpm.getActiveAdminsAsUser(userId);
+        final UserManager um = UserManager.get(context);
+        final List<UserInfo> profiles = um.getProfiles(userId);
+        final int profilesSize = profiles.size();
+        // As we do not have a separate screen lock timeout settings for work challenge,
+        // we need to combine all profiles maximum time to lock even work challenge is
+        // enabled.
+        for (int i = 0; i < profilesSize; i++) {
+            final UserInfo userInfo = profiles.get(i);
+            final List<ComponentName> admins = dpm.getActiveAdminsAsUser(userInfo.id);
             if (admins == null) {
-                return null;
+                continue;
             }
             for (ComponentName admin : admins) {
-                if (dpm.getMaximumTimeToLock(admin, userId) > 0) {
+                if (dpm.getMaximumTimeToLock(admin, userInfo.id) > 0) {
                     if (enforcedAdmin == null) {
-                        enforcedAdmin = new EnforcedAdmin(admin, userId);
+                        enforcedAdmin = new EnforcedAdmin(admin, userInfo.id);
                     } else {
                         return EnforcedAdmin.MULTIPLE_ENFORCED_ADMIN;
                     }
-                }
-            }
-        } else {
-            // Return all admins for this user and the profiles that are visible from this
-            // user that do not use a separate work challenge.
-            final UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE);
-            for (UserInfo userInfo : um.getProfiles(userId)) {
-                final List<ComponentName> admins = dpm.getActiveAdminsAsUser(userInfo.id);
-                if (admins == null) {
+                    // This same admins could have set policies both on the managed profile
+                    // and on the parent. So, if the admin has set the policy on the
+                    // managed profile here, we don't need to further check if that admin
+                    // has set policy on the parent admin.
                     continue;
                 }
-                final boolean isSeparateProfileChallengeEnabled =
-                        lockPatternUtils.isSeparateProfileChallengeEnabled(userInfo.id);
-                for (ComponentName admin : admins) {
-                    if (!isSeparateProfileChallengeEnabled) {
-                        if (dpm.getMaximumTimeToLock(admin, userInfo.id) > 0) {
-                            if (enforcedAdmin == null) {
-                                enforcedAdmin = new EnforcedAdmin(admin, userInfo.id);
-                            } else {
-                                return EnforcedAdmin.MULTIPLE_ENFORCED_ADMIN;
-                            }
-                            // This same admins could have set policies both on the managed profile
-                            // and on the parent. So, if the admin has set the policy on the
-                            // managed profile here, we don't need to further check if that admin
-                            // has set policy on the parent admin.
-                            continue;
-                        }
-                    }
-                    if (userInfo.isManagedProfile()) {
-                        // If userInfo.id is a managed profile, we also need to look at
-                        // the policies set on the parent.
-                        DevicePolicyManager parentDpm = dpm.getParentProfileInstance(userInfo);
-                        if (parentDpm.getMaximumTimeToLock(admin, userInfo.id) > 0) {
-                            if (enforcedAdmin == null) {
-                                enforcedAdmin = new EnforcedAdmin(admin, userInfo.id);
-                            } else {
-                                return EnforcedAdmin.MULTIPLE_ENFORCED_ADMIN;
-                            }
+                if (userInfo.isManagedProfile()) {
+                    // If userInfo.id is a managed profile, we also need to look at
+                    // the policies set on the parent.
+                    final DevicePolicyManager parentDpm = dpm.getParentProfileInstance(userInfo);
+                    if (parentDpm.getMaximumTimeToLock(admin, userInfo.id) > 0) {
+                        if (enforcedAdmin == null) {
+                            enforcedAdmin = new EnforcedAdmin(admin, userInfo.id);
+                        } else {
+                            return EnforcedAdmin.MULTIPLE_ENFORCED_ADMIN;
                         }
                     }
                 }
diff --git a/packages/Shell/src/com/android/shell/BugreportProgressService.java b/packages/Shell/src/com/android/shell/BugreportProgressService.java
index c131fa5..7ca7614 100644
--- a/packages/Shell/src/com/android/shell/BugreportProgressService.java
+++ b/packages/Shell/src/com/android/shell/BugreportProgressService.java
@@ -463,7 +463,6 @@
                 .setContentTitle(title)
                 .setTicker(title)
                 .setContentText(name)
-                .setContentInfo(percentageText)
                 .setProgress(info.max, info.progress, false)
                 .setOngoing(true)
                 .setContentIntent(infoPendingIntent)
@@ -958,7 +957,7 @@
                 .setDeleteIntent(newCancelIntent(context, info));
 
         if (!TextUtils.isEmpty(info.name)) {
-            builder.setContentInfo(info.name);
+            builder.setSubText(info.name);
         }
 
         Log.v(TAG, "Sending 'Share' notification for ID " + info.id + ": " + title);
diff --git a/packages/SystemUI/res/drawable/ic_ksh_key_backspace.xml b/packages/SystemUI/res/drawable/ic_ksh_key_backspace.xml
new file mode 100644
index 0000000..6519673
--- /dev/null
+++ b/packages/SystemUI/res/drawable/ic_ksh_key_backspace.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24"
+        android:viewportHeight="24">
+    <path android:pathData="M0 0h24v24H0z" />
+    <path android:fillColor="@color/ksh_key_item_color"
+            android:pathData="M22 3H7c-.69 0-1.23 .35 -1.59 .88 L0 12l5.41 8.11c.36 .53 .9 .89
+1.59 .89 h15c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-3 12.59L17.59 17 14 13.41 10.41 17 9 15.59
+12.59 12 9 8.41 10.41 7 14 10.59 17.59 7 19 8.41 15.41 12 19 15.59z" />
+</vector>
diff --git a/packages/SystemUI/res/drawable/ic_ksh_key_down.xml b/packages/SystemUI/res/drawable/ic_ksh_key_down.xml
new file mode 100644
index 0000000..25a2560
--- /dev/null
+++ b/packages/SystemUI/res/drawable/ic_ksh_key_down.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24"
+        android:viewportHeight="24">
+    <path android:fillColor="@color/ksh_key_item_color"
+            android:pathData="M7.41 7.84L12 12.42l4.59-4.58L18 9.25l-6 6-6-6z" />
+    <path android:pathData="M0-.75h24v24H0z" />
+</vector>
diff --git a/packages/SystemUI/res/drawable/ic_ksh_key_enter.xml b/packages/SystemUI/res/drawable/ic_ksh_key_enter.xml
new file mode 100644
index 0000000..599f350
--- /dev/null
+++ b/packages/SystemUI/res/drawable/ic_ksh_key_enter.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24"
+        android:viewportHeight="24">
+    <path android:pathData="M0 0h24v24H0z" />
+   <path android:fillColor="@color/ksh_key_item_color"
+            android:pathData="M19 7v4H5.83l3.58-3.59L8 6l-6 6 6 6 1.41-1.41L5.83 13H21V7z" />
+</vector>
diff --git a/packages/SystemUI/res/drawable/ic_ksh_key_left.xml b/packages/SystemUI/res/drawable/ic_ksh_key_left.xml
new file mode 100644
index 0000000..038187e8
--- /dev/null
+++ b/packages/SystemUI/res/drawable/ic_ksh_key_left.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24"
+        android:viewportHeight="24">
+    <path android:fillColor="@color/ksh_key_item_color"
+            android:pathData="M15.41 7.41L14 6l-6 6 6 6 1.41-1.41L10.83 12z" />
+    <path android:pathData="M0 0h24v24H0z" />
+</vector>
diff --git a/packages/SystemUI/res/drawable/ic_ksh_key_meta.xml b/packages/SystemUI/res/drawable/ic_ksh_key_meta.xml
new file mode 100644
index 0000000..1e2195e
--- /dev/null
+++ b/packages/SystemUI/res/drawable/ic_ksh_key_meta.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24"
+        android:viewportHeight="24">
+    <path android:fillColor="@color/ksh_key_item_color"
+            android:pathData="M15.5 14h-.79l-.28-.27C15.41 12.59 16 11.11 16 9.5 16 5.91 13.09 3 9.5 3S3 5.91
+3 9.5 5.91 16 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27 .28 v.79l5 4.99L20.49
+19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5
+14z" />
+    <path android:pathData="M0 0h24v24H0z" />
+</vector>
diff --git a/packages/SystemUI/res/drawable/ic_ksh_key_right.xml b/packages/SystemUI/res/drawable/ic_ksh_key_right.xml
new file mode 100644
index 0000000..f2d7315
--- /dev/null
+++ b/packages/SystemUI/res/drawable/ic_ksh_key_right.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24"
+        android:viewportHeight="24">
+    <path android:fillColor="@color/ksh_key_item_color"
+            android:pathData="M10 6L8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z" />
+    <path android:pathData="M0 0h24v24H0z" />
+</vector>
diff --git a/packages/SystemUI/res/drawable/ic_ksh_key_up.xml b/packages/SystemUI/res/drawable/ic_ksh_key_up.xml
new file mode 100644
index 0000000..36a83b1
--- /dev/null
+++ b/packages/SystemUI/res/drawable/ic_ksh_key_up.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24"
+        android:viewportHeight="24">
+    <path android:fillColor="@color/ksh_key_item_color"
+            android:pathData="M7.41 15.41L12 10.83l4.59 4.58L18 14l-6-6-6 6z" />
+    <path android:pathData="M0 0h24v24H0z" />
+</vector>
diff --git a/packages/SystemUI/res/layout/battery_detail.xml b/packages/SystemUI/res/layout/battery_detail.xml
index af3e379..8e7feec94 100644
--- a/packages/SystemUI/res/layout/battery_detail.xml
+++ b/packages/SystemUI/res/layout/battery_detail.xml
@@ -26,10 +26,13 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:paddingStart="72dp"
-        android:paddingBottom="@dimen/battery_detail_graph_space_top"
         android:textAppearance="?android:attr/textAppearanceMedium"
         android:textColor="?android:attr/colorAccent" />
 
+    <com.android.systemui.ResizingSpace
+        android:layout_width="match_parent"
+        android:layout_height="@dimen/battery_detail_graph_space_top" />
+
     <com.android.settingslib.graph.UsageView
         android:id="@+id/battery_usage"
         android:layout_width="match_parent"
@@ -40,11 +43,14 @@
         android:colorAccent="?android:attr/colorAccent"
         systemui:textColor="#66FFFFFF" />
 
+    <com.android.systemui.ResizingSpace
+        android:layout_width="match_parent"
+        android:layout_height="@dimen/battery_detail_graph_space_bottom" />
+
     <View
         android:layout_width="match_parent"
         android:layout_height="1dp"
         android:background="?android:attr/listDivider"
-        android:layout_marginTop="@dimen/battery_detail_graph_space_bottom"
         android:layout_marginBottom="8dp" />
 
     <RelativeLayout
diff --git a/packages/SystemUI/res/layout/keyboard_shortcuts_key_icon_view.xml b/packages/SystemUI/res/layout/keyboard_shortcuts_key_icon_view.xml
new file mode 100644
index 0000000..0cecb96
--- /dev/null
+++ b/packages/SystemUI/res/layout/keyboard_shortcuts_key_icon_view.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+  ~ Copyright (C) 2016 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License
+  -->
+<ImageView xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:padding="@dimen/ksh_item_padding"
+        android:layout_marginStart="@dimen/ksh_item_margin_start"
+        android:scaleType="fitXY"
+        android:background="@color/ksh_key_item_background"/>
diff --git a/packages/SystemUI/res/layout/keyboard_shortcuts_key_view.xml b/packages/SystemUI/res/layout/keyboard_shortcuts_key_view.xml
index 5002c12..1215029 100644
--- a/packages/SystemUI/res/layout/keyboard_shortcuts_key_view.xml
+++ b/packages/SystemUI/res/layout/keyboard_shortcuts_key_view.xml
@@ -17,9 +17,9 @@
 <TextView xmlns:android="http://schemas.android.com/apk/res/android"
           android:layout_width="wrap_content"
           android:layout_height="wrap_content"
-          android:layout_marginStart="4dp"
-          android:padding="4dp"
-          android:background="#EEEEEE"
-          android:textColor="#8C000000"
+          android:padding="@dimen/ksh_item_padding"
+          android:layout_marginStart="@dimen/ksh_item_margin_start"
+          android:background="@color/ksh_key_item_background"
+          android:textColor="@color/ksh_key_item_color"
           android:singleLine="true"
-          android:textSize="14sp"/>
+          android:textSize="@dimen/ksh_item_text_size"/>
diff --git a/packages/SystemUI/res/layout/qs_detail.xml b/packages/SystemUI/res/layout/qs_detail.xml
index 3358a18..af2a285 100644
--- a/packages/SystemUI/res/layout/qs_detail.xml
+++ b/packages/SystemUI/res/layout/qs_detail.xml
@@ -25,13 +25,15 @@
     android:visibility="invisible"
     android:orientation="vertical">
 
+    <com.android.systemui.ResizingSpace
+        android:layout_width="match_parent"
+        android:layout_height="@dimen/qs_detail_margin_top" />
+
     <include
         android:id="@+id/qs_detail_header"
         layout="@layout/qs_detail_header"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="28dp"
-        />
+        android:layout_height="wrap_content" />
 
     <com.android.systemui.statusbar.AlphaOptimizedImageView
         android:id="@+id/qs_detail_header_progress"
diff --git a/packages/SystemUI/res/layout/qs_detail_items.xml b/packages/SystemUI/res/layout/qs_detail_items.xml
index c22e42c..f1a8d63 100644
--- a/packages/SystemUI/res/layout/qs_detail_items.xml
+++ b/packages/SystemUI/res/layout/qs_detail_items.xml
@@ -16,17 +16,19 @@
 -->
 <!-- extends FrameLayout -->
 <com.android.systemui.qs.QSDetailItems xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:sysui="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:paddingTop="16dp"
+    android:paddingTop="@dimen/qs_detail_items_padding_top"
     android:paddingStart="16dp"
     android:paddingEnd="16dp">
 
-    <LinearLayout
+    <com.android.systemui.qs.AutoSizingList
         android:id="@android:id/list"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:orientation="vertical" />
+        android:layout_height="match_parent"
+        android:orientation="vertical"
+        sysui:itemHeight="@dimen/qs_detail_item_height" />
 
     <LinearLayout
         android:id="@android:id/empty"
@@ -48,9 +50,4 @@
             android:layout_marginTop="20dp"
             android:textAppearance="@style/TextAppearance.QS.DetailEmpty" />
     </LinearLayout>
-
-    <View
-        android:id="@+id/min_height_spacer"
-        android:layout_width="match_parent"
-        android:layout_height="0dp"/>
-</com.android.systemui.qs.QSDetailItems>
\ No newline at end of file
+</com.android.systemui.qs.QSDetailItems>
diff --git a/packages/SystemUI/res/layout/qs_tile_label.xml b/packages/SystemUI/res/layout/qs_tile_label.xml
index b0dca9a..cce9c0f 100644
--- a/packages/SystemUI/res/layout/qs_tile_label.xml
+++ b/packages/SystemUI/res/layout/qs_tile_label.xml
@@ -26,9 +26,7 @@
             android:gravity="center_horizontal"
             android:minLines="2"
             android:padding="0dp"
-            android:fontFamily="sans-serif-condensed"
-            android:textStyle="normal"
-            android:textSize="@dimen/qs_tile_text_size"
+            android:textAppearance="@style/TextAppearance.QS.TileLabel"
             android:clickable="false" />
      <ImageView android:id="@+id/restricted_padlock"
             android:layout_width="@dimen/qs_tile_text_size"
diff --git a/packages/SystemUI/res/values-h560dp/config.xml b/packages/SystemUI/res/values-h560dp/config.xml
deleted file mode 100644
index 8b576b9..0000000
--- a/packages/SystemUI/res/values-h560dp/config.xml
+++ /dev/null
@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-
-<!--
-  ~ Copyright (C) 2014 The Android Open Source Project
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~      http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License
-  -->
-
-<resources>
-    <!-- The maximum number of items to be displayed in quick settings -->
-    <integer name="quick_settings_detail_max_item_count">6</integer>
-</resources>
-
diff --git a/packages/SystemUI/res/values-land/dimens.xml b/packages/SystemUI/res/values-land/dimens.xml
index 26a81c8..c40797c 100644
--- a/packages/SystemUI/res/values-land/dimens.xml
+++ b/packages/SystemUI/res/values-land/dimens.xml
@@ -24,4 +24,14 @@
 
     <dimen name="docked_divider_handle_width">2dp</dimen>
     <dimen name="docked_divider_handle_height">16dp</dimen>
+
+    <dimen name="qs_tile_margin_top">2dp</dimen>
+    <dimen name="qs_brightness_padding_top">0dp</dimen>
+
+    <dimen name="battery_detail_graph_space_top">9dp</dimen>
+    <dimen name="battery_detail_graph_space_bottom">9dp</dimen>
+
+    <integer name="quick_settings_num_columns">4</integer>
+    <bool name="quick_settings_wide">true</bool>
+    <dimen name="qs_detail_margin_top">0dp</dimen>
 </resources>
diff --git a/packages/SystemUI/res/values-sw410dp/config.xml b/packages/SystemUI/res/values-sw410dp/config.xml
new file mode 100644
index 0000000..08b2f88
--- /dev/null
+++ b/packages/SystemUI/res/values-sw410dp/config.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2016, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License"); 
+** you may not use this file except in compliance with the License. 
+** You may obtain a copy of the License at 
+**
+**     http://www.apache.org/licenses/LICENSE-2.0 
+**
+** Unless required by applicable law or agreed to in writing, software 
+** distributed under the License is distributed on an "AS IS" BASIS, 
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+** See the License for the specific language governing permissions and 
+** limitations under the License.
+*/
+-->
+
+<!-- These resources are around just to allow their values to be customized
+     for different hardware and product builds. -->
+<resources>
+    <integer name="quick_settings_num_rows">2</integer>
+</resources>
diff --git a/packages/SystemUI/res/values-sw410dp/dimens.xml b/packages/SystemUI/res/values-sw410dp/dimens.xml
new file mode 100644
index 0000000..5ce6524
--- /dev/null
+++ b/packages/SystemUI/res/values-sw410dp/dimens.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2016, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License"); 
+** you may not use this file except in compliance with the License. 
+** You may obtain a copy of the License at 
+**
+**     http://www.apache.org/licenses/LICENSE-2.0 
+**
+** Unless required by applicable law or agreed to in writing, software 
+** distributed under the License is distributed on an "AS IS" BASIS, 
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+** See the License for the specific language governing permissions and 
+** limitations under the License.
+*/
+-->
+
+<!-- These resources are around just to allow their values to be customized
+     for different hardware and product builds. -->
+<resources>
+    <dimen name="qs_detail_items_padding_top">16dp</dimen>
+</resources>
diff --git a/packages/SystemUI/res/values-sw540dp/config.xml b/packages/SystemUI/res/values-sw540dp/config.xml
new file mode 100644
index 0000000..e554fc6d
--- /dev/null
+++ b/packages/SystemUI/res/values-sw540dp/config.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2016, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License"); 
+** you may not use this file except in compliance with the License. 
+** You may obtain a copy of the License at 
+**
+**     http://www.apache.org/licenses/LICENSE-2.0 
+**
+** Unless required by applicable law or agreed to in writing, software 
+** distributed under the License is distributed on an "AS IS" BASIS, 
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+** See the License for the specific language governing permissions and 
+** limitations under the License.
+*/
+-->
+
+<!-- These resources are around just to allow their values to be customized
+     for different hardware and product builds. -->
+<resources>
+    <integer name="quick_settings_num_rows">3</integer>
+</resources>
diff --git a/packages/SystemUI/res/values-sw600dp-land/dimens.xml b/packages/SystemUI/res/values-sw600dp-land/dimens.xml
index 4ed15d5..49a7a29 100644
--- a/packages/SystemUI/res/values-sw600dp-land/dimens.xml
+++ b/packages/SystemUI/res/values-sw600dp-land/dimens.xml
@@ -40,4 +40,8 @@
 
     <dimen name="battery_detail_graph_space_top">27dp</dimen>
     <dimen name="battery_detail_graph_space_bottom">27dp</dimen>
+
+    <dimen name="qs_tile_margin_top">16dp</dimen>
+    <dimen name="qs_brightness_padding_top">6dp</dimen>
+    <dimen name="qs_detail_margin_top">28dp</dimen>
 </resources>
diff --git a/packages/SystemUI/res/values-w550dp-land/dimens.xml b/packages/SystemUI/res/values-w550dp-land/dimens.xml
index cd17bed..4160c83 100644
--- a/packages/SystemUI/res/values-w550dp-land/dimens.xml
+++ b/packages/SystemUI/res/values-w550dp-land/dimens.xml
@@ -20,7 +20,4 @@
     <dimen name="notification_panel_width">544dp</dimen>
 
     <dimen name="qs_expand_margin">32dp</dimen>
-
-    <dimen name="battery_detail_graph_space_top">9dp</dimen>
-    <dimen name="battery_detail_graph_space_bottom">9dp</dimen>
 </resources>
diff --git a/packages/SystemUI/res/values/attrs.xml b/packages/SystemUI/res/values/attrs.xml
index 1e979fd..6dd8c52 100644
--- a/packages/SystemUI/res/values/attrs.xml
+++ b/packages/SystemUI/res/values/attrs.xml
@@ -97,5 +97,9 @@
     <declare-styleable name="DensityContainer">
         <attr name="android:layout" />
     </declare-styleable>
+
+    <declare-styleable name="AutoSizingList">
+        <attr name="itemHeight" format="dimension" />
+    </declare-styleable>
 </resources>
 
diff --git a/packages/SystemUI/res/values/colors.xml b/packages/SystemUI/res/values/colors.xml
index b9aa26b..b874e7c 100644
--- a/packages/SystemUI/res/values/colors.xml
+++ b/packages/SystemUI/res/values/colors.xml
@@ -169,6 +169,8 @@
     <color name="ksh_system_group_color">#ff00bcd4</color>
     <color name="ksh_application_group_color">#fff44336</color>
     <color name="ksh_keyword_color">#d9000000</color>
+    <color name="ksh_key_item_color">@color/material_grey_600</color>
+    <color name="ksh_key_item_background">#eeeeee</color>
 
     <!-- Background color of edit overflow -->
     <color name="qs_edit_overflow_bg">#455A64</color>
diff --git a/packages/SystemUI/res/values/config.xml b/packages/SystemUI/res/values/config.xml
index 6ce2a5d..42798a4 100644
--- a/packages/SystemUI/res/values/config.xml
+++ b/packages/SystemUI/res/values/config.xml
@@ -92,11 +92,8 @@
     <!-- The number of columns in the QuickSettings -->
     <integer name="quick_settings_num_columns">3</integer>
 
-    <!-- The maximum number of rows in the QuickSettings -->
-    <integer name="quick_settings_max_rows">4</integer>
-
-    <!-- The maximum number of rows in the QuickSettings when on the keyguard -->
-    <integer name="quick_settings_max_rows_keyguard">3</integer>
+    <!-- The number of rows in the QuickSettings -->
+    <integer name="quick_settings_num_rows">1</integer>
 
     <!-- The number of columns that the top level tiles span in the QuickSettings -->
     <integer name="quick_settings_user_time_settings_tile_span">1</integer>
@@ -116,9 +113,6 @@
     <integer name="quick_settings_brightness_dialog_short_timeout">2000</integer>
     <integer name="quick_settings_brightness_dialog_long_timeout">4000</integer>
 
-    <!-- The maximum number of items to be displayed in quick settings -->
-    <integer name="quick_settings_detail_max_item_count">5</integer>
-
     <!-- Should "4G" be shown instead of "LTE" when the network is NETWORK_TYPE_LTE? -->
     <bool name="config_show4GForLTE">true</bool>
 
diff --git a/packages/SystemUI/res/values/dimens.xml b/packages/SystemUI/res/values/dimens.xml
index c094da9..a4eadbf 100644
--- a/packages/SystemUI/res/values/dimens.xml
+++ b/packages/SystemUI/res/values/dimens.xml
@@ -172,6 +172,7 @@
 
     <dimen name="qs_tile_height">88dp</dimen>
     <dimen name="qs_tile_margin">16dp</dimen>
+    <dimen name="qs_tile_margin_top">16dp</dimen>
     <dimen name="qs_quick_tile_size">48dp</dimen>
     <dimen name="qs_quick_tile_padding">12dp</dimen>
     <dimen name="qs_date_anim_translation">32dp</dimen>
@@ -201,10 +202,12 @@
     <dimen name="qs_detail_item_primary_text_size">16sp</dimen>
     <dimen name="qs_detail_item_secondary_text_size">14sp</dimen>
     <dimen name="qs_detail_empty_text_size">14sp</dimen>
+    <dimen name="qs_detail_margin_top">28dp</dimen>
     <dimen name="qs_data_usage_text_size">14sp</dimen>
     <dimen name="qs_data_usage_usage_text_size">36sp</dimen>
     <dimen name="qs_expand_margin">0dp</dimen>
     <dimen name="qs_battery_padding">2dp</dimen>
+    <dimen name="qs_detail_items_padding_top">4dp</dimen>
 
     <dimen name="segmented_button_spacing">0dp</dimen>
     <dimen name="borderless_button_radius">2dp</dimen>
@@ -561,6 +564,9 @@
 
     <!-- Keyboard shortcuts helper -->
     <dimen name="ksh_layout_width">@dimen/match_parent</dimen>
+    <dimen name="ksh_item_text_size">14sp</dimen>
+    <dimen name="ksh_item_padding">4dp</dimen>
+    <dimen name="ksh_item_margin_start">4dp</dimen>
 
 <!-- Recents Layout -->
 
diff --git a/packages/SystemUI/res/values/dimens_tv.xml b/packages/SystemUI/res/values/dimens_tv.xml
index 4e6a4b1..f536f86 100644
--- a/packages/SystemUI/res/values/dimens_tv.xml
+++ b/packages/SystemUI/res/values/dimens_tv.xml
@@ -57,4 +57,6 @@
     <!-- Extra space around the PIP control button icon to match with the focused circle -->
     <dimen name="tv_pip_button_icon_padding">5dp</dimen>
 
+    <!-- Values for entering Recents and exiting Recents -->
+    <dimen name="recents_tv_home_recents_shift">125dip</dimen>
 </resources>
diff --git a/packages/SystemUI/res/values/integers_tv.xml b/packages/SystemUI/res/values/integers_tv.xml
index 20cd330..6984d5a 100644
--- a/packages/SystemUI/res/values/integers_tv.xml
+++ b/packages/SystemUI/res/values/integers_tv.xml
@@ -17,5 +17,11 @@
     <integer name="item_scale_anim_duration">150</integer>
     <integer name="dismiss_short_duration">200</integer>
     <integer name="dismiss_long_duration">400</integer>
+
     <integer name="recents_tv_pip_focus_anim_duration">200</integer>
+
+    <!-- Duration for how long it takes cards to slide in or out when going to and from recents. -->
+    <integer name="recents_home_duration">400</integer>
+    <!-- Delay between the start of slide in animation for each card. -->
+    <integer name="recents_home_delay">40</integer>
 </resources>
diff --git a/packages/SystemUI/res/values/styles.xml b/packages/SystemUI/res/values/styles.xml
index 2b134af..5db35b1 100644
--- a/packages/SystemUI/res/values/styles.xml
+++ b/packages/SystemUI/res/values/styles.xml
@@ -180,6 +180,11 @@
         <item name="android:textColor">@color/data_usage_secondary</item>
     </style>
 
+    <style name="TextAppearance.QS.TileLabel">
+        <item name="android:textSize">@dimen/qs_tile_text_size</item>
+        <item name="android:fontFamily">sans-serif-condensed</item>
+    </style>
+
     <style name="BaseBrightnessDialogContainer">
         <item name="android:layout_width">match_parent</item>
         <item name="android:layout_height">wrap_content</item>
diff --git a/packages/SystemUI/src/com/android/systemui/ResizingSpace.java b/packages/SystemUI/src/com/android/systemui/ResizingSpace.java
new file mode 100644
index 0000000..c2bc53e
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/ResizingSpace.java
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the
+ * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+
+package com.android.systemui;
+
+import android.content.Context;
+import android.content.res.Configuration;
+import android.content.res.TypedArray;
+import android.graphics.Canvas;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.ViewGroup.LayoutParams;
+
+public class ResizingSpace extends View {
+
+    private final int mWidth;
+    private final int mHeight;
+
+    public ResizingSpace(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        if (getVisibility() == VISIBLE) {
+            setVisibility(INVISIBLE);
+        }
+        TypedArray a = context.obtainStyledAttributes(attrs, android.R.styleable.ViewGroup_Layout);
+        mWidth = a.getResourceId(android.R.styleable.ViewGroup_Layout_layout_width, 0);
+        mHeight = a.getResourceId(android.R.styleable.ViewGroup_Layout_layout_height, 0);
+    }
+
+    @Override
+    protected void onConfigurationChanged(Configuration newConfig) {
+        super.onConfigurationChanged(newConfig);
+        LayoutParams params = getLayoutParams();
+        boolean changed = false;
+        if (mWidth > 0) {
+            int width = getContext().getResources().getDimensionPixelOffset(mWidth);
+            if (width != params.width) {
+                params.width = width;
+                changed = true;
+            }
+        }
+        if (mHeight > 0) {
+            int height = getContext().getResources().getDimensionPixelOffset(mHeight);
+            if (height != params.height) {
+                params.height = height;
+                changed = true;
+            }
+        }
+        if (changed) {
+            setLayoutParams(params);
+        }
+    }
+
+    /**
+     * Draw nothing.
+     *
+     * @param canvas an unused parameter.
+     */
+    @Override
+    public void draw(Canvas canvas) {
+    }
+
+    /**
+     * Compare to: {@link View#getDefaultSize(int, int)}
+     * If mode is AT_MOST, return the child size instead of the parent size
+     * (unless it is too big).
+     */
+    private static int getDefaultSize2(int size, int measureSpec) {
+        int result = size;
+        int specMode = MeasureSpec.getMode(measureSpec);
+        int specSize = MeasureSpec.getSize(measureSpec);
+
+        switch (specMode) {
+            case MeasureSpec.UNSPECIFIED:
+                result = size;
+                break;
+            case MeasureSpec.AT_MOST:
+                result = Math.min(size, specSize);
+                break;
+            case MeasureSpec.EXACTLY:
+                result = specSize;
+                break;
+        }
+        return result;
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        setMeasuredDimension(
+                getDefaultSize2(getSuggestedMinimumWidth(), widthMeasureSpec),
+                getDefaultSize2(getSuggestedMinimumHeight(), heightMeasureSpec));
+    }
+
+}
diff --git a/packages/SystemUI/src/com/android/systemui/SwipeHelper.java b/packages/SystemUI/src/com/android/systemui/SwipeHelper.java
index c0a565db..e838191 100644
--- a/packages/SystemUI/src/com/android/systemui/SwipeHelper.java
+++ b/packages/SystemUI/src/com/android/systemui/SwipeHelper.java
@@ -329,7 +329,7 @@
      */
     public void dismissChild(final View view, float velocity, boolean useAccelerateInterpolator) {
         dismissChild(view, velocity, null /* endAction */, 0 /* delay */,
-                useAccelerateInterpolator, 0 /* fixedDuration */);
+                useAccelerateInterpolator, 0 /* fixedDuration */, false /* isDismissAll */);
     }
 
     /**
@@ -341,17 +341,22 @@
      * @param fixedDuration If not 0, this exact duration will be taken
      */
     public void dismissChild(final View animView, float velocity, final Runnable endAction,
-            long delay, boolean useAccelerateInterpolator, long fixedDuration) {
+            long delay, boolean useAccelerateInterpolator, long fixedDuration,
+            boolean isDismissAll) {
         final boolean canBeDismissed = mCallback.canChildBeDismissed(animView);
         float newPos;
         boolean isLayoutRtl = animView.getLayoutDirection() == View.LAYOUT_DIRECTION_RTL;
 
-        if (velocity < 0
-                || (velocity == 0 && getTranslation(animView) < 0)
-                // if we use the Menu to dismiss an item in landscape, animate up
-                || (velocity == 0 && getTranslation(animView) == 0 && mSwipeDirection == Y)
-                // if the language is rtl we prefer swiping to the left
-                || (velocity == 0 && getTranslation(animView) == 0 && isLayoutRtl)) {
+        // if we use the Menu to dismiss an item in landscape, animate up
+        boolean animateUpForMenu = velocity == 0 && (getTranslation(animView) == 0 || isDismissAll)
+                && mSwipeDirection == Y;
+        // if the language is rtl we prefer swiping to the left
+        boolean animateLeftForRtl = velocity == 0 && (getTranslation(animView) == 0 || isDismissAll)
+                && isLayoutRtl;
+        boolean animateLeft = velocity < 0
+                || (velocity == 0 && getTranslation(animView) < 0 && !isDismissAll);
+
+        if (animateLeft || animateLeftForRtl || animateUpForMenu) {
             newPos = -getSize(animView);
         } else {
             newPos = getSize(animView);
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardService.java b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardService.java
index d2c60ef..84d3599 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardService.java
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardService.java
@@ -115,9 +115,9 @@
         }
 
         @Override // Binder interface
-        public void onFinishedGoingToSleep(int reason) {
+        public void onFinishedGoingToSleep(int reason, boolean cameraGestureTriggered) {
             checkPermission();
-            mKeyguardViewMediator.onFinishedGoingToSleep(reason);
+            mKeyguardViewMediator.onFinishedGoingToSleep(reason, cameraGestureTriggered);
         }
 
         @Override // Binder interface
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
index a5dfc4b..66754a7 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
@@ -747,7 +747,7 @@
         notifyStartedGoingToSleep();
     }
 
-    public void onFinishedGoingToSleep(int why) {
+    public void onFinishedGoingToSleep(int why, boolean cameraGestureTriggered) {
         if (DEBUG) Log.d(TAG, "onFinishedGoingToSleep(" + why + ")");
         synchronized (this) {
             mDeviceInteractive = false;
@@ -758,6 +758,16 @@
 
             notifyFinishedGoingToSleep();
 
+            if (cameraGestureTriggered) {
+                Log.i(TAG, "Camera gesture was triggered, preventing Keyguard locking.");
+
+                // Just to make sure, make sure the device is awake.
+                mContext.getSystemService(PowerManager.class).wakeUp(SystemClock.uptimeMillis(),
+                        "com.android.systemui:CAMERA_GESTURE_PREVENT_LOCK");
+                mPendingLock = false;
+                mPendingReset = false;
+            }
+
             if (mPendingReset) {
                 resetStateLocked();
                 mPendingReset = false;
@@ -771,7 +781,7 @@
             // We do not have timeout and power button instant lock setting for profile lock.
             // So we use the personal setting if there is any. But if there is no device
             // we need to make sure we lock it immediately when the screen is off.
-            if (!mLockLater) {
+            if (!mLockLater && !cameraGestureTriggered) {
                 doKeyguardForChildProfilesLocked();
             }
 
@@ -794,7 +804,7 @@
 
         // From DevicePolicyAdmin
         final long policyTimeout = mLockPatternUtils.getDevicePolicyManager()
-                .getMaximumTimeToLock(null, userId);
+                .getMaximumTimeToLockForUserAndProfiles(userId);
 
         long timeout;
 
diff --git a/packages/SystemUI/src/com/android/systemui/qs/AutoSizingList.java b/packages/SystemUI/src/com/android/systemui/qs/AutoSizingList.java
new file mode 100644
index 0000000..00e6221
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/qs/AutoSizingList.java
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the
+ * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+
+package com.android.systemui.qs;
+
+import android.annotation.Nullable;
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.database.DataSetObserver;
+import android.os.Handler;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.LinearLayout;
+import android.widget.ListAdapter;
+import com.android.systemui.R;
+
+/**
+ * Similar to a ListView, but it will show only as many items as fit on screen and
+ * bind those instead of scrolling.
+ */
+public class AutoSizingList extends LinearLayout {
+
+    private static final String TAG = "AutoSizingList";
+    private final int mItemSize;
+    private final Handler mHandler;
+
+    private ListAdapter mAdapter;
+    private int mCount;
+
+    public AutoSizingList(Context context, @Nullable AttributeSet attrs) {
+        super(context, attrs);
+
+        mHandler = new Handler();
+        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.AutoSizingList);
+        mItemSize = a.getDimensionPixelSize(R.styleable.AutoSizingList_itemHeight, 0);
+    }
+
+    public void setAdapter(ListAdapter adapter) {
+        if (mAdapter != null) {
+            mAdapter.unregisterDataSetObserver(mDataObserver);
+        }
+        mAdapter = adapter;
+        if (adapter != null) {
+            adapter.registerDataSetObserver(mDataObserver);
+        }
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        int requestedHeight = MeasureSpec.getSize(heightMeasureSpec);
+        if (requestedHeight != 0) {
+            int count = Math.min(requestedHeight / mItemSize, getDesiredCount());
+            if (mCount != count) {
+                postRebindChildren();
+                mCount = count;
+            }
+        }
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+    }
+
+    private int getDesiredCount() {
+        return mAdapter != null ? mAdapter.getCount() : 0;
+    }
+
+    private void postRebindChildren() {
+        mHandler.post(mBindChildren);
+    }
+
+    private void rebindChildren() {
+        if (mAdapter == null) {
+            return;
+        }
+        for (int i = 0; i < mCount; i++) {
+            View v = i < getChildCount() ? getChildAt(i) : null;
+            View newView = mAdapter.getView(i, v, this);
+            if (newView != v) {
+                if (v != null) {
+                    removeView(v);
+                }
+                addView(newView, i);
+            }
+        }
+        // Ditch extra views.
+        while (getChildCount() > mCount) {
+            removeViewAt(getChildCount() - 1);
+        }
+    }
+
+    private final Runnable mBindChildren = new Runnable() {
+        @Override
+        public void run() {
+            rebindChildren();
+        }
+    };
+
+    private final DataSetObserver mDataObserver = new DataSetObserver() {
+        @Override
+        public void onChanged() {
+            if (mCount > getDesiredCount()) {
+                mCount = getDesiredCount();
+            }
+            postRebindChildren();
+        }
+
+        @Override
+        public void onInvalidated() {
+            postRebindChildren();
+        }
+    };
+}
diff --git a/packages/SystemUI/src/com/android/systemui/qs/PagedTileLayout.java b/packages/SystemUI/src/com/android/systemui/qs/PagedTileLayout.java
index 115c9d0..5a23610 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/PagedTileLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/PagedTileLayout.java
@@ -1,6 +1,8 @@
 package com.android.systemui.qs;
 
 import android.content.Context;
+import android.content.res.Configuration;
+import android.content.res.Resources;
 import android.support.v4.view.PagerAdapter;
 import android.support.v4.view.ViewPager;
 import android.util.AttributeSet;
@@ -199,11 +201,22 @@
 
         @Override
         public boolean updateResources() {
-            if (super.updateResources()) {
-                mMaxRows = mColumns != 3 ? 2 : 3;
-                return true;
+            final int rows = getRows();
+            boolean changed = rows != mMaxRows;
+            if (changed) {
+                mMaxRows = rows;
+                requestLayout();
             }
-            return false;
+            return super.updateResources() || changed;
+        }
+
+        private int getRows() {
+            final Resources res = getContext().getResources();
+            if (res.getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT) {
+                // Always have 3 rows in portrait.
+                return 3;
+            }
+            return Math.max(1, res.getInteger(R.integer.quick_settings_num_rows));
         }
 
         public void setMaxRows(int maxRows) {
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSAnimator.java b/packages/SystemUI/src/com/android/systemui/qs/QSAnimator.java
index de8eec4..4d959d8 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSAnimator.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSAnimator.java
@@ -157,7 +157,7 @@
         for (QSTile<?> tile : tiles) {
             QSTileBaseView tileView = mQsPanel.getTileView(tile);
             final TextView label = ((QSTileView) tileView).getLabel();
-            final View tileIcon = tileView.getIcon();
+            final View tileIcon = tileView.getIcon().getIconView();
             if (count < mNumQuickTiles && mAllowFancy) {
                 // Quick tiles.
                 QSTileBaseView quickTileView = mQuickQsPanel.getTileView(tile);
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSContainer.java b/packages/SystemUI/src/com/android/systemui/qs/QSContainer.java
index 5d06aeb..e3a4909 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSContainer.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSContainer.java
@@ -47,10 +47,10 @@
     private final Rect mQsBounds = new Rect();
 
     private int mHeightOverride = -1;
-    private QSPanel mQSPanel;
+    protected QSPanel mQSPanel;
     private QSDetail mQSDetail;
     protected BaseStatusBarHeader mHeader;
-    private float mQsExpansion;
+    protected float mQsExpansion;
     private boolean mQsExpanded;
     private boolean mHeaderAnimating;
     private boolean mKeyguardShowing;
@@ -100,7 +100,13 @@
         // Since we control our own bottom, be whatever size we want.
         // Otherwise the QSPanel ends up with 0 height when the window is only the
         // size of the status bar.
-        super.onMeasure(widthMeasureSpec, MeasureSpec.UNSPECIFIED);
+        mQSPanel.measure(widthMeasureSpec, MeasureSpec.makeMeasureSpec(
+                MeasureSpec.getSize(heightMeasureSpec), MeasureSpec.UNSPECIFIED));
+        int width = mQSPanel.getMeasuredWidth();
+        int height = ((LayoutParams) mQSPanel.getLayoutParams()).topMargin
+                + mQSPanel.getMeasuredHeight();
+        super.onMeasure(MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY),
+                MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY));
 
         // QSCustomizer is always be the height of the screen, but do this after
         // other measuring to avoid changing the height of the QSContainer.
@@ -156,14 +162,18 @@
     }
 
     private void updateBottom() {
-        int heightOverride = mHeightOverride != -1 ? mHeightOverride : getMeasuredHeight();
-        int height = mQSCustomizer.isCustomizing() ? mQSCustomizer.getHeight()
-                : (int) (mQsExpansion * (heightOverride - mHeader.getCollapsedHeight()))
-                + mHeader.getCollapsedHeight();
+        int height = calculateContainerHeight();
         setBottom(getTop() + height);
         mQSDetail.setBottom(getTop() + height);
     }
 
+    protected int calculateContainerHeight() {
+        int heightOverride = mHeightOverride != -1 ? mHeightOverride : getMeasuredHeight();
+        return mQSCustomizer.isCustomizing() ? mQSCustomizer.getHeight()
+                : (int) (mQsExpansion * (heightOverride - mHeader.getCollapsedHeight()))
+                + mHeader.getCollapsedHeight();
+    }
+
     private void updateQsState() {
         boolean expandVisually = mQsExpanded || mStackScrollerOverscrolling || mHeaderAnimating;
         mQSPanel.setExpanded(mQsExpanded);
@@ -296,4 +306,8 @@
             updateQsState();
         }
     };
+
+    public int getQsMinExpansionHeight() {
+        return mHeader.getHeight();
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSDetailItems.java b/packages/SystemUI/src/com/android/systemui/qs/QSDetailItems.java
index 25b9105..2dd4a0a 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSDetailItems.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSDetailItems.java
@@ -28,11 +28,10 @@
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.BaseAdapter;
 import android.widget.FrameLayout;
 import android.widget.ImageView;
-import android.widget.LinearLayout;
 import android.widget.TextView;
-
 import com.android.systemui.FontSizeUtils;
 import com.android.systemui.R;
 
@@ -45,16 +44,17 @@
 
     private final Context mContext;
     private final H mHandler = new H();
+    private final Adapter mAdapter = new Adapter();
 
     private String mTag;
     private Callback mCallback;
     private boolean mItemsVisible = true;
-    private LinearLayout mItems;
+    private AutoSizingList mItemList;
     private View mEmpty;
-    private View mMinHeightSpacer;
     private TextView mEmptyText;
     private ImageView mEmptyIcon;
-    private int mMaxItems;
+
+    private Item[] mItems;
 
     public QSDetailItems(Context context, AttributeSet attrs) {
         super(context, attrs);
@@ -73,27 +73,22 @@
     @Override
     protected void onFinishInflate() {
         super.onFinishInflate();
-        mItems = (LinearLayout) findViewById(android.R.id.list);
-        mItems.setVisibility(GONE);
+        mItemList = (AutoSizingList) findViewById(android.R.id.list);
+        mItemList.setVisibility(GONE);
+        mItemList.setAdapter(mAdapter);
         mEmpty = findViewById(android.R.id.empty);
         mEmpty.setVisibility(GONE);
         mEmptyText = (TextView) mEmpty.findViewById(android.R.id.title);
         mEmptyIcon = (ImageView) mEmpty.findViewById(android.R.id.icon);
-        mMinHeightSpacer = findViewById(R.id.min_height_spacer);
-
-        // By default, a detail item view has fixed size.
-        mMaxItems = getResources().getInteger(
-                R.integer.quick_settings_detail_max_item_count);
-        setMinHeightInItems(mMaxItems);
     }
 
     @Override
     protected void onConfigurationChanged(Configuration newConfig) {
         super.onConfigurationChanged(newConfig);
         FontSizeUtils.updateFontSize(mEmptyText, R.dimen.qs_detail_empty_text_size);
-        int count = mItems.getChildCount();
+        int count = mItemList.getChildCount();
         for (int i = 0; i < count; i++) {
-            View item = mItems.getChildAt(i);
+            View item = mItemList.getChildAt(i);
             FontSizeUtils.updateFontSize(item, android.R.id.title,
                     R.dimen.qs_detail_item_primary_text_size);
             FontSizeUtils.updateFontSize(item, android.R.id.summary,
@@ -110,16 +105,6 @@
         mEmptyText.setText(text);
     }
 
-    /**
-     * Set the minimum height of this detail view, in item count.
-     */
-    public void setMinHeightInItems(int minHeightInItems) {
-        ViewGroup.LayoutParams lp = mMinHeightSpacer.getLayoutParams();
-        lp.height = minHeightInItems * getResources().getDimensionPixelSize(
-                R.dimen.qs_detail_item_height);
-        mMinHeightSpacer.setLayoutParams(lp);
-    }
-
     @Override
     protected void onAttachedToWindow() {
         super.onAttachedToWindow();
@@ -153,65 +138,82 @@
     }
 
     private void handleSetItems(Item[] items) {
-        final int itemCount = items != null ? Math.min(items.length, mMaxItems) : 0;
+        final int itemCount = items != null ? items.length : 0;
         mEmpty.setVisibility(itemCount == 0 ? VISIBLE : GONE);
-        mItems.setVisibility(itemCount == 0 ? GONE : VISIBLE);
-        for (int i = mItems.getChildCount() - 1; i >= itemCount; i--) {
-            mItems.removeViewAt(i);
-        }
-        for (int i = 0; i < itemCount; i++) {
-            bind(items[i], mItems.getChildAt(i));
-        }
+        mItemList.setVisibility(itemCount == 0 ? GONE : VISIBLE);
+        mItems = items;
+        mAdapter.notifyDataSetChanged();
     }
 
     private void handleSetItemsVisible(boolean visible) {
         if (mItemsVisible == visible) return;
         mItemsVisible = visible;
-        for (int i = 0; i < mItems.getChildCount(); i++) {
-            mItems.getChildAt(i).setVisibility(mItemsVisible ? VISIBLE : INVISIBLE);
+        for (int i = 0; i < mItemList.getChildCount(); i++) {
+            mItemList.getChildAt(i).setVisibility(mItemsVisible ? VISIBLE : INVISIBLE);
         }
     }
 
-    private void bind(final Item item, View view) {
-        if (view == null) {
-            view = LayoutInflater.from(mContext).inflate(R.layout.qs_detail_item, this, false);
-            mItems.addView(view);
+    private class Adapter extends BaseAdapter {
+
+        @Override
+        public int getCount() {
+            return mItems != null ? mItems.length : 0;
         }
-        view.setVisibility(mItemsVisible ? VISIBLE : INVISIBLE);
-        final ImageView iv = (ImageView) view.findViewById(android.R.id.icon);
-        iv.setImageResource(item.icon);
-        iv.getOverlay().clear();
-        if (item.overlay != null) {
-            item.overlay.setBounds(0, 0, item.overlay.getIntrinsicWidth(),
-                    item.overlay.getIntrinsicHeight());
-            iv.getOverlay().add(item.overlay);
+
+        @Override
+        public Object getItem(int position) {
+            return mItems[position];
         }
-        final TextView title = (TextView) view.findViewById(android.R.id.title);
-        title.setText(item.line1);
-        final TextView summary = (TextView) view.findViewById(android.R.id.summary);
-        final boolean twoLines = !TextUtils.isEmpty(item.line2);
-        title.setMaxLines(twoLines ? 1 : 2);
-        summary.setVisibility(twoLines ? VISIBLE : GONE);
-        summary.setText(twoLines ? item.line2 : null);
-        view.setOnClickListener(new OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                if (mCallback != null) {
-                    mCallback.onDetailItemClick(item);
-                }
+
+        @Override
+        public long getItemId(int position) {
+            return 0;
+        }
+
+        @Override
+        public View getView(int position, View view, ViewGroup parent) {
+            final Item item = mItems[position];
+            if (view == null) {
+                view = LayoutInflater.from(mContext).inflate(R.layout.qs_detail_item, parent,
+                        false);
             }
-        });
-        final ImageView disconnect = (ImageView) view.findViewById(android.R.id.icon2);
-        disconnect.setVisibility(item.canDisconnect ? VISIBLE : GONE);
-        disconnect.setOnClickListener(new OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                if (mCallback != null) {
-                    mCallback.onDetailItemDisconnect(item);
-                }
+            view.setVisibility(mItemsVisible ? VISIBLE : INVISIBLE);
+            final ImageView iv = (ImageView) view.findViewById(android.R.id.icon);
+            iv.setImageResource(item.icon);
+            iv.getOverlay().clear();
+            if (item.overlay != null) {
+                item.overlay.setBounds(0, 0, item.overlay.getIntrinsicWidth(),
+                        item.overlay.getIntrinsicHeight());
+                iv.getOverlay().add(item.overlay);
             }
-        });
-    }
+            final TextView title = (TextView) view.findViewById(android.R.id.title);
+            title.setText(item.line1);
+            final TextView summary = (TextView) view.findViewById(android.R.id.summary);
+            final boolean twoLines = !TextUtils.isEmpty(item.line2);
+            title.setMaxLines(twoLines ? 1 : 2);
+            summary.setVisibility(twoLines ? VISIBLE : GONE);
+            summary.setText(twoLines ? item.line2 : null);
+            view.setOnClickListener(new OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    if (mCallback != null) {
+                        mCallback.onDetailItemClick(item);
+                    }
+                }
+            });
+            final ImageView disconnect = (ImageView) view.findViewById(android.R.id.icon2);
+            disconnect.setVisibility(item.canDisconnect ? VISIBLE : GONE);
+            disconnect.setOnClickListener(new OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    if (mCallback != null) {
+                        mCallback.onDetailItemDisconnect(item);
+                    }
+                }
+            });
+            return view;
+        }
+    };
 
     private class H extends Handler {
         private static final int SET_ITEMS = 1;
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSIconView.java b/packages/SystemUI/src/com/android/systemui/qs/QSIconView.java
index 546f8c3..6c224f7 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSIconView.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSIconView.java
@@ -30,9 +30,9 @@
 
 public class QSIconView extends ViewGroup {
 
-    private final View mIcon;
-    private final int mIconSizePx;
-    private final int mTilePaddingBelowIconPx;
+    protected final View mIcon;
+    protected final int mIconSizePx;
+    protected final int mTilePaddingBelowIconPx;
     private boolean mAnimationEnabled = true;
 
     public QSIconView(Context context) {
@@ -50,6 +50,10 @@
         mAnimationEnabled = false;
     }
 
+    public View getIconView() {
+        return mIcon;
+    }
+
     @Override
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
         final int w = MeasureSpec.getSize(widthMeasureSpec);
@@ -109,11 +113,11 @@
         return icon;
     }
 
-    protected static int exactly(int size) {
+    protected final int exactly(int size) {
         return MeasureSpec.makeMeasureSpec(size, MeasureSpec.EXACTLY);
     }
 
-    protected static void layout(View child, int left, int top) {
+    protected final void layout(View child, int left, int top) {
         child.layout(left, top, left + child.getMeasuredWidth(), top + child.getMeasuredHeight());
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java b/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
index a05818a..1149c59 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
@@ -85,20 +85,7 @@
                 R.layout.quick_settings_brightness_dialog, this, false);
         addView(mBrightnessView);
 
-        mTileLayout = (QSTileLayout) LayoutInflater.from(mContext).inflate(
-                R.layout.qs_paged_tile_layout, this, false);
-        addView((View) mTileLayout);
-        findViewById(android.R.id.edit).setOnClickListener(new OnClickListener() {
-            @Override
-            public void onClick(final View v) {
-                mHost.startRunnableDismissingKeyguard(new Runnable() {
-                    @Override
-                    public void run() {
-                        showEdit(v);
-                    }
-                });
-            }
-        });
+        setupTileLayout();
 
         mFooter = new QSFooter(this, context);
         addView(mFooter.getView());
@@ -111,6 +98,14 @@
 
     }
 
+    protected void setupTileLayout() {
+        mTileLayout = (QSTileLayout) LayoutInflater.from(mContext).inflate(
+                R.layout.qs_paged_tile_layout, this, false);
+        addView((View) mTileLayout);
+        findViewById(android.R.id.edit).setOnClickListener(view ->
+                mHost.startRunnableDismissingKeyguard(() -> showEdit(view)));
+    }
+
     public boolean isShowingCustomize() {
         return mCustomizePanel != null && mCustomizePanel.isCustomizing();
     }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSTileView.java b/packages/SystemUI/src/com/android/systemui/qs/QSTileView.java
index 57a1a4a..c3766e8 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSTileView.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSTileView.java
@@ -33,7 +33,6 @@
 /** View that represents a standard quick settings tile. **/
 public class QSTileView extends QSTileBaseView {
     protected final Context mContext;
-    private QSIconView mIconView;
     private final int mTileSpacingPx;
     private int mTilePaddingTopPx;
 
@@ -44,7 +43,6 @@
         super(context, icon);
 
         mContext = context;
-        mIconView = icon;
         final Resources res = context.getResources();
         mTileSpacingPx = res.getDimensionPixelSize(R.dimen.qs_tile_spacing);
 
@@ -82,13 +80,13 @@
     }
 
     protected void createLabel() {
-        final Resources res = mContext.getResources();
         View view = LayoutInflater.from(mContext).inflate(R.layout.qs_tile_label, null);
         mLabel = (TextView) view.findViewById(R.id.tile_label);
         mPadLock = (ImageView) view.findViewById(R.id.restricted_padlock);
         addView(view);
     }
 
+    @Override
     protected void handleStateChanged(QSTile.State state) {
         super.handleStateChanged(state);
         if (!Objects.equal(mLabel.getText(), state.label)) {
diff --git a/packages/SystemUI/src/com/android/systemui/qs/TileLayout.java b/packages/SystemUI/src/com/android/systemui/qs/TileLayout.java
index 55eda98..1e3c458 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/TileLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/TileLayout.java
@@ -19,11 +19,12 @@
     private static final String TAG = "TileLayout";
 
     protected int mColumns;
-    private int mCellWidth;
-    private int mCellHeight;
-    private int mCellMargin;
+    protected int mCellWidth;
+    protected int mCellHeight;
+    protected int mCellMargin;
 
     protected final ArrayList<TileRecord> mRecords = new ArrayList<>();
+    private int mCellMarginTop;
 
     public TileLayout(Context context) {
         this(context, null);
@@ -60,9 +61,10 @@
         final int columns = Math.max(1, res.getInteger(R.integer.quick_settings_num_columns));
         mCellHeight = mContext.getResources().getDimensionPixelSize(R.dimen.qs_tile_height);
         mCellMargin = res.getDimensionPixelSize(R.dimen.qs_tile_margin);
+        mCellMarginTop = res.getDimensionPixelSize(R.dimen.qs_tile_margin_top);
         if (mColumns != columns) {
             mColumns = columns;
-            postInvalidate();
+            requestLayout();
             return true;
         }
         return false;
@@ -81,7 +83,8 @@
             record.tileView.measure(exactly(mCellWidth), exactly(mCellHeight));
             previousView = record.tileView.updateAccessibilityOrder(previousView);
         }
-        setMeasuredDimension(width, (mCellHeight + mCellMargin) * rows);
+        setMeasuredDimension(width,
+                (mCellHeight + mCellMargin) * rows + (mCellMarginTop - mCellMargin));
     }
 
     private static int exactly(int size) {
@@ -114,7 +117,7 @@
     }
 
     private int getRowTop(int row) {
-        return row * (mCellHeight + mCellMargin) + mCellMargin;
+        return row * (mCellHeight + mCellMargin) + mCellMarginTop;
     }
 
     private int getColumnStart(int column) {
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/BluetoothTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/BluetoothTile.java
index 1fef8f1..63c85db 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/BluetoothTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/BluetoothTile.java
@@ -216,7 +216,6 @@
             mItems.setEmptyState(R.drawable.ic_qs_bluetooth_detail_empty,
                     R.string.quick_settings_bluetooth_detail_empty_text);
             mItems.setCallback(this);
-            mItems.setMinHeightInItems(0);
             updateItems();
             setItemsVisible(mState.value);
             return mItems;
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
index 8060e07..b1d9555 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
@@ -78,6 +78,9 @@
 import com.android.systemui.recents.views.SystemBarScrimViews;
 import com.android.systemui.statusbar.BaseStatusBar;
 
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
+
 /**
  * The main Recents activity that is started from AlternateRecentsComponent.
  */
@@ -733,4 +736,20 @@
         });
         return true;
     }
+
+    @Override
+    public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) {
+        super.dump(prefix, fd, writer, args);
+        String id = Integer.toHexString(System.identityHashCode(this));
+
+        writer.print(prefix); writer.print(TAG);
+        writer.print(" visible="); writer.print(mIsVisible ? "Y" : "N");
+        writer.print(" [0x"); writer.print(id); writer.print("]");
+        writer.println();
+
+        if (mRecentsView != null) {
+            mRecentsView.dump(prefix, writer);
+        }
+        EventBus.getDefault().dump(prefix, writer);
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/events/EventBus.java b/packages/SystemUI/src/com/android/systemui/recents/events/EventBus.java
index 0d56ae9..38ad1c7 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/events/EventBus.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/events/EventBus.java
@@ -30,6 +30,7 @@
 
 import com.android.systemui.recents.misc.ReferenceCountedTrigger;
 
+import java.io.PrintWriter;
 import java.lang.ref.WeakReference;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationTargetException;
@@ -652,19 +653,43 @@
     /**
      * @return a dump of the current state of the EventBus
      */
-    public String dump() {
+    public void dump(String prefix, PrintWriter writer) {
+        writer.println(dumpInternal(prefix));
+    }
+
+    public String dumpInternal(String prefix) {
+        String innerPrefix = prefix + "  ";
+        String innerInnerPrefix = innerPrefix + "  ";
         StringBuilder output = new StringBuilder();
+        output.append(prefix);
         output.append("Registered class types:");
         output.append("\n");
-        for (Class<?> clz : mSubscriberTypeMap.keySet()) {
-            output.append("\t");
+        ArrayList<Class<?>> subsciberTypes = new ArrayList<>(mSubscriberTypeMap.keySet());
+        Collections.sort(subsciberTypes, new Comparator<Class<?>>() {
+            @Override
+            public int compare(Class<?> o1, Class<?> o2) {
+                return o1.getSimpleName().compareTo(o2.getSimpleName());
+            }
+        });
+        for (int i = 0; i < subsciberTypes.size(); i++) {
+            Class<?> clz = subsciberTypes.get(i);
+            output.append(innerPrefix);
             output.append(clz.getSimpleName());
             output.append("\n");
         }
+        output.append(prefix);
         output.append("Event map:");
         output.append("\n");
-        for (Class<?> clz : mEventTypeMap.keySet()) {
-            output.append("\t");
+        ArrayList<Class<?>> classes = new ArrayList<>(mEventTypeMap.keySet());
+        Collections.sort(classes, new Comparator<Class<?>>() {
+            @Override
+            public int compare(Class<?> o1, Class<?> o2) {
+                return o1.getSimpleName().compareTo(o2.getSimpleName());
+            }
+        });
+        for (int i = 0; i < classes.size(); i++) {
+            Class<?> clz = classes.get(i);
+            output.append(innerPrefix);
             output.append(clz.getSimpleName());
             output.append(" -> ");
             output.append("\n");
@@ -673,7 +698,7 @@
                 Object subscriber = handler.subscriber.getReference();
                 if (subscriber != null) {
                     String id = Integer.toHexString(System.identityHashCode(subscriber));
-                    output.append("\t\t");
+                    output.append(innerInnerPrefix);
                     output.append(subscriber.getClass().getSimpleName());
                     output.append(" [0x" + id + ", #" + handler.priority + "]");
                     output.append("\n");
diff --git a/packages/SystemUI/src/com/android/systemui/recents/misc/Utilities.java b/packages/SystemUI/src/com/android/systemui/recents/misc/Utilities.java
index e28612a..69d98af 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/misc/Utilities.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/misc/Utilities.java
@@ -243,4 +243,14 @@
     public static float dpToPx(Resources res, float dp) {
         return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, res.getDisplayMetrics());
     }
+
+    /**
+     * Returns a lightweight dump of a rect.
+     */
+    public static String dumpRect(Rect r) {
+        if (r == null) {
+            return "N:0,0-0,0";
+        }
+        return r.left + "," + r.top + "-" + r.right + "," + r.bottom;
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/model/Task.java b/packages/SystemUI/src/com/android/systemui/recents/model/Task.java
index 6668079..24eeaf2 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/model/Task.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/model/Task.java
@@ -29,6 +29,7 @@
 import com.android.systemui.recents.misc.SystemServicesProxy;
 import com.android.systemui.recents.misc.Utilities;
 
+import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.Objects;
 
@@ -37,6 +38,9 @@
  * A task represents the top most task in the system's task stack.
  */
 public class Task {
+
+    public static final String TAG = "Task";
+
     /* Task callbacks */
     public interface TaskCallbacks {
         /* Notifies when a task has been bound */
@@ -100,7 +104,8 @@
 
         @Override
         public String toString() {
-            return "t" + id + ", s" + stackId + ", u" + userId;
+            return "id=" + id + " stackId=" + stackId + " user=" + userId + " lastActiveTime=" +
+                    lastActiveTime;
         }
 
         private void updateHashCode() {
@@ -306,4 +311,13 @@
     public String toString() {
         return "[" + key.toString() + "] " + title;
     }
+
+    public void dump(String prefix, PrintWriter writer) {
+        writer.print(prefix); writer.print(key);
+        if (affiliationTaskId != key.id) {
+            writer.print(" "); writer.print("affTaskId=" + affiliationTaskId);
+        }
+        writer.print(" "); writer.print(title);
+        writer.println();
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/model/TaskStack.java b/packages/SystemUI/src/com/android/systemui/recents/model/TaskStack.java
index df3f56c..fbb5987 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/model/TaskStack.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/model/TaskStack.java
@@ -55,6 +55,7 @@
 import com.android.systemui.recents.views.DropTarget;
 import com.android.systemui.recents.views.TaskStackLayoutAlgorithm;
 
+import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
@@ -208,6 +209,8 @@
  */
 public class TaskStack {
 
+    private static final String TAG = "TaskStack";
+
     /** Task stack callbacks */
     public interface TaskStackCallbacks {
         /**
@@ -725,7 +728,9 @@
     /** Finds the task with the specified task id. */
     public Task findTaskWithId(int taskId) {
         ArrayList<Task> tasks = computeAllTasksList();
-        for (Task task : tasks) {
+        int taskCount = tasks.size();
+        for (int i = 0; i < taskCount; i++) {
+            Task task = tasks.get(i);
             if (task.key.id == taskId) {
                 return task;
             }
@@ -880,7 +885,10 @@
         ArraySet<ComponentName> existingComponents = new ArraySet<>();
         ArraySet<ComponentName> removedComponents = new ArraySet<>();
         ArrayList<Task.TaskKey> taskKeys = getTaskKeys();
-        for (Task.TaskKey t : taskKeys) {
+        int taskKeyCount = taskKeys.size();
+        for (int i = 0; i < taskKeyCount; i++) {
+            Task.TaskKey t = taskKeys.get(i);
+
             // Skip if this doesn't apply to the current user
             if (t.userId != userId) continue;
 
@@ -903,8 +911,10 @@
     @Override
     public String toString() {
         String str = "Stack Tasks (" + mStackTaskList.size() + "):\n";
-        for (Task t : mStackTaskList.getTasks()) {
-            str += "    " + t.toString() + "\n";
+        ArrayList<Task> tasks = mStackTaskList.getTasks();
+        int taskCount = tasks.size();
+        for (int i = 0; i < taskCount; i++) {
+            str += "    " + tasks.get(i).toString() + "\n";
         }
         return str;
     }
@@ -921,4 +931,17 @@
         }
         return map;
     }
+
+    public void dump(String prefix, PrintWriter writer) {
+        String innerPrefix = prefix + "  ";
+
+        writer.print(prefix); writer.print(TAG);
+        writer.print(" numStackTasks="); writer.print(mStackTaskList.size());
+        writer.println();
+        ArrayList<Task> tasks = mStackTaskList.getTasks();
+        int taskCount = tasks.size();
+        for (int i = 0; i < taskCount; i++) {
+            tasks.get(i).dump(innerPrefix, writer);
+        }
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/tv/RecentsTvActivity.java b/packages/SystemUI/src/com/android/systemui/recents/tv/RecentsTvActivity.java
index f9f851a..13e1a14 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/tv/RecentsTvActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/tv/RecentsTvActivity.java
@@ -37,14 +37,12 @@
 import com.android.systemui.recents.events.activity.CancelEnterRecentsWindowAnimationEvent;
 import com.android.systemui.recents.events.activity.DismissRecentsToHomeAnimationStarted;
 import com.android.systemui.recents.events.activity.EnterRecentsWindowAnimationCompletedEvent;
-import com.android.systemui.recents.events.activity.EnterRecentsWindowLastAnimationFrameEvent;
 import com.android.systemui.recents.events.activity.HideRecentsEvent;
 import com.android.systemui.recents.events.activity.LaunchTaskFailedEvent;
 import com.android.systemui.recents.events.activity.ToggleRecentsEvent;
 import com.android.systemui.recents.events.component.RecentsVisibilityChangedEvent;
 import com.android.systemui.recents.events.ui.AllTaskViewsDismissedEvent;
 import com.android.systemui.recents.events.ui.DeleteTaskDataEvent;
-import com.android.systemui.recents.events.ui.UpdateFreeformTaskViewVisibilityEvent;
 import com.android.systemui.recents.events.ui.UserInteractionEvent;
 import com.android.systemui.recents.events.ui.focus.DismissFocusedTaskViewEvent;
 import com.android.systemui.recents.misc.SystemServicesProxy;
@@ -53,7 +51,9 @@
 import com.android.systemui.recents.model.RecentsTaskLoader;
 import com.android.systemui.recents.model.Task;
 import com.android.systemui.recents.model.TaskStack;
+import com.android.systemui.recents.tv.animations.HomeRecentsEnterExitAnimationHolder;
 import com.android.systemui.recents.tv.views.RecentsTvView;
+import com.android.systemui.recents.tv.views.TaskStackHorizontalGridView;
 import com.android.systemui.recents.tv.views.TaskStackHorizontalViewAdapter;
 import com.android.systemui.statusbar.BaseStatusBar;
 import com.android.systemui.tv.pip.PipManager;
@@ -76,11 +76,14 @@
     private RecentsPackageMonitor mPackageMonitor;
     private long mLastTabKeyEventTime;
     private boolean mIgnoreAltTabRelease;
+    private boolean mLaunchedFromHome;
 
     private RecentsTvView mRecentsView;
     private View mPipView;
     private TaskStackHorizontalViewAdapter mTaskStackViewAdapter;
+    private TaskStackHorizontalGridView mTaskStackHorizontalGridView;
     private FinishRecentsRunnable mFinishLaunchHomeRunnable;
+    private HomeRecentsEnterExitAnimationHolder mHomeRecentsEnterExitAnimationHolder;
 
     private final PipManager mPipManager = PipManager.getInstance();
     private final PipManager.Listener mPipListener = new PipManager.Listener() {
@@ -174,6 +177,7 @@
         if (!plan.hasTasks()) {
             loader.preloadTasks(plan, -1, launchState.launchedFromHome);
         }
+        mLaunchedFromHome = launchState.launchedFromHome;
         TaskStack stack = plan.getTaskStack();
         RecentsTaskLoadPlan.Options loadOpts = new RecentsTaskLoadPlan.Options();
         loadOpts.runningTaskId = launchState.launchedToTaskId;
@@ -187,7 +191,8 @@
         Collections.reverse(stackTasks);
         if (mTaskStackViewAdapter == null) {
             mTaskStackViewAdapter = new TaskStackHorizontalViewAdapter(stackTasks);
-            mRecentsView.setTaskStackViewAdapter(mTaskStackViewAdapter);
+            mTaskStackHorizontalGridView = mRecentsView
+                    .setTaskStackViewAdapter(mTaskStackViewAdapter);
         } else {
             mTaskStackViewAdapter.setNewStackTasks(stackTasks);
         }
@@ -229,17 +234,24 @@
     }
 
     void dismissRecentsToHome(boolean animateTaskViews) {
-        DismissRecentsToHomeAnimationStarted dismissEvent =
-                new DismissRecentsToHomeAnimationStarted(animateTaskViews);
-        dismissEvent.addPostAnimationCallback(mFinishLaunchHomeRunnable);
-        dismissEvent.addPostAnimationCallback(new Runnable() {
+        Runnable closeSystemWindows = new Runnable() {
             @Override
             public void run() {
                 Recents.getSystemServices().sendCloseSystemWindows(
                         BaseStatusBar.SYSTEM_DIALOG_REASON_HOME_KEY);
             }
-        });
-        EventBus.getDefault().send(dismissEvent);
+        };
+        DismissRecentsToHomeAnimationStarted dismissEvent =
+                new DismissRecentsToHomeAnimationStarted(animateTaskViews);
+        dismissEvent.addPostAnimationCallback(mFinishLaunchHomeRunnable);
+        dismissEvent.addPostAnimationCallback(closeSystemWindows);
+
+        if(mTaskStackHorizontalGridView.getChildCount() > 0) {
+            mHomeRecentsEnterExitAnimationHolder.startExitAnimation(dismissEvent);
+        } else {
+            closeSystemWindows.run();
+            mFinishLaunchHomeRunnable.run();
+        }
     }
 
     boolean dismissRecentsToHomeIfVisible(boolean animated) {
@@ -319,6 +331,19 @@
         // Update the recent tasks
         updateRecentsTasks();
 
+        mHomeRecentsEnterExitAnimationHolder = new HomeRecentsEnterExitAnimationHolder(
+                getApplicationContext(), mTaskStackHorizontalGridView);
+        if(mTaskStackHorizontalGridView != null &&
+                mTaskStackHorizontalGridView.getChildCount() > 0) {
+            if(mLaunchedFromHome) {
+                mHomeRecentsEnterExitAnimationHolder.setEnterFromHomeStartingAnimationValues();
+            } else {
+                mHomeRecentsEnterExitAnimationHolder.setEnterFromAppStartingAnimationValues();
+            }
+        } else {
+            mRecentsView.getViewTreeObserver().addOnPreDrawListener(this);
+        }
+
         // If this is a new instance from a configuration change, then we have to manually trigger
         // the enter animation state, or if recents was relaunched by AM, without going through
         // the normal mechanisms
@@ -340,6 +365,9 @@
     @Override
     public void onEnterAnimationComplete() {
         super.onEnterAnimationComplete();
+        if(mLaunchedFromHome) {
+            mHomeRecentsEnterExitAnimationHolder.startEnterAnimation();
+        }
         EventBus.getDefault().send(new EnterRecentsWindowAnimationCompletedEvent());
     }
 
@@ -444,12 +472,6 @@
         }
     }
 
-    public final void onBusEvent(EnterRecentsWindowLastAnimationFrameEvent event) {
-        EventBus.getDefault().send(new UpdateFreeformTaskViewVisibilityEvent(true));
-        mRecentsView.getViewTreeObserver().addOnPreDrawListener(this);
-        mRecentsView.invalidate();
-    }
-
     public final void onBusEvent(CancelEnterRecentsWindowAnimationEvent event) {
         RecentsActivityLaunchState launchState = Recents.getConfiguration().getLaunchState();
         int launchToTaskId = launchState.launchedToTaskId;
@@ -489,6 +511,11 @@
     @Override
     public boolean onPreDraw() {
         mRecentsView.getViewTreeObserver().removeOnPreDrawListener(this);
+        if(mLaunchedFromHome) {
+            mHomeRecentsEnterExitAnimationHolder.setEnterFromHomeStartingAnimationValues();
+        } else {
+            mHomeRecentsEnterExitAnimationHolder.setEnterFromAppStartingAnimationValues();
+        }
         // We post to make sure that this information is delivered after this traversals is
         // finished.
         mRecentsView.post(new Runnable() {
diff --git a/packages/SystemUI/src/com/android/systemui/recents/tv/RecentsTvImpl.java b/packages/SystemUI/src/com/android/systemui/recents/tv/RecentsTvImpl.java
index fb62aff..9a9e33b 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/tv/RecentsTvImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/tv/RecentsTvImpl.java
@@ -25,6 +25,7 @@
 import android.os.SystemClock;
 import android.os.UserHandle;
 
+import com.android.systemui.SystemUIApplication;
 import com.android.systemui.recents.Recents;
 import com.android.systemui.recents.RecentsActivityLaunchState;
 import com.android.systemui.recents.RecentsConfiguration;
@@ -34,6 +35,7 @@
 import com.android.systemui.recents.model.RecentsTaskLoader;
 import com.android.systemui.recents.model.TaskStack;
 import com.android.systemui.recents.tv.views.TaskCardView;
+import com.android.systemui.statusbar.tv.TvStatusBar;
 
 public class RecentsTvImpl extends RecentsImpl{
     public final static String RECENTS_TV_ACTIVITY =
@@ -81,16 +83,7 @@
         }
 
         if (!useThumbnailTransition) {
-            // If there is no thumbnail transition, but is launching from home into recents, then
-            // use a quick home transition and do the animation from home
-            if (hasRecentTasks) {
-                ActivityOptions opts = getHomeTransitionActivityOptions();
-                startRecentsActivity(topTask, opts, true /* fromHome */, false /* fromThumbnail */);
-            } else {
-                // Otherwise we do the normal fade from an unknown source
-                ActivityOptions opts = getUnknownTransitionActivityOptions();
-                startRecentsActivity(topTask, opts, true /* fromHome */, false /* fromThumbnail */);
-            }
+            startRecentsActivity(topTask, null, true /* fromHome */, false /* fromThumbnail */);
         }
         mLastToggleTime = SystemClock.elapsedRealtime();
     }
@@ -134,4 +127,13 @@
         // If both the screenshot and thumbnail fails, then just fall back to the default transition
         return getUnknownTransitionActivityOptions();
     }
+
+    @Override
+    public void onVisibilityChanged(Context context, boolean visible) {
+        SystemUIApplication app = (SystemUIApplication) context;
+        TvStatusBar statusBar = app.getComponent(TvStatusBar.class);
+        if (statusBar != null) {
+            statusBar.updateRecentsVisibility(visible);
+        }
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/tv/animations/DismissAnimationsHolder.java b/packages/SystemUI/src/com/android/systemui/recents/tv/animations/DismissAnimationsHolder.java
index 8996d0b..fbcfa97 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/tv/animations/DismissAnimationsHolder.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/tv/animations/DismissAnimationsHolder.java
@@ -18,9 +18,8 @@
 
 import android.animation.Animator;
 import android.content.res.Resources;
-import android.support.v4.view.animation.FastOutSlowInInterpolator;
-import android.view.View;
 import android.widget.LinearLayout;
+import com.android.systemui.Interpolators;
 import com.android.systemui.recents.tv.views.TaskCardView;
 
 import com.android.systemui.R;
@@ -28,7 +27,6 @@
 public class DismissAnimationsHolder {
     private LinearLayout mDismissArea;
     private LinearLayout mTaskCardView;
-    private FastOutSlowInInterpolator mFastOutSlowIn;
     private int mCardYDelta;
     private long mShortDuration;
     private long mLongDuration;
@@ -36,7 +34,6 @@
     public DismissAnimationsHolder(TaskCardView taskCardView) {
         mTaskCardView = (LinearLayout) taskCardView.findViewById(R.id.recents_tv_card);
         mDismissArea = (LinearLayout) taskCardView.findViewById(R.id.card_dismiss);
-        mFastOutSlowIn = new FastOutSlowInInterpolator();
 
         Resources res = taskCardView.getResources();
         mCardYDelta = res.getDimensionPixelOffset(R.dimen.recents_tv_dismiss_shift_down);
@@ -45,36 +42,42 @@
     }
 
     public void startEnterAnimation() {
-        mDismissArea.animate().setDuration(mShortDuration);
-        mDismissArea.animate().setInterpolator(mFastOutSlowIn);
-        mDismissArea.animate().alpha(1.0f);
+        mDismissArea.animate()
+                .setDuration(mShortDuration)
+                .setInterpolator(Interpolators.FAST_OUT_SLOW_IN)
+                .alpha(1.0f);
 
-        mTaskCardView.animate().setDuration(mShortDuration);
-        mTaskCardView.animate().setInterpolator(mFastOutSlowIn);
-        mTaskCardView.animate().translationYBy(mCardYDelta);
-        mTaskCardView.animate().alpha(0.5f);
+        mTaskCardView.animate()
+                .setDuration(mShortDuration)
+                .setInterpolator(Interpolators.FAST_OUT_SLOW_IN)
+                .translationYBy(mCardYDelta)
+                .alpha(0.5f);
     }
 
     public void startExitAnimation() {
-        mDismissArea.animate().setDuration(mShortDuration);
-        mDismissArea.animate().setInterpolator(mFastOutSlowIn);
-        mDismissArea.animate().alpha(0.0f);
+        mDismissArea.animate()
+                .setDuration(mShortDuration)
+                .setInterpolator(Interpolators.FAST_OUT_SLOW_IN)
+                .alpha(0.0f);
 
-        mTaskCardView.animate().setDuration(mShortDuration);
-        mTaskCardView.animate().setInterpolator(mFastOutSlowIn);
-        mTaskCardView.animate().translationYBy(-mCardYDelta);
-        mTaskCardView.animate().alpha(1.0f);
+        mTaskCardView.animate()
+                .setDuration(mShortDuration)
+                .setInterpolator(Interpolators.FAST_OUT_SLOW_IN)
+                .translationYBy(-mCardYDelta)
+                .alpha(1.0f);
     }
 
     public void startDismissAnimation(Animator.AnimatorListener listener) {
-        mDismissArea.animate().setDuration(mShortDuration);
-        mDismissArea.animate().setInterpolator(mFastOutSlowIn);
-        mDismissArea.animate().alpha(0.0f);
+        mDismissArea.animate()
+                .setDuration(mShortDuration)
+                .setInterpolator(Interpolators.FAST_OUT_SLOW_IN)
+                .alpha(0.0f);
 
-        mTaskCardView.animate().setDuration(mLongDuration);
-        mTaskCardView.animate().setInterpolator(mFastOutSlowIn);
-        mTaskCardView.animate().translationYBy(mCardYDelta);
-        mTaskCardView.animate().alpha(0.0f);
-        mTaskCardView.animate().setListener(listener);
+        mTaskCardView.animate()
+                .setDuration(mLongDuration)
+                .setInterpolator(Interpolators.FAST_OUT_SLOW_IN)
+                .translationYBy(mCardYDelta)
+                .alpha(0.0f)
+                .setListener(listener);
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/tv/animations/HomeRecentsEnterExitAnimationHolder.java b/packages/SystemUI/src/com/android/systemui/recents/tv/animations/HomeRecentsEnterExitAnimationHolder.java
new file mode 100644
index 0000000..278de87
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/recents/tv/animations/HomeRecentsEnterExitAnimationHolder.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.recents.tv.animations;
+
+import android.content.Context;
+import com.android.systemui.Interpolators;
+import com.android.systemui.R;
+import com.android.systemui.recents.events.activity.DismissRecentsToHomeAnimationStarted;
+import com.android.systemui.recents.tv.views.TaskCardView;
+import com.android.systemui.recents.tv.views.TaskStackHorizontalGridView;
+
+
+public class HomeRecentsEnterExitAnimationHolder {
+
+    private Context mContext;
+    private TaskStackHorizontalGridView mGridView;
+    private long mDelay;
+    private int mDuration;
+    private int mTranslationX;
+
+    public HomeRecentsEnterExitAnimationHolder(Context context,
+            TaskStackHorizontalGridView gridView) {
+        mContext = context;
+        mGridView = gridView;
+        mTranslationX = mContext.getResources()
+                .getDimensionPixelSize(R.dimen.recents_tv_home_recents_shift);
+        mDelay = mContext.getResources().getInteger(R.integer.recents_home_delay);
+        mDuration =  mContext.getResources().getInteger(R.integer.recents_home_duration);
+    }
+
+    public void startEnterAnimation() {
+        for(int i = 0; i < mGridView.getChildCount(); i++) {
+            TaskCardView view = (TaskCardView) mGridView.getChildAt(i);
+            view.setTranslationX(-mTranslationX);
+            view.setAlpha(0.0f);
+            view.animate()
+                    .alpha(1.0f)
+                    .translationX(0)
+                    .setDuration(mDuration)
+                    .setStartDelay(mDelay * i)
+                    .setInterpolator(Interpolators.FAST_OUT_SLOW_IN);
+        }
+    }
+
+    public void startExitAnimation(DismissRecentsToHomeAnimationStarted dismissEvent) {
+        for(int i = mGridView.getChildCount() - 1; i >= 0; i--) {
+            TaskCardView view = (TaskCardView) mGridView.getChildAt(i);
+            view.animate()
+                    .alpha(0.0f)
+                    .translationXBy(-mTranslationX)
+                    .setDuration(mDuration)
+                    .setStartDelay(mDelay * (mGridView.getChildCount() - 1 - i))
+                    .setInterpolator(Interpolators.FAST_OUT_SLOW_IN);
+            if(i == 0) {
+                view.animate().setListener(dismissEvent.getAnimationTrigger()
+                        .decrementOnAnimationEnd());
+                dismissEvent.getAnimationTrigger().increment();
+            }
+        }
+    }
+
+    public void setEnterFromHomeStartingAnimationValues() {
+        for(int i = 0; i < mGridView.getChildCount(); i++) {
+            TaskCardView view = (TaskCardView) mGridView.getChildAt(i);
+            view.setTranslationX(-mTranslationX);
+            view.setAlpha(0.0f);
+        }
+    }
+
+    public void setEnterFromAppStartingAnimationValues() {
+        for(int i = 0; i < mGridView.getChildCount(); i++) {
+            TaskCardView view = (TaskCardView) mGridView.getChildAt(i);
+            view.setTranslationX(0);
+            view.setAlpha(1.0f);
+        }
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/recents/tv/views/RecentsTvView.java b/packages/SystemUI/src/com/android/systemui/recents/tv/views/RecentsTvView.java
index 9da8eed..9e4abac 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/tv/views/RecentsTvView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/tv/views/RecentsTvView.java
@@ -218,9 +218,15 @@
         }
     }
 
-    public void setTaskStackViewAdapter(TaskStackHorizontalViewAdapter taskStackViewAdapter) {
+    public TaskStackHorizontalGridView setTaskStackViewAdapter(
+            TaskStackHorizontalViewAdapter taskStackViewAdapter) {
         if(mTaskStackHorizontalView != null) {
             mTaskStackHorizontalView.setAdapter(taskStackViewAdapter);
         }
+        return mTaskStackHorizontalView;
+    }
+
+    public TaskStackHorizontalGridView getGridView() {
+        return mTaskStackHorizontalView;
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskCardView.java b/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskCardView.java
index d605748..e1f8699 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskCardView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskCardView.java
@@ -64,6 +64,7 @@
 
     @Override
     protected void onFinishInflate() {
+        super.onFinishInflate();
         mThumbnailView = (ImageView) findViewById(R.id.card_view_thumbnail);
         mTitleTextView = (TextView) findViewById(R.id.card_title_text);
         mBadgeView = (ImageView) findViewById(R.id.card_extra_badge);
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
index ef81f9e..21a43d5 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
@@ -74,6 +74,8 @@
 import com.android.systemui.stackdivider.WindowManagerProxy;
 import com.android.systemui.statusbar.FlingAnimationUtils;
 
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -83,6 +85,8 @@
  */
 public class RecentsView extends FrameLayout {
 
+    private static final String TAG = "RecentsView";
+
     private static final int DOCK_AREA_OVERLAY_TRANSITION_DURATION = 135;
     private static final int DEFAULT_UPDATE_SCRIM_DURATION = 200;
     private static final float DEFAULT_SCRIM_ALPHA = 0.33f;
@@ -758,4 +762,22 @@
                 top + mStackActionButton.getMeasuredHeight());
         return actionButtonRect;
     }
+
+    public void dump(String prefix, PrintWriter writer) {
+        String innerPrefix = prefix + "  ";
+        String id = Integer.toHexString(System.identityHashCode(this));
+
+        writer.print(prefix); writer.print(TAG);
+        writer.print(" awaitingFirstLayout="); writer.print(mAwaitingFirstLayout ? "Y" : "N");
+        writer.print(" insets="); writer.print(Utilities.dumpRect(mSystemInsets));
+        writer.print(" [0x"); writer.print(id); writer.print("]");
+        writer.println();
+
+        if (mStack != null) {
+            mStack.dump(innerPrefix, writer);
+        }
+        if (mTaskStackView != null) {
+            mTaskStackView.dump(innerPrefix, writer);
+        }
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackLayoutAlgorithm.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackLayoutAlgorithm.java
index c16a9be4..b75a91e 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackLayoutAlgorithm.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackLayoutAlgorithm.java
@@ -39,6 +39,7 @@
 import com.android.systemui.recents.model.Task;
 import com.android.systemui.recents.model.TaskStack;
 
+import java.io.PrintWriter;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.util.ArrayList;
@@ -109,6 +110,8 @@
  */
 public class TaskStackLayoutAlgorithm {
 
+    private static final String TAG = "TaskStackLayoutAlgorithm";
+
     // The distribution of view bounds alpha
     // XXX: This is a hack because you can currently set the max alpha to be > 1f
     public static final float OUTLINE_ALPHA_MIN_VALUE = 0f;
@@ -684,7 +687,6 @@
     }
 
     /**
-     *
      * Returns the current stack state.
      */
     public StackState getStackState() {
@@ -1157,4 +1159,44 @@
         mBackOfStackTransform.visible = true;
         mFrontOfStackTransform.visible = true;
     }
-}
+
+    public void dump(String prefix, PrintWriter writer) {
+        String innerPrefix = prefix + "  ";
+
+        writer.print(prefix); writer.print(TAG);
+        writer.write(" numStackTasks="); writer.write(mNumStackTasks);
+        writer.println();
+
+        writer.print(innerPrefix);
+        writer.print("insets="); writer.print(Utilities.dumpRect(mSystemInsets));
+        writer.print(" stack="); writer.print(Utilities.dumpRect(mStackRect));
+        writer.print(" task="); writer.print(Utilities.dumpRect(mTaskRect));
+        writer.print(" freeform="); writer.print(Utilities.dumpRect(mFreeformRect));
+        writer.print(" actionButton="); writer.print(Utilities.dumpRect(mStackActionButtonRect));
+        writer.println();
+
+        writer.print(innerPrefix);
+        writer.print("minScroll="); writer.print(mMinScrollP);
+        writer.print(" maxScroll="); writer.print(mMaxScrollP);
+        writer.print(" initialScroll="); writer.print(mInitialScrollP);
+        writer.println();
+
+        writer.print(innerPrefix);
+        writer.print("focusState="); writer.print(mFocusState);
+        writer.println();
+
+        if (mTaskIndexOverrideMap.size() > 0) {
+            for (int i = mTaskIndexOverrideMap.size() - 1; i >= 0; i--) {
+                int taskId = mTaskIndexOverrideMap.keyAt(i);
+                float x = mTaskIndexMap.get(taskId);
+                float overrideX = mTaskIndexOverrideMap.get(taskId, 0f);
+
+                writer.print(innerPrefix);
+                writer.print("taskId= "); writer.print(taskId);
+                writer.print(" x= "); writer.print(x);
+                writer.print(" overrideX= "); writer.print(overrideX);
+                writer.println();
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
index 5416a48..13c8403 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
@@ -90,6 +90,7 @@
 import com.android.systemui.recents.model.Task;
 import com.android.systemui.recents.model.TaskStack;
 
+import java.io.PrintWriter;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.util.ArrayList;
@@ -102,6 +103,8 @@
         TaskStackLayoutAlgorithm.TaskStackLayoutAlgorithmCallbacks,
         ViewPool.ViewPoolConsumer<TaskView, Task> {
 
+    private static final String TAG = "TaskStackView";
+
     private final static String KEY_SAVED_STATE_SUPER = "saved_instance_state_super";
     private final static String KEY_SAVED_STATE_LAYOUT_FOCUSED_STATE =
             "saved_instance_state_layout_focused_state";
@@ -2067,4 +2070,37 @@
         mScreenPinningEnabled = ssp.getSystemSetting(getContext(),
                 Settings.System.LOCK_TO_APP_ENABLED) != 0;
     }
+
+    public void dump(String prefix, PrintWriter writer) {
+        String innerPrefix = prefix + "  ";
+        String id = Integer.toHexString(System.identityHashCode(this));
+
+        writer.print(prefix); writer.print(TAG);
+        writer.print(" hasDefRelayout=");
+        writer.print(mDeferredTaskViewLayoutAnimation != null ? "Y" : "N");
+        writer.print(" clipDirty="); writer.print(mTaskViewsClipDirty ? "Y" : "N");
+        writer.print(" awaitingFirstLayout="); writer.print(mAwaitingFirstLayout ? "Y" : "N");
+        writer.print(" initialState="); writer.print(mInitialState);
+        writer.print(" inMeasureLayout="); writer.print(mInMeasureLayout ? "Y" : "N");
+        writer.print(" enterAnimCompleted="); writer.print(mEnterAnimationComplete ? "Y" : "N");
+        writer.print(" touchExplorationOn="); writer.print(mTouchExplorationEnabled ? "Y" : "N");
+        writer.print(" screenPinningOn="); writer.print(mScreenPinningEnabled ? "Y" : "N");
+        writer.print(" numIgnoreTasks="); writer.print(mIgnoreTasks.size());
+        writer.print(" numViewPool="); writer.print(mViewPool.getViews().size());
+        writer.print(" stableStackBounds="); writer.print(Utilities.dumpRect(mStableStackBounds));
+        writer.print(" stackBounds="); writer.print(Utilities.dumpRect(mStackBounds));
+        writer.print(" stableWindow="); writer.print(Utilities.dumpRect(mStableWindowRect));
+        writer.print(" window="); writer.print(Utilities.dumpRect(mWindowRect));
+        writer.print(" [0x"); writer.print(id); writer.print("]");
+        writer.println();
+
+        if (mFocusedTask != null) {
+            writer.print(innerPrefix);
+            writer.print("Focused task: ");
+            mFocusedTask.dump(innerPrefix, writer);
+        }
+
+        mLayoutAlgorithm.dump(innerPrefix, writer);
+        mStackScroller.dump(innerPrefix, writer);
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewScroller.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewScroller.java
index 583fb88..19b3c94 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewScroller.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewScroller.java
@@ -30,6 +30,8 @@
 import com.android.systemui.R;
 import com.android.systemui.recents.misc.Utilities;
 
+import java.io.PrintWriter;
+
 /* The scrolling logic for a TaskStackView */
 public class TaskStackViewScroller {
 
@@ -246,4 +248,10 @@
             mScroller.abortAnimation();
         }
     }
+
+    public void dump(String prefix, PrintWriter writer) {
+        writer.print(prefix); writer.print(TAG);
+        writer.print(" stackScroll:"); writer.print(mStackScrollP);
+        writer.println();
+    }
 }
\ No newline at end of file
diff --git a/packages/SystemUI/src/com/android/systemui/stackdivider/Divider.java b/packages/SystemUI/src/com/android/systemui/stackdivider/Divider.java
index ddd3ea1..d294c80 100644
--- a/packages/SystemUI/src/com/android/systemui/stackdivider/Divider.java
+++ b/packages/SystemUI/src/com/android/systemui/stackdivider/Divider.java
@@ -34,8 +34,6 @@
  * Controls the docked stack divider.
  */
 public class Divider extends SystemUI {
-    private static final String TAG = "Divider";
-    private int mDividerWindowWidth;
     private DividerWindowManager mWindowManager;
     private DividerView mView;
     private DockDividerVisibilityListener mDockDividerVisibilityListener;
@@ -46,8 +44,6 @@
     @Override
     public void start() {
         mWindowManager = new DividerWindowManager(mContext);
-        mDividerWindowWidth = mContext.getResources().getDimensionPixelSize(
-                com.android.internal.R.dimen.docked_stack_divider_thickness);
         update(mContext.getResources().getConfiguration());
         putComponent(Divider.class, this);
         mDockDividerVisibilityListener = new DockDividerVisibilityListener();
@@ -70,9 +66,11 @@
         mView = (DividerView)
                 LayoutInflater.from(mContext).inflate(R.layout.docked_stack_divider, null);
         mView.setVisibility(mVisible ? View.VISIBLE : View.INVISIBLE);
+        final int size = mContext.getResources().getDimensionPixelSize(
+                com.android.internal.R.dimen.docked_stack_divider_thickness);
         final boolean landscape = configuration.orientation == ORIENTATION_LANDSCAPE;
-        final int width = landscape ? mDividerWindowWidth : MATCH_PARENT;
-        final int height = landscape ? MATCH_PARENT : mDividerWindowWidth;
+        final int width = landscape ? size : MATCH_PARENT;
+        final int height = landscape ? MATCH_PARENT : size;
         mWindowManager.add(mView, width, height);
         mView.setWindowManager(mWindowManager);
     }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
index 8102fae..1b2393a 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
@@ -91,6 +91,7 @@
 import com.android.internal.statusbar.StatusBarIcon;
 import com.android.internal.widget.LockPatternUtils;
 import com.android.keyguard.KeyguardUpdateMonitor;
+import com.android.keyguard.KeyguardHostView.OnDismissAction;
 import com.android.systemui.DejankUtils;
 import com.android.systemui.Interpolators;
 import com.android.systemui.R;
@@ -100,6 +101,7 @@
 import com.android.systemui.assist.AssistManager;
 import com.android.systemui.recents.Recents;
 import com.android.systemui.statusbar.NotificationData.Entry;
+import com.android.systemui.statusbar.NotificationGuts.OnGutsClosedListener;
 import com.android.systemui.statusbar.phone.NavigationBarView;
 import com.android.systemui.statusbar.phone.NotificationGroupManager;
 import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager;
@@ -114,12 +116,12 @@
 import java.util.Locale;
 
 import static android.service.notification.NotificationListenerService.Ranking.IMPORTANCE_HIGH;
-import static com.android.keyguard.KeyguardHostView.OnDismissAction;
 
 public abstract class BaseStatusBar extends SystemUI implements
         CommandQueue.Callbacks, ActivatableNotificationView.OnActivatedListener,
         ExpandableNotificationRow.ExpansionLogger, NotificationData.Environment,
-        ExpandableNotificationRow.OnExpandClickListener {
+        ExpandableNotificationRow.OnExpandClickListener,
+        OnGutsClosedListener {
     public static final String TAG = "StatusBar";
     public static final boolean DEBUG = false;
     public static final boolean MULTIUSER_DEBUG = false;
@@ -285,9 +287,10 @@
     private final ContentObserver mLockscreenSettingsObserver = new ContentObserver(mHandler) {
         @Override
         public void onChange(boolean selfChange) {
-            // We don't know which user changed LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS,
-            // so we just dump our cache ...
+            // We don't know which user changed LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS or
+            // LOCK_SCREEN_SHOW_NOTIFICATIONS, so we just dump our cache ...
             mUsersAllowingPrivateNotifications.clear();
+            mUsersAllowingNotifications.clear();
             // ... and refresh all the notifications
             updateNotifications();
         }
@@ -1010,6 +1013,7 @@
         PackageManager pmUser = getPackageManagerForUser(mContext, sbn.getUser().getIdentifier());
         row.setTag(sbn.getPackageName());
         final NotificationGuts guts = row.getGuts();
+        guts.setClosedListener(this);
         final String pkg = sbn.getPackageName();
         String appname = pkg;
         Drawable pkgicon = null;
@@ -1037,6 +1041,7 @@
             settingsButton.setOnClickListener(new View.OnClickListener() {
                 public void onClick(View v) {
                     MetricsLogger.action(mContext, MetricsEvent.ACTION_NOTE_INFO);
+                    guts.resetFalsingCheck();
                     startAppNotificationSettingsActivity(pkg, appUidF);
                 }
             });
@@ -1047,24 +1052,43 @@
         row.findViewById(R.id.done).setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                guts.saveImportance(sbn);
-
-                int[] rowLocation = new int[2];
-                int[] doneLocation = new int[2];
-                row.getLocationOnScreen(rowLocation);
-                v.getLocationOnScreen(doneLocation);
-
-                final int centerX = v.getWidth() / 2;
-                final int centerY = v.getHeight() / 2;
-                final int x = doneLocation[0] - rowLocation[0] + centerX;
-                final int y = doneLocation[1] - rowLocation[1] + centerY;
-                dismissPopups(x, y);
+                // If the user has security enabled, show challenge if the setting is changed.
+                if (guts.hasImportanceChanged() && isLockscreenPublicMode() &&
+                        (mState == StatusBarState.KEYGUARD
+                        || mState == StatusBarState.SHADE_LOCKED)) {
+                    OnDismissAction dismissAction = new OnDismissAction() {
+                        @Override
+                        public boolean onDismiss() {
+                            saveImportanceCloseControls(sbn, row, guts, v);
+                            return true;
+                        }
+                    };
+                    onLockedNotificationImportanceChange(dismissAction);
+                } else {
+                    saveImportanceCloseControls(sbn, row, guts, v);
+                }
             }
         });
-
         guts.bindImportance(pmUser, sbn, row, mNotificationData.getImportance(sbn.getKey()));
     }
 
+    private void saveImportanceCloseControls(StatusBarNotification sbn,
+            ExpandableNotificationRow row, NotificationGuts guts, View done) {
+        guts.resetFalsingCheck();
+        guts.saveImportance(sbn);
+
+        int[] rowLocation = new int[2];
+        int[] doneLocation = new int[2];
+        row.getLocationOnScreen(rowLocation);
+        done.getLocationOnScreen(doneLocation);
+
+        final int centerX = done.getWidth() / 2;
+        final int centerY = done.getHeight() / 2;
+        final int x = doneLocation[0] - rowLocation[0] + centerX;
+        final int y = doneLocation[1] - rowLocation[1] + centerY;
+        dismissPopups(x, y);
+    }
+
     protected SwipeHelper.LongPressListener getNotificationLongClicker() {
         return new SwipeHelper.LongPressListener() {
             @Override
@@ -1119,7 +1143,8 @@
                             }
                         });
                         a.start();
-                        guts.setExposed(true);
+                        guts.setExposed(true /* exposed */,
+                                mState == StatusBarState.KEYGUARD /* needsFalsingProtection */);
                         row.closeRemoteInput();
                         mStackScroller.onHeightChanged(null, true /* needsAnimation */);
                         mNotificationGutsExposed = guts;
@@ -1147,31 +1172,7 @@
 
     public void dismissPopups(int x, int y, boolean resetGear, boolean animate) {
         if (mNotificationGutsExposed != null) {
-            final NotificationGuts v = mNotificationGutsExposed;
-            mNotificationGutsExposed = null;
-
-            if (v.getWindowToken() == null) return;
-            if (x == -1 || y == -1) {
-                x = (v.getLeft() + v.getRight()) / 2;
-                y = (v.getTop() + v.getHeight() / 2);
-            }
-            final double horz = Math.max(v.getWidth() - x, x);
-            final double vert = Math.max(v.getHeight() - y, y);
-            final float r = (float) Math.hypot(horz, vert);
-            final Animator a = ViewAnimationUtils.createCircularReveal(v,
-                    x, y, r, 0);
-            a.setDuration(StackStateAnimator.ANIMATION_DURATION_STANDARD);
-            a.setInterpolator(Interpolators.FAST_OUT_LINEAR_IN);
-            a.addListener(new AnimatorListenerAdapter() {
-                @Override
-                public void onAnimationEnd(Animator animation) {
-                    super.onAnimationEnd(animation);
-                    v.setVisibility(View.GONE);
-                }
-            });
-            a.start();
-            v.setExposed(false);
-            mStackScroller.onHeightChanged(null, true /* needsAnimation */);
+            mNotificationGutsExposed.closeControls(x, y, true /* notify */);
         }
         if (resetGear) {
             mStackScroller.resetExposedGearView(animate, true /* force */);
@@ -1179,6 +1180,12 @@
     }
 
     @Override
+    public void onGutsClosed(NotificationGuts guts) {
+        mStackScroller.onHeightChanged(null, true /* needsAnimation */);
+        mNotificationGutsExposed = null;
+    }
+
+    @Override
     public void showRecentApps(boolean triggeredFromAltTab) {
         int msg = MSG_SHOW_RECENT_APPS;
         mHandler.removeMessages(msg);
@@ -1450,6 +1457,8 @@
         }
     }
 
+    protected void onLockedNotificationImportanceChange(OnDismissAction dismissAction) {}
+
     protected void onLockedRemoteInput(ExpandableNotificationRow row, View clickedView) {}
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/KeyboardShortcuts.java b/packages/SystemUI/src/com/android/systemui/statusbar/KeyboardShortcuts.java
index 2b365dc..977a77d 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/KeyboardShortcuts.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/KeyboardShortcuts.java
@@ -21,6 +21,9 @@
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.DialogInterface.OnClickListener;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.drawable.Drawable;
 import android.hardware.input.InputManager;
 import android.os.Handler;
 import android.os.Looper;
@@ -37,6 +40,7 @@
 import android.view.ViewGroup;
 import android.view.Window;
 import android.view.WindowManager.KeyboardShortcutsReceiver;
+import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
@@ -52,158 +56,13 @@
 /**
  * Contains functionality for handling keyboard shortcuts.
  */
-public class KeyboardShortcuts {
+public final class KeyboardShortcuts {
     private static final String TAG = KeyboardShortcuts.class.getSimpleName();
 
-    private static final SparseArray<String> SPECIAL_CHARACTER_NAMES = new SparseArray<>();
-    private static final SparseArray<String> MODIFIER_NAMES = new SparseArray<>();
-
-    private static void loadSpecialCharacterNames(Context context) {
-        SPECIAL_CHARACTER_NAMES.put(
-                KeyEvent.KEYCODE_HOME, context.getString(R.string.keyboard_key_home));
-        SPECIAL_CHARACTER_NAMES.put(
-                KeyEvent.KEYCODE_BACK, context.getString(R.string.keyboard_key_back));
-        SPECIAL_CHARACTER_NAMES.put(
-                KeyEvent.KEYCODE_DPAD_UP, context.getString(R.string.keyboard_key_dpad_up));
-        SPECIAL_CHARACTER_NAMES.put(
-                KeyEvent.KEYCODE_DPAD_DOWN, context.getString(R.string.keyboard_key_dpad_down));
-        SPECIAL_CHARACTER_NAMES.put(
-                KeyEvent.KEYCODE_DPAD_LEFT, context.getString(R.string.keyboard_key_dpad_left));
-        SPECIAL_CHARACTER_NAMES.put(
-                KeyEvent.KEYCODE_DPAD_RIGHT, context.getString(R.string.keyboard_key_dpad_right));
-        SPECIAL_CHARACTER_NAMES.put(
-                KeyEvent.KEYCODE_DPAD_CENTER, context.getString(R.string.keyboard_key_dpad_center));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_PERIOD, ".");
-        SPECIAL_CHARACTER_NAMES.put(
-                KeyEvent.KEYCODE_TAB, context.getString(R.string.keyboard_key_tab));
-        SPECIAL_CHARACTER_NAMES.put(
-                KeyEvent.KEYCODE_SPACE, context.getString(R.string.keyboard_key_space));
-        SPECIAL_CHARACTER_NAMES.put(
-                KeyEvent.KEYCODE_ENTER, context.getString(R.string.keyboard_key_enter));
-        SPECIAL_CHARACTER_NAMES.put(
-                KeyEvent.KEYCODE_DEL, context.getString(R.string.keyboard_key_backspace));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE,
-                context.getString(R.string.keyboard_key_media_play_pause));
-        SPECIAL_CHARACTER_NAMES.put(
-                KeyEvent.KEYCODE_MEDIA_STOP, context.getString(R.string.keyboard_key_media_stop));
-        SPECIAL_CHARACTER_NAMES.put(
-                KeyEvent.KEYCODE_MEDIA_NEXT, context.getString(R.string.keyboard_key_media_next));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_MEDIA_PREVIOUS,
-                context.getString(R.string.keyboard_key_media_previous));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_MEDIA_REWIND,
-                context.getString(R.string.keyboard_key_media_rewind));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_MEDIA_FAST_FORWARD,
-                context.getString(R.string.keyboard_key_media_fast_forward));
-        SPECIAL_CHARACTER_NAMES.put(
-                KeyEvent.KEYCODE_PAGE_UP, context.getString(R.string.keyboard_key_page_up));
-        SPECIAL_CHARACTER_NAMES.put(
-                KeyEvent.KEYCODE_PAGE_DOWN, context.getString(R.string.keyboard_key_page_down));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_BUTTON_A,
-                context.getString(R.string.keyboard_key_button_template, "A"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_BUTTON_B,
-                context.getString(R.string.keyboard_key_button_template, "B"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_BUTTON_C,
-                context.getString(R.string.keyboard_key_button_template, "C"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_BUTTON_X,
-                context.getString(R.string.keyboard_key_button_template, "X"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_BUTTON_Y,
-                context.getString(R.string.keyboard_key_button_template, "Y"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_BUTTON_Z,
-                context.getString(R.string.keyboard_key_button_template, "Z"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_BUTTON_L1,
-                context.getString(R.string.keyboard_key_button_template, "L1"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_BUTTON_R1,
-                context.getString(R.string.keyboard_key_button_template, "R1"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_BUTTON_L2,
-                context.getString(R.string.keyboard_key_button_template, "L2"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_BUTTON_R2,
-                context.getString(R.string.keyboard_key_button_template, "R2"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_BUTTON_START,
-                context.getString(R.string.keyboard_key_button_template, "Start"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_BUTTON_SELECT,
-                context.getString(R.string.keyboard_key_button_template, "Select"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_BUTTON_MODE,
-                context.getString(R.string.keyboard_key_button_template, "Mode"));
-        SPECIAL_CHARACTER_NAMES.put(
-                KeyEvent.KEYCODE_FORWARD_DEL, context.getString(R.string.keyboard_key_forward_del));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_ESCAPE, "Esc");
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_SYSRQ, "SysRq");
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_BREAK, "Break");
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_SCROLL_LOCK, "Scroll Lock");
-        SPECIAL_CHARACTER_NAMES.put(
-                KeyEvent.KEYCODE_MOVE_HOME, context.getString(R.string.keyboard_key_move_home));
-        SPECIAL_CHARACTER_NAMES.put(
-                KeyEvent.KEYCODE_MOVE_END, context.getString(R.string.keyboard_key_move_end));
-        SPECIAL_CHARACTER_NAMES.put(
-                KeyEvent.KEYCODE_INSERT, context.getString(R.string.keyboard_key_insert));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_F1, "F1");
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_F2, "F2");
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_F3, "F3");
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_F4, "F4");
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_F5, "F5");
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_F6, "F6");
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_F7, "F7");
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_F8, "F8");
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_F9, "F9");
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_F10, "F10");
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_F11, "F11");
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_F12, "F12");
-        SPECIAL_CHARACTER_NAMES.put(
-                KeyEvent.KEYCODE_NUM_LOCK, context.getString(R.string.keyboard_key_num_lock));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_NUMPAD_0,
-                context.getString(R.string.keyboard_key_numpad_template, "0"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_NUMPAD_1,
-                context.getString(R.string.keyboard_key_numpad_template, "1"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_NUMPAD_2,
-                context.getString(R.string.keyboard_key_numpad_template, "2"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_NUMPAD_3,
-                context.getString(R.string.keyboard_key_numpad_template, "3"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_NUMPAD_4,
-                context.getString(R.string.keyboard_key_numpad_template, "4"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_NUMPAD_5,
-                context.getString(R.string.keyboard_key_numpad_template, "5"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_NUMPAD_6,
-                context.getString(R.string.keyboard_key_numpad_template, "6"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_NUMPAD_7,
-                context.getString(R.string.keyboard_key_numpad_template, "7"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_NUMPAD_8,
-                context.getString(R.string.keyboard_key_numpad_template, "8"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_NUMPAD_9,
-                context.getString(R.string.keyboard_key_numpad_template, "9"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_NUMPAD_DIVIDE,
-                context.getString(R.string.keyboard_key_numpad_template, "/"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_NUMPAD_MULTIPLY,
-                context.getString(R.string.keyboard_key_numpad_template, "*"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_NUMPAD_SUBTRACT,
-                context.getString(R.string.keyboard_key_numpad_template, "-"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_NUMPAD_ADD,
-                context.getString(R.string.keyboard_key_numpad_template, "+"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_NUMPAD_DOT,
-                context.getString(R.string.keyboard_key_numpad_template, "."));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_NUMPAD_COMMA,
-                context.getString(R.string.keyboard_key_numpad_template, ","));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_NUMPAD_ENTER,
-                context.getString(R.string.keyboard_key_numpad_template,
-                        context.getString(R.string.keyboard_key_enter)));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_NUMPAD_EQUALS,
-                context.getString(R.string.keyboard_key_numpad_template, "="));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_NUMPAD_LEFT_PAREN,
-                context.getString(R.string.keyboard_key_numpad_template, "("));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_NUMPAD_RIGHT_PAREN,
-                context.getString(R.string.keyboard_key_numpad_template, ")"));
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_ZENKAKU_HANKAKU, "半角/全角");
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_EISU, "英数");
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_MUHENKAN, "無変換");
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_HENKAN, "変換");
-        SPECIAL_CHARACTER_NAMES.put(KeyEvent.KEYCODE_KATAKANA_HIRAGANA, "かな");
-
-        MODIFIER_NAMES.put(KeyEvent.META_META_ON, "Meta");
-        MODIFIER_NAMES.put(KeyEvent.META_CTRL_ON, "Ctrl");
-        MODIFIER_NAMES.put(KeyEvent.META_ALT_ON, "Alt");
-        MODIFIER_NAMES.put(KeyEvent.META_SHIFT_ON, "Shift");
-        MODIFIER_NAMES.put(KeyEvent.META_SYM_ON, "Sym");
-        MODIFIER_NAMES.put(KeyEvent.META_FUNCTION_ON, "Fn");
-    }
+    private final SparseArray<String> mSpecialCharacterNames = new SparseArray<>();
+    private final SparseArray<String> mModifierNames = new SparseArray<>();
+    private final SparseArray<Drawable> mSpecialCharacterDrawables = new SparseArray<>();
+    private final SparseArray<Drawable> mModifierDrawables = new SparseArray<>();
 
     private final Handler mHandler = new Handler(Looper.getMainLooper());
     private final Context mContext;
@@ -218,9 +77,170 @@
 
     public KeyboardShortcuts(Context context) {
         this.mContext = new ContextThemeWrapper(context, android.R.style.Theme_Material_Light);
-        if (SPECIAL_CHARACTER_NAMES.size() == 0) {
-            loadSpecialCharacterNames(context);
-        }
+        loadResources(context);
+    }
+
+    private void loadResources(Context context) {
+        mSpecialCharacterNames.put(
+                KeyEvent.KEYCODE_HOME, context.getString(R.string.keyboard_key_home));
+        mSpecialCharacterNames.put(
+                KeyEvent.KEYCODE_BACK, context.getString(R.string.keyboard_key_back));
+        mSpecialCharacterNames.put(
+                KeyEvent.KEYCODE_DPAD_UP, context.getString(R.string.keyboard_key_dpad_up));
+        mSpecialCharacterNames.put(
+                KeyEvent.KEYCODE_DPAD_DOWN, context.getString(R.string.keyboard_key_dpad_down));
+        mSpecialCharacterNames.put(
+                KeyEvent.KEYCODE_DPAD_LEFT, context.getString(R.string.keyboard_key_dpad_left));
+        mSpecialCharacterNames.put(
+                KeyEvent.KEYCODE_DPAD_RIGHT, context.getString(R.string.keyboard_key_dpad_right));
+        mSpecialCharacterNames.put(
+                KeyEvent.KEYCODE_DPAD_CENTER, context.getString(R.string.keyboard_key_dpad_center));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_PERIOD, ".");
+        mSpecialCharacterNames.put(
+                KeyEvent.KEYCODE_TAB, context.getString(R.string.keyboard_key_tab));
+        mSpecialCharacterNames.put(
+                KeyEvent.KEYCODE_SPACE, context.getString(R.string.keyboard_key_space));
+        mSpecialCharacterNames.put(
+                KeyEvent.KEYCODE_ENTER, context.getString(R.string.keyboard_key_enter));
+        mSpecialCharacterNames.put(
+                KeyEvent.KEYCODE_DEL, context.getString(R.string.keyboard_key_backspace));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE,
+                context.getString(R.string.keyboard_key_media_play_pause));
+        mSpecialCharacterNames.put(
+                KeyEvent.KEYCODE_MEDIA_STOP, context.getString(R.string.keyboard_key_media_stop));
+        mSpecialCharacterNames.put(
+                KeyEvent.KEYCODE_MEDIA_NEXT, context.getString(R.string.keyboard_key_media_next));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_MEDIA_PREVIOUS,
+                context.getString(R.string.keyboard_key_media_previous));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_MEDIA_REWIND,
+                context.getString(R.string.keyboard_key_media_rewind));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_MEDIA_FAST_FORWARD,
+                context.getString(R.string.keyboard_key_media_fast_forward));
+        mSpecialCharacterNames.put(
+                KeyEvent.KEYCODE_PAGE_UP, context.getString(R.string.keyboard_key_page_up));
+        mSpecialCharacterNames.put(
+                KeyEvent.KEYCODE_PAGE_DOWN, context.getString(R.string.keyboard_key_page_down));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_A,
+                context.getString(R.string.keyboard_key_button_template, "A"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_B,
+                context.getString(R.string.keyboard_key_button_template, "B"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_C,
+                context.getString(R.string.keyboard_key_button_template, "C"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_X,
+                context.getString(R.string.keyboard_key_button_template, "X"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_Y,
+                context.getString(R.string.keyboard_key_button_template, "Y"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_Z,
+                context.getString(R.string.keyboard_key_button_template, "Z"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_L1,
+                context.getString(R.string.keyboard_key_button_template, "L1"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_R1,
+                context.getString(R.string.keyboard_key_button_template, "R1"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_L2,
+                context.getString(R.string.keyboard_key_button_template, "L2"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_R2,
+                context.getString(R.string.keyboard_key_button_template, "R2"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_START,
+                context.getString(R.string.keyboard_key_button_template, "Start"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_SELECT,
+                context.getString(R.string.keyboard_key_button_template, "Select"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_BUTTON_MODE,
+                context.getString(R.string.keyboard_key_button_template, "Mode"));
+        mSpecialCharacterNames.put(
+                KeyEvent.KEYCODE_FORWARD_DEL, context.getString(R.string.keyboard_key_forward_del));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_ESCAPE, "Esc");
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_SYSRQ, "SysRq");
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_BREAK, "Break");
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_SCROLL_LOCK, "Scroll Lock");
+        mSpecialCharacterNames.put(
+                KeyEvent.KEYCODE_MOVE_HOME, context.getString(R.string.keyboard_key_move_home));
+        mSpecialCharacterNames.put(
+                KeyEvent.KEYCODE_MOVE_END, context.getString(R.string.keyboard_key_move_end));
+        mSpecialCharacterNames.put(
+                KeyEvent.KEYCODE_INSERT, context.getString(R.string.keyboard_key_insert));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_F1, "F1");
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_F2, "F2");
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_F3, "F3");
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_F4, "F4");
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_F5, "F5");
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_F6, "F6");
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_F7, "F7");
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_F8, "F8");
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_F9, "F9");
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_F10, "F10");
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_F11, "F11");
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_F12, "F12");
+        mSpecialCharacterNames.put(
+                KeyEvent.KEYCODE_NUM_LOCK, context.getString(R.string.keyboard_key_num_lock));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_0,
+                context.getString(R.string.keyboard_key_numpad_template, "0"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_1,
+                context.getString(R.string.keyboard_key_numpad_template, "1"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_2,
+                context.getString(R.string.keyboard_key_numpad_template, "2"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_3,
+                context.getString(R.string.keyboard_key_numpad_template, "3"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_4,
+                context.getString(R.string.keyboard_key_numpad_template, "4"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_5,
+                context.getString(R.string.keyboard_key_numpad_template, "5"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_6,
+                context.getString(R.string.keyboard_key_numpad_template, "6"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_7,
+                context.getString(R.string.keyboard_key_numpad_template, "7"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_8,
+                context.getString(R.string.keyboard_key_numpad_template, "8"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_9,
+                context.getString(R.string.keyboard_key_numpad_template, "9"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_DIVIDE,
+                context.getString(R.string.keyboard_key_numpad_template, "/"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_MULTIPLY,
+                context.getString(R.string.keyboard_key_numpad_template, "*"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_SUBTRACT,
+                context.getString(R.string.keyboard_key_numpad_template, "-"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_ADD,
+                context.getString(R.string.keyboard_key_numpad_template, "+"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_DOT,
+                context.getString(R.string.keyboard_key_numpad_template, "."));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_COMMA,
+                context.getString(R.string.keyboard_key_numpad_template, ","));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_ENTER,
+                context.getString(R.string.keyboard_key_numpad_template,
+                        context.getString(R.string.keyboard_key_enter)));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_EQUALS,
+                context.getString(R.string.keyboard_key_numpad_template, "="));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_LEFT_PAREN,
+                context.getString(R.string.keyboard_key_numpad_template, "("));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_NUMPAD_RIGHT_PAREN,
+                context.getString(R.string.keyboard_key_numpad_template, ")"));
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_ZENKAKU_HANKAKU, "半角/全角");
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_EISU, "英数");
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_MUHENKAN, "無変換");
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_HENKAN, "変換");
+        mSpecialCharacterNames.put(KeyEvent.KEYCODE_KATAKANA_HIRAGANA, "かな");
+
+        mModifierNames.put(KeyEvent.META_META_ON, "Meta");
+        mModifierNames.put(KeyEvent.META_CTRL_ON, "Ctrl");
+        mModifierNames.put(KeyEvent.META_ALT_ON, "Alt");
+        mModifierNames.put(KeyEvent.META_SHIFT_ON, "Shift");
+        mModifierNames.put(KeyEvent.META_SYM_ON, "Sym");
+        mModifierNames.put(KeyEvent.META_FUNCTION_ON, "Fn");
+
+        mSpecialCharacterDrawables.put(
+                KeyEvent.KEYCODE_DEL, context.getDrawable(R.drawable.ic_ksh_key_backspace));
+        mSpecialCharacterDrawables.put(
+                KeyEvent.KEYCODE_ENTER, context.getDrawable(R.drawable.ic_ksh_key_enter));
+        mSpecialCharacterDrawables.put(
+                KeyEvent.KEYCODE_DPAD_UP, context.getDrawable(R.drawable.ic_ksh_key_up));
+        mSpecialCharacterDrawables.put(
+                KeyEvent.KEYCODE_DPAD_RIGHT, context.getDrawable(R.drawable.ic_ksh_key_right));
+        mSpecialCharacterDrawables.put(
+                KeyEvent.KEYCODE_DPAD_DOWN, context.getDrawable(R.drawable.ic_ksh_key_down));
+        mSpecialCharacterDrawables.put(
+                KeyEvent.KEYCODE_DPAD_LEFT, context.getDrawable(R.drawable.ic_ksh_key_left));
+
+        mModifierDrawables.put(
+                KeyEvent.META_META_ON, context.getDrawable(R.drawable.ic_ksh_key_meta));
     }
 
     public void toggleKeyboardShortcuts(int deviceId) {
@@ -343,6 +363,8 @@
             List<KeyboardShortcutGroup> keyboardShortcutGroups) {
         LayoutInflater inflater = LayoutInflater.from(mContext);
         final int keyboardShortcutGroupsSize = keyboardShortcutGroups.size();
+        // Needed to be able to scale the image items to the same height as the text items.
+        final int shortcutTextItemHeight = getShortcutTextItemHeight(inflater);
         for (int i = 0; i < keyboardShortcutGroupsSize; i++) {
             KeyboardShortcutGroup group = keyboardShortcutGroups.get(i);
             TextView categoryTitle = (TextView) inflater.inflate(
@@ -364,7 +386,7 @@
                     Log.w(TAG, "Keyboard Shortcut contains key not on device, skipping.");
                     continue;
                 }
-                List<String> shortcutKeys = getHumanReadableShortcutKeys(info);
+                List<StringOrDrawable> shortcutKeys = getHumanReadableShortcutKeys(info);
                 if (shortcutKeys == null) {
                     // Ignore shortcuts we can't display keys for.
                     Log.w(TAG, "Keyboard Shortcut contains unsupported keys, skipping.");
@@ -380,11 +402,26 @@
                         .findViewById(R.id.keyboard_shortcuts_item_container);
                 final int shortcutKeysSize = shortcutKeys.size();
                 for (int k = 0; k < shortcutKeysSize; k++) {
-                    String shortcutKey = shortcutKeys.get(k);
-                    TextView shortcutKeyView = (TextView) inflater.inflate(
-                            R.layout.keyboard_shortcuts_key_view, shortcutItemsContainer, false);
-                    shortcutKeyView.setText(shortcutKey);
-                    shortcutItemsContainer.addView(shortcutKeyView);
+                    StringOrDrawable shortcutRepresentation = shortcutKeys.get(k);
+                    if (shortcutRepresentation.drawable != null) {
+                        ImageView shortcutKeyIconView = (ImageView) inflater.inflate(
+                                R.layout.keyboard_shortcuts_key_icon_view, shortcutItemsContainer,
+                                false);
+                        Bitmap bitmap = Bitmap.createBitmap(shortcutTextItemHeight,
+                                shortcutTextItemHeight, Bitmap.Config.ARGB_8888);
+                        Canvas canvas = new Canvas(bitmap);
+                        shortcutRepresentation.drawable.setBounds(0, 0, canvas.getWidth(),
+                                canvas.getHeight());
+                        shortcutRepresentation.drawable.draw(canvas);
+                        shortcutKeyIconView.setImageBitmap(bitmap);
+                        shortcutItemsContainer.addView(shortcutKeyIconView);
+                    } else if (shortcutRepresentation.string != null) {
+                        TextView shortcutKeyTextView = (TextView) inflater.inflate(
+                                R.layout.keyboard_shortcuts_key_view, shortcutItemsContainer,
+                                false);
+                        shortcutKeyTextView.setText(shortcutRepresentation.string);
+                        shortcutItemsContainer.addView(shortcutKeyTextView);
+                    }
                 }
                 shortcutContainer.addView(shortcutView);
             }
@@ -398,16 +435,29 @@
         }
     }
 
-    private List<String> getHumanReadableShortcutKeys(KeyboardShortcutInfo info) {
-        List<String> shortcutKeys = getHumanReadableModifiers(info);
+    private int getShortcutTextItemHeight(LayoutInflater inflater) {
+        TextView shortcutKeyTextView = (TextView) inflater.inflate(
+                R.layout.keyboard_shortcuts_key_view, null, false);
+        shortcutKeyTextView.measure(
+                View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
+        return shortcutKeyTextView.getMeasuredHeight()
+                - shortcutKeyTextView.getPaddingTop()
+                - shortcutKeyTextView.getPaddingBottom();
+    }
+
+    private List<StringOrDrawable> getHumanReadableShortcutKeys(KeyboardShortcutInfo info) {
+        List<StringOrDrawable> shortcutKeys = getHumanReadableModifiers(info);
         if (shortcutKeys == null) {
             return null;
         }
-        String displayLabelString;
+        String displayLabelString = null;
+        Drawable displayLabelDrawable = null;
         if (info.getBaseCharacter() > Character.MIN_VALUE) {
             displayLabelString = String.valueOf(info.getBaseCharacter());
-        } else if (SPECIAL_CHARACTER_NAMES.get(info.getKeycode()) != null) {
-            displayLabelString = SPECIAL_CHARACTER_NAMES.get(info.getKeycode());
+        } else if (mSpecialCharacterDrawables.get(info.getKeycode()) != null) {
+            displayLabelDrawable = mSpecialCharacterDrawables.get(info.getKeycode());
+        } else if (mSpecialCharacterNames.get(info.getKeycode()) != null) {
+            displayLabelString = mSpecialCharacterNames.get(info.getKeycode());
         } else {
             // Special case for shortcuts with no base key or keycode.
             if (info.getKeycode() == KeyEvent.KEYCODE_UNKNOWN) {
@@ -422,20 +472,31 @@
                 return null;
             }
         }
-        shortcutKeys.add(displayLabelString.toUpperCase());
+
+        if (displayLabelDrawable != null) {
+            shortcutKeys.add(new StringOrDrawable(displayLabelDrawable));
+        } else if (displayLabelString != null) {
+            shortcutKeys.add(new StringOrDrawable(displayLabelString.toUpperCase()));
+        }
         return shortcutKeys;
     }
 
-    private List<String> getHumanReadableModifiers(KeyboardShortcutInfo info) {
-        final List<String> shortcutKeys = new ArrayList<>();
+    private List<StringOrDrawable> getHumanReadableModifiers(KeyboardShortcutInfo info) {
+        final List<StringOrDrawable> shortcutKeys = new ArrayList<>();
         int modifiers = info.getModifiers();
         if (modifiers == 0) {
             return shortcutKeys;
         }
-        for(int i = 0; i < MODIFIER_NAMES.size(); ++i) {
-            final int supportedModifier = MODIFIER_NAMES.keyAt(i);
+        for(int i = 0; i < mModifierNames.size(); ++i) {
+            final int supportedModifier = mModifierNames.keyAt(i);
             if ((modifiers & supportedModifier) != 0) {
-                shortcutKeys.add(MODIFIER_NAMES.get(supportedModifier).toUpperCase());
+                if (mModifierDrawables.get(supportedModifier) != null) {
+                    shortcutKeys.add(new StringOrDrawable(
+                            mModifierDrawables.get(supportedModifier)));
+                } else {
+                    shortcutKeys.add(new StringOrDrawable(
+                            mModifierNames.get(supportedModifier).toUpperCase()));
+                }
                 modifiers &= ~supportedModifier;
             }
         }
@@ -445,4 +506,17 @@
         }
         return shortcutKeys;
     }
+
+    private static final class StringOrDrawable {
+        public String string;
+        public Drawable drawable;
+
+        public StringOrDrawable(String string) {
+            this.string = string;
+        }
+
+        public StringOrDrawable(Drawable drawable) {
+            this.drawable = drawable;
+        }
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationGuts.java b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationGuts.java
index 45a24a0..3c464d5 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationGuts.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationGuts.java
@@ -16,28 +16,35 @@
 
 package com.android.systemui.statusbar;
 
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
 import android.app.INotificationManager;
 import android.content.Context;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.graphics.Canvas;
 import android.graphics.drawable.Drawable;
+import android.os.Handler;
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.service.notification.NotificationListenerService;
 import android.service.notification.StatusBarNotification;
 import android.util.AttributeSet;
 import android.view.View;
+import android.view.ViewAnimationUtils;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.RadioButton;
+import android.widget.RadioGroup;
 import android.widget.SeekBar;
 import android.widget.TextView;
 
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.settingslib.Utils;
+import com.android.systemui.Interpolators;
 import com.android.systemui.R;
+import com.android.systemui.statusbar.stack.StackStateAnimator;
 import com.android.systemui.tuner.TunerService;
 
 /**
@@ -46,6 +53,8 @@
 public class NotificationGuts extends LinearLayout implements TunerService.Tunable {
     public static final String SHOW_SLIDER = "show_importance_slider";
 
+    private static final long CLOSE_GUTS_DELAY = 8000;
+
     private Drawable mBackground;
     private int mClipTopAmount;
     private int mActualHeight;
@@ -59,10 +68,35 @@
     private RadioButton mSilent;
     private RadioButton mReset;
 
+    private Handler mHandler;
+    private Runnable mFalsingCheck;
+    private boolean mNeedsFalsingProtection;
+    private OnGutsClosedListener mListener;
+
+    public interface OnGutsClosedListener {
+        public void onGutsClosed(NotificationGuts guts);
+    }
+
     public NotificationGuts(Context context, AttributeSet attrs) {
         super(context, attrs);
         setWillNotDraw(false);
         TunerService.get(mContext).addTunable(this, SHOW_SLIDER);
+        mHandler = new Handler();
+        mFalsingCheck = new Runnable() {
+            @Override
+            public void run() {
+                if (mNeedsFalsingProtection && mExposed) {
+                    closeControls(-1 /* x */, -1 /* y */, true /* notify */);
+                }
+            }
+        };
+    }
+
+    public void resetFalsingCheck() {
+        mHandler.removeCallbacks(mFalsingCheck);
+        if (mNeedsFalsingProtection && mExposed) {
+            mHandler.postDelayed(mFalsingCheck, CLOSE_GUTS_DELAY);
+        }
     }
 
     @Override
@@ -130,30 +164,23 @@
             importanceSlider.setVisibility(View.VISIBLE);
             importanceButtons.setVisibility(View.GONE);
         } else {
-            int userImportance = NotificationListenerService.Ranking.IMPORTANCE_UNSPECIFIED;
+            mStartingImportance = NotificationListenerService.Ranking.IMPORTANCE_UNSPECIFIED;
             try {
-                userImportance =
+                mStartingImportance =
                         mINotificationManager.getImportance(sbn.getPackageName(), sbn.getUid());
             } catch (RemoteException e) {}
-            bindToggles(importanceButtons, userImportance, systemApp);
+            bindToggles(importanceButtons, mStartingImportance, systemApp);
             importanceButtons.setVisibility(View.VISIBLE);
             importanceSlider.setVisibility(View.GONE);
         }
     }
 
+    public boolean hasImportanceChanged() {
+        return mStartingImportance != getSelectedImportance();
+    }
+
     void saveImportance(final StatusBarNotification sbn) {
-        int progress;
-        if (mSeekBar!= null && mSeekBar.isShown()) {
-            progress = mSeekBar.getProgress();
-        } else {
-            if (mBlock.isChecked()) {
-                progress = NotificationListenerService.Ranking.IMPORTANCE_NONE;
-            } else if (mSilent.isChecked()) {
-                progress = NotificationListenerService.Ranking.IMPORTANCE_LOW;
-            } else {
-                progress = NotificationListenerService.Ranking.IMPORTANCE_UNSPECIFIED;
-            }
-        }
+        int progress = getSelectedImportance();
         MetricsLogger.action(mContext, MetricsEvent.ACTION_SAVE_IMPORTANCE,
                 progress - mStartingImportance);
         try {
@@ -163,8 +190,29 @@
         }
     }
 
+    private int getSelectedImportance() {
+        if (mSeekBar!= null && mSeekBar.isShown()) {
+            return mSeekBar.getProgress();
+        } else {
+            if (mBlock.isChecked()) {
+                return NotificationListenerService.Ranking.IMPORTANCE_NONE;
+            } else if (mSilent.isChecked()) {
+                return NotificationListenerService.Ranking.IMPORTANCE_LOW;
+            } else {
+                return NotificationListenerService.Ranking.IMPORTANCE_UNSPECIFIED;
+            }
+        }
+    }
+
     private void bindToggles(final View importanceButtons, final int importance,
             final boolean systemApp) {
+        ((RadioGroup) importanceButtons).setOnCheckedChangeListener(
+                new RadioGroup.OnCheckedChangeListener() {
+                    @Override
+                    public void onCheckedChanged(RadioGroup group, int checkedId) {
+                        resetFalsingCheck();
+                    }
+                });
         mBlock = (RadioButton) importanceButtons.findViewById(R.id.block_importance);
         mSilent = (RadioButton) importanceButtons.findViewById(R.id.silent_importance);
         mReset = (RadioButton) importanceButtons.findViewById(R.id.reset_importance);
@@ -198,6 +246,7 @@
         mSeekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
             @Override
             public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+                resetFalsingCheck();
                 if (progress < minProgress) {
                     seekBar.setProgress(minProgress);
                     progress = minProgress;
@@ -210,7 +259,7 @@
 
             @Override
             public void onStartTrackingTouch(SeekBar seekBar) {
-                // no-op
+                resetFalsingCheck();
             }
 
             @Override
@@ -256,6 +305,38 @@
         mSeekBar.setProgress(mStartingImportance);
     }
 
+    public void closeControls(int x, int y, boolean notify) {
+        if (getWindowToken() == null) {
+            if (notify && mListener != null) {
+                mListener.onGutsClosed(this);
+            }
+            return;
+        }
+        if (x == -1 || y == -1) {
+            x = (getLeft() + getRight()) / 2;
+            y = (getTop() + getHeight() / 2);
+        }
+        final double horz = Math.max(getWidth() - x, x);
+        final double vert = Math.max(getHeight() - y, y);
+        final float r = (float) Math.hypot(horz, vert);
+        final Animator a = ViewAnimationUtils.createCircularReveal(this,
+                x, y, r, 0);
+        a.setDuration(StackStateAnimator.ANIMATION_DURATION_STANDARD);
+        a.setInterpolator(Interpolators.FAST_OUT_LINEAR_IN);
+        a.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                super.onAnimationEnd(animation);
+                setVisibility(View.GONE);
+            }
+        });
+        a.start();
+        setExposed(false, mNeedsFalsingProtection);
+        if (notify && mListener != null) {
+            mListener.onGutsClosed(this);
+        }
+    }
+
     public void setActualHeight(int actualHeight) {
         mActualHeight = actualHeight;
         invalidate();
@@ -277,8 +358,18 @@
         return false;
     }
 
-    public void setExposed(boolean exposed) {
+    public void setClosedListener(OnGutsClosedListener listener) {
+        mListener = listener;
+    }
+
+    public void setExposed(boolean exposed, boolean needsFalsingProtection) {
         mExposed = exposed;
+        mNeedsFalsingProtection = needsFalsingProtection;
+        if (mExposed && mNeedsFalsingProtection) {
+            resetFalsingCheck();
+        } else {
+            mHandler.removeCallbacks(mFalsingCheck);
+        }
     }
 
     public boolean areGutsExposed() {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationHeaderUtil.java b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationHeaderUtil.java
index c70aad2..06d79a7 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationHeaderUtil.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationHeaderUtil.java
@@ -131,11 +131,8 @@
         mComparators.add(HeaderProcessor.forTextView(mRow,
                 com.android.internal.R.id.app_name_text));
         mComparators.add(HeaderProcessor.forTextView(mRow,
-                com.android.internal.R.id.header_sub_text));
-        mComparators.add(HeaderProcessor.forTextView(mRow,
-                com.android.internal.R.id.header_content_info));
-        mDividers.add(com.android.internal.R.id.sub_text_divider);
-        mDividers.add(com.android.internal.R.id.content_info_divider);
+                com.android.internal.R.id.header_text));
+        mDividers.add(com.android.internal.R.id.header_text_divider);
         mDividers.add(com.android.internal.R.id.time_divider);
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarInflaterView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarInflaterView.java
index 260c969..ec45d60 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarInflaterView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarInflaterView.java
@@ -182,7 +182,7 @@
 
     private void inflateButtons(String[] buttons, ViewGroup parent, boolean landscape) {
         for (int i = 0; i < buttons.length; i++) {
-            inflateButton(buttons[i], parent, landscape);
+            inflateButton(buttons[i], parent, landscape, i);
         }
     }
 
@@ -195,7 +195,8 @@
     }
 
     @Nullable
-    protected View inflateButton(String buttonSpec, ViewGroup parent, boolean landscape) {
+    protected View inflateButton(String buttonSpec, ViewGroup parent, boolean landscape,
+            int indexInParent) {
         LayoutInflater inflater = landscape ? mLandscapeInflater : mLayoutInflater;
         float size = extractSize(buttonSpec);
         String button = extractButton(buttonSpec);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
index 56a7dbe..6859348 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
@@ -76,6 +76,8 @@
     private Drawable mHomeDefaultIcon, mHomeCarModeIcon;
     private Drawable mRecentIcon;
     private Drawable mDockedIcon;
+    private Drawable mImeIcon;
+    private Drawable mMenuIcon;
 
     private NavigationBarGestureHelper mGestureHelper;
     private DeadZone mDeadZone;
@@ -270,7 +272,8 @@
     }
 
     private void updateIcons(Context ctx, Configuration oldConfig, Configuration newConfig) {
-        if (oldConfig.orientation != newConfig.orientation) {
+        if (oldConfig.orientation != newConfig.orientation
+                || oldConfig.densityDpi != newConfig.densityDpi) {
             mDockedIcon = ctx.getDrawable(R.drawable.ic_sysbar_docked);
         }
         if (oldConfig.densityDpi != newConfig.densityDpi) {
@@ -280,8 +283,10 @@
             mBackAltLandIcon = mBackAltIcon;
 
             mHomeDefaultIcon = ctx.getDrawable(R.drawable.ic_sysbar_home);
-
             mRecentIcon = ctx.getDrawable(R.drawable.ic_sysbar_recent);
+            mMenuIcon = ctx.getDrawable(R.drawable.ic_sysbar_menu);
+            mImeIcon = ctx.getDrawable(R.drawable.ic_ime_switcher_default);
+
             updateCarModeIcons(ctx);
         }
     }
@@ -348,9 +353,11 @@
 
         final boolean showImeButton = ((hints & StatusBarManager.NAVIGATION_HINT_IME_SHOWN) != 0);
         getImeSwitchButton().setVisibility(showImeButton ? View.VISIBLE : View.INVISIBLE);
+        getImeSwitchButton().setImageDrawable(mImeIcon);
 
         // Update menu button in case the IME state has changed.
         setMenuVisibility(mShowMenu, true);
+        getMenuButton().setImageDrawable(mMenuIcon);
 
         setDisabledFlags(mDisabledFlags, true);
     }
@@ -595,14 +602,12 @@
         super.onConfigurationChanged(newConfig);
         boolean uiCarModeChanged = updateCarMode(newConfig);
         updateTaskSwitchHelper();
-        if (uiCarModeChanged) {
-            // uiMode changed either from carmode or to carmode.
-            // replace the nav bar button icons based on which mode
-            // we are switching to.
-            setNavigationIconHints(mNavigationIconHints, true);
-        }
         updateIcons(getContext(), mConfiguration, newConfig);
         updateRecentsIcon();
+        if (uiCarModeChanged || mConfiguration.densityDpi != newConfig.densityDpi) {
+            // If car mode or density changes, we need to reset the icons.
+            setNavigationIconHints(mNavigationIconHints, true);
+        }
         mConfiguration.updateFrom(newConfig);
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
index 45e94f7..62c0fa9 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
@@ -306,7 +306,7 @@
 
         // Calculate quick setting heights.
         int oldMaxHeight = mQsMaxExpansionHeight;
-        mQsMinExpansionHeight = mKeyguardShowing ? 0 : mQsContainer.getHeader().getHeight();
+        mQsMinExpansionHeight = mKeyguardShowing ? 0 : mQsContainer.getQsMinExpansionHeight();
         mQsMaxExpansionHeight = mQsContainer.getDesiredHeight();
         positionClockAndNotifications();
         if (mQsExpanded && mQsFullyExpanded) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelView.java
index c9bb15d..c4b7932 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelView.java
@@ -845,15 +845,19 @@
     };
 
     public void cancelPeek() {
+        boolean cancelled = mPeekPending;
         if (mPeekAnimator != null) {
+            cancelled = true;
             mPeekAnimator.cancel();
         }
         removeCallbacks(mPeekRunnable);
         mPeekPending = false;
 
-        // When peeking, we already tell mBar that we expanded ourselves. Make sure that we also
-        // notify mBar that we might have closed ourselves.
-        notifyBarPanelExpansionChanged();
+        if (cancelled) {
+            // When peeking, we already tell mBar that we expanded ourselves. Make sure that we also
+            // notify mBar that we might have closed ourselves.
+            notifyBarPanelExpansionChanged();
+        }
     }
 
     public void expand(final boolean animate) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
index fce893e..bf58592 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -3303,10 +3303,14 @@
     protected void loadDimens() {
         final Resources res = mContext.getResources();
 
+        int oldBarHeight = mNaturalBarHeight;
         mNaturalBarHeight = res.getDimensionPixelSize(
                 com.android.internal.R.dimen.status_bar_height);
-
-        mMaxAllowedKeyguardNotifications = res.getInteger(R.integer.keyguard_max_notification_count);
+        if (mStatusBarWindowManager != null && mNaturalBarHeight != oldBarHeight) {
+            mStatusBarWindowManager.setBarHeight(mNaturalBarHeight);
+        }
+        mMaxAllowedKeyguardNotifications = res.getInteger(
+                R.integer.keyguard_max_notification_count);
 
         if (DEBUG) Log.v(TAG, "updateResources");
     }
@@ -4193,6 +4197,12 @@
     }
 
     @Override
+    public void onLockedNotificationImportanceChange(OnDismissAction dismissAction) {
+        mLeaveOpenOnKeyguardHide = true;
+        dismissKeyguardThenExecute(dismissAction, true /* afterKeyguardGone */);
+    }
+
+    @Override
     protected void onLockedRemoteInput(ExpandableNotificationRow row, View clicked) {
         mLeaveOpenOnKeyguardHide = true;
         showBouncer();
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarView.java
index 902fd3d..cc3b4bd 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarView.java
@@ -41,7 +41,9 @@
     private Runnable mHideExpandedRunnable = new Runnable() {
         @Override
         public void run() {
-            mBar.makeExpandedInvisible();
+            if (mPanelFraction == 0.0f) {
+                mBar.makeExpandedInvisible();
+            }
         }
     };
 
@@ -135,6 +137,7 @@
         super.onTrackingStarted();
         mBar.onTrackingStarted();
         mScrimController.onTrackingStarted();
+        removePendingHideExpandedRunnables();
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickStatusBarHeader.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickStatusBarHeader.java
index f3aba4f..ea9a5a5 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickStatusBarHeader.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickStatusBarHeader.java
@@ -45,7 +45,7 @@
 import com.android.systemui.tuner.TunerService;
 
 public class QuickStatusBarHeader extends BaseStatusBarHeader implements
-        NextAlarmChangeCallback, OnClickListener {
+        NextAlarmChangeCallback, OnClickListener, OnUserInfoChangedListener {
 
     private static final String TAG = "QuickStatusBarHeader";
 
@@ -54,7 +54,7 @@
     private ActivityStarter mActivityStarter;
     private NextAlarmController mNextAlarmController;
     private SettingsButton mSettingsButton;
-    private View mSettingsContainer;
+    protected View mSettingsContainer;
 
     private TextView mAlarmStatus;
     private TextView mAlarmStatusCollapsed;
@@ -75,19 +75,19 @@
 
     private QuickQSPanel mHeaderQsPanel;
     private boolean mShowEmergencyCallsOnly;
-    private MultiUserSwitch mMultiUserSwitch;
+    protected MultiUserSwitch mMultiUserSwitch;
     private ImageView mMultiUserAvatar;
 
     private float mDateTimeTranslation;
     private float mDateTimeAlarmTranslation;
     private float mDateScaleFactor;
-    private float mGearTranslation;
+    protected float mGearTranslation;
 
     private TouchAnimator mSecondHalfAnimator;
     private TouchAnimator mFirstHalfAnimator;
     private TouchAnimator mDateSizeAnimator;
     private TouchAnimator mAlarmTranslation;
-    private TouchAnimator mSettingsAlpha;
+    protected TouchAnimator mSettingsAlpha;
     private float mExpansionAmount;
     private QSTileHost mHost;
 
@@ -172,6 +172,11 @@
                 .addFloat(mDateTimeGroup, "scaleY", 1, mDateScaleFactor)
                 .setStartDelay(.36f)
                 .build();
+
+        updateSettingsAnimator();
+    }
+
+    protected void updateSettingsAnimator() {
         mSettingsAlpha = new TouchAnimator.Builder()
                 .addFloat(mSettingsContainer, "translationY", -mGearTranslation, 0)
                 .addFloat(mMultiUserSwitch, "translationY", -mGearTranslation, 0)
@@ -241,7 +246,7 @@
     @Override
     protected void onDetachedFromWindow() {
         setListening(false);
-        mHost.getUserInfoController().remListener(mUserListener);
+        mHost.getUserInfoController().remListener(this);
         mHost.getNetworkController().removeEmergencyListener(this);
         super.onDetachedFromWindow();
     }
@@ -275,7 +280,7 @@
         updateVisibilities();
     }
 
-    private void updateVisibilities() {
+    protected void updateVisibilities() {
         updateAlarmVisibilities();
         mEmergencyOnly.setVisibility(mExpanded && mShowEmergencyCallsOnly
                 ? View.VISIBLE : View.INVISIBLE);
@@ -309,7 +314,7 @@
 
     public void setupHost(final QSTileHost host) {
         mHost = host;
-        host.setHeaderView(this);
+        host.setHeaderView(mExpandIndicator);
         mHeaderQsPanel.setQSPanelAndHeader(mQsPanel, this);
         mHeaderQsPanel.setHost(host, null /* No customization in header */);
         setUserInfoController(host.getUserInfoController());
@@ -365,7 +370,7 @@
 
     @Override
     public void setUserInfoController(UserInfoController userInfoController) {
-        userInfoController.addListener(mUserListener);
+        userInfoController.addListener(this);
     }
 
     @Override
@@ -379,10 +384,8 @@
         }
     }
 
-    private final OnUserInfoChangedListener mUserListener = new OnUserInfoChangedListener() {
-        @Override
-        public void onUserInfoChanged(String name, Drawable picture) {
-            mMultiUserAvatar.setImageDrawable(picture);
-        }
-    };
+    @Override
+    public void onUserInfoChanged(String name, Drawable picture) {
+        mMultiUserAvatar.setImageDrawable(picture);
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarWindowManager.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarWindowManager.java
index b271380..888e19c 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarWindowManager.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarWindowManager.java
@@ -323,6 +323,11 @@
         apply(mCurrentState);
     }
 
+    public void setBarHeight(int barHeight) {
+        mBarHeight = barHeight;
+        apply(mCurrentState);
+    }
+
     public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
         pw.println("StatusBarWindowManager state:");
         pw.println(mCurrentState);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java b/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java
index 46a49ee..7c5cdfb 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java
@@ -299,7 +299,7 @@
             setDimAmount((Float) animation.getAnimatedValue());
         }
     };
-    private ViewGroup mQsContainer;
+    protected ViewGroup mQsContainer;
     private boolean mContinuousShadowUpdate;
     private ViewTreeObserver.OnPreDrawListener mShadowUpdater
             = new ViewTreeObserver.OnPreDrawListener() {
@@ -918,7 +918,7 @@
         int positionInLinearLayout = getPositionInLinearLayout(v);
 
         int targetScroll = positionInLinearLayout + expandableView.getActualHeight() +
-                mBottomInset - getHeight() + getTopPadding();
+                getImeInset() - getHeight() + getTopPadding();
         if (mOwnScrollY < targetScroll) {
             mScroller.startScroll(mScrollX, mOwnScrollY, 0, targetScroll - mOwnScrollY);
             mDontReportNextOverScroll = true;
@@ -928,8 +928,7 @@
 
     @Override
     public WindowInsets onApplyWindowInsets(WindowInsets insets) {
-        mBottomInset = Math.max(0, insets.getSystemWindowInsetBottom()
-                - (getRootView().getHeight() - getHeight()));
+        mBottomInset = insets.getSystemWindowInsetBottom();
 
         int range = getScrollRange();
         if (mOwnScrollY > range) {
@@ -987,7 +986,8 @@
     }
 
     public void dismissViewAnimated(View child, Runnable endRunnable, int delay, long duration) {
-        mSwipeHelper.dismissChild(child, 0, endRunnable, delay, true, duration);
+        mSwipeHelper.dismissChild(child, 0, endRunnable, delay, true, duration,
+                true /* isDismissAll */);
     }
 
     public void snapViewIfNeeded(View child) {
@@ -1498,23 +1498,17 @@
     }
 
     private int getScrollRange() {
-        int scrollRange = 0;
-        ExpandableView firstChild = (ExpandableView) getFirstChildNotGone();
-        if (firstChild != null) {
-            int contentHeight = getContentHeight();
-            scrollRange = Math.max(0, contentHeight - mMaxLayoutHeight + mBottomStackPeekSize
-                    + mBottomStackSlowDownHeight);
-            if (scrollRange > 0) {
-                int firstChildMaxExpandHeight = getMaxExpandHeight(firstChild);
-                // We want to at least be able collapse the first item and not ending in a weird
-                // end state.
-                scrollRange = Math.max(scrollRange, firstChildMaxExpandHeight
-                        - firstChild.getMinHeight());
-            }
-        }
-        int imeOverlap = Math.max(0,
-                getContentHeight() - (getHeight() - mBottomInset));
-        return scrollRange + imeOverlap;
+        int contentHeight = getContentHeight();
+        int scrollRange = Math.max(0, contentHeight - mMaxLayoutHeight + mBottomStackPeekSize
+                + mBottomStackSlowDownHeight);
+        int imeInset = getImeInset();
+        scrollRange += Math.min(imeInset, Math.max(0,
+                getContentHeight() - (getHeight() - imeInset)));
+        return scrollRange;
+    }
+
+    private int getImeInset() {
+        return Math.max(0, mBottomInset - (getRootView().getHeight() - getHeight()));
     }
 
     /**
@@ -3201,9 +3195,6 @@
             disableClipOptimization();
         }
         handleDismissAllClipping();
-        if (mCurrIconRow != null && mCurrIconRow.isVisible()) {
-            mCurrIconRow.getNotificationParent().animateTranslateNotification(0 /* left target */);
-        }
     }
 
     private void handleDismissAllClipping() {
@@ -3463,8 +3454,10 @@
     }
 
     private class NotificationSwipeHelper extends SwipeHelper {
-        private static final long GEAR_SHOW_DELAY = 60;
+        private static final long SHOW_GEAR_DELAY = 60;
+        private static final long COVER_GEAR_DELAY = 4000;
         private CheckForDrag mCheckForDrag;
+        private Runnable mFalsingCheck;
         private Handler mHandler;
         private boolean mGearSnappedTo;
         private boolean mGearSnappedOnLeft;
@@ -3472,6 +3465,12 @@
         public NotificationSwipeHelper(int swipeDirection, Callback callback, Context context) {
             super(swipeDirection, callback, context);
             mHandler = new Handler();
+            mFalsingCheck = new Runnable() {
+                @Override
+                public void run() {
+                    resetExposedGearView(true /* animate */, true /* force */);
+                }
+            };
         }
 
         @Override
@@ -3486,6 +3485,7 @@
             }
             mCheckForDrag = null;
             mCurrIconRow = null;
+            mHandler.removeCallbacks(mFalsingCheck);
 
             // Slide back any notifications that might be showing a gear
             resetExposedGearView(true /* animate */, false /* force */);
@@ -3499,6 +3499,8 @@
 
         @Override
         public void onMoveUpdate(View view, float translation, float delta) {
+            mHandler.removeCallbacks(mFalsingCheck);
+
             if (mCurrIconRow != null) {
                 mCurrIconRow.setSnapping(false); // If we're moving, we're not snapping.
 
@@ -3624,6 +3626,12 @@
                 setSnappedToGear(true);
             }
             onDragCancelled(animView);
+
+            // If we're on the lockscreen we want to false this.
+            if (mPhoneStatusBar.getBarState() == StatusBarState.KEYGUARD) {
+                mHandler.removeCallbacks(mFalsingCheck);
+                mHandler.postDelayed(mFalsingCheck, COVER_GEAR_DELAY);
+            }
             super.snapChild(animView, target, velocity);
         }
 
@@ -3631,25 +3639,24 @@
             if (mTranslatingParentView == null) {
                 return false;
             }
-            final float snapBackThreshold = getSpaceForGear(animView);
+            // If the notification can't be dismissed then how far it can move is
+            // restricted -- reduce the distance it needs to move in this case.
+            final float multiplier = canChildBeDismissed(animView) ? 0.4f : 0.2f;
+            final float snapBackThreshold = getSpaceForGear(animView) * multiplier;
             final float translation = getTranslation(animView);
             final boolean fromLeft = translation > 0;
             final float absTrans = Math.abs(translation);
             final float notiThreshold = getSize(mTranslatingParentView) * 0.4f;
 
-            // If the notification can't be dismissed then how far it can move is
-            // restricted -- reduce the distance it needs to move in this case.
-            final float multiplier = canChildBeDismissed(animView) ? 0.4f : 0.2f;
-            return absTrans >= snapBackThreshold * 0.4f && absTrans <= notiThreshold;
+            return mCurrIconRow.isVisible() && (mCurrIconRow.isIconOnLeft()
+                    ? (translation > snapBackThreshold && translation <= notiThreshold)
+                    : (translation < -snapBackThreshold && translation >= -notiThreshold));
         }
 
         @Override
         public Animator getViewTranslationAnimator(View v, float target,
                 AnimatorUpdateListener listener) {
-            if (mDismissAllInProgress) {
-                // When dismissing all, we translate the entire view instead.
-                return super.getViewTranslationAnimator(v, target, listener);
-            } else if (v instanceof ExpandableNotificationRow) {
+            if (v instanceof ExpandableNotificationRow) {
                 return ((ExpandableNotificationRow) v).getTranslateViewAnimator(target, listener);
             } else {
                 return super.getViewTranslationAnimator(v, target, listener);
@@ -3658,22 +3665,12 @@
 
         @Override
         public void setTranslation(View v, float translate) {
-            if (mDismissAllInProgress) {
-                // When dismissing all, we translate the entire view instead.
-                super.setTranslation(v, translate);
-            } else {
-                ((ExpandableView) v).setTranslation(translate);
-            }
+            ((ExpandableView) v).setTranslation(translate);
         }
 
         @Override
         public float getTranslation(View v) {
-            if (mDismissAllInProgress) {
-                // When dismissing all, we translate the entire view instead.
-                return super.getTranslation(v);
-            } else {
-                return ((ExpandableView) v).getTranslation();
-            }
+            return ((ExpandableView) v).getTranslation();
         }
 
         public void closeControlsIfOutsideTouch(MotionEvent ev) {
@@ -3740,7 +3737,7 @@
         private void checkForDrag() {
             if (mCheckForDrag == null || !mHandler.hasCallbacks(mCheckForDrag)) {
                 mCheckForDrag = new CheckForDrag();
-                mHandler.postDelayed(mCheckForDrag, GEAR_SHOW_DELAY);
+                mHandler.postDelayed(mCheckForDrag, SHOW_GEAR_DELAY);
             }
         }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/tv/TvStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/tv/TvStatusBar.java
index f9bb5e3..450001f 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/tv/TvStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/tv/TvStatusBar.java
@@ -19,6 +19,7 @@
 import android.content.ComponentName;
 import android.graphics.Rect;
 import android.os.IBinder;
+import android.os.RemoteException;
 import android.service.notification.NotificationListenerService.RankingMap;
 import android.service.notification.StatusBarNotification;
 import android.view.View;
@@ -29,12 +30,22 @@
 import com.android.systemui.statusbar.NotificationData;
 import com.android.systemui.tv.pip.PipManager;
 
-/*
+/**
  * Status bar implementation for "large screen" products that mostly present no on-screen nav
  */
 
 public class TvStatusBar extends BaseStatusBar {
 
+    /**
+     * Tracking calls to View.setSystemUiVisibility().
+     */
+    int mSystemUiVisibility = View.SYSTEM_UI_FLAG_VISIBLE;
+
+    /**
+     * Last value sent to window manager.
+     */
+    private int mLastDispatchedSystemUiVisibility = ~View.SYSTEM_UI_FLAG_VISIBLE;
+
     @Override
     public void setIcon(String slot, StatusBarIcon icon) {
     }
@@ -207,4 +218,30 @@
     @Override
     public void clickTile(ComponentName tile) {
     }
+
+    @Override
+    public void start() {
+        super.start();
+        putComponent(TvStatusBar.class, this);
+    }
+
+    public void updateRecentsVisibility(boolean visible) {
+        // Update the recents visibility flag
+        if (visible) {
+            mSystemUiVisibility |= View.RECENT_APPS_VISIBLE;
+        } else {
+            mSystemUiVisibility &= ~View.RECENT_APPS_VISIBLE;
+        }
+        notifyUiVisibilityChanged(mSystemUiVisibility);
+    }
+
+    private void notifyUiVisibilityChanged(int vis) {
+        try {
+            if (mLastDispatchedSystemUiVisibility != vis) {
+                mWindowManagerService.statusBarVisibilityChanged(vis);
+                mLastDispatchedSystemUiVisibility = vis;
+            }
+        } catch (RemoteException ex) {
+        }
+    }
 }
diff --git a/services/core/java/com/android/server/AnyMotionDetector.java b/services/core/java/com/android/server/AnyMotionDetector.java
index a0b5c15..e98b4aa 100644
--- a/services/core/java/com/android/server/AnyMotionDetector.java
+++ b/services/core/java/com/android/server/AnyMotionDetector.java
@@ -108,63 +108,71 @@
     public AnyMotionDetector(PowerManager pm, Handler handler, SensorManager sm,
             DeviceIdleCallback callback, float thresholdAngle) {
         if (DEBUG) Slog.d(TAG, "AnyMotionDetector instantiated.");
-        mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG);
-        mWakeLock.setReferenceCounted(false);
-        mHandler = handler;
-        mSensorManager = sm;
-        mAccelSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
-        mMeasurementInProgress = false;
-        mState = STATE_INACTIVE;
-        mCallback = callback;
-        mThresholdAngle = thresholdAngle;
-        mRunningStats = new RunningSignalStats();
-        mNumSufficientSamples = (int) Math.ceil(
-                ((double)ORIENTATION_MEASUREMENT_DURATION_MILLIS / SAMPLING_INTERVAL_MILLIS));
-        if (DEBUG) Slog.d(TAG, "mNumSufficientSamples = " + mNumSufficientSamples);
+        synchronized (mLock) {
+            mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG);
+            mWakeLock.setReferenceCounted(false);
+            mHandler = handler;
+            mSensorManager = sm;
+            mAccelSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
+            mMeasurementInProgress = false;
+            mState = STATE_INACTIVE;
+            mCallback = callback;
+            mThresholdAngle = thresholdAngle;
+            mRunningStats = new RunningSignalStats();
+            mNumSufficientSamples = (int) Math.ceil(
+                    ((double)ORIENTATION_MEASUREMENT_DURATION_MILLIS / SAMPLING_INTERVAL_MILLIS));
+            if (DEBUG) Slog.d(TAG, "mNumSufficientSamples = " + mNumSufficientSamples);
+        }
     }
 
     /*
      * Acquire accel data until we determine AnyMotion status.
      */
     public void checkForAnyMotion() {
-      if (DEBUG) Slog.d(TAG, "checkForAnyMotion(). mState = " + mState);
+        if (DEBUG) {
+            Slog.d(TAG, "checkForAnyMotion(). mState = " + mState);
+        }
         if (mState != STATE_ACTIVE) {
-            mState = STATE_ACTIVE;
-            if (DEBUG) Slog.d(TAG, "Moved from STATE_INACTIVE to STATE_ACTIVE.");
-            mCurrentGravityVector = null;
-            mPreviousGravityVector = null;
-            startOrientationMeasurement();
+            synchronized (mLock) {
+                mState = STATE_ACTIVE;
+                if (DEBUG) {
+                    Slog.d(TAG, "Moved from STATE_INACTIVE to STATE_ACTIVE.");
+                }
+                mCurrentGravityVector = null;
+                mPreviousGravityVector = null;
+                mWakeLock.acquire();
+                startOrientationMeasurementLocked();
+            }
         }
     }
 
     public void stop() {
         if (mState == STATE_ACTIVE) {
-            mState = STATE_INACTIVE;
-            if (DEBUG) Slog.d(TAG, "Moved from STATE_ACTIVE to STATE_INACTIVE.");
-            if (mMeasurementInProgress) {
-                mMeasurementInProgress = false;
-                mSensorManager.unregisterListener(mListener);
+            synchronized (mLock) {
+                mState = STATE_INACTIVE;
+                if (DEBUG) Slog.d(TAG, "Moved from STATE_ACTIVE to STATE_INACTIVE.");
+                if (mMeasurementInProgress) {
+                    mMeasurementInProgress = false;
+                    mSensorManager.unregisterListener(mListener);
+                }
+                mHandler.removeCallbacks(mMeasurementTimeout);
+                mHandler.removeCallbacks(mSensorRestart);
+                mCurrentGravityVector = null;
+                mPreviousGravityVector = null;
+                mWakeLock.release();
             }
-            mHandler.removeCallbacks(mMeasurementTimeout);
-            mHandler.removeCallbacks(mSensorRestart);
-            mWakeLock.release();
-            mCurrentGravityVector = null;
-            mPreviousGravityVector = null;
         }
     }
 
-    private void startOrientationMeasurement() {
-        if (DEBUG) Slog.d(TAG, "startOrientationMeasurement: mMeasurementInProgress=" +
+    private void startOrientationMeasurementLocked() {
+        if (DEBUG) Slog.d(TAG, "startOrientationMeasurementLocked: mMeasurementInProgress=" +
             mMeasurementInProgress + ", (mAccelSensor != null)=" + (mAccelSensor != null));
-
         if (!mMeasurementInProgress && mAccelSensor != null) {
             if (mSensorManager.registerListener(mListener, mAccelSensor,
                     SAMPLING_INTERVAL_MILLIS * 1000)) {
-                mWakeLock.acquire();
                 mMeasurementInProgress = true;
                 mRunningStats.reset();
             }
-
             Message msg = Message.obtain(mHandler, mMeasurementTimeout);
             msg.setAsynchronous(true);
             mHandler.sendMessageDelayed(msg, ACCELEROMETER_DATA_TIMEOUT_MILLIS);
@@ -178,7 +186,6 @@
         if (mMeasurementInProgress) {
             mSensorManager.unregisterListener(mListener);
             mHandler.removeCallbacks(mMeasurementTimeout);
-            mWakeLock.release();
             long detectionEndTime = SystemClock.elapsedRealtime();
             mMeasurementInProgress = false;
             mPreviousGravityVector = mCurrentGravityVector;
@@ -196,8 +203,10 @@
             status = getStationaryStatus();
             if (DEBUG) Slog.d(TAG, "getStationaryStatus() returned " + status);
             if (status != RESULT_UNKNOWN) {
-                if (DEBUG) Slog.d(TAG, "Moved from STATE_ACTIVE to STATE_INACTIVE. status = " +
-                        status);
+                mWakeLock.release();
+                if (DEBUG) {
+                    Slog.d(TAG, "Moved from STATE_ACTIVE to STATE_INACTIVE. status = " + status);
+                }
                 mState = STATE_INACTIVE;
             } else {
                 /*
@@ -275,7 +284,7 @@
         @Override
         public void run() {
             synchronized (mLock) {
-                startOrientationMeasurement();
+                startOrientationMeasurementLocked();
             }
         }
     };
@@ -442,4 +451,4 @@
             return msg;
         }
     }
-}
\ No newline at end of file
+}
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 82a36b4..966deb6 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -991,7 +991,16 @@
     @Override
     public Network getActiveNetwork() {
         enforceAccessPermission();
-        final int uid = Binder.getCallingUid();
+        return getActiveNetworkForUidInternal(Binder.getCallingUid());
+    }
+
+    @Override
+    public Network getActiveNetworkForUid(int uid) {
+        enforceConnectivityInternalPermission();
+        return getActiveNetworkForUidInternal(uid);
+    }
+
+    private Network getActiveNetworkForUidInternal(final int uid) {
         final int user = UserHandle.getUserId(uid);
         int vpnNetId = NETID_UNSET;
         synchronized (mVpns) {
diff --git a/services/core/java/com/android/server/DeviceIdleController.java b/services/core/java/com/android/server/DeviceIdleController.java
index 423f945..ccb4647 100644
--- a/services/core/java/com/android/server/DeviceIdleController.java
+++ b/services/core/java/com/android/server/DeviceIdleController.java
@@ -198,6 +198,7 @@
     private long mNextIdleDelay;
     private long mNextLightIdleDelay;
     private long mNextLightAlarmTime;
+    private long mNextSensingTimeoutAlarmTime;
     private long mCurIdleBudget;
     private long mMaintenanceStartTime;
 
@@ -339,6 +340,18 @@
         }
     };
 
+    private final AlarmManager.OnAlarmListener mSensingTimeoutAlarmListener
+            = new AlarmManager.OnAlarmListener() {
+        @Override
+        public void onAlarm() {
+            if (mState == STATE_SENSING) {
+                synchronized (DeviceIdleController.this) {
+                    becomeInactiveIfAppropriateLocked();
+                }
+            }
+        }
+    };
+
     private final AlarmManager.OnAlarmListener mDeepAlarmListener
             = new AlarmManager.OnAlarmListener() {
         @Override
@@ -924,6 +937,11 @@
     @Override
     public void onAnyMotionResult(int result) {
         if (DEBUG) Slog.d(TAG, "onAnyMotionResult(" + result + ")");
+        if (result != AnyMotionDetector.RESULT_UNKNOWN) {
+            synchronized (this) {
+                cancelSensingTimeoutAlarmLocked();
+            }
+        }
         if (result == AnyMotionDetector.RESULT_MOVED) {
             if (DEBUG) Slog.d(TAG, "RESULT_MOVED received.");
             synchronized (this) {
@@ -1746,6 +1764,7 @@
         mNextIdleDelay = 0;
         mNextLightIdleDelay = 0;
         cancelAlarmLocked();
+        cancelSensingTimeoutAlarmLocked();
         cancelLocatingLocked();
         stopMonitoringMotionLocked();
         mAnyMotionDetector.stop();
@@ -1866,15 +1885,16 @@
                 mState = STATE_SENSING;
                 if (DEBUG) Slog.d(TAG, "Moved from STATE_IDLE_PENDING to STATE_SENSING.");
                 EventLogTags.writeDeviceIdle(mState, reason);
-                scheduleAlarmLocked(mConstants.SENSING_TIMEOUT, false);
+                scheduleSensingTimeoutAlarmLocked(mConstants.SENSING_TIMEOUT);
                 cancelLocatingLocked();
-                mAnyMotionDetector.checkForAnyMotion();
                 mNotMoving = false;
                 mLocated = false;
                 mLastGenericLocation = null;
                 mLastGpsLocation = null;
+                mAnyMotionDetector.checkForAnyMotion();
                 break;
             case STATE_SENSING:
+                cancelSensingTimeoutAlarmLocked();
                 mState = STATE_LOCATING;
                 if (DEBUG) Slog.d(TAG, "Moved from STATE_SENSING to STATE_LOCATING.");
                 EventLogTags.writeDeviceIdle(mState, reason);
@@ -2161,6 +2181,13 @@
         }
     }
 
+    void cancelSensingTimeoutAlarmLocked() {
+        if (mNextSensingTimeoutAlarmTime != 0) {
+            mNextSensingTimeoutAlarmTime = 0;
+            mAlarmManager.cancel(mSensingTimeoutAlarmListener);
+        }
+    }
+
     void scheduleAlarmLocked(long delay, boolean idleUntil) {
         if (DEBUG) Slog.d(TAG, "scheduleAlarmLocked(" + delay + ", " + idleUntil + ")");
         if (mMotionSensor == null) {
@@ -2194,6 +2221,13 @@
                 mNextLightAlarmTime, "DeviceIdleController.light", mLightAlarmListener, mHandler);
     }
 
+    void scheduleSensingTimeoutAlarmLocked(long delay) {
+        if (DEBUG) Slog.d(TAG, "scheduleSensingAlarmLocked(" + delay + ")");
+        mNextSensingTimeoutAlarmTime = SystemClock.elapsedRealtime() + delay;
+        mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, mNextSensingTimeoutAlarmTime,
+            "DeviceIdleController.sensing", mSensingTimeoutAlarmListener, mHandler);
+    }
+
     private static int[] buildAppIdArray(ArrayMap<String, Integer> systemApps,
             ArrayMap<String, Integer> userApps, SparseBooleanArray outAppIds) {
         outAppIds.clear();
diff --git a/services/core/java/com/android/server/GestureLauncherService.java b/services/core/java/com/android/server/GestureLauncherService.java
index d6575e8..aa98648 100644
--- a/services/core/java/com/android/server/GestureLauncherService.java
+++ b/services/core/java/com/android/server/GestureLauncherService.java
@@ -34,6 +34,7 @@
 import android.os.SystemClock;
 import android.os.SystemProperties;
 import android.provider.Settings;
+import android.util.MutableBoolean;
 import android.util.Slog;
 import android.view.KeyEvent;
 
@@ -251,7 +252,8 @@
         return isCameraLaunchEnabled(resources) || isCameraDoubleTapPowerEnabled(resources);
     }
 
-    public boolean interceptPowerKeyDown(KeyEvent event, boolean interactive) {
+    public boolean interceptPowerKeyDown(KeyEvent event, boolean interactive,
+            MutableBoolean outLaunched) {
         boolean launched = false;
         boolean intercept = false;
         long doubleTapInterval;
@@ -276,6 +278,7 @@
             }
         }
         MetricsLogger.histogram(mContext, "power_double_tap_interval", (int) doubleTapInterval);
+        outLaunched.value = launched;
         return intercept && launched;
     }
 
diff --git a/services/core/java/com/android/server/LockSettingsService.java b/services/core/java/com/android/server/LockSettingsService.java
index ed16af51..4ac75ca 100644
--- a/services/core/java/com/android/server/LockSettingsService.java
+++ b/services/core/java/com/android/server/LockSettingsService.java
@@ -56,6 +56,9 @@
 import android.provider.Settings.Secure;
 import android.provider.Settings.SettingNotFoundException;
 import android.security.KeyStore;
+import android.security.keystore.AndroidKeyStoreProvider;
+import android.security.keystore.KeyProperties;
+import android.security.keystore.KeyProtection;
 import android.service.gatekeeper.GateKeeperResponse;
 import android.service.gatekeeper.IGateKeeperService;
 import android.text.TextUtils;
@@ -68,15 +71,33 @@
 import com.android.internal.widget.VerifyCredentialResponse;
 import com.android.server.LockSettingsStorage.CredentialHash;
 
+import libcore.util.HexEncoding;
+
+import java.io.ByteArrayOutputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
 import java.nio.charset.StandardCharsets;
+import java.security.InvalidAlgorithmParameterException;
+import java.security.InvalidKeyException;
+import java.security.KeyStoreException;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
-
+import java.security.SecureRandom;
+import java.security.UnrecoverableKeyException;
+import java.security.cert.CertificateException;
 import java.util.Arrays;
 import java.util.List;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 
+import javax.crypto.BadPaddingException;
+import javax.crypto.Cipher;
+import javax.crypto.IllegalBlockSizeException;
+import javax.crypto.KeyGenerator;
+import javax.crypto.NoSuchPaddingException;
+import javax.crypto.SecretKey;
+import javax.crypto.spec.GCMParameterSpec;
+
 /**
  * Keeps the lock pattern/password data and related settings for each user.
  * Used by LockPatternUtils. Needs to be a service because Settings app also needs
@@ -90,6 +111,12 @@
     private static final int FBE_ENCRYPTED_NOTIFICATION = 0;
     private static final boolean DEBUG = false;
 
+    private static final String PROFILE_KEY_NAME_ENCRYPT = "profile_key_name_encrypt_";
+    private static final String PROFILE_KEY_NAME_DECRYPT = "profile_key_name_decrypt_";
+    private static final int PROFILE_KEY_IV_SIZE = 12;
+    private static final String SEPARATE_PROFILE_CHALLENGE_KEY = "lockscreen.profilechallenge";
+    private final Object mSeparateChallengeLock = new Object();
+
     private final Context mContext;
     private final LockSettingsStorage mStorage;
     private final LockSettingsStrongAuth mStrongAuth;
@@ -125,6 +152,7 @@
 
         @Override
         public void onStart() {
+            AndroidKeyStoreProvider.install();
             mLockSettingsService = new LockSettingsService(getContext());
             publishBinderService("lock_settings", mLockSettingsService);
         }
@@ -149,6 +177,46 @@
         }
     }
 
+    /**
+     * Tie managed profile to primary profile if it is in unified mode and not tied before.
+     *
+     * @param managedUserId Managed profile user Id
+     * @param managedUserPassword Managed profile original password (when it has separated lock).
+     *            NULL when it does not have a separated lock before.
+     */
+    public void tieManagedProfileLockIfNecessary(int managedUserId, String managedUserPassword) {
+        if (DEBUG) Slog.v(TAG, "Check child profile lock for user: " + managedUserId);
+        // Only for managed profile
+        if (!UserManager.get(mContext).getUserInfo(managedUserId).isManagedProfile()) {
+            return;
+        }
+        // Do not tie managed profile when work challenge is enabled
+        if (mLockPatternUtils.isSeparateProfileChallengeEnabled(managedUserId)) {
+            return;
+        }
+        // Do not tie managed profile to parent when it's done already
+        if (mStorage.hasChildProfileLock(managedUserId)) {
+            return;
+        }
+        // Do not tie it to parent when parent does not have a screen lock
+        final int parentId = mUserManager.getProfileParent(managedUserId).id;
+        if (!mStorage.hasPassword(parentId) && !mStorage.hasPattern(parentId)) {
+            if (DEBUG) Slog.v(TAG, "Parent does not have a screen lock");
+            return;
+        }
+        if (DEBUG) Slog.v(TAG, "Tie managed profile to parent now!");
+        byte[] randomLockSeed = new byte[] {};
+        try {
+            randomLockSeed = SecureRandom.getInstance("SHA1PRNG").generateSeed(40);
+            String newPassword = String.valueOf(HexEncoding.encode(randomLockSeed));
+            setLockPasswordInternal(newPassword, managedUserPassword, managedUserId);
+            tieProfileLockToParent(managedUserId, newPassword);
+        } catch (NoSuchAlgorithmException | RemoteException e) {
+            Slog.e(TAG, "Fail to tie managed profile", e);
+            // Nothing client can do to fix this issue, so we do not throw exception out
+        }
+    }
+
     public LockSettingsService(Context context) {
         mContext = context;
         mStrongAuth = new LockSettingsStrongAuth(context);
@@ -254,7 +322,7 @@
                         com.android.internal.R.color.system_notification_accent_color))
                 .setContentTitle(title)
                 .setContentText(message)
-                .setContentInfo(detail)
+                .setSubText(detail)
                 .setVisibility(Notification.VISIBILITY_PUBLIC)
                 .setContentIntent(intent)
                 .build();
@@ -271,6 +339,7 @@
     }
 
     public void onUnlockUser(int userId) {
+        tieManagedProfileLockIfNecessary(userId, null);
         hideEncryptionNotification(new UserHandle(userId));
 
         // Now we have unlocked the parent user we should show notifications
@@ -294,8 +363,7 @@
                 // Notify keystore that a new user was added.
                 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 0);
                 final KeyStore ks = KeyStore.getInstance();
-                final UserManager um = (UserManager) mContext.getSystemService(USER_SERVICE);
-                final UserInfo parentInfo = um.getProfileParent(userHandle);
+                final UserInfo parentInfo = mUserManager.getProfileParent(userHandle);
                 final int parentHandle = parentInfo != null ? parentInfo.id : -1;
                 ks.onUserAdded(userHandle, parentHandle);
             } else if (Intent.ACTION_USER_STARTING.equals(intent.getAction())) {
@@ -343,9 +411,8 @@
 
             // These Settings changed after multi-user was enabled, hence need to be moved per user.
             if (getString("migrated_user_specific", null, 0) == null) {
-                final UserManager um = (UserManager) mContext.getSystemService(USER_SERVICE);
                 final ContentResolver cr = mContext.getContentResolver();
-                List<UserInfo> users = um.getUsers();
+                List<UserInfo> users = mUserManager.getUsers();
                 for (int user = 0; user < users.size(); user++) {
                     // Migrate owner info
                     final int userId = users.get(user).id;
@@ -380,8 +447,7 @@
 
             // Migrates biometric weak such that the fallback mechanism becomes the primary.
             if (getString("migrated_biometric_weak", null, 0) == null) {
-                final UserManager um = (UserManager) mContext.getSystemService(USER_SERVICE);
-                List<UserInfo> users = um.getUsers();
+                List<UserInfo> users = mUserManager.getUsers();
                 for (int i = 0; i < users.size(); i++) {
                     int userId = users.get(i).id;
                     long type = getLong(LockPatternUtils.PASSWORD_TYPE_KEY,
@@ -407,9 +473,7 @@
             // user was present on the system, so if we're upgrading to M and there is more than one
             // user we disable the flag to remain consistent.
             if (getString("migrated_lockscreen_disabled", null, 0) == null) {
-                final UserManager um = (UserManager) mContext.getSystemService(USER_SERVICE);
-
-                final List<UserInfo> users = um.getUsers();
+                final List<UserInfo> users = mUserManager.getUsers();
                 final int userCount = users.size();
                 int switchableUsers = 0;
                 for (int i = 0; i < userCount; i++) {
@@ -469,6 +533,27 @@
     }
 
     @Override
+    public boolean getSeparateProfileChallengeEnabled(int userId) throws RemoteException {
+        synchronized (mSeparateChallengeLock) {
+            return getBoolean(SEPARATE_PROFILE_CHALLENGE_KEY, false, userId);
+        }
+    }
+
+    @Override
+    public void setSeparateProfileChallengeEnabled(int userId, boolean enabled,
+            String managedUserPassword) throws RemoteException {
+        synchronized (mSeparateChallengeLock) {
+            setBoolean(SEPARATE_PROFILE_CHALLENGE_KEY, enabled, userId);
+            if (enabled) {
+                mStorage.removeChildProfileLock(userId);
+                removeKeystoreProfileKey(userId);
+            } else {
+                tieManagedProfileLockIfNecessary(userId, managedUserPassword);
+            }
+        }
+    }
+
+    @Override
     public void setBoolean(String key, boolean value, int userId) throws RemoteException {
         checkWritePermission(userId);
         setStringUnchecked(key, userId, value ? "1" : "0");
@@ -536,61 +621,65 @@
     @Override
     public boolean havePassword(int userId) throws RemoteException {
         // Do we need a permissions check here?
-
         return mStorage.hasPassword(userId);
     }
 
     @Override
     public boolean havePattern(int userId) throws RemoteException {
         // Do we need a permissions check here?
-
         return mStorage.hasPattern(userId);
     }
 
     private void setKeystorePassword(String password, int userHandle) {
-        final UserManager um = (UserManager) mContext.getSystemService(USER_SERVICE);
         final KeyStore ks = KeyStore.getInstance();
-
-        if (um.getUserInfo(userHandle).isManagedProfile()) {
-            if (mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle)) {
-                ks.onUserPasswordChanged(userHandle, password);
-            } else {
-                throw new RuntimeException("Can't set keystore password on a profile that "
-                        + "doesn't have a profile challenge.");
-            }
-        } else {
-            final List<UserInfo> profiles = um.getProfiles(userHandle);
-            for (UserInfo pi : profiles) {
-                // Change password on the given user and all its profiles that don't have
-                // their own profile challenge enabled.
-                if (pi.id == userHandle || (pi.isManagedProfile()
-                        && !mLockPatternUtils.isSeparateProfileChallengeEnabled(pi.id))) {
-                    ks.onUserPasswordChanged(pi.id, password);
-                }
-            }
-        }
+        ks.onUserPasswordChanged(userHandle, password);
     }
 
     private void unlockKeystore(String password, int userHandle) {
-        final UserManager um = (UserManager) mContext.getSystemService(USER_SERVICE);
+        if (DEBUG) Slog.v(TAG, "Unlock keystore for user: " + userHandle);
         final KeyStore ks = KeyStore.getInstance();
+        ks.unlock(userHandle, password);
+    }
 
-        if (um.getUserInfo(userHandle).isManagedProfile()) {
-            if (mLockPatternUtils.isSeparateProfileChallengeEnabled(userHandle)) {
-                ks.unlock(userHandle, password);
+    private String getDecryptedPasswordForTiedProfile(int userId)
+            throws KeyStoreException, UnrecoverableKeyException,
+            NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException,
+            InvalidAlgorithmParameterException, IllegalBlockSizeException, BadPaddingException,
+            CertificateException, IOException {
+        if (DEBUG) Slog.v(TAG, "Unlock keystore for child profile");
+        byte[] storedData = mStorage.readChildProfileLock(userId);
+        if (storedData == null) {
+            throw new FileNotFoundException("Child profile lock file not found");
+        }
+        byte[] iv = Arrays.copyOfRange(storedData, 0, PROFILE_KEY_IV_SIZE);
+        byte[] encryptedPassword = Arrays.copyOfRange(storedData, PROFILE_KEY_IV_SIZE,
+                storedData.length);
+        byte[] decryptionResult;
+        java.security.KeyStore keyStore = java.security.KeyStore.getInstance("AndroidKeyStore");
+        keyStore.load(null);
+        SecretKey decryptionKey = (SecretKey) keyStore.getKey(
+                PROFILE_KEY_NAME_DECRYPT + userId, null);
+
+        Cipher cipher = Cipher.getInstance(KeyProperties.KEY_ALGORITHM_AES + "/"
+                + KeyProperties.BLOCK_MODE_GCM + "/" + KeyProperties.ENCRYPTION_PADDING_NONE);
+
+        cipher.init(Cipher.DECRYPT_MODE, decryptionKey, new GCMParameterSpec(128, iv));
+        decryptionResult = cipher.doFinal(encryptedPassword);
+        return new String(decryptionResult, StandardCharsets.UTF_8);
+    }
+
+    private void unlockChildProfile(int profileHandle) throws RemoteException {
+        try {
+            doVerifyPassword(getDecryptedPasswordForTiedProfile(profileHandle), false,
+                    0 /* no challenge */, profileHandle);
+        } catch (UnrecoverableKeyException | InvalidKeyException | KeyStoreException
+                | NoSuchAlgorithmException | NoSuchPaddingException
+                | InvalidAlgorithmParameterException | IllegalBlockSizeException
+                | BadPaddingException | CertificateException | IOException e) {
+            if (e instanceof FileNotFoundException) {
+                Slog.i(TAG, "Child profile key not found");
             } else {
-                throw new RuntimeException("Can't unlock a profile explicitly if it "
-                        + "doesn't have a profile challenge.");
-            }
-        } else {
-            final List<UserInfo> profiles = um.getProfiles(userHandle);
-            for (UserInfo pi : profiles) {
-                // Unlock the given user and all its profiles that don't have
-                // their own profile challenge enabled.
-                if (pi.id == userHandle || (pi.isManagedProfile()
-                        && !mLockPatternUtils.isSeparateProfileChallengeEnabled(pi.id))) {
-                    ks.unlock(pi.id, password);
-                }
+                Slog.e(TAG, "Failed to decrypt child profile key", e);
             }
         }
     }
@@ -627,6 +716,21 @@
         } catch (InterruptedException e) {
             Thread.currentThread().interrupt();
         }
+        try {
+            if (!mUserManager.getUserInfo(userId).isManagedProfile()) {
+                final List<UserInfo> profiles = mUserManager.getProfiles(userId);
+                for (UserInfo pi : profiles) {
+                    // Unlock managed profile with unified lock
+                    if (pi.isManagedProfile()
+                            && !mLockPatternUtils.isSeparateProfileChallengeEnabled(pi.id)
+                            && mStorage.hasChildProfileLock(pi.id)) {
+                        unlockChildProfile(pi.id);
+                    }
+                }
+            }
+        } catch (RemoteException e) {
+            Log.d(TAG, "Failed to unlock child profile", e);
+        }
     }
 
     private byte[] getCurrentHandle(int userId) {
@@ -661,10 +765,57 @@
         return currentHandle;
     }
 
+    private void onUserLockChanged(int userId) throws RemoteException {
+        if (mUserManager.getUserInfo(userId).isManagedProfile()) {
+            return;
+        }
+        final boolean isSecure = mStorage.hasPassword(userId) || mStorage.hasPattern(userId);
+        final List<UserInfo> profiles = mUserManager.getProfiles(userId);
+        final int size = profiles.size();
+        for (int i = 0; i < size; i++) {
+            final UserInfo profile = profiles.get(i);
+            if (profile.isManagedProfile()) {
+                final int managedUserId = profile.id;
+                if (mLockPatternUtils.isSeparateProfileChallengeEnabled(managedUserId)) {
+                    continue;
+                }
+                if (isSecure) {
+                    tieManagedProfileLockIfNecessary(managedUserId, null);
+                } else {
+                    getGateKeeperService().clearSecureUserId(managedUserId);
+                    mStorage.writePatternHash(null, managedUserId);
+                    setKeystorePassword(null, managedUserId);
+                    clearUserKeyProtection(managedUserId);
+                    mStorage.removeChildProfileLock(managedUserId);
+                    removeKeystoreProfileKey(managedUserId);
+                }
+            }
+        }
+    }
 
+    private boolean isManagedProfileWithUnifiedLock(int userId) {
+        return mUserManager.getUserInfo(userId).isManagedProfile()
+                && !mLockPatternUtils.isSeparateProfileChallengeEnabled(userId);
+    }
+
+    private boolean isManagedProfileWithSeparatedLock(int userId) {
+        return mUserManager.getUserInfo(userId).isManagedProfile()
+                && mLockPatternUtils.isSeparateProfileChallengeEnabled(userId);
+    }
+
+    // This method should be called by LockPatternUtil only, all internal methods in this class
+    // should call setLockPatternInternal.
     @Override
     public void setLockPattern(String pattern, String savedCredential, int userId)
             throws RemoteException {
+        synchronized (mSeparateChallengeLock) {
+            setLockPatternInternal(pattern, savedCredential, userId);
+            setSeparateProfileChallengeEnabled(userId, true, null);
+        }
+    }
+
+    public void setLockPatternInternal(String pattern, String savedCredential, int userId)
+            throws RemoteException {
         byte[] currentHandle = getCurrentHandle(userId);
 
         if (pattern == null) {
@@ -672,55 +823,157 @@
             mStorage.writePatternHash(null, userId);
             setKeystorePassword(null, userId);
             clearUserKeyProtection(userId);
+            onUserLockChanged(userId);
             return;
         }
 
-        if (currentHandle == null) {
-            if (savedCredential != null) {
-                Slog.w(TAG, "Saved credential provided, but none stored");
+        if (isManagedProfileWithUnifiedLock(userId)) {
+            // get credential from keystore when managed profile has unified lock
+            try {
+                savedCredential = getDecryptedPasswordForTiedProfile(userId);
+            } catch (UnrecoverableKeyException | InvalidKeyException | KeyStoreException
+                    | NoSuchAlgorithmException | NoSuchPaddingException
+                    | InvalidAlgorithmParameterException | IllegalBlockSizeException
+                    | BadPaddingException | CertificateException | IOException e) {
+                if (e instanceof FileNotFoundException) {
+                    Slog.i(TAG, "Child profile key not found");
+                } else {
+                    Slog.e(TAG, "Failed to decrypt child profile key", e);
+                }
             }
-            savedCredential = null;
+        } else {
+            if (currentHandle == null) {
+                if (savedCredential != null) {
+                    Slog.w(TAG, "Saved credential provided, but none stored");
+                }
+                savedCredential = null;
+            }
         }
 
         byte[] enrolledHandle = enrollCredential(currentHandle, savedCredential, pattern, userId);
         if (enrolledHandle != null) {
             mStorage.writePatternHash(enrolledHandle, userId);
             setUserKeyProtection(userId, pattern, verifyPattern(pattern, 0, userId));
+            onUserLockChanged(userId);
         } else {
             throw new RemoteException("Failed to enroll pattern");
         }
     }
 
-
+    // This method should be called by LockPatternUtil only, all internal methods in this class
+    // should call setLockPasswordInternal.
     @Override
     public void setLockPassword(String password, String savedCredential, int userId)
             throws RemoteException {
-        byte[] currentHandle = getCurrentHandle(userId);
+        synchronized (mSeparateChallengeLock) {
+            setLockPasswordInternal(password, savedCredential, userId);
+            setSeparateProfileChallengeEnabled(userId, true, null);
+        }
+    }
 
+    public void setLockPasswordInternal(String password, String savedCredential, int userId)
+            throws RemoteException {
+        byte[] currentHandle = getCurrentHandle(userId);
         if (password == null) {
             getGateKeeperService().clearSecureUserId(userId);
             mStorage.writePasswordHash(null, userId);
             setKeystorePassword(null, userId);
             clearUserKeyProtection(userId);
+            onUserLockChanged(userId);
             return;
         }
 
-        if (currentHandle == null) {
-            if (savedCredential != null) {
-                Slog.w(TAG, "Saved credential provided, but none stored");
+        if (isManagedProfileWithUnifiedLock(userId)) {
+            // get credential from keystore when managed profile has unified lock
+            try {
+                savedCredential = getDecryptedPasswordForTiedProfile(userId);
+            } catch (UnrecoverableKeyException | InvalidKeyException | KeyStoreException
+                    | NoSuchAlgorithmException | NoSuchPaddingException
+                    | InvalidAlgorithmParameterException | IllegalBlockSizeException
+                    | BadPaddingException | CertificateException | IOException e) {
+                if (e instanceof FileNotFoundException) {
+                    Slog.i(TAG, "Child profile key not found");
+                } else {
+                    Slog.e(TAG, "Failed to decrypt child profile key", e);
+                }
             }
-            savedCredential = null;
+        } else {
+            if (currentHandle == null) {
+                if (savedCredential != null) {
+                    Slog.w(TAG, "Saved credential provided, but none stored");
+                }
+                savedCredential = null;
+            }
         }
 
         byte[] enrolledHandle = enrollCredential(currentHandle, savedCredential, password, userId);
         if (enrolledHandle != null) {
             mStorage.writePasswordHash(enrolledHandle, userId);
             setUserKeyProtection(userId, password, verifyPassword(password, 0, userId));
+            onUserLockChanged(userId);
         } else {
             throw new RemoteException("Failed to enroll password");
         }
     }
 
+    private void tieProfileLockToParent(int userId, String password) {
+        if (DEBUG) Slog.v(TAG, "tieProfileLockToParent for user: " + userId);
+        byte[] randomLockSeed = password.getBytes(StandardCharsets.UTF_8);
+        byte[] encryptionResult;
+        byte[] iv;
+        try {
+            KeyGenerator keyGenerator = KeyGenerator.getInstance(KeyProperties.KEY_ALGORITHM_AES);
+            keyGenerator.init(new SecureRandom());
+            SecretKey secretKey = keyGenerator.generateKey();
+
+            java.security.KeyStore keyStore = java.security.KeyStore.getInstance("AndroidKeyStore");
+            keyStore.load(null);
+            keyStore.setEntry(
+                    PROFILE_KEY_NAME_ENCRYPT + userId,
+                    new java.security.KeyStore.SecretKeyEntry(secretKey),
+                    new KeyProtection.Builder(KeyProperties.PURPOSE_ENCRYPT)
+                            .setBlockModes(KeyProperties.BLOCK_MODE_GCM)
+                            .setEncryptionPaddings(KeyProperties.ENCRYPTION_PADDING_NONE)
+                            .build());
+            keyStore.setEntry(
+                    PROFILE_KEY_NAME_DECRYPT + userId,
+                    new java.security.KeyStore.SecretKeyEntry(secretKey),
+                    new KeyProtection.Builder(KeyProperties.PURPOSE_DECRYPT)
+                            .setBlockModes(KeyProperties.BLOCK_MODE_GCM)
+                            .setEncryptionPaddings(KeyProperties.ENCRYPTION_PADDING_NONE)
+                            .setUserAuthenticationRequired(true)
+                            .setUserAuthenticationValidityDurationSeconds(30)
+                            .build());
+
+            // Key imported, obtain a reference to it.
+            SecretKey keyStoreEncryptionKey = (SecretKey) keyStore.getKey(
+                    PROFILE_KEY_NAME_ENCRYPT + userId, null);
+            // The original key can now be discarded.
+
+            Cipher cipher = Cipher.getInstance(
+                    KeyProperties.KEY_ALGORITHM_AES + "/" + KeyProperties.BLOCK_MODE_GCM + "/"
+                            + KeyProperties.ENCRYPTION_PADDING_NONE);
+            cipher.init(Cipher.ENCRYPT_MODE, keyStoreEncryptionKey);
+            encryptionResult = cipher.doFinal(randomLockSeed);
+            iv = cipher.getIV();
+        } catch (CertificateException | UnrecoverableKeyException
+                | IOException | BadPaddingException | IllegalBlockSizeException | KeyStoreException
+                | NoSuchPaddingException | NoSuchAlgorithmException | InvalidKeyException e) {
+            throw new RuntimeException("Failed to encrypt key", e);
+        }
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        try {
+            if (iv.length != PROFILE_KEY_IV_SIZE) {
+                throw new RuntimeException("Invalid iv length: " + iv.length);
+            }
+            outputStream.write(iv);
+            outputStream.write(encryptionResult);
+        } catch (IOException e) {
+            throw new RuntimeException("Failed to concatenate byte arrays", e);
+        }
+        mStorage.writeChildProfileLock(userId, outputStream.toByteArray());
+    }
+
     private byte[] enrollCredential(byte[] enrolledHandle,
             String enrolledCredential, String toEnroll, int userId)
             throws RemoteException {
@@ -820,7 +1073,7 @@
                    @Override
                    public void setCredential(String pattern, String oldPattern, int userId)
                            throws RemoteException {
-                       setLockPattern(pattern, oldPattern, userId);
+                        setLockPatternInternal(pattern, oldPattern, userId);
                    }
 
                    @Override
@@ -838,7 +1091,7 @@
 
        if (response.getResponseCode() == VerifyCredentialResponse.RESPONSE_OK
                && shouldReEnrollBaseZero) {
-           setLockPattern(pattern, patternToVerify, userId);
+            setLockPatternInternal(pattern, patternToVerify, userId);
        }
 
        return response;
@@ -857,6 +1110,37 @@
         return doVerifyPassword(password, true, challenge, userId);
     }
 
+    @Override
+    public VerifyCredentialResponse verifyTiedProfileChallenge(String password, boolean isPattern,
+            long challenge, int userId) throws RemoteException {
+        checkPasswordReadPermission(userId);
+        if (!isManagedProfileWithUnifiedLock(userId)) {
+            throw new RemoteException("User id must be managed profile with unified lock");
+        }
+        final int parentProfileId = mUserManager.getProfileParent(userId).id;
+        // Unlock parent by using parent's challenge
+        final VerifyCredentialResponse parentResponse = isPattern
+                ? doVerifyPattern(password, true, challenge, parentProfileId)
+                : doVerifyPassword(password, true, challenge, parentProfileId);
+        if (parentResponse.getResponseCode() != VerifyCredentialResponse.RESPONSE_OK) {
+            // Failed, just return parent's response
+            return parentResponse;
+        }
+
+        try {
+            // Unlock work profile, and work profile with unified lock must use password only
+            return doVerifyPassword(getDecryptedPasswordForTiedProfile(userId), true,
+                    challenge,
+                    userId);
+        } catch (UnrecoverableKeyException | InvalidKeyException | KeyStoreException
+                | NoSuchAlgorithmException | NoSuchPaddingException
+                | InvalidAlgorithmParameterException | IllegalBlockSizeException
+                | BadPaddingException | CertificateException | IOException e) {
+            Slog.e(TAG, "Failed to decrypt child profile key", e);
+            throw new RemoteException("Unable to get tied profile token");
+        }
+    }
+
     private VerifyCredentialResponse doVerifyPassword(String password, boolean hasChallenge,
             long challenge, int userId) throws RemoteException {
        checkPasswordReadPermission(userId);
@@ -866,7 +1150,7 @@
                    @Override
                    public void setCredential(String password, String oldPassword, int userId)
                            throws RemoteException {
-                       setLockPassword(password, oldPassword, userId);
+                        setLockPasswordInternal(password, oldPassword, userId);
                    }
 
                    @Override
@@ -947,8 +1231,7 @@
                 " with token length " + response.getPayload().length);
             unlockUser(userId, response.getPayload(), secretFromCredential(credential));
 
-            UserInfo info = UserManager.get(mContext).getUserInfo(userId);
-            if (mLockPatternUtils.isSeparateProfileChallengeEnabled(userId)) {
+            if (isManagedProfileWithSeparatedLock(userId)) {
                 TrustManager trustManager =
                         (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE);
                 trustManager.setDeviceLockedForUser(userId, false);
@@ -1027,6 +1310,23 @@
         } catch (RemoteException ex) {
             Slog.w(TAG, "unable to clear GK secure user id");
         }
+        if (mUserManager.getUserInfo(userId).isManagedProfile()) {
+            removeKeystoreProfileKey(userId);
+        }
+    }
+
+    private void removeKeystoreProfileKey(int targetUserId) {
+        if (DEBUG) Slog.v(TAG, "Remove keystore profile key for user: " + targetUserId);
+        try {
+            java.security.KeyStore keyStore = java.security.KeyStore.getInstance("AndroidKeyStore");
+            keyStore.load(null);
+            keyStore.deleteEntry(PROFILE_KEY_NAME_ENCRYPT + targetUserId);
+            keyStore.deleteEntry(PROFILE_KEY_NAME_DECRYPT + targetUserId);
+        } catch (KeyStoreException | NoSuchAlgorithmException | CertificateException
+                | IOException e) {
+            // We have tried our best to remove all keys
+            Slog.e(TAG, "Unable to remove keystore profile key for user:" + targetUserId, e);
+        }
     }
 
     @Override
diff --git a/services/core/java/com/android/server/LockSettingsStorage.java b/services/core/java/com/android/server/LockSettingsStorage.java
index 816c791..d136f1a 100644
--- a/services/core/java/com/android/server/LockSettingsStorage.java
+++ b/services/core/java/com/android/server/LockSettingsStorage.java
@@ -17,7 +17,6 @@
 package com.android.server;
 
 import com.android.internal.annotations.VisibleForTesting;
-import com.android.internal.widget.LockPatternUtils;
 
 import android.content.ContentValues;
 import android.content.Context;
@@ -30,6 +29,7 @@
 import android.util.ArrayMap;
 import android.util.Log;
 import android.util.Slog;
+import android.util.SparseArray;
 
 import java.io.File;
 import java.io.IOException;
@@ -44,6 +44,7 @@
 
     private static final String TAG = "LockSettingsStorage";
     private static final String TABLE = "locksettings";
+    private static final boolean DEBUG = false;
 
     private static final String COLUMN_KEY = "name";
     private static final String COLUMN_USERID = "user";
@@ -62,6 +63,7 @@
     private static final String LEGACY_LOCK_PATTERN_FILE = "gesture.key";
     private static final String LOCK_PASSWORD_FILE = "gatekeeper.password.key";
     private static final String LEGACY_LOCK_PASSWORD_FILE = "password.key";
+    private static final String CHILD_PROFILE_LOCK_FILE = "gatekeeper.profile.key";
 
     private static final Object DEFAULT = new Object();
 
@@ -70,8 +72,7 @@
     private final Cache mCache = new Cache();
     private final Object mFileWriteLock = new Object();
 
-    private int mStoredCredentialType;
-    private LockPatternUtils mLockPatternUtils;
+    private SparseArray<Integer> mStoredCredentialType;
 
     class CredentialHash {
         static final int TYPE_NONE = -1;
@@ -101,7 +102,7 @@
     public LockSettingsStorage(Context context, Callback callback) {
         mContext = context;
         mOpenHelper = new DatabaseHelper(context, callback);
-        mLockPatternUtils = new LockPatternUtils(context);
+        mStoredCredentialType = new SparseArray<Integer>();
     }
 
     public void writeKeyValue(String key, String value, int userId) {
@@ -182,32 +183,34 @@
     }
 
     public int getStoredCredentialType(int userId) {
-        if (mStoredCredentialType != 0) {
-            return mStoredCredentialType;
+        final Integer cachedStoredCredentialType = mStoredCredentialType.get(userId);
+        if (cachedStoredCredentialType != null) {
+            return cachedStoredCredentialType.intValue();
         }
 
+        int storedCredentialType;
         CredentialHash pattern = readPatternHash(userId);
         if (pattern == null) {
             if (readPasswordHash(userId) != null) {
-                mStoredCredentialType = CredentialHash.TYPE_PASSWORD;
+                storedCredentialType = CredentialHash.TYPE_PASSWORD;
             } else {
-                mStoredCredentialType = CredentialHash.TYPE_NONE;
+                storedCredentialType = CredentialHash.TYPE_NONE;
             }
         } else {
             CredentialHash password = readPasswordHash(userId);
             if (password != null) {
                 // Both will never be GateKeeper
                 if (password.version == CredentialHash.VERSION_GATEKEEPER) {
-                    mStoredCredentialType = CredentialHash.TYPE_PASSWORD;
+                    storedCredentialType = CredentialHash.TYPE_PASSWORD;
                 } else {
-                    mStoredCredentialType = CredentialHash.TYPE_PATTERN;
+                    storedCredentialType = CredentialHash.TYPE_PATTERN;
                 }
             } else {
-                mStoredCredentialType = CredentialHash.TYPE_PATTERN;
+                storedCredentialType = CredentialHash.TYPE_PATTERN;
             }
         }
-
-        return mStoredCredentialType;
+        mStoredCredentialType.put(userId, storedCredentialType);
+        return storedCredentialType;
     }
 
 
@@ -244,6 +247,27 @@
         return null;
     }
 
+    public void removeChildProfileLock(int userId) {
+        if (DEBUG)
+            Slog.e(TAG, "Remove child profile lock for user: " + userId);
+        try {
+            deleteFile(getChildProfileLockFile(userId));
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    public void writeChildProfileLock(int userId, byte[] lock) {
+        writeFile(getChildProfileLockFile(userId), lock);
+    }
+
+    public byte[] readChildProfileLock(int userId) {
+        return readFile(getChildProfileLockFile(userId));
+    }
+
+    public boolean hasChildProfileLock(int userId) {
+        return hasFile(getChildProfileLockFile(userId));
+    }
 
     public boolean hasPassword(int userId) {
         return hasFile(getLockPasswordFilename(userId)) ||
@@ -321,16 +345,19 @@
     }
 
     private void deleteFile(String name) {
-        File f = new File(name);
-        if (f != null) {
-            f.delete();
+        if (DEBUG) Slog.e(TAG, "Delete file " + name);
+        synchronized (mFileWriteLock) {
+            File file = new File(name);
+            if (file.exists()) {
+                file.delete();
+                mCache.putFile(name, null);
+            }
         }
     }
 
     public void writePatternHash(byte[] hash, int userId) {
-        mStoredCredentialType = hash == null
-            ? CredentialHash.TYPE_NONE
-            : CredentialHash.TYPE_PATTERN;
+        mStoredCredentialType.put(userId, hash == null ? CredentialHash.TYPE_NONE
+                : CredentialHash.TYPE_PATTERN);
         writeFile(getLockPatternFilename(userId), hash);
         clearPasswordHash(userId);
     }
@@ -340,9 +367,8 @@
     }
 
     public void writePasswordHash(byte[] hash, int userId) {
-        mStoredCredentialType = hash == null
-            ? CredentialHash.TYPE_NONE
-            : CredentialHash.TYPE_PASSWORD;
+        mStoredCredentialType.put(userId, hash == null ? CredentialHash.TYPE_NONE
+                : CredentialHash.TYPE_PASSWORD);
         writeFile(getLockPasswordFilename(userId), hash);
         clearPatternHash(userId);
     }
@@ -375,8 +401,11 @@
         return getLockCredentialFilePathForUser(userId, BASE_ZERO_LOCK_PATTERN_FILE);
     }
 
+    private String getChildProfileLockFile(int userId) {
+        return getLockCredentialFilePathForUser(userId, CHILD_PROFILE_LOCK_FILE);
+    }
+
     private String getLockCredentialFilePathForUser(int userId, String basename) {
-        userId = getUserParentOrSelfId(userId);
         String dataSystemDirectory =
                 android.os.Environment.getDataDirectory().getAbsolutePath() +
                         SYSTEM_DIRECTORY;
@@ -388,23 +417,6 @@
         }
     }
 
-    private int getUserParentOrSelfId(int userId) {
-        // Device supports per user encryption, so lock is applied to the given user.
-        if (mLockPatternUtils.isSeparateProfileChallengeEnabled(userId)) {
-            return userId;
-        }
-        // Device uses Block Based Encryption, and the parent user's lock is used for the whole
-        // device.
-        if (userId != 0) {
-            final UserManager um = (UserManager) mContext.getSystemService(USER_SERVICE);
-            final UserInfo pi = um.getProfileParent(userId);
-            if (pi != null) {
-                return pi.id;
-            }
-        }
-        return userId;
-    }
-
     public void removeUser(int userId) {
         SQLiteDatabase db = mOpenHelper.getWritableDatabase();
 
@@ -427,6 +439,9 @@
                     mCache.putFile(name, null);
                 }
             }
+        } else {
+            // Manged profile
+            removeChildProfileLock(userId);
         }
 
         try {
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 1587516..4852788 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -10590,14 +10590,14 @@
     private boolean requestTargetProviderPermissionsReviewIfNeededLocked(ProviderInfo cpi,
             ProcessRecord r, final int userId) {
         if (getPackageManagerInternalLocked().isPermissionsReviewRequired(
-                cpi.packageName, r.userId)) {
+                cpi.packageName, userId)) {
 
-            final boolean callerForeground = r != null ? r.setSchedGroup
-                    != ProcessList.SCHED_GROUP_BACKGROUND : true;
+            final boolean callerForeground = r == null || r.setSchedGroup
+                    != ProcessList.SCHED_GROUP_BACKGROUND;
 
             // Show a permission review UI only for starting from a foreground app
             if (!callerForeground) {
-                Slog.w(TAG, "u" + r.userId + " Instantiating a provider in package"
+                Slog.w(TAG, "u" + userId + " Instantiating a provider in package"
                         + cpi.packageName + " requires a permissions review");
                 return false;
             }
@@ -10608,7 +10608,7 @@
             intent.putExtra(Intent.EXTRA_PACKAGE_NAME, cpi.packageName);
 
             if (DEBUG_PERMISSIONS_REVIEW) {
-                Slog.i(TAG, "u" + r.userId + " Launching permission review "
+                Slog.i(TAG, "u" + userId + " Launching permission review "
                         + "for package " + cpi.packageName);
             }
 
diff --git a/services/core/java/com/android/server/am/ActivityStackSupervisor.java b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
index f659bde..7b2a370 100644
--- a/services/core/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
@@ -2043,8 +2043,10 @@
             resizeStackUncheckedLocked(stack, dockedBounds, tempDockedTaskBounds,
                     tempDockedTaskInsetBounds);
 
-            if (stack.mFullscreen) {
-                // The dock stack went fullscreen which is kinda like dismissing it.
+            // TODO: Checking for isAttached might not be needed as if the user passes in null
+            // dockedBounds then they want the docked stack to be dismissed.
+            if (stack.mFullscreen || (dockedBounds == null && !stack.isAttached())) {
+                // The dock stack either was dismissed or went fullscreen, which is kinda the same.
                 // In this case we make all other static stacks fullscreen and move all
                 // docked stack tasks to the fullscreen stack.
                 for (int i = FIRST_STATIC_STACK_ID; i <= LAST_STATIC_STACK_ID; i++) {
@@ -2069,18 +2071,13 @@
                 // static stacks need to be adjusted so they don't overlap with the docked stack.
                 // We get the bounds to use from window manager which has been adjusted for any
                 // screen controls and is also the same for all stacks.
-                if (dockedBounds != null) {
-                    mWindowManager.getStackDockedModeBounds(
-                            HOME_STACK_ID, tempRect, true /* ignoreVisibility */);
-                }
+                mWindowManager.getStackDockedModeBounds(
+                        HOME_STACK_ID, tempRect, true /* ignoreVisibility */);
                 for (int i = FIRST_STATIC_STACK_ID; i <= LAST_STATIC_STACK_ID; i++) {
-                    if (StackId.isResizeableByDockedStack(i)) {
-                        ActivityStack otherStack = getStack(i);
-                        if (otherStack != null) {
-                            resizeStackLocked(i, dockedBounds != null ? tempRect : null,
-                                    tempOtherTaskBounds, tempOtherTaskInsetBounds, preserveWindows,
-                                    true /* allowResizeInDockedMode */);
-                        }
+                    if (StackId.isResizeableByDockedStack(i) && getStack(i) != null) {
+                        resizeStackLocked(i, tempRect, tempOtherTaskBounds,
+                                tempOtherTaskInsetBounds, preserveWindows,
+                                true /* allowResizeInDockedMode */);
                     }
                 }
             }
diff --git a/services/core/java/com/android/server/connectivity/Vpn.java b/services/core/java/com/android/server/connectivity/Vpn.java
index 3b0b79a..a111bf9 100644
--- a/services/core/java/com/android/server/connectivity/Vpn.java
+++ b/services/core/java/com/android/server/connectivity/Vpn.java
@@ -264,7 +264,12 @@
             return true;
         }
 
-        // Check if the caller is authorized.
+        // Stop an existing always-on VPN from being dethroned by other apps.
+        if (getAlwaysOnPackage() != null) {
+            return false;
+        }
+
+        // Check that the caller is authorized.
         enforceControlPermission();
 
         prepareInternal(newPackage);
diff --git a/services/core/java/com/android/server/content/ContentService.java b/services/core/java/com/android/server/content/ContentService.java
index e9d9628..6e7ea99 100644
--- a/services/core/java/com/android/server/content/ContentService.java
+++ b/services/core/java/com/android/server/content/ContentService.java
@@ -73,7 +73,8 @@
  * {@hide}
  */
 public final class ContentService extends IContentService.Stub {
-    private static final String TAG = "ContentService";
+    static final String TAG = "ContentService";
+    static final boolean DEBUG = false;
 
     public static class Lifecycle extends SystemService {
         private ContentService mContentService;
@@ -339,12 +340,10 @@
      */
     @Override
     public void notifyChange(Uri uri, IContentObserver observer,
-                             boolean observerWantsSelfNotifications, boolean syncToNetwork,
+                             boolean observerWantsSelfNotifications, int flags,
                              int userHandle) {
-        if (Log.isLoggable(TAG, Log.VERBOSE)) {
-            Log.v(TAG, "Notifying update of " + uri + " for user " + userHandle
-                    + " from observer " + observer + ", syncToNetwork " + syncToNetwork);
-        }
+        if (DEBUG) Slog.d(TAG, "Notifying update of " + uri + " for user " + userHandle
+                + " from observer " + observer + ", flags " + Integer.toHexString(flags));
 
         final int uid = Binder.getCallingUid();
         final int pid = Binder.getCallingPid();
@@ -373,16 +372,15 @@
             ArrayList<ObserverCall> calls = new ArrayList<ObserverCall>();
             synchronized (mRootNode) {
                 mRootNode.collectObserversLocked(uri, 0, observer, observerWantsSelfNotifications,
-                        userHandle, calls);
+                        flags, userHandle, calls);
             }
             final int numCalls = calls.size();
             for (int i=0; i<numCalls; i++) {
                 ObserverCall oc = calls.get(i);
                 try {
                     oc.mObserver.onChange(oc.mSelfChange, uri, userHandle);
-                    if (Log.isLoggable(TAG, Log.VERBOSE)) {
-                        Log.v(TAG, "Notified " + oc.mObserver + " of " + "update at " + uri);
-                    }
+                    if (DEBUG) Slog.d(TAG, "Notified " + oc.mObserver + " of " + "update at "
+                            + uri);
                 } catch (RemoteException ex) {
                     synchronized (mRootNode) {
                         Log.w(TAG, "Found dead observer, removing");
@@ -401,7 +399,7 @@
                     }
                 }
             }
-            if (syncToNetwork) {
+            if ((flags&ContentResolver.NOTIFY_SYNC_TO_NETWORK) != 0) {
                 SyncManager syncManager = getSyncManager();
                 if (syncManager != null) {
                     syncManager.scheduleLocalSync(null /* all accounts */, callingUserHandle, uid,
@@ -420,7 +418,8 @@
 
     public void notifyChange(Uri uri, IContentObserver observer,
                              boolean observerWantsSelfNotifications, boolean syncToNetwork) {
-        notifyChange(uri, observer, observerWantsSelfNotifications, syncToNetwork,
+        notifyChange(uri, observer, observerWantsSelfNotifications,
+                syncToNetwork ? ContentResolver.NOTIFY_SYNC_TO_NETWORK : 0,
                 UserHandle.getCallingUserId());
     }
 
@@ -1064,14 +1063,14 @@
             for (int i = 0; i < packageCache.size();) {
                 final Pair<String, Uri> key = packageCache.keyAt(i);
                 if (key.second != null && key.second.toString().startsWith(uri.toString())) {
-                    Slog.d(TAG, "Invalidating cache for key " + key);
+                    if (DEBUG) Slog.d(TAG, "Invalidating cache for key " + key);
                     packageCache.removeAt(i);
                 } else {
                     i++;
                 }
             }
         } else {
-            Slog.d(TAG, "Invalidating cache for package " + providerPackageName);
+            if (DEBUG) Slog.d(TAG, "Invalidating cache for package " + providerPackageName);
             packageCache.clear();
         }
     }
@@ -1310,8 +1309,8 @@
         }
 
         private void collectMyObserversLocked(boolean leaf, IContentObserver observer,
-                                              boolean observerWantsSelfNotifications, int targetUserHandle,
-                                              ArrayList<ObserverCall> calls) {
+                                              boolean observerWantsSelfNotifications, int flags,
+                                              int targetUserHandle, ArrayList<ObserverCall> calls) {
             int N = mObservers.size();
             IBinder observerBinder = observer == null ? null : observer.asBinder();
             for (int i = 0; i < N; i++) {
@@ -1329,9 +1328,29 @@
                         || entry.userHandle == UserHandle.USER_ALL
                         || targetUserHandle == entry.userHandle) {
                     // Make sure the observer is interested in the notification
-                    if (leaf || (!leaf && entry.notifyForDescendants)) {
-                        calls.add(new ObserverCall(this, entry.observer, selfChange));
+                    if (leaf) {
+                        // If we are at the leaf: we always report, unless the sender has asked
+                        // to skip observers that are notifying for descendants (since they will
+                        // be sending another more specific URI for them).
+                        if ((flags&ContentResolver.NOTIFY_SKIP_NOTIFY_FOR_DESCENDANTS) != 0
+                                && entry.notifyForDescendants) {
+                            if (DEBUG) Slog.d(TAG, "Skipping " + entry.observer
+                                    + ": skip notify for descendants");
+                            continue;
+                        }
+                    } else {
+                        // If we are not at the leaf: we report if the observer says it wants
+                        // to be notified for all descendants.
+                        if (!entry.notifyForDescendants) {
+                            if (DEBUG) Slog.d(TAG, "Skipping " + entry.observer
+                                    + ": not monitor descendants");
+                            continue;
+                        }
                     }
+                    if (DEBUG) Slog.d(TAG, "Reporting to " + entry.observer + ": leaf=" + leaf
+                            + " flags=" + Integer.toHexString(flags)
+                            + " desc=" + entry.notifyForDescendants);
+                    calls.add(new ObserverCall(this, entry.observer, selfChange));
                 }
             }
         }
@@ -1340,19 +1359,22 @@
          * targetUserHandle is either a hard user handle or is USER_ALL
          */
         public void collectObserversLocked(Uri uri, int index, IContentObserver observer,
-                                           boolean observerWantsSelfNotifications, int targetUserHandle,
-                                           ArrayList<ObserverCall> calls) {
+                                           boolean observerWantsSelfNotifications, int flags,
+                                           int targetUserHandle, ArrayList<ObserverCall> calls) {
             String segment = null;
             int segmentCount = countUriSegments(uri);
             if (index >= segmentCount) {
                 // This is the leaf node, notify all observers
+                if (DEBUG) Slog.d(TAG, "Collecting leaf observers @ #" + index + ", node " + mName);
                 collectMyObserversLocked(true, observer, observerWantsSelfNotifications,
-                        targetUserHandle, calls);
+                        flags, targetUserHandle, calls);
             } else if (index < segmentCount){
                 segment = getUriSegment(uri, index);
+                if (DEBUG) Slog.d(TAG, "Collecting non-leaf observers @ #" + index + " / "
+                        + segment);
                 // Notify any observers at this level who are interested in descendants
                 collectMyObserversLocked(false, observer, observerWantsSelfNotifications,
-                        targetUserHandle, calls);
+                        flags, targetUserHandle, calls);
             }
 
             int N = mChildren.size();
@@ -1360,8 +1382,8 @@
                 ObserverNode node = mChildren.get(i);
                 if (segment == null || node.mName.equals(segment)) {
                     // We found the child,
-                    node.collectObserversLocked(uri, index + 1,
-                            observer, observerWantsSelfNotifications, targetUserHandle, calls);
+                    node.collectObserversLocked(uri, index + 1, observer,
+                            observerWantsSelfNotifications, flags, targetUserHandle, calls);
                     if (segment != null) {
                         break;
                     }
diff --git a/services/core/java/com/android/server/content/SyncManager.java b/services/core/java/com/android/server/content/SyncManager.java
index e5342ce..db41a54 100644
--- a/services/core/java/com/android/server/content/SyncManager.java
+++ b/services/core/java/com/android/server/content/SyncManager.java
@@ -1402,12 +1402,24 @@
         }
     }
 
+    private void restoreLostPeriodicSyncsIfNeeded(int userId) {
+        List<SyncOperation> periodicSyncs = new ArrayList<SyncOperation>();
+        for (SyncOperation sync : getAllPendingSyncs()) {
+            if (sync.isPeriodic && sync.target.userId == userId) {
+                periodicSyncs.add(sync);
+            }
+        }
+        mSyncStorageEngine.restorePeriodicSyncsIfNeededForUser(userId, periodicSyncs);
+    }
+
     private void onUserUnlocked(int userId) {
         // Make sure that accounts we're about to use are valid.
         AccountManagerService.getSingleton().validateAccounts(userId);
 
         mSyncAdapters.invalidateCache(userId);
 
+        restoreLostPeriodicSyncsIfNeeded(userId);
+
         EndPoint target = new EndPoint(null, null, userId);
         updateRunningAccounts(target);
 
@@ -2578,9 +2590,11 @@
                 }
             }
 
+            // Cancel all jobs from non-existent accounts.
+            AccountAndUser[] allAccounts = AccountManagerService.getSingleton().getAllAccounts();
             List<SyncOperation> ops = getAllPendingSyncs();
             for (SyncOperation op: ops) {
-                if (!containsAccountAndUser(accounts, op.target.account, op.target.userId)) {
+                if (!containsAccountAndUser(allAccounts, op.target.account, op.target.userId)) {
                     getJobScheduler().cancel(op.jobId);
                 }
             }
diff --git a/services/core/java/com/android/server/content/SyncStorageEngine.java b/services/core/java/com/android/server/content/SyncStorageEngine.java
index bc3fc6a..fb23265 100644
--- a/services/core/java/com/android/server/content/SyncStorageEngine.java
+++ b/services/core/java/com/android/server/content/SyncStorageEngine.java
@@ -826,6 +826,35 @@
         return true;
     }
 
+    /**
+     * STOPSHIP This is a temporary workaround and should be removed before shipping: b/28052438
+     */
+    void restorePeriodicSyncsIfNeededForUser(int userHandle, List<SyncOperation> periodicSyncs) {
+        if (mPeriodicSyncAddedListener == null) {
+            return;
+        }
+        synchronized (mAuthorities) {
+            for (int i = 0; i < mAuthorities.size(); i++) {
+                AuthorityInfo authority = mAuthorities.valueAt(i);
+                if (authority.target.userId == userHandle && authority.enabled) {
+                    boolean periodicSyncAlreadyExists = false;
+                    for (SyncOperation sync : periodicSyncs) {
+                        if (authority.target.matchesSpec(sync.target)) {
+                            periodicSyncAlreadyExists = true;
+                            break;
+                        }
+                    }
+                    // The periodic sync must have been lost due to previous bug.
+                    if (!periodicSyncAlreadyExists) {
+                        mPeriodicSyncAddedListener.onPeriodicSyncAdded(authority.target,
+                                new Bundle(), DEFAULT_POLL_FREQUENCY_SECONDS,
+                                calculateDefaultFlexTime(DEFAULT_POLL_FREQUENCY_SECONDS));
+                    }
+                }
+            }
+        }
+    }
+
     public void setMasterSyncAutomatically(boolean flag, int userId) {
         synchronized (mAuthorities) {
             Boolean auto = mMasterSyncAutomatically.get(userId);
diff --git a/services/core/java/com/android/server/fingerprint/FingerprintService.java b/services/core/java/com/android/server/fingerprint/FingerprintService.java
index 7b134ca..3d8bf51 100644
--- a/services/core/java/com/android/server/fingerprint/FingerprintService.java
+++ b/services/core/java/com/android/server/fingerprint/FingerprintService.java
@@ -107,6 +107,7 @@
     private static final int FINGERPRINT_ACQUIRED_GOOD = 0;
     private final String mKeyguardPackage;
     private int mCurrentUserId = UserHandle.USER_CURRENT;
+    private int mUserIdForRemove = UserHandle.USER_NULL;
 
     Handler mHandler = new Handler() {
         @Override
@@ -205,10 +206,12 @@
     protected void handleRemoved(long deviceId, int fingerId, int groupId) {
         final ClientMonitor client = mRemoveClient;
         if (fingerId != 0) {
-            removeTemplateForUser(mRemoveClient, fingerId);
+            removeTemplateForUser(mUserIdForRemove, fingerId);
+        } else {
+            mUserIdForRemove = UserHandle.USER_NULL;
         }
         if (client != null && client.sendRemoved(fingerId, groupId)) {
-            removeClient(mRemoveClient);
+            removeClient(client);
         }
     }
 
@@ -325,8 +328,8 @@
         return false;
     }
 
-    private void removeTemplateForUser(ClientMonitor clientMonitor, int fingerId) {
-        mFingerprintUtils.removeFingerprintIdForUser(mContext, fingerId, clientMonitor.userId);
+    private void removeTemplateForUser(int userId, int fingerId) {
+        mFingerprintUtils.removeFingerprintIdForUser(mContext, fingerId, userId);
     }
 
     private void addTemplateForUser(ClientMonitor clientMonitor, int fingerId) {
@@ -488,6 +491,7 @@
 
         stopPendingOperations(true);
         mRemoveClient = new ClientMonitor(token, receiver, userId, restricted, token.toString());
+        mUserIdForRemove = mCurrentUserId;
         // The fingerprint template ids will be removed when we get confirmation from the HAL
         try {
             final int result = daemon.remove(fingerId, userId);
@@ -943,10 +947,6 @@
                 if (DEBUG) Slog.v(TAG, "authenticate(): reject " + opPackageName);
                 return;
             }
-
-            // Group ID is arbitrarily set to parent profile user ID. It just represents
-            // the default fingerprints for the user.
-            final int effectiveGroupId = getEffectiveUserId(groupId);
             final int realUserId = Binder.getCallingUid();
 
             final boolean restricted = isRestricted();
@@ -954,7 +954,7 @@
                 @Override
                 public void run() {
                     MetricsLogger.histogram(mContext, "fingerprint_token", opId != 0L ? 1 : 0);
-                    startAuthentication(token, opId, realUserId, effectiveGroupId, receiver,
+                    startAuthentication(token, opId, realUserId, groupId, receiver,
                             flags, restricted, opPackageName);
                 }
             });
@@ -989,14 +989,10 @@
                 final IFingerprintServiceReceiver receiver) {
             checkPermission(MANAGE_FINGERPRINT); // TODO: Maybe have another permission
             final boolean restricted = isRestricted();
-
-            // Group ID is arbitrarily set to parent profile user ID. It just represents
-            // the default fingerprints for the user.
-            final int effectiveGroupId = getEffectiveUserId(groupId);
             mHandler.post(new Runnable() {
                 @Override
                 public void run() {
-                    startRemove(token, fingerId, effectiveGroupId, receiver, restricted);
+                    startRemove(token, fingerId, groupId, receiver, restricted);
                 }
             });
 
diff --git a/services/core/java/com/android/server/input/InputManagerService.java b/services/core/java/com/android/server/input/InputManagerService.java
index e73beaa..c7c765bb 100644
--- a/services/core/java/com/android/server/input/InputManagerService.java
+++ b/services/core/java/com/android/server/input/InputManagerService.java
@@ -200,6 +200,7 @@
     private static native int nativeInjectInputEvent(long ptr, InputEvent event, int displayId,
             int injectorPid, int injectorUid, int syncMode, int timeoutMillis,
             int policyFlags);
+    private static native void nativeToggleCapsLock(long ptr, int deviceId);
     private static native void nativeSetInputWindows(long ptr, InputWindowHandle[] windowHandles);
     private static native void nativeSetInputDispatchMode(long ptr, boolean enabled, boolean frozen);
     private static native void nativeSetSystemUiVisibility(long ptr, int visibility);
@@ -2279,5 +2280,10 @@
             mHandler.obtainMessage(MSG_INPUT_METHOD_SUBTYPE_CHANGED, userId, 0, someArgs)
                     .sendToTarget();
         }
+
+        @Override
+        public void toggleCapsLock(int deviceId) {
+            nativeToggleCapsLock(mPtr, deviceId);
+        }
     }
 }
diff --git a/services/core/java/com/android/server/job/JobSchedulerService.java b/services/core/java/com/android/server/job/JobSchedulerService.java
index fa8620f..b235002 100644
--- a/services/core/java/com/android/server/job/JobSchedulerService.java
+++ b/services/core/java/com/android/server/job/JobSchedulerService.java
@@ -304,7 +304,7 @@
 
             toCancel = mJobs.getJobByUidAndJobId(uId, job.getId());
             if (toCancel != null) {
-                cancelJobImpl(toCancel);
+                cancelJobImpl(toCancel, jobStatus);
             }
             startTrackingJob(jobStatus, toCancel);
         }
@@ -331,7 +331,7 @@
         }
         for (int i=0; i<jobsForUser.size(); i++) {
             JobStatus toRemove = jobsForUser.get(i);
-            cancelJobImpl(toRemove);
+            cancelJobImpl(toRemove, null);
         }
     }
 
@@ -360,7 +360,7 @@
                 } catch (RemoteException e) {
                 }
             }
-            cancelJobImpl(toRemove);
+            cancelJobImpl(toRemove, null);
         }
     }
 
@@ -377,13 +377,13 @@
             toCancel = mJobs.getJobByUidAndJobId(uid, jobId);
         }
         if (toCancel != null) {
-            cancelJobImpl(toCancel);
+            cancelJobImpl(toCancel, null);
         }
     }
 
-    private void cancelJobImpl(JobStatus cancelled) {
+    private void cancelJobImpl(JobStatus cancelled, JobStatus incomingJob) {
         if (DEBUG) Slog.d(TAG, "CANCEL: " + cancelled.toShortString());
-        stopTrackingJob(cancelled, true /* writeBack */);
+        stopTrackingJob(cancelled, incomingJob, true /* writeBack */);
         synchronized (mLock) {
             // Remove from pending queue.
             mPendingJobs.remove(cancelled);
@@ -549,7 +549,7 @@
                 for (int i = 0; i < mControllers.size(); i++) {
                     StateController controller = mControllers.get(i);
                     if (update) {
-                        controller.maybeStopTrackingJobLocked(jobStatus, true);
+                        controller.maybeStopTrackingJobLocked(jobStatus, null, true);
                     }
                     controller.maybeStartTrackingJobLocked(jobStatus, lastJob);
                 }
@@ -561,14 +561,15 @@
      * Called when we want to remove a JobStatus object that we've finished executing. Returns the
      * object removed.
      */
-    private boolean stopTrackingJob(JobStatus jobStatus, boolean writeBack) {
+    private boolean stopTrackingJob(JobStatus jobStatus, JobStatus incomingJob,
+            boolean writeBack) {
         synchronized (mLock) {
             // Remove from store as well as controllers.
             final boolean removed = mJobs.remove(jobStatus, writeBack);
             if (removed && mReadyToRock) {
                 for (int i=0; i<mControllers.size(); i++) {
                     StateController controller = mControllers.get(i);
-                    controller.maybeStopTrackingJobLocked(jobStatus, false);
+                    controller.maybeStopTrackingJobLocked(jobStatus, incomingJob, false);
                 }
             }
             return removed;
@@ -696,7 +697,7 @@
         }
         // Do not write back immediately if this is a periodic job. The job may get lost if system
         // shuts down before it is added back.
-        if (!stopTrackingJob(jobStatus, !jobStatus.getJob().isPeriodic())) {
+        if (!stopTrackingJob(jobStatus, null, !jobStatus.getJob().isPeriodic())) {
             if (DEBUG) {
                 Slog.d(TAG, "Could not find job to remove. Was job removed while executing?");
             }
@@ -780,7 +781,7 @@
                     }
                     break;
                 case MSG_STOP_JOB:
-                    cancelJobImpl((JobStatus)message.obj);
+                    cancelJobImpl((JobStatus)message.obj, null);
                     break;
             }
             maybeRunPendingJobsH();
diff --git a/services/core/java/com/android/server/job/controllers/AppIdleController.java b/services/core/java/com/android/server/job/controllers/AppIdleController.java
index 2114fc3..d8490d4 100644
--- a/services/core/java/com/android/server/job/controllers/AppIdleController.java
+++ b/services/core/java/com/android/server/job/controllers/AppIdleController.java
@@ -77,7 +77,7 @@
     }
 
     @Override
-    public void maybeStopTrackingJobLocked(JobStatus jobStatus, boolean forUpdate) {
+    public void maybeStopTrackingJobLocked(JobStatus jobStatus, JobStatus incomingJob, boolean forUpdate) {
         mTrackedTasks.remove(jobStatus);
     }
 
diff --git a/services/core/java/com/android/server/job/controllers/BatteryController.java b/services/core/java/com/android/server/job/controllers/BatteryController.java
index ac9f425..0772364 100644
--- a/services/core/java/com/android/server/job/controllers/BatteryController.java
+++ b/services/core/java/com/android/server/job/controllers/BatteryController.java
@@ -87,7 +87,7 @@
     }
 
     @Override
-    public void maybeStopTrackingJobLocked(JobStatus taskStatus, boolean forUpdate) {
+    public void maybeStopTrackingJobLocked(JobStatus taskStatus, JobStatus incomingJob, boolean forUpdate) {
         if (taskStatus.hasChargingConstraint()) {
             mTrackedTasks.remove(taskStatus);
         }
diff --git a/services/core/java/com/android/server/job/controllers/ConnectivityController.java b/services/core/java/com/android/server/job/controllers/ConnectivityController.java
index 6ef425a..5ad8189 100644
--- a/services/core/java/com/android/server/job/controllers/ConnectivityController.java
+++ b/services/core/java/com/android/server/job/controllers/ConnectivityController.java
@@ -92,7 +92,7 @@
     }
 
     @Override
-    public void maybeStopTrackingJobLocked(JobStatus jobStatus, boolean forUpdate) {
+    public void maybeStopTrackingJobLocked(JobStatus jobStatus, JobStatus incomingJob, boolean forUpdate) {
         if (jobStatus.hasConnectivityConstraint() || jobStatus.hasUnmeteredConstraint()) {
             mTrackedJobs.remove(jobStatus);
         }
diff --git a/services/core/java/com/android/server/job/controllers/ContentObserverController.java b/services/core/java/com/android/server/job/controllers/ContentObserverController.java
index c5cf30f..b2f1958 100644
--- a/services/core/java/com/android/server/job/controllers/ContentObserverController.java
+++ b/services/core/java/com/android/server/job/controllers/ContentObserverController.java
@@ -84,17 +84,8 @@
             boolean havePendingUris = false;
             // If there is a previous job associated with the new job, propagate over
             // any pending content URI trigger reports.
-            if (lastJob != null && lastJob.contentObserverJobInstance != null
-                    && lastJob.contentObserverJobInstance
-                    != taskStatus.contentObserverJobInstance
-                    && lastJob.contentObserverJobInstance.mChangedAuthorities != null) {
+            if (taskStatus.contentObserverJobInstance.mChangedAuthorities != null) {
                 havePendingUris = true;
-                taskStatus.contentObserverJobInstance.mChangedAuthorities
-                        = lastJob.contentObserverJobInstance.mChangedAuthorities;
-                taskStatus.contentObserverJobInstance.mChangedUris
-                        = lastJob.contentObserverJobInstance.mChangedUris;
-                lastJob.contentObserverJobInstance.mChangedAuthorities = null;
-                lastJob.contentObserverJobInstance.mChangedUris = null;
             }
             // If we have previously reported changed authorities/uris, then we failed
             // to complete the job with them so will re-record them to report again.
@@ -138,15 +129,34 @@
     }
 
     @Override
-    public void maybeStopTrackingJobLocked(JobStatus taskStatus, boolean forUpdate) {
+    public void maybeStopTrackingJobLocked(JobStatus taskStatus, JobStatus incomingJob,
+            boolean forUpdate) {
         if (taskStatus.hasContentTriggerConstraint()) {
-            if (!forUpdate) {
-                // We won't do this reset if being called for an update, because
-                // we know it will be immediately followed by maybeStartTrackingJobLocked...
-                // and we don't want to lose any content changes in-between.
-                if (taskStatus.contentObserverJobInstance != null) {
-                    taskStatus.contentObserverJobInstance.detach();
-                    taskStatus.contentObserverJobInstance = null;
+            if (taskStatus.contentObserverJobInstance != null) {
+                if (incomingJob != null && taskStatus.contentObserverJobInstance != null
+                        && taskStatus.contentObserverJobInstance.mChangedAuthorities != null) {
+                    // We are stopping this job, but it is going to be replaced by this given
+                    // incoming job.  We want to propagate our state over to it, so we don't
+                    // lose any content changes that had happend since the last one started.
+                    // If there is a previous job associated with the new job, propagate over
+                    // any pending content URI trigger reports.
+                    if (incomingJob.contentObserverJobInstance == null) {
+                        incomingJob.contentObserverJobInstance = new JobInstance(incomingJob);
+                    }
+                    incomingJob.contentObserverJobInstance.mChangedAuthorities
+                            = taskStatus.contentObserverJobInstance.mChangedAuthorities;
+                    incomingJob.contentObserverJobInstance.mChangedUris
+                            = taskStatus.contentObserverJobInstance.mChangedUris;
+                    taskStatus.contentObserverJobInstance.mChangedAuthorities = null;
+                    taskStatus.contentObserverJobInstance.mChangedUris = null;
+                } else {
+                    // We won't do this reset if being called for an update, because
+                    // we know it will be immediately followed by maybeStartTrackingJobLocked...
+                    // and we don't want to lose any content changes in-between.
+                    if (taskStatus.contentObserverJobInstance != null) {
+                        taskStatus.contentObserverJobInstance.detach();
+                        taskStatus.contentObserverJobInstance = null;
+                    }
                 }
             }
             mTrackedTasks.remove(taskStatus);
diff --git a/services/core/java/com/android/server/job/controllers/DeviceIdleJobsController.java b/services/core/java/com/android/server/job/controllers/DeviceIdleJobsController.java
index d2ef6a2..64887e8 100644
--- a/services/core/java/com/android/server/job/controllers/DeviceIdleJobsController.java
+++ b/services/core/java/com/android/server/job/controllers/DeviceIdleJobsController.java
@@ -166,7 +166,7 @@
     }
 
     @Override
-    public void maybeStopTrackingJobLocked(JobStatus jobStatus, boolean forUpdate) {
+    public void maybeStopTrackingJobLocked(JobStatus jobStatus, JobStatus incomingJob, boolean forUpdate) {
         mTrackedTasks.remove(jobStatus);
     }
 
diff --git a/services/core/java/com/android/server/job/controllers/IdleController.java b/services/core/java/com/android/server/job/controllers/IdleController.java
index d9eb45c..50aa882 100644
--- a/services/core/java/com/android/server/job/controllers/IdleController.java
+++ b/services/core/java/com/android/server/job/controllers/IdleController.java
@@ -75,7 +75,7 @@
     }
 
     @Override
-    public void maybeStopTrackingJobLocked(JobStatus taskStatus, boolean forUpdate) {
+    public void maybeStopTrackingJobLocked(JobStatus taskStatus, JobStatus incomingJob, boolean forUpdate) {
         mTrackedTasks.remove(taskStatus);
     }
 
diff --git a/services/core/java/com/android/server/job/controllers/StateController.java b/services/core/java/com/android/server/job/controllers/StateController.java
index ac7f4c3f..0139039 100644
--- a/services/core/java/com/android/server/job/controllers/StateController.java
+++ b/services/core/java/com/android/server/job/controllers/StateController.java
@@ -56,7 +56,8 @@
     /**
      * Remove task - this will happen if the task is cancelled, completed, etc.
      */
-    public abstract void maybeStopTrackingJobLocked(JobStatus jobStatus, boolean forUpdate);
+    public abstract void maybeStopTrackingJobLocked(JobStatus jobStatus, JobStatus incomingJob,
+            boolean forUpdate);
     /**
      * Called when a new job is being created to reschedule an old failed job.
      */
diff --git a/services/core/java/com/android/server/job/controllers/TimeController.java b/services/core/java/com/android/server/job/controllers/TimeController.java
index 3543249..ab6768e 100644
--- a/services/core/java/com/android/server/job/controllers/TimeController.java
+++ b/services/core/java/com/android/server/job/controllers/TimeController.java
@@ -74,7 +74,7 @@
     @Override
     public void maybeStartTrackingJobLocked(JobStatus job, JobStatus lastJob) {
         if (job.hasTimingDelayConstraint() || job.hasDeadlineConstraint()) {
-            maybeStopTrackingJobLocked(job, false);
+            maybeStopTrackingJobLocked(job, null, false);
             boolean isInsert = false;
             ListIterator<JobStatus> it = mTrackedJobs.listIterator(mTrackedJobs.size());
             while (it.hasPrevious()) {
@@ -101,7 +101,7 @@
      * Really an == comparison should be enough, but why play with fate? We'll do <=.
      */
     @Override
-    public void maybeStopTrackingJobLocked(JobStatus job, boolean forUpdate) {
+    public void maybeStopTrackingJobLocked(JobStatus job, JobStatus incomingJob, boolean forUpdate) {
         if (mTrackedJobs.remove(job)) {
             checkExpiredDelaysAndResetAlarm();
             checkExpiredDeadlinesAndResetAlarm();
diff --git a/services/core/java/com/android/server/lights/LightsService.java b/services/core/java/com/android/server/lights/LightsService.java
index 257c7da..5953dde 100644
--- a/services/core/java/com/android/server/lights/LightsService.java
+++ b/services/core/java/com/android/server/lights/LightsService.java
@@ -18,12 +18,17 @@
 
 import com.android.server.SystemService;
 import com.android.server.vr.VrManagerInternal;
+import com.android.server.vr.VrManagerService;
 import com.android.server.vr.VrStateListener;
 
 import android.content.Context;
 import android.os.Handler;
+import android.os.IBinder;
 import android.os.Message;
+import android.os.RemoteException;
 import android.os.Trace;
+import android.service.vr.IVrManager;
+import android.service.vr.IVrStateCallbacks;
 import android.util.Slog;
 
 public class LightsService extends SystemService {
@@ -164,13 +169,19 @@
     @Override
     public void onBootPhase(int phase) {
         if (phase == PHASE_SYSTEM_SERVICES_READY) {
-            getLocalService(VrManagerInternal.class).registerListener(mVrStateListener);
+            IVrManager vrManager =
+                    (IVrManager) getBinderService(VrManagerService.VR_MANAGER_BINDER_SERVICE);
+            try {
+                vrManager.registerListener(mVrStateCallbacks);
+            } catch (RemoteException e) {
+                Slog.e(TAG, "Failed to register VR mode state listener: " + e);
+            }
         }
     }
 
-    private final VrStateListener mVrStateListener = new VrStateListener() {
+    private final IVrStateCallbacks mVrStateCallbacks = new IVrStateCallbacks.Stub() {
         @Override
-        public void onVrStateChanged(boolean enabled) {
+        public void onVrStateChanged(boolean enabled) throws RemoteException {
             LightImpl l = mLights[LightsManager.LIGHT_ID_BACKLIGHT];
             if (enabled) {
                 if (DEBUG) Slog.v(TAG, "VR mode enabled, setting brightness to low persistence");
diff --git a/services/core/java/com/android/server/location/GnssLocationProvider.java b/services/core/java/com/android/server/location/GnssLocationProvider.java
index e08fad4..6b916be 100644
--- a/services/core/java/com/android/server/location/GnssLocationProvider.java
+++ b/services/core/java/com/android/server/location/GnssLocationProvider.java
@@ -39,7 +39,7 @@
 import android.location.IGnssStatusListener;
 import android.location.IGnssStatusProvider;
 import android.location.GnssMeasurementsEvent;
-import android.location.GnssNavigationMessageEvent;
+import android.location.GnssNavigationMessage;
 import android.location.IGpsGeofenceHardware;
 import android.location.ILocationManager;
 import android.location.INetInitiatedListener;
@@ -1662,7 +1662,7 @@
     /**
      * called from native code - GPS navigation message callback
      */
-    private void reportNavigationMessage(GnssNavigationMessageEvent event) {
+    private void reportNavigationMessage(GnssNavigationMessage event) {
         mGnssNavigationMessageProvider.onNavigationMessageAvailable(event);
     }
 
diff --git a/services/core/java/com/android/server/location/GnssMeasurementsProvider.java b/services/core/java/com/android/server/location/GnssMeasurementsProvider.java
index 734a8d4..caf1d6c 100644
--- a/services/core/java/com/android/server/location/GnssMeasurementsProvider.java
+++ b/services/core/java/com/android/server/location/GnssMeasurementsProvider.java
@@ -64,15 +64,15 @@
         int status;
         switch (result) {
             case RESULT_SUCCESS:
-                status = GnssMeasurementsEvent.STATUS_READY;
+                status = GnssMeasurementsEvent.Callback.STATUS_READY;
                 break;
             case RESULT_NOT_AVAILABLE:
             case RESULT_NOT_SUPPORTED:
             case RESULT_INTERNAL_ERROR:
-                status = GnssMeasurementsEvent.STATUS_NOT_SUPPORTED;
+                status = GnssMeasurementsEvent.Callback.STATUS_NOT_SUPPORTED;
                 break;
             case RESULT_GPS_LOCATION_DISABLED:
-                status = GnssMeasurementsEvent.STATUS_GNSS_LOCATION_DISABLED;
+                status = GnssMeasurementsEvent.Callback.STATUS_LOCATION_DISABLED;
                 break;
             case RESULT_UNKNOWN:
                 return null;
diff --git a/services/core/java/com/android/server/location/GnssNavigationMessageProvider.java b/services/core/java/com/android/server/location/GnssNavigationMessageProvider.java
index fdef31f..8d21928 100644
--- a/services/core/java/com/android/server/location/GnssNavigationMessageProvider.java
+++ b/services/core/java/com/android/server/location/GnssNavigationMessageProvider.java
@@ -16,7 +16,7 @@
 
 package com.android.server.location;
 
-import android.location.GnssNavigationMessageEvent;
+import android.location.GnssNavigationMessage;
 import android.location.IGnssNavigationMessageListener;
 import android.os.Handler;
 import android.os.RemoteException;
@@ -37,7 +37,7 @@
         super(handler, TAG);
     }
 
-    public void onNavigationMessageAvailable(final GnssNavigationMessageEvent event) {
+    public void onNavigationMessageAvailable(final GnssNavigationMessage event) {
         ListenerOperation<IGnssNavigationMessageListener> operation =
                 new ListenerOperation<IGnssNavigationMessageListener>() {
                     @Override
@@ -65,16 +65,15 @@
         int status;
         switch (result) {
             case RESULT_SUCCESS:
-                status = GnssNavigationMessageEvent.STATUS_READY;
+                status = GnssNavigationMessage.Callback.STATUS_READY;
                 break;
             case RESULT_NOT_AVAILABLE:
             case RESULT_NOT_SUPPORTED:
             case RESULT_INTERNAL_ERROR:
-                status = GnssNavigationMessageEvent.STATUS_NOT_SUPPORTED;
+                status = GnssNavigationMessage.Callback.STATUS_NOT_SUPPORTED;
                 break;
             case RESULT_GPS_LOCATION_DISABLED:
-                status = GnssNavigationMessageEvent
-                        .STATUS_GNSS_LOCATION_DISABLED;
+                status = GnssNavigationMessage.Callback.STATUS_LOCATION_DISABLED;
                 break;
             case RESULT_UNKNOWN:
                 return null;
diff --git a/services/core/java/com/android/server/pm/PackageInstallerSession.java b/services/core/java/com/android/server/pm/PackageInstallerSession.java
index ef53905..6cdc40f 100644
--- a/services/core/java/com/android/server/pm/PackageInstallerSession.java
+++ b/services/core/java/com/android/server/pm/PackageInstallerSession.java
@@ -81,6 +81,7 @@
 import java.io.FileDescriptor;
 import java.io.FileFilter;
 import java.io.IOException;
+import java.security.cert.Certificate;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
@@ -151,6 +152,7 @@
     private String mPackageName;
     private int mVersionCode;
     private Signature[] mSignatures;
+    private Certificate[][] mCertificates;
 
     /**
      * Path to the validated base APK for this session, which may point at an
@@ -633,7 +635,7 @@
 
         mRelinquished = true;
         mPm.installStage(mPackageName, stageDir, stageCid, localObserver, params,
-                installerPackageName, installerUid, user);
+                installerPackageName, installerUid, user, mCertificates);
     }
 
     /**
@@ -695,6 +697,7 @@
             }
             if (mSignatures == null) {
                 mSignatures = apk.signatures;
+                mCertificates = apk.certificates;
             }
 
             assertApkConsistent(String.valueOf(addedFile), apk);
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index fbf4c0c..a6fce51 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -110,6 +110,7 @@
 import android.app.admin.IDevicePolicyManager;
 import android.app.admin.SecurityLog;
 import android.app.backup.IBackupManager;
+import android.app.usage.UsageStatsManager;
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
 import android.content.Context;
@@ -277,6 +278,7 @@
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.security.PublicKey;
+import java.security.cert.Certificate;
 import java.security.cert.CertificateEncodingException;
 import java.security.cert.CertificateException;
 import java.text.SimpleDateFormat;
@@ -7005,11 +7007,28 @@
             pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this);
         }
 
+        UsageStatsManager usageMgr =
+                (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE);
+
         int curr = 0;
         int total = pkgs.size();
         for (PackageParser.Package pkg : pkgs) {
             curr++;
 
+            if (!PackageDexOptimizer.canOptimizePackage(pkg)) {
+                if (DEBUG_DEXOPT) {
+                    Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName);
+                }
+                continue;
+            }
+
+            if (!causeFirstBoot && usageMgr.isAppInactive(pkg.packageName)) {
+                if (DEBUG_DEXOPT) {
+                    Log.i(TAG, "Skipping update of of idle app " + pkg.packageName);
+                }
+                continue;
+            }
+
             if (DEBUG_DEXOPT) {
                 Log.i(TAG, "Extracting app " + curr + " of " + total + ": " + pkg.packageName);
             }
@@ -7023,16 +7042,11 @@
                 }
             }
 
-            if (PackageDexOptimizer.canOptimizePackage(pkg)) {
-                // If the cache was pruned, any compiled odex files will likely be out of date
-                // and would have to be patched (would be SELF_PATCHOAT, which is deprecated).
-                // Instead, force the extraction in this case.
-                performDexOpt(pkg.packageName,
-                        null /* instructionSet */,
-                        false /* checkProfiles */,
-                        causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT,
-                        false /* force */);
-            }
+            performDexOpt(pkg.packageName,
+                    null /* instructionSet */,
+                    false /* checkProfiles */,
+                    causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT,
+                    false /* force */);
         }
     }
 
@@ -10964,7 +10978,8 @@
                 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid);
         final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer,
                 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user,
-                null /*packageAbiOverride*/, null /*grantedPermissions*/);
+                null /*packageAbiOverride*/, null /*grantedPermissions*/,
+                null /*certificates*/);
         params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params));
         msg.obj = params;
 
@@ -10978,7 +10993,8 @@
 
     void installStage(String packageName, File stagedDir, String stagedCid,
             IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams,
-            String installerPackageName, int installerUid, UserHandle user) {
+            String installerPackageName, int installerUid, UserHandle user,
+            Certificate[][] certificates) {
         if (DEBUG_EPHEMERAL) {
             if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) {
                 Slog.d(TAG, "Ephemeral install of " + packageName);
@@ -10999,7 +11015,7 @@
         final InstallParams params = new InstallParams(origin, null, observer,
                 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid,
                 verificationInfo, user, sessionParams.abiOverride,
-                sessionParams.grantedRuntimePermissions);
+                sessionParams.grantedRuntimePermissions, certificates);
         params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params));
         msg.obj = params;
 
@@ -12094,11 +12110,12 @@
         final String packageAbiOverride;
         final String[] grantedRuntimePermissions;
         final VerificationInfo verificationInfo;
+        final Certificate[][] certificates;
 
         InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer,
                 int installFlags, String installerPackageName, String volumeUuid,
                 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride,
-                String[] grantedPermissions) {
+                String[] grantedPermissions, Certificate[][] certificates) {
             super(user);
             this.origin = origin;
             this.move = move;
@@ -12109,6 +12126,7 @@
             this.verificationInfo = verificationInfo;
             this.packageAbiOverride = packageAbiOverride;
             this.grantedRuntimePermissions = grantedPermissions;
+            this.certificates = certificates;
         }
 
         @Override
@@ -12577,6 +12595,7 @@
         /** If non-null, drop an async trace when the install completes */
         final String traceMethod;
         final int traceCookie;
+        final Certificate[][] certificates;
 
         // The list of instruction sets supported by this app. This is currently
         // only used during the rmdex() phase to clean up resources. We can get rid of this
@@ -12587,7 +12606,7 @@
                 int installFlags, String installerPackageName, String volumeUuid,
                 UserHandle user, String[] instructionSets,
                 String abiOverride, String[] installGrantPermissions,
-                String traceMethod, int traceCookie) {
+                String traceMethod, int traceCookie, Certificate[][] certificates) {
             this.origin = origin;
             this.move = move;
             this.installFlags = installFlags;
@@ -12600,6 +12619,7 @@
             this.installGrantPermissions = installGrantPermissions;
             this.traceMethod = traceMethod;
             this.traceCookie = traceCookie;
+            this.certificates = certificates;
         }
 
         abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException;
@@ -12692,9 +12712,9 @@
         FileInstallArgs(InstallParams params) {
             super(params.origin, params.move, params.observer, params.installFlags,
                     params.installerPackageName, params.volumeUuid,
-                    params.getUser(), null /* instruction sets */, params.packageAbiOverride,
+                    params.getUser(), null /*instructionSets*/, params.packageAbiOverride,
                     params.grantedRuntimePermissions,
-                    params.traceMethod, params.traceCookie);
+                    params.traceMethod, params.traceCookie, params.certificates);
             if (isFwdLocked()) {
                 throw new IllegalArgumentException("Forward locking only supported in ASEC");
             }
@@ -12703,7 +12723,7 @@
         /** Existing install */
         FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) {
             super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets,
-                    null, null, null, 0);
+                    null, null, null, 0, null /*certificates*/);
             this.codeFile = (codePath != null) ? new File(codePath) : null;
             this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null;
         }
@@ -12928,15 +12948,15 @@
                     params.installerPackageName, params.volumeUuid,
                     params.getUser(), null /* instruction sets */, params.packageAbiOverride,
                     params.grantedRuntimePermissions,
-                    params.traceMethod, params.traceCookie);
+                    params.traceMethod, params.traceCookie, params.certificates);
         }
 
         /** Existing install */
         AsecInstallArgs(String fullCodePath, String[] instructionSets,
                         boolean isExternal, boolean isForwardLocked) {
             super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0)
-                    | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null,
-                    instructionSets, null, null, null, 0);
+              | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null,
+                    instructionSets, null, null, null, 0, null /*certificates*/);
             // Hackily pretend we're still looking at a full code path
             if (!fullCodePath.endsWith(RES_FILE_NAME)) {
                 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath();
@@ -12952,8 +12972,8 @@
 
         AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) {
             super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0)
-                    | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null,
-                    instructionSets, null, null, null, 0);
+              | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null,
+                    instructionSets, null, null, null, 0, null /*certificates*/);
             this.cid = cid;
             setMountPath(PackageHelper.getSdDir(cid));
         }
@@ -13222,7 +13242,7 @@
                     params.installerPackageName, params.volumeUuid,
                     params.getUser(), null /* instruction sets */, params.packageAbiOverride,
                     params.grantedRuntimePermissions,
-                    params.traceMethod, params.traceCookie);
+                    params.traceMethod, params.traceCookie, params.certificates);
         }
 
         int copyApk(IMediaContainerService imcs, boolean temp) {
@@ -14261,7 +14281,18 @@
         }
 
         try {
-            PackageParser.collectCertificates(pkg, parseFlags);
+            // either use what we've been given or parse directly from the APK
+            if (args.certificates != null) {
+                try {
+                    PackageParser.populateCertificates(pkg, args.certificates);
+                } catch (PackageParserException e) {
+                    // there was something wrong with the certificates we were given;
+                    // try to pull them from the APK
+                    PackageParser.collectCertificates(pkg, parseFlags);
+                }
+            } else {
+                PackageParser.collectCertificates(pkg, parseFlags);
+            }
         } catch (PackageParserException e) {
             res.setError("Failed collect during installPackageLI", e);
             return;
@@ -19146,7 +19177,7 @@
         final OriginInfo origin = OriginInfo.fromExistingFile(codeFile);
         final InstallParams params = new InstallParams(origin, move, installObserver, installFlags,
                 installerPackageName, volumeUuid, null /*verificationInfo*/, user,
-                packageAbiOverride, null);
+                packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/);
         params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params));
         msg.obj = params;
 
diff --git a/services/core/java/com/android/server/pm/UserManagerService.java b/services/core/java/com/android/server/pm/UserManagerService.java
index 06a91fb..60a0d62 100644
--- a/services/core/java/com/android/server/pm/UserManagerService.java
+++ b/services/core/java/com/android/server/pm/UserManagerService.java
@@ -467,13 +467,16 @@
 
     @Override
     public List<UserInfo> getProfiles(int userId, boolean enabledOnly) {
+        boolean returnFullInfo = true;
         if (userId != UserHandle.getCallingUserId()) {
             checkManageUsersPermission("getting profiles related to user " + userId);
+        } else {
+            returnFullInfo = hasManageUsersPermission();
         }
         final long ident = Binder.clearCallingIdentity();
         try {
             synchronized (mUsersLock) {
-                return getProfilesLU(userId, enabledOnly);
+                return getProfilesLU(userId, enabledOnly, returnFullInfo);
             }
         } finally {
             Binder.restoreCallingIdentity(ident);
@@ -481,7 +484,7 @@
     }
 
     /** Assume permissions already checked and caller's identity cleared */
-    private List<UserInfo> getProfilesLU(int userId, boolean enabledOnly) {
+    private List<UserInfo> getProfilesLU(int userId, boolean enabledOnly, boolean fullInfo) {
         UserInfo user = getUserInfoLU(userId);
         ArrayList<UserInfo> users = new ArrayList<UserInfo>(mUsers.size());
         if (user == null) {
@@ -503,7 +506,14 @@
             if (profile.partial) {
                 continue;
             }
-            users.add(userWithName(profile));
+            UserInfo userInfo = userWithName(profile);
+            // If full info is not required - clear PII data to prevent 3P apps from reading it
+            if (!fullInfo) {
+                userInfo = new UserInfo(userInfo);
+                userInfo.name = null;
+                userInfo.iconPath = null;
+            }
+            users.add(userInfo);
         }
         return users;
     }
diff --git a/services/core/java/com/android/server/policy/PhoneWindowManager.java b/services/core/java/com/android/server/policy/PhoneWindowManager.java
index 14d0457..fb56a0c 100644
--- a/services/core/java/com/android/server/policy/PhoneWindowManager.java
+++ b/services/core/java/com/android/server/policy/PhoneWindowManager.java
@@ -69,6 +69,7 @@
 import android.hardware.hdmi.HdmiControlManager;
 import android.hardware.hdmi.HdmiPlaybackClient;
 import android.hardware.hdmi.HdmiPlaybackClient.OneTouchPlayCallback;
+import android.hardware.input.InputManagerInternal;
 import android.media.AudioAttributes;
 import android.media.AudioManager;
 import android.media.AudioSystem;
@@ -107,6 +108,7 @@
 import android.util.DisplayMetrics;
 import android.util.EventLog;
 import android.util.Log;
+import android.util.MutableBoolean;
 import android.util.Slog;
 import android.util.SparseArray;
 import android.util.LongSparseArray;
@@ -304,6 +306,7 @@
     WindowManagerInternal mWindowManagerInternal;
     PowerManager mPowerManager;
     ActivityManagerInternal mActivityManagerInternal;
+    InputManagerInternal mInputManagerInternal;
     DreamManagerInternal mDreamManagerInternal;
     PowerManagerInternal mPowerManagerInternal;
     IStatusBarService mStatusBarService;
@@ -396,6 +399,8 @@
     volatile boolean mBeganFromNonInteractive;
     volatile int mPowerKeyPressCounter;
     volatile boolean mEndCallKeyHandled;
+    volatile boolean mCameraGestureTriggeredDuringGoingToSleep;
+    volatile boolean mGoingToSleep;
 
     boolean mRecentsVisible;
     int mRecentAppsHeldModifiers;
@@ -601,6 +606,9 @@
     boolean mConsumeSearchKeyUp;
     boolean mAssistKeyLongPressed;
     boolean mPendingMetaAction;
+    boolean mPendingCapsLockToggle;
+    int mMetaState;
+    int mInitialMetaState;
     boolean mForceShowSystemBars;
 
     // support for activating the lock screen while the screen is on
@@ -685,6 +693,7 @@
             = new LogDecelerateInterpolator(100, 0);
 
     private boolean mForceWindowDrawsStatusBarBackground;
+    private final MutableBoolean mTmpBoolean = new MutableBoolean(false);
 
     private static final int MSG_ENABLE_POINTER_LOCATION = 1;
     private static final int MSG_DISABLE_POINTER_LOCATION = 2;
@@ -1032,7 +1041,11 @@
                 GestureLauncherService.class);
         boolean gesturedServiceIntercepted = false;
         if (gestureService != null) {
-            gesturedServiceIntercepted = gestureService.interceptPowerKeyDown(event, interactive);
+            gesturedServiceIntercepted = gestureService.interceptPowerKeyDown(event, interactive,
+                    mTmpBoolean);
+            if (mTmpBoolean.value && mGoingToSleep) {
+                mCameraGestureTriggeredDuringGoingToSleep = true;
+            }
         }
 
         // If the power key has still not yet been handled, then detect short
@@ -1486,6 +1499,7 @@
         mWindowManagerFuncs = windowManagerFuncs;
         mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
         mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class);
+        mInputManagerInternal = LocalServices.getService(InputManagerInternal.class);
         mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
         mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class);
         mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
@@ -1817,41 +1831,6 @@
             }
         }
 
-        mStatusBarHeight =
-                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
-
-        // Height of the navigation bar when presented horizontally at bottom
-        mNavigationBarHeightForRotationDefault[mPortraitRotation] =
-        mNavigationBarHeightForRotationDefault[mUpsideDownRotation] =
-                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
-        mNavigationBarHeightForRotationDefault[mLandscapeRotation] =
-        mNavigationBarHeightForRotationDefault[mSeascapeRotation] = res.getDimensionPixelSize(
-                com.android.internal.R.dimen.navigation_bar_height_landscape);
-
-        // Width of the navigation bar when presented vertically along one side
-        mNavigationBarWidthForRotationDefault[mPortraitRotation] =
-        mNavigationBarWidthForRotationDefault[mUpsideDownRotation] =
-        mNavigationBarWidthForRotationDefault[mLandscapeRotation] =
-        mNavigationBarWidthForRotationDefault[mSeascapeRotation] =
-                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
-
-        // Height of the navigation bar when presented horizontally at bottom
-        mNavigationBarHeightForRotationInCarMode[mPortraitRotation] =
-        mNavigationBarHeightForRotationInCarMode[mUpsideDownRotation] =
-                res.getDimensionPixelSize(
-                        com.android.internal.R.dimen.navigation_bar_height_car_mode);
-        mNavigationBarHeightForRotationInCarMode[mLandscapeRotation] =
-        mNavigationBarHeightForRotationInCarMode[mSeascapeRotation] = res.getDimensionPixelSize(
-                com.android.internal.R.dimen.navigation_bar_height_landscape_car_mode);
-
-        // Width of the navigation bar when presented vertically along one side
-        mNavigationBarWidthForRotationInCarMode[mPortraitRotation] =
-        mNavigationBarWidthForRotationInCarMode[mUpsideDownRotation] =
-        mNavigationBarWidthForRotationInCarMode[mLandscapeRotation] =
-        mNavigationBarWidthForRotationInCarMode[mSeascapeRotation] =
-                res.getDimensionPixelSize(
-                        com.android.internal.R.dimen.navigation_bar_width_car_mode);
-
         // SystemUI (status bar) layout policy
         int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
         int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
@@ -1860,6 +1839,7 @@
         mNavigationBarCanMove = width != height && shortSizeDp < 600;
 
         mHasNavigationBar = res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
+
         // Allow a system property to override this. Used by the emulator.
         // See also hasNavigationBar().
         String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
@@ -2290,6 +2270,46 @@
         }
     }
 
+    @Override
+    public void onConfigurationChanged() {
+        final Resources res = mContext.getResources();
+
+        mStatusBarHeight =
+                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
+
+        // Height of the navigation bar when presented horizontally at bottom
+        mNavigationBarHeightForRotationDefault[mPortraitRotation] =
+        mNavigationBarHeightForRotationDefault[mUpsideDownRotation] =
+                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
+        mNavigationBarHeightForRotationDefault[mLandscapeRotation] =
+        mNavigationBarHeightForRotationDefault[mSeascapeRotation] = res.getDimensionPixelSize(
+                com.android.internal.R.dimen.navigation_bar_height_landscape);
+
+        // Width of the navigation bar when presented vertically along one side
+        mNavigationBarWidthForRotationDefault[mPortraitRotation] =
+        mNavigationBarWidthForRotationDefault[mUpsideDownRotation] =
+        mNavigationBarWidthForRotationDefault[mLandscapeRotation] =
+        mNavigationBarWidthForRotationDefault[mSeascapeRotation] =
+                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
+
+        // Height of the navigation bar when presented horizontally at bottom
+        mNavigationBarHeightForRotationInCarMode[mPortraitRotation] =
+        mNavigationBarHeightForRotationInCarMode[mUpsideDownRotation] =
+                res.getDimensionPixelSize(
+                        com.android.internal.R.dimen.navigation_bar_height_car_mode);
+        mNavigationBarHeightForRotationInCarMode[mLandscapeRotation] =
+        mNavigationBarHeightForRotationInCarMode[mSeascapeRotation] = res.getDimensionPixelSize(
+                com.android.internal.R.dimen.navigation_bar_height_landscape_car_mode);
+
+        // Width of the navigation bar when presented vertically along one side
+        mNavigationBarWidthForRotationInCarMode[mPortraitRotation] =
+        mNavigationBarWidthForRotationInCarMode[mUpsideDownRotation] =
+        mNavigationBarWidthForRotationInCarMode[mLandscapeRotation] =
+        mNavigationBarWidthForRotationInCarMode[mSeascapeRotation] =
+                res.getDimensionPixelSize(
+                        com.android.internal.R.dimen.navigation_bar_width_car_mode);
+    }
+
     /** {@inheritDoc} */
     @Override
     public int windowTypeToLayerLw(int type) {
@@ -2954,6 +2974,10 @@
         if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
             mPendingMetaAction = false;
         }
+        // Any key that is not Alt or Meta cancels Caps Lock combo tracking.
+        if (mPendingCapsLockToggle && !KeyEvent.isMetaKey(keyCode) && !KeyEvent.isAltKey(keyCode)) {
+            mPendingCapsLockToggle = false;
+        }
 
         // First we always handle the home key here, so applications
         // can never break it, although if keyguard is on, we do let
@@ -3202,6 +3226,38 @@
             }
         }
 
+        // Toggle Caps Lock on META-ALT.
+        boolean actionTriggered = false;
+        if (KeyEvent.isModifierKey(keyCode)) {
+            if (!mPendingCapsLockToggle) {
+                // Start tracking meta state for combo.
+                mInitialMetaState = mMetaState;
+                mPendingCapsLockToggle = true;
+            } else if (event.getAction() == KeyEvent.ACTION_UP) {
+                int altOnMask = mMetaState & KeyEvent.META_ALT_MASK;
+                int metaOnMask = mMetaState & KeyEvent.META_META_MASK;
+
+                // Check for Caps Lock toggle
+                if ((metaOnMask != 0) && (altOnMask != 0)) {
+                    // Check if nothing else is pressed
+                    if (mInitialMetaState == (mMetaState ^ (altOnMask | metaOnMask))) {
+                        // Handle Caps Lock Toggle
+                        mInputManagerInternal.toggleCapsLock(event.getDeviceId());
+                        actionTriggered = true;
+                    }
+                }
+
+                // Always stop tracking when key goes up.
+                mPendingCapsLockToggle = false;
+            }
+        }
+        // Store current meta state to be able to evaluate it later.
+        mMetaState = metaState;
+
+        if (actionTriggered) {
+            return -1;
+        }
+
         if (KeyEvent.isMetaKey(keyCode)) {
             if (down) {
                 mPendingMetaAction = true;
@@ -5948,6 +6004,8 @@
     @Override
     public void startedGoingToSleep(int why) {
         if (DEBUG_WAKEUP) Slog.i(TAG, "Started going to sleep... (why=" + why + ")");
+        mCameraGestureTriggeredDuringGoingToSleep = false;
+        mGoingToSleep = true;
         if (mKeyguardDelegate != null) {
             mKeyguardDelegate.onStartedGoingToSleep(why);
         }
@@ -5960,6 +6018,8 @@
         if (DEBUG_WAKEUP) Slog.i(TAG, "Finished going to sleep... (why=" + why + ")");
         MetricsLogger.histogram(mContext, "screen_timeout", mLockScreenTimeout / 1000);
 
+        mGoingToSleep = false;
+
         // We must get this work done here because the power manager will drop
         // the wake lock and let the system suspend once this function returns.
         synchronized (mLock) {
@@ -5969,8 +6029,10 @@
             updateLockScreenTimeout();
         }
         if (mKeyguardDelegate != null) {
-            mKeyguardDelegate.onFinishedGoingToSleep(why);
+            mKeyguardDelegate.onFinishedGoingToSleep(why,
+                    mCameraGestureTriggeredDuringGoingToSleep);
         }
+        mCameraGestureTriggeredDuringGoingToSleep = false;
     }
 
     // Called on the PowerManager's Notifier thread.
diff --git a/services/core/java/com/android/server/policy/keyguard/KeyguardServiceDelegate.java b/services/core/java/com/android/server/policy/keyguard/KeyguardServiceDelegate.java
index 8d296d5..52e5880 100644
--- a/services/core/java/com/android/server/policy/keyguard/KeyguardServiceDelegate.java
+++ b/services/core/java/com/android/server/policy/keyguard/KeyguardServiceDelegate.java
@@ -294,9 +294,9 @@
         mKeyguardState.interactiveState = INTERACTIVE_STATE_GOING_TO_SLEEP;
     }
 
-    public void onFinishedGoingToSleep(int why) {
+    public void onFinishedGoingToSleep(int why, boolean cameraGestureTriggered) {
         if (mKeyguardService != null) {
-            mKeyguardService.onFinishedGoingToSleep(why);
+            mKeyguardService.onFinishedGoingToSleep(why, cameraGestureTriggered);
         }
         mKeyguardState.interactiveState = INTERACTIVE_STATE_SLEEP;
     }
diff --git a/services/core/java/com/android/server/policy/keyguard/KeyguardServiceWrapper.java b/services/core/java/com/android/server/policy/keyguard/KeyguardServiceWrapper.java
index 429b188..dacdec0 100644
--- a/services/core/java/com/android/server/policy/keyguard/KeyguardServiceWrapper.java
+++ b/services/core/java/com/android/server/policy/keyguard/KeyguardServiceWrapper.java
@@ -117,9 +117,9 @@
     }
 
     @Override
-    public void onFinishedGoingToSleep(int reason) {
+    public void onFinishedGoingToSleep(int reason, boolean cameraGestureTriggered) {
         try {
-            mService.onFinishedGoingToSleep(reason);
+            mService.onFinishedGoingToSleep(reason, cameraGestureTriggered);
         } catch (RemoteException e) {
             Slog.w(TAG , "Remote Exception", e);
         }
diff --git a/services/core/java/com/android/server/power/PowerManagerService.java b/services/core/java/com/android/server/power/PowerManagerService.java
index 7570960..8cd536d 100644
--- a/services/core/java/com/android/server/power/PowerManagerService.java
+++ b/services/core/java/com/android/server/power/PowerManagerService.java
@@ -53,6 +53,8 @@
 import android.provider.Settings.Secure;
 import android.provider.Settings.SettingNotFoundException;
 import android.service.dreams.DreamManagerInternal;
+import android.service.vr.IVrManager;
+import android.service.vr.IVrStateCallbacks;
 import android.util.EventLog;
 import android.util.Slog;
 import android.util.SparseIntArray;
@@ -72,6 +74,7 @@
 import com.android.server.lights.Light;
 import com.android.server.lights.LightsManager;
 import com.android.server.vr.VrManagerInternal;
+import com.android.server.vr.VrManagerService;
 import com.android.server.vr.VrStateListener;
 import libcore.util.Objects;
 
@@ -658,7 +661,13 @@
             resolver.registerContentObserver(Settings.Secure.getUriFor(
                     Secure.BRIGHTNESS_USE_TWILIGHT),
                     false, mSettingsObserver, UserHandle.USER_ALL);
-            getLocalService(VrManagerInternal.class).registerListener(mVrStateListener);
+            IVrManager vrManager =
+                    (IVrManager) getBinderService(VrManagerService.VR_MANAGER_BINDER_SERVICE);
+            try {
+                vrManager.registerListener(mVrStateCallbacks);
+            } catch (RemoteException e) {
+                Slog.e(TAG, "Failed to register VR mode state listener: " + e);
+            }
             // Go.
             readConfigurationLocked();
             updateSettingsLocked();
@@ -3007,7 +3016,7 @@
         }
     }
 
-    private final VrStateListener mVrStateListener = new VrStateListener() {
+    private final IVrStateCallbacks mVrStateCallbacks = new IVrStateCallbacks.Stub() {
         @Override
         public void onVrStateChanged(boolean enabled) {
             powerHintInternal(POWER_HINT_VR_MODE, enabled ? 1 : 0);
diff --git a/services/core/java/com/android/server/trust/TrustAgentWrapper.java b/services/core/java/com/android/server/trust/TrustAgentWrapper.java
index 858f7c7..9c2c6bf 100644
--- a/services/core/java/com/android/server/trust/TrustAgentWrapper.java
+++ b/services/core/java/com/android/server/trust/TrustAgentWrapper.java
@@ -375,7 +375,7 @@
                 } else {
                     mTrustAgentService.onConfigure(Collections.EMPTY_LIST, null);
                 }
-                final long maxTimeToLock = dpm.getMaximumTimeToLock(null);
+                final long maxTimeToLock = dpm.getMaximumTimeToLockForUserAndProfiles(mUserId);
                 if (maxTimeToLock != mMaximumTimeToLock) {
                     // If the timeout changes, cancel the alarm and send a timeout event to have
                     // the agent re-evaluate trust.
diff --git a/services/core/java/com/android/server/vr/VrManagerInternal.java b/services/core/java/com/android/server/vr/VrManagerInternal.java
index 93bb9d7..1bbb9f5 100644
--- a/services/core/java/com/android/server/vr/VrManagerInternal.java
+++ b/services/core/java/com/android/server/vr/VrManagerInternal.java
@@ -31,13 +31,6 @@
     public static final int NO_ERROR = 0;
 
     /**
-     * Return current VR mode state.
-     *
-     * @return {@code true} if VR mode is enabled.
-     */
-    public abstract boolean isInVrMode();
-
-    /**
      * Return {@code true} if the given package is the currently bound VrListenerService for the
      * given user.
      *
@@ -59,22 +52,6 @@
     public abstract void setVrMode(boolean enabled, @NonNull ComponentName packageName,
             int userId, @NonNull ComponentName calling);
 
-    /**
-     * Add a listener for VR mode state changes.
-     * <p>
-     * This listener will immediately be called with the current VR mode state.
-     * </p>
-     * @param listener the listener instance to add.
-     */
-    public abstract void registerListener(@NonNull VrStateListener listener);
-
-    /**
-     * Remove the listener from the current set of listeners.
-     *
-     * @param listener the listener to remove.
-     */
-    public abstract void unregisterListener(@NonNull VrStateListener listener);
-
    /**
     * Return NO_ERROR if the given package is installed on the device and enabled as a
     * VrListenerService for the given current user, or a negative error code indicating a failure.
diff --git a/services/core/java/com/android/server/vr/VrManagerService.java b/services/core/java/com/android/server/vr/VrManagerService.java
index c572e76..e6e5a2d 100644
--- a/services/core/java/com/android/server/vr/VrManagerService.java
+++ b/services/core/java/com/android/server/vr/VrManagerService.java
@@ -15,6 +15,7 @@
  */
 package com.android.server.vr;
 
+import android.Manifest;
 import android.app.AppOpsManager;
 import android.app.NotificationManager;
 import android.annotation.NonNull;
@@ -29,11 +30,15 @@
 import android.os.IBinder;
 import android.os.IInterface;
 import android.os.Looper;
+import android.os.Message;
+import android.os.RemoteCallbackList;
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.provider.Settings;
 import android.service.notification.NotificationListenerService;
 import android.service.vr.IVrListener;
+import android.service.vr.IVrManager;
+import android.service.vr.IVrStateCallbacks;
 import android.service.vr.VrListenerService;
 import android.util.ArraySet;
 import android.util.Slog;
@@ -46,6 +51,7 @@
 import com.android.server.utils.ManagedApplicationService.BinderChecker;
 
 import java.lang.StringBuilder;
+import java.lang.ref.WeakReference;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Objects;
@@ -75,6 +81,8 @@
 
     public static final String TAG = "VrManagerService";
 
+    public static final String VR_MANAGER_BINDER_SERVICE = "vrmanager";
+
     private static native void initializeNative();
     private static native void setVrModeNative(boolean enabled);
 
@@ -84,7 +92,6 @@
 
     // State protected by mLock
     private boolean mVrModeEnabled;
-    private final Set<VrStateListener> mListeners = new ArraySet<>();
     private EnabledComponentsObserver mComponentObserver;
     private ManagedApplicationService mCurrentVrService;
     private Context mContext;
@@ -92,10 +99,37 @@
     private int mCurrentVrModeUser;
     private boolean mWasDefaultGranted;
     private boolean mGuard;
+    private final RemoteCallbackList<IVrStateCallbacks> mRemoteCallbacks =
+            new RemoteCallbackList<>();
     private final ArraySet<String> mPreviousToggledListenerSettings = new ArraySet<>();
     private String mPreviousNotificationPolicyAccessPackage;
     private String mPreviousManageOverlayPackage;
 
+    private static final int MSG_VR_STATE_CHANGE = 0;
+
+    private final Handler mHandler = new Handler() {
+        @Override
+        public void handleMessage(Message msg) {
+            switch(msg.what) {
+                case MSG_VR_STATE_CHANGE : {
+                    boolean state = (msg.arg1 == 1);
+                    int i = mRemoteCallbacks.beginBroadcast();
+                    while (i > 0) {
+                        i--;
+                        try {
+                            mRemoteCallbacks.getBroadcastItem(i).onVrStateChanged(state);
+                        } catch (RemoteException e) {
+                            // Noop
+                        }
+                    }
+                    mRemoteCallbacks.finishBroadcast();
+                } break;
+                default :
+                    throw new IllegalStateException("Unknown message type: " + msg.what);
+            }
+        }
+    };
+
     private static final BinderChecker sBinderChecker = new BinderChecker() {
         @Override
         public IInterface asInterface(IBinder binder) {
@@ -125,16 +159,47 @@
         }
     }
 
+    private final IVrManager mVrManager = new IVrManager.Stub() {
+
+        @Override
+        public void registerListener(IVrStateCallbacks cb) {
+            enforceCallerPermission(Manifest.permission.ACCESS_VR_MANAGER);
+            if (cb == null) {
+                throw new IllegalArgumentException("Callback binder object is null.");
+            }
+
+            VrManagerService.this.addStateCallback(cb);
+        }
+
+        @Override
+        public void unregisterListener(IVrStateCallbacks cb) {
+            enforceCallerPermission(Manifest.permission.ACCESS_VR_MANAGER);
+            if (cb == null) {
+                throw new IllegalArgumentException("Callback binder object is null.");
+            }
+
+            VrManagerService.this.removeStateCallback(cb);
+        }
+
+        @Override
+        public boolean getVrModeState() {
+            return VrManagerService.this.getVrMode();
+        }
+
+    };
+
+    private void enforceCallerPermission(String permission) {
+        if (mContext.checkCallingOrSelfPermission(permission)
+                != PackageManager.PERMISSION_GRANTED) {
+            throw new SecurityException("Caller does not hold the permission " + permission);
+        }
+    }
+
     /**
      * Implementation of VrManagerInternal.  Callable only from system services.
      */
     private final class LocalService extends VrManagerInternal {
         @Override
-        public boolean isInVrMode() {
-            return VrManagerService.this.getVrMode();
-        }
-
-        @Override
         public void setVrMode(boolean enabled, ComponentName packageName, int userId,
                 ComponentName callingPackage) {
             VrManagerService.this.setVrMode(enabled, packageName, userId, callingPackage);
@@ -146,16 +211,6 @@
         }
 
         @Override
-        public void registerListener(VrStateListener listener) {
-            VrManagerService.this.addListener(listener);
-        }
-
-        @Override
-        public void unregisterListener(VrStateListener listener) {
-            VrManagerService.this.removeListener(listener);
-        }
-
-        @Override
         public int hasVrPackage(ComponentName packageName, int userId) {
             return VrManagerService.this.hasVrPackage(packageName, userId);
         }
@@ -173,6 +228,7 @@
         }
 
         publishLocalService(VrManagerInternal.class, new LocalService());
+        publishBinderService(VR_MANAGER_BINDER_SERVICE, mVrManager.asBinder());
     }
 
     @Override
@@ -551,9 +607,8 @@
      * Note: Must be called while holding {@code mLock}.
      */
     private void onVrModeChangedLocked() {
-        for (VrStateListener l : mListeners) {
-            l.onVrStateChanged(mVrModeEnabled);
-        }
+        mHandler.sendMessage(mHandler.obtainMessage(MSG_VR_STATE_CHANGE,
+                (mVrModeEnabled) ? 1 : 0, 0));
     }
 
     /**
@@ -577,9 +632,9 @@
         }
     }
 
-    private boolean getVrMode() {
+    private int hasVrPackage(@NonNull ComponentName targetPackageName, int userId) {
         synchronized (mLock) {
-            return mVrModeEnabled;
+            return mComponentObserver.isValid(targetPackageName, userId);
         }
     }
 
@@ -593,21 +648,21 @@
         }
     }
 
-    private void addListener(VrStateListener listener) {
-        synchronized (mLock) {
-            mListeners.add(listener);
-        }
+    /*
+     * Implementation of IVrManager calls.
+     */
+
+    private void addStateCallback(IVrStateCallbacks cb) {
+        mRemoteCallbacks.register(cb);
     }
 
-    private void removeListener(VrStateListener listener) {
-        synchronized (mLock) {
-            mListeners.remove(listener);
-        }
+    private void removeStateCallback(IVrStateCallbacks cb) {
+        mRemoteCallbacks.unregister(cb);
     }
 
-    private int hasVrPackage(@NonNull ComponentName targetPackageName, int userId) {
+    private boolean getVrMode() {
         synchronized (mLock) {
-            return mComponentObserver.isValid(targetPackageName, userId);
+            return mVrModeEnabled;
         }
     }
 }
diff --git a/services/core/java/com/android/server/webkit/SystemImpl.java b/services/core/java/com/android/server/webkit/SystemImpl.java
index 6052a6e..9486cfd 100644
--- a/services/core/java/com/android/server/webkit/SystemImpl.java
+++ b/services/core/java/com/android/server/webkit/SystemImpl.java
@@ -110,9 +110,7 @@
                     Log.e(TAG, "Found an element that is not a webview provider");
                 }
             }
-        } catch(XmlPullParserException e) {
-            throw new MissingWebViewPackageException("Error when parsing WebView meta data " + e);
-        } catch(IOException e) {
+        } catch (XmlPullParserException | IOException e) {
             throw new MissingWebViewPackageException("Error when parsing WebView meta data " + e);
         } finally {
             if (parser != null) parser.close();
@@ -120,6 +118,11 @@
         return webViewProviders.toArray(new WebViewProviderInfo[webViewProviders.size()]);
     }
 
+    public int getFactoryPackageVersion(String packageName) throws NameNotFoundException {
+        PackageManager pm = AppGlobals.getInitialApplication().getPackageManager();
+        return pm.getPackageInfo(packageName, PackageManager.MATCH_FACTORY_ONLY).versionCode;
+    }
+
     /**
      * Reads all signatures at the current depth (within the current provider) from the XML parser.
      */
@@ -181,15 +184,18 @@
 
     @Override
     public void uninstallAndDisablePackageForAllUsers(Context context, String packageName) {
-        context.getPackageManager().deletePackage(packageName,
-                new IPackageDeleteObserver.Stub() {
-            public void packageDeleted(String packageName, int returnCode) {
-                // Ignore returnCode since the deletion could fail, e.g. we might be trying
-                // to delete a non-updated system-package (and we should still disable the
-                // package)
-                enablePackageForAllUsers(context, packageName, false);
+        enablePackageForAllUsers(context, packageName, false);
+        try {
+            PackageManager pm = AppGlobals.getInitialApplication().getPackageManager();
+            if (pm.getApplicationInfo(packageName, 0).isUpdatedSystemApp()) {
+                pm.deletePackage(packageName, new IPackageDeleteObserver.Stub() {
+                        public void packageDeleted(String packageName, int returnCode) {
+                            enablePackageForAllUsers(context, packageName, false);
+                        }
+                    }, PackageManager.DELETE_SYSTEM_APP | PackageManager.DELETE_ALL_USERS);
             }
-        }, PackageManager.DELETE_SYSTEM_APP | PackageManager.DELETE_ALL_USERS);
+        } catch (NameNotFoundException e) {
+        }
     }
 
     @Override
diff --git a/services/core/java/com/android/server/webkit/SystemInterface.java b/services/core/java/com/android/server/webkit/SystemInterface.java
index b5eb0a7..7bde37a 100644
--- a/services/core/java/com/android/server/webkit/SystemInterface.java
+++ b/services/core/java/com/android/server/webkit/SystemInterface.java
@@ -32,6 +32,7 @@
 public interface SystemInterface {
     public WebViewProviderInfo[] getWebViewPackages();
     public int onWebViewProviderChanged(PackageInfo packageInfo);
+    public int getFactoryPackageVersion(String packageName) throws NameNotFoundException;
 
     public String getUserChosenWebViewProvider(Context context);
     public void updateUserSetting(Context context, String newProviderName);
diff --git a/services/core/java/com/android/server/webkit/WebViewUpdateService.java b/services/core/java/com/android/server/webkit/WebViewUpdateService.java
index 4669676..ebec445 100644
--- a/services/core/java/com/android/server/webkit/WebViewUpdateService.java
+++ b/services/core/java/com/android/server/webkit/WebViewUpdateService.java
@@ -20,6 +20,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
@@ -50,26 +51,21 @@
 public class WebViewUpdateService extends SystemService {
 
     private static final String TAG = "WebViewUpdateService";
-    private static final int WAIT_TIMEOUT_MS = 4500; // KEY_DISPATCHING_TIMEOUT is 5000.
-
-    // Keeps track of the number of running relro creations
-    private int mNumRelroCreationsStarted = 0;
-    private int mNumRelroCreationsFinished = 0;
-    // Implies that we need to rerun relro creation because we are using an out-of-date package
-    private boolean mWebViewPackageDirty = false;
-    private boolean mAnyWebViewInstalled = false;
-
-    private int NUMBER_OF_RELROS_UNKNOWN = Integer.MAX_VALUE;
-
-    // The WebView package currently in use (or the one we are preparing).
-    private PackageInfo mCurrentWebViewPackage = null;
 
     private BroadcastReceiver mWebViewUpdatedReceiver;
     private SystemInterface mSystemInterface;
 
+    static final int PACKAGE_CHANGED = 0;
+    static final int PACKAGE_ADDED = 1;
+    static final int PACKAGE_ADDED_REPLACED = 2;
+    static final int PACKAGE_REMOVED = 3;
+
+    private WebViewUpdater mWebViewUpdater;
+
     public WebViewUpdateService(Context context) {
         super(context);
         mSystemInterface = new SystemImpl();
+        mWebViewUpdater = new WebViewUpdater(getContext(), mSystemInterface);
     }
 
     @Override
@@ -77,76 +73,34 @@
         mWebViewUpdatedReceiver = new BroadcastReceiver() {
                 @Override
                 public void onReceive(Context context, Intent intent) {
-                    // When a package is replaced we will receive two intents, one representing
-                    // the removal of the old package and one representing the addition of the
-                    // new package.
-                    // In the case where we receive an intent to remove the old version of the
-                    // package that is being replaced we early-out here so that we don't run the
-                    // update-logic twice.
-                    if (intent.getAction().equals(Intent.ACTION_PACKAGE_REMOVED)
-                        && intent.getExtras().getBoolean(Intent.EXTRA_REPLACING)) {
-                        return;
-                    }
-
-                    // Ensure that we only heed PACKAGE_CHANGED intents if they change an entire
-                    // package, not just a component
-                    if (intent.getAction().equals(Intent.ACTION_PACKAGE_CHANGED)) {
-                        if (!entirePackageChanged(intent)) {
-                            return;
-                        }
-                    }
-
-                    if (intent.getAction().equals(Intent.ACTION_USER_ADDED)) {
-                        int userId =
-                            intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL);
-                        handleNewUser(userId);
-                        return;
-                    }
-
-                    updateFallbackState(context, intent);
-
-                    for (WebViewProviderInfo provider : mSystemInterface.getWebViewPackages()) {
-                        String webviewPackage = "package:" + provider.packageName;
-
-                        if (webviewPackage.equals(intent.getDataString())) {
-                            boolean updateWebView = false;
-                            boolean removedOrChangedOldPackage = false;
-                            String oldProviderName = null;
-                            PackageInfo newPackage = null;
-                            synchronized(WebViewUpdateService.this) {
-                                try {
-                                    newPackage = findPreferredWebViewPackage();
-                                    if (mCurrentWebViewPackage != null)
-                                        oldProviderName = mCurrentWebViewPackage.packageName;
-                                    // Only trigger update actions if the updated package is the one
-                                    // that will be used, or the one that was in use before the
-                                    // update, or if we haven't seen a valid WebView package before.
-                                    updateWebView =
-                                        provider.packageName.equals(newPackage.packageName)
-                                        || provider.packageName.equals(oldProviderName)
-                                        || mCurrentWebViewPackage == null;
-                                    // We removed the old package if we received an intent to remove
-                                    // or replace the old package.
-                                    removedOrChangedOldPackage =
-                                        provider.packageName.equals(oldProviderName);
-                                    if (updateWebView) {
-                                        onWebViewProviderChanged(newPackage);
-                                    }
-                                } catch (WebViewFactory.MissingWebViewPackageException e) {
-                                    Slog.e(TAG, "Could not find valid WebView package to create " +
-                                            "relro with " + e);
-                                }
+                    switch (intent.getAction()) {
+                        case Intent.ACTION_PACKAGE_REMOVED:
+                            // When a package is replaced we will receive two intents, one
+                            // representing the removal of the old package and one representing the
+                            // addition of the new package.
+                            // In the case where we receive an intent to remove the old version of
+                            // the package that is being replaced we early-out here so that we don't
+                            // run the update-logic twice.
+                            if (intent.getExtras().getBoolean(Intent.EXTRA_REPLACING)) return;
+                            packageStateChanged(packageNameFromIntent(intent), PACKAGE_REMOVED);
+                            break;
+                        case Intent.ACTION_PACKAGE_CHANGED:
+                            // Ensure that we only heed PACKAGE_CHANGED intents if they change an
+                            // entire package, not just a component
+                            if (entirePackageChanged(intent)) {
+                                packageStateChanged(packageNameFromIntent(intent), PACKAGE_CHANGED);
                             }
-                            if(updateWebView && !removedOrChangedOldPackage
-                                    && oldProviderName != null) {
-                                // If the provider change is the result of adding or replacing a
-                                // package that was not the previous provider then we must kill
-                                // packages dependent on the old package ourselves. The framework
-                                // only kills dependents of packages that are being removed.
-                                mSystemInterface.killPackageDependents(oldProviderName);
-                            }
-                            return;
-                        }
+                            break;
+                        case Intent.ACTION_PACKAGE_ADDED:
+                            packageStateChanged(packageNameFromIntent(intent),
+                                    (intent.getExtras().getBoolean(Intent.EXTRA_REPLACING)
+                                     ? PACKAGE_ADDED_REPLACED : PACKAGE_ADDED));
+                            break;
+                        case Intent.ACTION_USER_ADDED:
+                            int userId =
+                                intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL);
+                            handleNewUser(userId);
+                            break;
                     }
                 }
         };
@@ -168,12 +122,27 @@
         publishBinderService("webviewupdate", new BinderService(), true /*allowIsolated*/);
     }
 
+    private void packageStateChanged(String packageName, int changedState) {
+        updateFallbackState(packageName, changedState);
+        mWebViewUpdater.packageStateChanged(packageName, changedState);
+    }
+
+    public void prepareWebViewInSystemServer() {
+        updateFallbackStateOnBoot();
+        mWebViewUpdater.prepareWebViewInSystemServer();
+    }
+
+    private static String packageNameFromIntent(Intent intent) {
+        return intent.getDataString().substring("package:".length());
+    }
+
     private boolean existsValidNonFallbackProvider(WebViewProviderInfo[] providers) {
         for (WebViewProviderInfo provider : providers) {
             if (provider.availableByDefault && !provider.isFallback) {
                 try {
                     PackageInfo packageInfo = mSystemInterface.getPackageInfoForProvider(provider);
-                    if (isEnabledPackage(packageInfo) && isValidProvider(provider, packageInfo)) {
+                    if (isEnabledPackage(packageInfo)
+                            && mWebViewUpdater.isValidProvider(provider, packageInfo)) {
                         return true;
                     }
                 } catch (NameNotFoundException e) {
@@ -198,33 +167,37 @@
                 !existsValidNonFallbackProvider(webviewProviders), userId);
     }
 
+    public void updateFallbackStateOnBoot() {
+        WebViewProviderInfo[] webviewProviders = mSystemInterface.getWebViewPackages();
+        updateFallbackState(webviewProviders, true);
+    }
+
     /**
      * Handle the enabled-state of our fallback package, i.e. if there exists some non-fallback
      * package that is valid (and available by default) then disable the fallback package,
      * otherwise, enable the fallback package.
      */
-    void updateFallbackState(final Context context, final Intent intent) {
+    public void updateFallbackState(String changedPackage, int changedState) {
         if (!mSystemInterface.isFallbackLogicEnabled()) return;
 
         WebViewProviderInfo[] webviewProviders = mSystemInterface.getWebViewPackages();
 
-        if (intent != null && (intent.getAction().equals(Intent.ACTION_PACKAGE_ADDED)
-                    || intent.getAction().equals(Intent.ACTION_PACKAGE_CHANGED))) {
-            // A package was changed / updated / downgraded, early out if it is not one of the
-            // webview packages that are available by default.
-            String changedPackage = null;
-            for (WebViewProviderInfo provider : webviewProviders) {
-                String webviewPackage = "package:" + provider.packageName;
-                if (webviewPackage.equals(intent.getDataString())) {
-                    if (provider.availableByDefault) {
-                        changedPackage = provider.packageName;
-                    }
-                    break;
+        // A package was changed / updated / downgraded, early out if it is not one of the
+        // webview packages that are available by default.
+        boolean changedPackageAvailableByDefault = false;
+        for (WebViewProviderInfo provider : webviewProviders) {
+            if (provider.packageName.equals(changedPackage)) {
+                if (provider.availableByDefault) {
+                    changedPackageAvailableByDefault = true;
                 }
+                break;
             }
-            if (changedPackage == null) return;
         }
+        if (!changedPackageAvailableByDefault) return;
+        updateFallbackState(webviewProviders, false);
+    }
 
+    private void updateFallbackState(WebViewProviderInfo[] webviewProviders, boolean isBoot) {
         // If there exists a valid and enabled non-fallback package - disable the fallback
         // package, otherwise, enable it.
         WebViewProviderInfo fallbackProvider = getFallbackProvider(webviewProviders);
@@ -233,28 +206,29 @@
 
         boolean isFallbackEnabled = false;
         try {
-            isFallbackEnabled =
-                isEnabledPackage(mSystemInterface.getPackageInfoForProvider(fallbackProvider));
+            isFallbackEnabled = isEnabledPackage(
+                    mSystemInterface.getPackageInfoForProvider(fallbackProvider));
         } catch (NameNotFoundException e) {
         }
 
         if (existsValidNonFallbackProvider
                 // During an OTA the primary user's WebView state might differ from other users', so
                 // ignore the state of that user during boot.
-                && (isFallbackEnabled || intent == null)) {
-            mSystemInterface.uninstallAndDisablePackageForAllUsers(context,
+                && (isFallbackEnabled || isBoot)) {
+            mSystemInterface.uninstallAndDisablePackageForAllUsers(getContext(),
                     fallbackProvider.packageName);
         } else if (!existsValidNonFallbackProvider
                 // During an OTA the primary user's WebView state might differ from other users', so
                 // ignore the state of that user during boot.
-                && (!isFallbackEnabled || intent==null)) {
+                && (!isFallbackEnabled || isBoot)) {
             // Enable the fallback package for all users.
-            mSystemInterface.enablePackageForAllUsers(context, fallbackProvider.packageName, true);
+            mSystemInterface.enablePackageForAllUsers(getContext(),
+                    fallbackProvider.packageName, true);
         }
     }
 
     /**
-     * Returns the only fallback provider, or null if there is none.
+     * Returns the only fallback provider in the set of given packages, or null if there is none.
      */
     private static WebViewProviderInfo getFallbackProvider(WebViewProviderInfo[] webviewPackages) {
         for (WebViewProviderInfo provider : webviewPackages) {
@@ -275,180 +249,361 @@
     }
 
     /**
-     * Perform any WebView loading preparations that must happen at boot from the system server,
-     * after the package manager has started or after an update to the webview is installed.
-     * This must be called in the system server.
-     * Currently, this means spawning the child processes which will create the relro files.
+     * Class that decides what WebView implementation to use and prepares that implementation for
+     * use.
      */
-    public void prepareWebViewInSystemServer() {
-        updateFallbackState(getContext(), null);
-        try {
-            synchronized(this) {
-                mCurrentWebViewPackage = findPreferredWebViewPackage();
-                onWebViewProviderChanged(mCurrentWebViewPackage);
-            }
-        } catch (Throwable t) {
-            // Log and discard errors at this stage as we must not crash the system server.
-            Slog.e(TAG, "error preparing webview provider from system server", t);
+    private static class WebViewUpdater {
+        private Context mContext;
+        private SystemInterface mSystemInterface;
+        private int mMinimumVersionCode = -1;
+
+        public WebViewUpdater(Context context, SystemInterface systemInterface) {
+            mContext = context;
+            mSystemInterface = systemInterface;
         }
-    }
 
+        private static final int WAIT_TIMEOUT_MS = 4500; // KEY_DISPATCHING_TIMEOUT is 5000.
 
-    /**
-     * Change WebView provider and provider setting and kill packages using the old provider.
-     * Return the new provider (in case we are in the middle of creating relro files this new
-     * provider will not be in use directly, but will when the relros are done).
-     */
-    private String changeProviderAndSetting(String newProviderName) {
-        PackageInfo oldPackage = null;
-        PackageInfo newPackage = null;
-        synchronized(this) {
-            oldPackage = mCurrentWebViewPackage;
-            mSystemInterface.updateUserSetting(getContext(), newProviderName);
+        // Keeps track of the number of running relro creations
+        private int mNumRelroCreationsStarted = 0;
+        private int mNumRelroCreationsFinished = 0;
+        // Implies that we need to rerun relro creation because we are using an out-of-date package
+        private boolean mWebViewPackageDirty = false;
+        private boolean mAnyWebViewInstalled = false;
 
-            try {
-                newPackage = findPreferredWebViewPackage();
-                if (oldPackage != null && newPackage.packageName.equals(oldPackage.packageName)) {
-                    // If we don't perform the user change, revert the settings change.
-                    mSystemInterface.updateUserSetting(getContext(), newPackage.packageName);
-                    return newPackage.packageName;
+        private int NUMBER_OF_RELROS_UNKNOWN = Integer.MAX_VALUE;
+
+        // The WebView package currently in use (or the one we are preparing).
+        private PackageInfo mCurrentWebViewPackage = null;
+
+        private Object mLock = new Object();
+
+        public void packageStateChanged(String packageName, int changedState) {
+            for (WebViewProviderInfo provider : mSystemInterface.getWebViewPackages()) {
+                String webviewPackage = provider.packageName;
+
+                if (webviewPackage.equals(packageName)) {
+                    boolean updateWebView = false;
+                    boolean removedOrChangedOldPackage = false;
+                    String oldProviderName = null;
+                    PackageInfo newPackage = null;
+                    synchronized(mLock) {
+                        try {
+                            newPackage = findPreferredWebViewPackage();
+                            if (mCurrentWebViewPackage != null)
+                                oldProviderName = mCurrentWebViewPackage.packageName;
+                            // Only trigger update actions if the updated package is the one
+                            // that will be used, or the one that was in use before the
+                            // update, or if we haven't seen a valid WebView package before.
+                            updateWebView =
+                                provider.packageName.equals(newPackage.packageName)
+                                || provider.packageName.equals(oldProviderName)
+                                || mCurrentWebViewPackage == null;
+                            // We removed the old package if we received an intent to remove
+                            // or replace the old package.
+                            removedOrChangedOldPackage =
+                                provider.packageName.equals(oldProviderName);
+                            if (updateWebView) {
+                                onWebViewProviderChanged(newPackage);
+                            }
+                        } catch (WebViewFactory.MissingWebViewPackageException e) {
+                            Slog.e(TAG, "Could not find valid WebView package to create " +
+                                    "relro with " + e);
+                        }
+                    }
+                    if(updateWebView && !removedOrChangedOldPackage
+                            && oldProviderName != null) {
+                        // If the provider change is the result of adding or replacing a
+                        // package that was not the previous provider then we must kill
+                        // packages dependent on the old package ourselves. The framework
+                        // only kills dependents of packages that are being removed.
+                        mSystemInterface.killPackageDependents(oldProviderName);
+                    }
+                    return;
                 }
-            } catch (WebViewFactory.MissingWebViewPackageException e) {
-                Slog.e(TAG, "Tried to change WebView provider but failed to fetch WebView package "
-                        + e);
-                // If we don't perform the user change but don't have an installed WebView package,
-                // we will have changed the setting and it will be used when a package is available.
-                return newProviderName;
             }
-            onWebViewProviderChanged(newPackage);
         }
-        // Kill apps using the old provider
-        if (oldPackage != null) {
-            mSystemInterface.killPackageDependents(oldPackage.packageName);
+
+        public void prepareWebViewInSystemServer() {
+            try {
+                synchronized(mLock) {
+                    mCurrentWebViewPackage = findPreferredWebViewPackage();
+                    onWebViewProviderChanged(mCurrentWebViewPackage);
+                }
+            } catch (Throwable t) {
+                // Log and discard errors at this stage as we must not crash the system server.
+                Slog.e(TAG, "error preparing webview provider from system server", t);
+            }
         }
-        return newPackage.packageName;
-    }
 
-    /**
-     * This is called when we change WebView provider, either when the current provider is updated
-     * or a new provider is chosen / takes precedence.
-     */
-    private void onWebViewProviderChanged(PackageInfo newPackage) {
-        synchronized(this) {
-            mAnyWebViewInstalled = true;
-            if (mNumRelroCreationsStarted == mNumRelroCreationsFinished) {
-                mCurrentWebViewPackage = newPackage;
-                mSystemInterface.updateUserSetting(getContext(), newPackage.packageName);
+        /**
+         * Change WebView provider and provider setting and kill packages using the old provider.
+         * Return the new provider (in case we are in the middle of creating relro files this new
+         * provider will not be in use directly, but will when the relros are done).
+         */
+        public String changeProviderAndSetting(String newProviderName) {
+            PackageInfo oldPackage = null;
+            PackageInfo newPackage = null;
+            synchronized(mLock) {
+                oldPackage = mCurrentWebViewPackage;
+                mSystemInterface.updateUserSetting(mContext, newProviderName);
 
-                // The relro creations might 'finish' (not start at all) before
-                // WebViewFactory.onWebViewProviderChanged which means we might not know the number
-                // of started creations before they finish.
-                mNumRelroCreationsStarted = NUMBER_OF_RELROS_UNKNOWN;
-                mNumRelroCreationsFinished = 0;
-                mNumRelroCreationsStarted = mSystemInterface.onWebViewProviderChanged(newPackage);
-                // If the relro creations finish before we know the number of started creations we
-                // will have to do any cleanup/notifying here.
+                try {
+                    newPackage = findPreferredWebViewPackage();
+                    if (oldPackage != null
+                            && newPackage.packageName.equals(oldPackage.packageName)) {
+                        // If we don't perform the user change, revert the settings change.
+                        mSystemInterface.updateUserSetting(mContext, newPackage.packageName);
+                        return newPackage.packageName;
+                    }
+                } catch (WebViewFactory.MissingWebViewPackageException e) {
+                    Slog.e(TAG, "Tried to change WebView provider but failed to fetch WebView " +
+                            "package " + e);
+                    // If we don't perform the user change but don't have an installed WebView
+                    // package, we will have changed the setting and it will be used when a package
+                    // is available.
+                    return newProviderName;
+                }
+                onWebViewProviderChanged(newPackage);
+            }
+            // Kill apps using the old provider
+            if (oldPackage != null) {
+                mSystemInterface.killPackageDependents(oldPackage.packageName);
+            }
+            return newPackage.packageName;
+        }
+
+        /**
+         * This is called when we change WebView provider, either when the current provider is
+         * updated or a new provider is chosen / takes precedence.
+         */
+        private void onWebViewProviderChanged(PackageInfo newPackage) {
+            synchronized(mLock) {
+                mAnyWebViewInstalled = true;
+                if (mNumRelroCreationsStarted == mNumRelroCreationsFinished) {
+                    mCurrentWebViewPackage = newPackage;
+                    mSystemInterface.updateUserSetting(mContext, newPackage.packageName);
+
+                    // The relro creations might 'finish' (not start at all) before
+                    // WebViewFactory.onWebViewProviderChanged which means we might not know the
+                    // number of started creations before they finish.
+                    mNumRelroCreationsStarted = NUMBER_OF_RELROS_UNKNOWN;
+                    mNumRelroCreationsFinished = 0;
+                    mNumRelroCreationsStarted =
+                        mSystemInterface.onWebViewProviderChanged(newPackage);
+                    // If the relro creations finish before we know the number of started creations
+                    // we will have to do any cleanup/notifying here.
+                    checkIfRelrosDoneLocked();
+                } else {
+                    mWebViewPackageDirty = true;
+                }
+            }
+        }
+
+        private ProviderAndPackageInfo[] getValidWebViewPackagesAndInfos() {
+            WebViewProviderInfo[] allProviders = mSystemInterface.getWebViewPackages();
+            List<ProviderAndPackageInfo> providers = new ArrayList<>();
+            for(int n = 0; n < allProviders.length; n++) {
+                try {
+                    PackageInfo packageInfo =
+                        mSystemInterface.getPackageInfoForProvider(allProviders[n]);
+                    if (isValidProvider(allProviders[n], packageInfo)) {
+                        providers.add(new ProviderAndPackageInfo(allProviders[n], packageInfo));
+                    }
+                } catch (NameNotFoundException e) {
+                    // Don't add non-existent packages
+                }
+            }
+            return providers.toArray(new ProviderAndPackageInfo[providers.size()]);
+        }
+
+        /**
+         * Fetch only the currently valid WebView packages.
+         **/
+        public WebViewProviderInfo[] getValidWebViewPackages() {
+            ProviderAndPackageInfo[] providersAndPackageInfos = getValidWebViewPackagesAndInfos();
+            WebViewProviderInfo[] providers =
+                new WebViewProviderInfo[providersAndPackageInfos.length];
+            for(int n = 0; n < providersAndPackageInfos.length; n++) {
+                providers[n] = providersAndPackageInfos[n].provider;
+            }
+            return providers;
+        }
+
+
+        private class ProviderAndPackageInfo {
+            public final WebViewProviderInfo provider;
+            public final PackageInfo packageInfo;
+
+            public ProviderAndPackageInfo(WebViewProviderInfo provider, PackageInfo packageInfo) {
+                this.provider = provider;
+                this.packageInfo = packageInfo;
+            }
+        }
+
+        /**
+         * Returns either the package info of the WebView provider determined in the following way:
+         * If the user has chosen a provider then use that if it is valid,
+         * otherwise use the first package in the webview priority list that is valid.
+         *
+         */
+        private PackageInfo findPreferredWebViewPackage() {
+            ProviderAndPackageInfo[] providers = getValidWebViewPackagesAndInfos();
+
+            String userChosenProvider = mSystemInterface.getUserChosenWebViewProvider(mContext);
+
+            // If the user has chosen provider, use that
+            for (ProviderAndPackageInfo providerAndPackage : providers) {
+                if (providerAndPackage.provider.packageName.equals(userChosenProvider)
+                        && isEnabledPackage(providerAndPackage.packageInfo)) {
+                    return providerAndPackage.packageInfo;
+                }
+            }
+
+            // User did not choose, or the choice failed; use the most stable provider that is
+            // enabled and available by default (not through user choice).
+            for (ProviderAndPackageInfo providerAndPackage : providers) {
+                if (providerAndPackage.provider.availableByDefault
+                        && isEnabledPackage(providerAndPackage.packageInfo)) {
+                    return providerAndPackage.packageInfo;
+                }
+            }
+
+            // Could not find any enabled package either, use the most stable provider.
+            for (ProviderAndPackageInfo providerAndPackage : providers) {
+                return providerAndPackage.packageInfo;
+            }
+
+            mAnyWebViewInstalled = false;
+            throw new WebViewFactory.MissingWebViewPackageException(
+                    "Could not find a loadable WebView package");
+        }
+
+        public void notifyRelroCreationCompleted() {
+            synchronized (mLock) {
+                mNumRelroCreationsFinished++;
                 checkIfRelrosDoneLocked();
-            } else {
-                mWebViewPackageDirty = true;
             }
         }
-    }
 
-    private ProviderAndPackageInfo[] getValidWebViewPackagesAndInfos() {
-        WebViewProviderInfo[] allProviders = mSystemInterface.getWebViewPackages();
-        List<ProviderAndPackageInfo> providers = new ArrayList<>();
-        for(int n = 0; n < allProviders.length; n++) {
-            try {
-                PackageInfo packageInfo =
-                    mSystemInterface.getPackageInfoForProvider(allProviders[n]);
-                if (isValidProvider(allProviders[n], packageInfo)) {
-                    providers.add(new ProviderAndPackageInfo(allProviders[n], packageInfo));
+        public WebViewProviderResponse waitForAndGetProvider() {
+            PackageInfo webViewPackage = null;
+            final long NS_PER_MS = 1000000;
+            final long timeoutTimeMs = System.nanoTime() / NS_PER_MS + WAIT_TIMEOUT_MS;
+            boolean webViewReady = false;
+            int webViewStatus = WebViewFactory.LIBLOAD_SUCCESS;
+            synchronized (mLock) {
+                webViewReady = webViewIsReadyLocked();
+                while (!webViewReady) {
+                    final long timeNowMs = System.nanoTime() / NS_PER_MS;
+                    if (timeNowMs >= timeoutTimeMs) break;
+                    try {
+                        mLock.wait(timeoutTimeMs - timeNowMs);
+                    } catch (InterruptedException e) {}
+                    webViewReady = webViewIsReadyLocked();
                 }
-            } catch (NameNotFoundException e) {
-                // Don't add non-existent packages
+                // Make sure we return the provider that was used to create the relro file
+                webViewPackage = mCurrentWebViewPackage;
+                if (webViewReady) {
+                } else if (!mAnyWebViewInstalled) {
+                    webViewStatus = WebViewFactory.LIBLOAD_FAILED_LISTING_WEBVIEW_PACKAGES;
+                } else {
+                    // Either the current relro creation  isn't done yet, or the new relro creatioin
+                    // hasn't kicked off yet (the last relro creation used an out-of-date WebView).
+                    webViewStatus = WebViewFactory.LIBLOAD_FAILED_WAITING_FOR_RELRO;
+                }
             }
+            if (!webViewReady) Slog.w(TAG, "creating relro file timed out");
+            return new WebViewProviderResponse(webViewPackage, webViewStatus);
         }
-        return providers.toArray(new ProviderAndPackageInfo[providers.size()]);
-    }
 
-    /**
-     * Fetch only the currently valid WebView packages.
-     **/
-    private WebViewProviderInfo[] getValidWebViewPackages() {
-        ProviderAndPackageInfo[] providersAndPackageInfos = getValidWebViewPackagesAndInfos();
-        WebViewProviderInfo[] providers = new WebViewProviderInfo[providersAndPackageInfos.length];
-        for(int n = 0; n < providersAndPackageInfos.length; n++) {
-            providers[n] = providersAndPackageInfos[n].provider;
-        }
-        return providers;
-    }
-
-    private class ProviderAndPackageInfo {
-        public final WebViewProviderInfo provider;
-        public final PackageInfo packageInfo;
-
-        public ProviderAndPackageInfo(WebViewProviderInfo provider, PackageInfo packageInfo) {
-            this.provider = provider;
-            this.packageInfo = packageInfo;
-        }
-    }
-
-    /**
-     * Returns either the package info of the WebView provider determined in the following way:
-     * If the user has chosen a provider then use that if it is valid,
-     * otherwise use the first package in the webview priority list that is valid.
-     *
-     * @hide
-     */
-    private PackageInfo findPreferredWebViewPackage() {
-        ProviderAndPackageInfo[] providers = getValidWebViewPackagesAndInfos();
-
-        String userChosenProvider = mSystemInterface.getUserChosenWebViewProvider(getContext());
-
-        // If the user has chosen provider, use that
-        for (ProviderAndPackageInfo providerAndPackage : providers) {
-            if (providerAndPackage.provider.packageName.equals(userChosenProvider)
-                    && isEnabledPackage(providerAndPackage.packageInfo)) {
-                return providerAndPackage.packageInfo;
+        public String getCurrentWebViewPackageName() {
+            synchronized(mLock) {
+                if (mCurrentWebViewPackage == null)
+                    return null;
+                return mCurrentWebViewPackage.packageName;
             }
         }
 
-        // User did not choose, or the choice failed; use the most stable provider that is
-        // enabled and available by default (not through user choice).
-        for (ProviderAndPackageInfo providerAndPackage : providers) {
-            if (providerAndPackage.provider.availableByDefault
-                    && isEnabledPackage(providerAndPackage.packageInfo)) {
-                return providerAndPackage.packageInfo;
+        /**
+         * Returns whether WebView is ready and is not going to go through its preparation phase
+         * again directly.
+         */
+        private boolean webViewIsReadyLocked() {
+            return !mWebViewPackageDirty
+                && (mNumRelroCreationsStarted == mNumRelroCreationsFinished)
+                // The current package might be replaced though we haven't received an intent
+                // declaring this yet, the following flag makes anyone loading WebView to wait in
+                // this case.
+                && mAnyWebViewInstalled;
+        }
+
+        private void checkIfRelrosDoneLocked() {
+            if (mNumRelroCreationsStarted == mNumRelroCreationsFinished) {
+                if (mWebViewPackageDirty) {
+                    mWebViewPackageDirty = false;
+                    // If we have changed provider since we started the relro creation we need to
+                    // redo the whole process using the new package instead.
+                    PackageInfo newPackage = findPreferredWebViewPackage();
+                    onWebViewProviderChanged(newPackage);
+                } else {
+                    mLock.notifyAll();
+                }
             }
         }
 
-        // Could not find any enabled package either, use the most stable provider.
-        for (ProviderAndPackageInfo providerAndPackage : providers) {
-            return providerAndPackage.packageInfo;
+        /**
+         * Returns whether this provider is valid for use as a WebView provider.
+         */
+        public boolean isValidProvider(WebViewProviderInfo configInfo,
+                PackageInfo packageInfo) {
+            if ((packageInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0
+                    && packageInfo.versionCode < getMinimumVersionCode()
+                    && !mSystemInterface.systemIsDebuggable()) {
+                // Non-system package webview providers may be downgraded arbitrarily low, prevent
+                // that by enforcing minimum version code. This check is only enforced for user
+                // builds.
+                return false;
+            }
+            if (providerHasValidSignature(configInfo, packageInfo, mSystemInterface) &&
+                    WebViewFactory.getWebViewLibrary(packageInfo.applicationInfo) != null) {
+                return true;
+            }
+            return false;
         }
 
-        mAnyWebViewInstalled = false;
-        throw new WebViewFactory.MissingWebViewPackageException(
-                "Could not find a loadable WebView package");
-    }
+        /**
+         * Gets the minimum version code allowed for a valid provider. It is the minimum versionCode
+         * of all available-by-default and non-fallback WebView provider packages. If there is no
+         * such WebView provider package on the system, then return -1, which means all positive
+         * versionCode WebView packages are accepted.
+         */
+        private int getMinimumVersionCode() {
+            if (mMinimumVersionCode > 0) {
+                return mMinimumVersionCode;
+            }
 
+            for (WebViewProviderInfo provider : mSystemInterface.getWebViewPackages()) {
+                if (provider.availableByDefault && !provider.isFallback) {
+                    try {
+                        int versionCode =
+                            mSystemInterface.getFactoryPackageVersion(provider.packageName);
+                        if (mMinimumVersionCode < 0 || versionCode < mMinimumVersionCode) {
+                            mMinimumVersionCode = versionCode;
+                        }
+                    } catch (PackageManager.NameNotFoundException e) {
+                        // Safe to ignore.
+                    }
+                }
+            }
 
-    /**
-     * Returns whether this provider is valid for use as a WebView provider.
-     */
-    public boolean isValidProvider(WebViewProviderInfo configInfo,
-            PackageInfo packageInfo) {
-        if (providerHasValidSignature(configInfo, packageInfo) &&
-                WebViewFactory.getWebViewLibrary(packageInfo.applicationInfo) != null) {
-            return true;
+            return mMinimumVersionCode;
         }
-        return false;
     }
 
-    private boolean providerHasValidSignature(WebViewProviderInfo provider,
-            PackageInfo packageInfo) {
-        if (mSystemInterface.systemIsDebuggable()) {
+    private static boolean providerHasValidSignature(WebViewProviderInfo provider,
+            PackageInfo packageInfo, SystemInterface systemInterface) {
+        if (systemInterface.systemIsDebuggable()) {
             return true;
         }
         Signature[] packageSignatures;
@@ -475,7 +630,7 @@
      * Returns whether the given package is enabled.
      * This state can be changed by the user from Settings->Apps
      */
-    public boolean isEnabledPackage(PackageInfo packageInfo) {
+    private static boolean isEnabledPackage(PackageInfo packageInfo) {
         return packageInfo.applicationInfo.enabled;
     }
 
@@ -491,32 +646,6 @@
                 intent.getDataString().substring("package:".length()));
     }
 
-    /**
-     * Returns whether WebView is ready and is not going to go through its preparation phase again
-     * directly.
-     */
-    private boolean webViewIsReadyLocked() {
-        return !mWebViewPackageDirty
-            && (mNumRelroCreationsStarted == mNumRelroCreationsFinished)
-            // The current package might be replaced though we haven't received an intent declaring
-            // this yet, the following flag makes anyone loading WebView to wait in this case.
-            && mAnyWebViewInstalled;
-    }
-
-    private void checkIfRelrosDoneLocked() {
-        if (mNumRelroCreationsStarted == mNumRelroCreationsFinished) {
-            if (mWebViewPackageDirty) {
-                mWebViewPackageDirty = false;
-                // If we have changed provider since we started the relro creation we need to
-                // redo the whole process using the new package instead.
-                PackageInfo newPackage = findPreferredWebViewPackage();
-                onWebViewProviderChanged(newPackage);
-            } else {
-                this.notifyAll();
-            }
-        }
-    }
-
     private class BinderService extends IWebViewUpdateService.Stub {
 
         @Override
@@ -544,10 +673,7 @@
 
             long callingId = Binder.clearCallingIdentity();
             try {
-                synchronized (WebViewUpdateService.this) {
-                    mNumRelroCreationsFinished++;
-                    checkIfRelrosDoneLocked();
-                }
+                WebViewUpdateService.this.mWebViewUpdater.notifyRelroCreationCompleted();
             } finally {
                 Binder.restoreCallingIdentity(callingId);
             }
@@ -567,34 +693,7 @@
                 throw new IllegalStateException("Cannot create a WebView from the SystemServer");
             }
 
-            PackageInfo webViewPackage = null;
-            final long NS_PER_MS = 1000000;
-            final long timeoutTimeMs = System.nanoTime() / NS_PER_MS + WAIT_TIMEOUT_MS;
-            boolean webViewReady = false;
-            int webViewStatus = WebViewFactory.LIBLOAD_SUCCESS;
-            synchronized (WebViewUpdateService.this) {
-                webViewReady = WebViewUpdateService.this.webViewIsReadyLocked();
-                while (!webViewReady) {
-                    final long timeNowMs = System.nanoTime() / NS_PER_MS;
-                    if (timeNowMs >= timeoutTimeMs) break;
-                    try {
-                        WebViewUpdateService.this.wait(timeoutTimeMs - timeNowMs);
-                    } catch (InterruptedException e) {}
-                    webViewReady = WebViewUpdateService.this.webViewIsReadyLocked();
-                }
-                // Make sure we return the provider that was used to create the relro file
-                webViewPackage = WebViewUpdateService.this.mCurrentWebViewPackage;
-                if (webViewReady) {
-                } else if (!mAnyWebViewInstalled) {
-                    webViewStatus = WebViewFactory.LIBLOAD_FAILED_LISTING_WEBVIEW_PACKAGES;
-                } else {
-                    // Either the current relro creation  isn't done yet, or the new relro creatioin
-                    // hasn't kicked off yet (the last relro creation used an out-of-date WebView).
-                    webViewStatus = WebViewFactory.LIBLOAD_FAILED_WAITING_FOR_RELRO;
-                }
-            }
-            if (!webViewReady) Slog.w(TAG, "creating relro file timed out");
-            return new WebViewProviderResponse(webViewPackage, webViewStatus);
+            return WebViewUpdateService.this.mWebViewUpdater.waitForAndGetProvider();
         }
 
         /**
@@ -615,7 +714,8 @@
 
             long callingId = Binder.clearCallingIdentity();
             try {
-                return WebViewUpdateService.this.changeProviderAndSetting(newProvider);
+                return WebViewUpdateService.this.mWebViewUpdater.changeProviderAndSetting(
+                        newProvider);
             } finally {
                 Binder.restoreCallingIdentity(callingId);
             }
@@ -623,7 +723,7 @@
 
         @Override // Binder call
         public WebViewProviderInfo[] getValidWebViewPackages() {
-            return WebViewUpdateService.this.getValidWebViewPackages();
+            return WebViewUpdateService.this.mWebViewUpdater.getValidWebViewPackages();
         }
 
         @Override // Binder call
@@ -633,11 +733,7 @@
 
         @Override // Binder call
         public String getCurrentWebViewPackageName() {
-            synchronized(WebViewUpdateService.this) {
-                if (WebViewUpdateService.this.mCurrentWebViewPackage == null)
-                    return null;
-                return WebViewUpdateService.this.mCurrentWebViewPackage.packageName;
-            }
+            return WebViewUpdateService.this.mWebViewUpdater.getCurrentWebViewPackageName();
         }
 
         @Override // Binder call
diff --git a/services/core/java/com/android/server/wm/AppTransition.java b/services/core/java/com/android/server/wm/AppTransition.java
index d684278..11b01cc 100644
--- a/services/core/java/com/android/server/wm/AppTransition.java
+++ b/services/core/java/com/android/server/wm/AppTransition.java
@@ -881,7 +881,7 @@
      * when a thumbnail is specified with the pending animation override.
      */
     Animation createThumbnailAspectScaleAnimationLocked(Rect appRect, @Nullable Rect contentInsets,
-            Bitmap thumbnailHeader, final int taskId, int orientation) {
+            Bitmap thumbnailHeader, final int taskId, int uiMode, int orientation) {
         Animation a;
         final int thumbWidthI = thumbnailHeader.getWidth();
         final float thumbWidth = thumbWidthI > 0 ? thumbWidthI : 1;
@@ -896,7 +896,7 @@
         final float toY;
         final float pivotX;
         final float pivotY;
-        if (orientation == Configuration.ORIENTATION_PORTRAIT) {
+        if (isTvUiMode(uiMode) || orientation == Configuration.ORIENTATION_PORTRAIT) {
             fromX = mTmpRect.left;
             fromY = mTmpRect.top;
 
@@ -1028,7 +1028,7 @@
      * activity that is leaving, and the activity that is entering.
      */
     Animation createAspectScaledThumbnailEnterExitAnimationLocked(int thumbTransitState,
-            int orientation, int transit, Rect containingFrame, Rect contentInsets,
+            int uiMode, int orientation, int transit, Rect containingFrame, Rect contentInsets,
             @Nullable Rect surfaceInsets, boolean freeform, int taskId) {
         Animation a;
         final int appWidth = containingFrame.width();
@@ -1067,8 +1067,7 @@
                     mTmpFromClipRect.inset(contentInsets);
                     mNextAppTransitionInsets.set(contentInsets);
 
-                    if (orientation == Configuration.ORIENTATION_PORTRAIT) {
-                        // We scale the width and clip to the top/left square
+                    if (isTvUiMode(uiMode) || orientation == Configuration.ORIENTATION_PORTRAIT) {
                         // We scale the width and clip to the top/left square
                         float scale = thumbWidth /
                                 (appWidth - contentInsets.left - contentInsets.right);
@@ -1401,7 +1400,7 @@
      *                      to the recents thumbnail and hence need to account for the surface being
      *                      bigger.
      */
-    Animation loadAnimation(WindowManager.LayoutParams lp, int transit, boolean enter,
+    Animation loadAnimation(WindowManager.LayoutParams lp, int transit, boolean enter, int uiMode,
             int orientation, Rect frame, Rect displayFrame, Rect insets,
             @Nullable Rect surfaceInsets, boolean isVoiceInteraction, boolean freeform,
             int taskId) {
@@ -1481,7 +1480,7 @@
             mNextAppTransitionScaleUp =
                     (mNextAppTransitionType == NEXT_TRANSIT_TYPE_THUMBNAIL_ASPECT_SCALE_UP);
             a = createAspectScaledThumbnailEnterExitAnimationLocked(
-                    getThumbnailTransitionState(enter), orientation, transit, frame,
+                    getThumbnailTransitionState(enter), uiMode, orientation, transit, frame,
                     insets, surfaceInsets, freeform, taskId);
             if (DEBUG_APP_TRANSITIONS || DEBUG_ANIM) {
                 String animName = mNextAppTransitionScaleUp ?
@@ -1922,4 +1921,11 @@
         }
         return prepared;
     }
+
+    /**
+     * @return whether the specified {@param uiMode} is the TV mode.
+     */
+    private boolean isTvUiMode(int uiMode) {
+        return (uiMode & Configuration.UI_MODE_TYPE_TELEVISION) > 0;
+    }
 }
diff --git a/services/core/java/com/android/server/wm/DockedStackDividerController.java b/services/core/java/com/android/server/wm/DockedStackDividerController.java
index 6f7e64f..6ac71c7 100644
--- a/services/core/java/com/android/server/wm/DockedStackDividerController.java
+++ b/services/core/java/com/android/server/wm/DockedStackDividerController.java
@@ -76,8 +76,8 @@
 
     private final WindowManagerService mService;
     private final DisplayContent mDisplayContent;
-    private final int mDividerWindowWidth;
-    private final int mDividerInsets;
+    private int mDividerWindowWidth;
+    private int mDividerInsets;
     private boolean mResizing;
     private WindowState mWindow;
     private final Rect mTmpRect = new Rect();
@@ -105,14 +105,23 @@
         mService = service;
         mDisplayContent = displayContent;
         final Context context = service.mContext;
-        mDividerWindowWidth = context.getResources().getDimensionPixelSize(
-                com.android.internal.R.dimen.docked_stack_divider_thickness);
-        mDividerInsets = context.getResources().getDimensionPixelSize(
-                com.android.internal.R.dimen.docked_stack_divider_insets);
         mDimLayer = new DimLayer(displayContent.mService, this, displayContent.getDisplayId(),
                 "DockedStackDim");
         mMinimizedDockInterpolator = AnimationUtils.loadInterpolator(
                 context, android.R.interpolator.fast_out_slow_in);
+        loadDimens();
+    }
+
+    private void loadDimens() {
+        final Context context = mService.mContext;
+        mDividerWindowWidth = context.getResources().getDimensionPixelSize(
+                com.android.internal.R.dimen.docked_stack_divider_thickness);
+        mDividerInsets = context.getResources().getDimensionPixelSize(
+                com.android.internal.R.dimen.docked_stack_divider_insets);
+    }
+
+    void onConfigurationChanged() {
+        loadDimens();
     }
 
     boolean isResizing() {
diff --git a/services/core/java/com/android/server/wm/Task.java b/services/core/java/com/android/server/wm/Task.java
index eea0ca0..8a9ace7 100644
--- a/services/core/java/com/android/server/wm/Task.java
+++ b/services/core/java/com/android/server/wm/Task.java
@@ -595,6 +595,12 @@
                 if (win.mHasSurface && !resizingWindows.contains(win)) {
                     if (DEBUG_RESIZE) Slog.d(TAG, "resizeWindows: Resizing " + win);
                     resizingWindows.add(win);
+
+                    // If we are not drag resizing, force recreating of a new surface so updating
+                    // the content and positioning that surface will be in sync.
+                    if (!win.computeDragResizing()) {
+                        win.mResizedWhileNotDragResizing = true;
+                    }
                 }
                 if (win.isGoneForLayoutLw()) {
                     win.mResizedWhileGone = true;
diff --git a/services/core/java/com/android/server/wm/TaskStack.java b/services/core/java/com/android/server/wm/TaskStack.java
index 0225c9b..3430ac9 100644
--- a/services/core/java/com/android/server/wm/TaskStack.java
+++ b/services/core/java/com/android/server/wm/TaskStack.java
@@ -37,8 +37,8 @@
 
 import static android.app.ActivityManager.DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT;
 import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
-import static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID;
 import static android.app.ActivityManager.StackId.PINNED_STACK_ID;
+import static android.content.res.Configuration.DENSITY_DPI_UNDEFINED;
 import static android.content.res.Configuration.ORIENTATION_PORTRAIT;
 import static android.view.WindowManager.DOCKED_BOTTOM;
 import static android.view.WindowManager.DOCKED_INVALID;
@@ -89,6 +89,9 @@
     // Device rotation as of the last time {@link #mBounds} was set.
     int mRotation;
 
+    /** Density as of last time {@link #mBounds} was set. */
+    int mDensity;
+
     /** Support for non-zero {@link android.view.animation.Animation#getBackgroundColor()} */
     DimLayer mAnimationBackgroundSurface;
 
@@ -250,9 +253,11 @@
     private boolean setBounds(Rect bounds) {
         boolean oldFullscreen = mFullscreen;
         int rotation = Surface.ROTATION_0;
+        int density = DENSITY_DPI_UNDEFINED;
         if (mDisplayContent != null) {
             mDisplayContent.getLogicalDisplayRect(mTmpRect);
             rotation = mDisplayContent.getDisplayInfo().rotation;
+            density = mDisplayContent.getDisplayInfo().logicalDensityDpi;
             mFullscreen = bounds == null;
             if (mFullscreen) {
                 bounds = mTmpRect;
@@ -274,6 +279,7 @@
 
         mBounds.set(bounds);
         mRotation = rotation;
+        mDensity = density;
 
         updateAdjustedBounds();
 
@@ -343,20 +349,21 @@
 
         mTmpRect2.set(mBounds);
         final int newRotation = mDisplayContent.getDisplayInfo().rotation;
-        if (mRotation == newRotation) {
+        final int newDensity = mDisplayContent.getDisplayInfo().logicalDensityDpi;
+        if (mRotation == newRotation && mDensity == newDensity) {
             setBounds(mTmpRect2);
         } else {
             mLastUpdateDisplayInfoRotation = newRotation;
-            updateBoundsAfterRotation(true);
+            updateBoundsAfterConfigChange(true);
         }
     }
 
     boolean onConfigurationChanged() {
         mLastConfigChangedRotation = getDisplayInfo().rotation;
-        return updateBoundsAfterRotation(false);
+        return updateBoundsAfterConfigChange(false);
     }
 
-    boolean updateBoundsAfterRotation(boolean scheduleResize) {
+    boolean updateBoundsAfterConfigChange(boolean scheduleResize) {
         if (mLastConfigChangedRotation != mLastUpdateDisplayInfoRotation) {
             // We wait for the rotation values after configuration change and display info. update
             // to be equal before updating the bounds due to rotation change otherwise things might
@@ -365,8 +372,9 @@
         }
 
         final int newRotation = getDisplayInfo().rotation;
+        final int newDensity = getDisplayInfo().logicalDensityDpi;
 
-        if (mRotation == newRotation) {
+        if (mRotation == newRotation && mDensity == newDensity) {
             // Nothing to do here if the rotation didn't change
             return false;
         }
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index 25da773..2af324d 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -2586,7 +2586,7 @@
 
                     try {
 
-                        win.applyGravityAndUpdateFrame();
+                        win.applyGravityAndUpdateFrame(win.mContainingFrame, win.mDisplayFrame);
                         win.mWinAnimator.computeShownFrameLocked();
 
                         win.mWinAnimator.setSurfaceBoundariesLocked(false);
@@ -2935,8 +2935,9 @@
 
         // If we're starting a drag-resize, we'll be changing the surface size as well as
         // notifying the client to render to with an offset from the surface's top-left.
-        if (win.isDragResizeChanged()) {
+        if (win.isDragResizeChanged() || win.mResizedWhileNotDragResizing) {
             win.setDragResizing();
+            win.mResizedWhileNotDragResizing = false;
             // We can only change top level windows to the full-screen surface when
             // resizing (as we only have one full-screen surface). So there is no need
             // to preserve and destroy windows which are attached to another, they
@@ -3058,7 +3059,7 @@
             if (DEBUG_APP_TRANSITIONS) Slog.d(TAG_WM, "Loading animation for app transition."
                     + " transit=" + AppTransition.appTransitionToString(transit) + " enter=" + enter
                     + " frame=" + frame + " insets=" + insets + " surfaceInsets=" + surfaceInsets);
-            Animation a = mAppTransition.loadAnimation(lp, transit, enter,
+            Animation a = mAppTransition.loadAnimation(lp, transit, enter, mCurConfiguration.uiMode,
                     mCurConfiguration.orientation, frame, displayFrame, insets, surfaceInsets,
                     isVoiceInteraction, freeform, atoken.mTask.mTaskId);
             if (a != null) {
@@ -3627,6 +3628,8 @@
     }
 
     private int[] onConfigurationChanged() {
+        mPolicy.onConfigurationChanged();
+        getDefaultDisplayContentLocked().getDockedDividerController().onConfigurationChanged();
         mChangedStackList.clear();
         for (int stackNdx = mStackIdToStack.size() - 1; stackNdx >= 0; stackNdx--) {
             final TaskStack stack = mStackIdToStack.valueAt(stackNdx);
@@ -9021,7 +9024,8 @@
                     || winAnimator.mSurfaceResized
                     || w.mOutsetsChanged
                     || configChanged
-                    || dragResizingChanged) {
+                    || dragResizingChanged
+                    || w.mResizedWhileNotDragResizing) {
                 if (DEBUG_RESIZE || DEBUG_ORIENTATION) {
                     Slog.v(TAG_WM, "Resize reasons for w=" + w + ": "
                             + " contentInsetsChanged=" + w.mContentInsetsChanged
@@ -9055,7 +9059,8 @@
                 // the display until this window has been redrawn; to do that,
                 // we need to go through the process of getting informed by the
                 // application when it has finished drawing.
-                if (w.mOrientationChanging || dragResizingChanged) {
+                if (w.mOrientationChanging || dragResizingChanged
+                        || w.mResizedWhileNotDragResizing) {
                     if (DEBUG_SURFACE_TRACE || DEBUG_ANIM || DEBUG_ORIENTATION || DEBUG_RESIZE) {
                         Slog.v(TAG_WM, "Orientation or resize start waiting for draw"
                                 + ", mDrawState=DRAW_PENDING in " + w
diff --git a/services/core/java/com/android/server/wm/WindowState.java b/services/core/java/com/android/server/wm/WindowState.java
index c62292d..ddfc022 100644
--- a/services/core/java/com/android/server/wm/WindowState.java
+++ b/services/core/java/com/android/server/wm/WindowState.java
@@ -328,6 +328,8 @@
      */
     final Rect mInsetFrame = new Rect();
 
+    private static final Rect sTmpRect = new Rect();
+
     boolean mContentChanged;
 
     // If a window showing a wallpaper: the requested offset for the
@@ -466,6 +468,13 @@
      */
     boolean mResizedWhileGone = false;
 
+    /**
+     * Indicates whether we got resized but drag resizing flag was false. In this case, we also
+     * need to recreate the surface and defer surface bound updates in order to make sure the
+     * buffer contents and the positioning/size stay in sync.
+     */
+    boolean mResizedWhileNotDragResizing;
+
     WindowState(WindowManagerService service, Session s, IWindow c, WindowToken token,
            WindowState attachedWindow, int appOp, int seq, WindowManager.LayoutParams a,
            int viewVisibility, final DisplayContent displayContent) {
@@ -629,6 +638,20 @@
         return mAttrs.packageName;
     }
 
+    /**
+     * Subtracts the insets calculated by intersecting {@param layoutFrame} with {@param insetFrame}
+     * from {@param frame}. In other words, it applies the insets that would result if
+     * {@param frame} would be shifted to {@param layoutFrame} and then applying the insets from
+     * {@param insetFrame}.
+     */
+    private void subtractInsets(Rect frame, Rect layoutFrame, Rect insetFrame) {
+        final int left = Math.max(0, insetFrame.left - layoutFrame.left);
+        final int top = Math.max(0, insetFrame.top - layoutFrame.top);
+        final int right = Math.max(0, layoutFrame.right - insetFrame.right);
+        final int bottom = Math.max(0, layoutFrame.bottom - insetFrame.bottom);
+        frame.inset(left, top, right, bottom);
+    }
+
     @Override
     public void computeFrameLw(Rect pf, Rect df, Rect of, Rect cf, Rect vf, Rect dcf, Rect sf,
             Rect osf) {
@@ -654,11 +677,25 @@
             task.getTempInsetBounds(mInsetFrame);
         }
 
+        // Denotes the actual frame used to calculate the insets and to perform the layout. When
+        // resizing in docked mode, we'd like to freeze the layout, so we also need to freeze the
+        // insets temporarily. By the notion of a task having a different layout frame, we can
+        // achieve that while still moving the task around.
+        final Rect layoutContainingFrame;
+        final Rect layoutDisplayFrame;
+
+        // The offset from the layout containing frame to the actual containing frame.
+        final int layoutXDiff;
+        final int layoutYDiff;
         if (mInsetFrame.isEmpty()  && (fullscreenTask
                 || layoutInParentFrame())) {
             // We use the parent frame as the containing frame for fullscreen and child windows
             mContainingFrame.set(pf);
             mDisplayFrame.set(df);
+            layoutDisplayFrame = df;
+            layoutContainingFrame = pf;
+            layoutXDiff = 0;
+            layoutYDiff = 0;
         } else {
             task.getBounds(mContainingFrame);
             if (mAppToken != null && !mAppToken.mFrozenBounds.isEmpty()) {
@@ -693,6 +730,14 @@
                 }
             }
             mDisplayFrame.set(mContainingFrame);
+            layoutXDiff = !mInsetFrame.isEmpty() ? mInsetFrame.left - mContainingFrame.left : 0;
+            layoutYDiff = !mInsetFrame.isEmpty() ? mInsetFrame.top - mContainingFrame.top : 0;
+            layoutContainingFrame = !mInsetFrame.isEmpty() ? mInsetFrame : mContainingFrame;
+            subtractInsets(mDisplayFrame, layoutContainingFrame, df);
+            subtractInsets(mContainingFrame, layoutContainingFrame, pf);
+            subtractInsets(mInsetFrame, layoutContainingFrame, pf);
+            layoutDisplayFrame = df;
+            layoutDisplayFrame.intersect(layoutContainingFrame);
         }
 
         final int pw = mContainingFrame.width();
@@ -723,7 +768,11 @@
         final int fw = mFrame.width();
         final int fh = mFrame.height();
 
-        applyGravityAndUpdateFrame();
+        applyGravityAndUpdateFrame(layoutContainingFrame, layoutDisplayFrame);
+
+        // Offset the actual frame by the amount layout frame is off.
+        mFrame.offset(-layoutXDiff, -layoutYDiff);
+        mCompatFrame.offset(-layoutXDiff, -layoutYDiff);
 
         // Calculate the outsets before the content frame gets shrinked to the window frame.
         if (hasOutsets) {
@@ -735,12 +784,6 @@
             mOutsets.set(0, 0, 0, 0);
         }
 
-        // Denotes the actual frame used to calculate the insets. When resizing in docked mode,
-        // we'd like to freeze the layout, so we also need to freeze the insets temporarily. By the
-        // notion of a task having a different inset frame, we can achieve that while still moving
-        // the task around.
-        final Rect frame = !mInsetFrame.isEmpty() ? mInsetFrame : mFrame;
-
         // Make sure the content and visible frames are inside of the
         // final window frame.
         if (windowsAreFloating && !mFrame.isEmpty()) {
@@ -769,29 +812,29 @@
                 mMovedByResize = true;
             }
         } else {
-            mContentFrame.set(Math.max(mContentFrame.left, frame.left),
-                    Math.max(mContentFrame.top, frame.top),
-                    Math.min(mContentFrame.right, frame.right),
-                    Math.min(mContentFrame.bottom, frame.bottom));
+            mContentFrame.set(Math.max(mContentFrame.left, layoutContainingFrame.left),
+                    Math.max(mContentFrame.top, layoutContainingFrame.top),
+                    Math.min(mContentFrame.right, layoutContainingFrame.right),
+                    Math.min(mContentFrame.bottom, layoutContainingFrame.bottom));
 
-            mVisibleFrame.set(Math.max(mVisibleFrame.left, frame.left),
-                    Math.max(mVisibleFrame.top, frame.top),
-                    Math.min(mVisibleFrame.right, frame.right),
-                    Math.min(mVisibleFrame.bottom, frame.bottom));
+            mVisibleFrame.set(Math.max(mVisibleFrame.left, layoutContainingFrame.left),
+                    Math.max(mVisibleFrame.top, layoutContainingFrame.top),
+                    Math.min(mVisibleFrame.right, layoutContainingFrame.right),
+                    Math.min(mVisibleFrame.bottom, layoutContainingFrame.bottom));
 
-            mStableFrame.set(Math.max(mStableFrame.left, frame.left),
-                    Math.max(mStableFrame.top, frame.top),
-                    Math.min(mStableFrame.right, frame.right),
-                    Math.min(mStableFrame.bottom, frame.bottom));
+            mStableFrame.set(Math.max(mStableFrame.left, layoutContainingFrame.left),
+                    Math.max(mStableFrame.top, layoutContainingFrame.top),
+                    Math.min(mStableFrame.right, layoutContainingFrame.right),
+                    Math.min(mStableFrame.bottom, layoutContainingFrame.bottom));
         }
 
         if (fullscreenTask && !windowsAreFloating) {
             // Windows that are not fullscreen can be positioned outside of the display frame,
             // but that is not a reason to provide them with overscan insets.
-            mOverscanInsets.set(Math.max(mOverscanFrame.left - frame.left, 0),
-                    Math.max(mOverscanFrame.top - frame.top, 0),
-                    Math.max(frame.right - mOverscanFrame.right, 0),
-                    Math.max(frame.bottom - mOverscanFrame.bottom, 0));
+            mOverscanInsets.set(Math.max(mOverscanFrame.left - layoutContainingFrame.left, 0),
+                    Math.max(mOverscanFrame.top - layoutContainingFrame.top, 0),
+                    Math.max(layoutContainingFrame.right - mOverscanFrame.right, 0),
+                    Math.max(layoutContainingFrame.bottom - mOverscanFrame.bottom, 0));
         }
 
         if (mAttrs.type == TYPE_DOCK_DIVIDER) {
@@ -812,45 +855,32 @@
             // non-fullscreen mode.
             boolean overrideRightInset = !fullscreenTask && mFrame.right > mTmpRect.right;
             boolean overrideBottomInset = !fullscreenTask && mFrame.bottom > mTmpRect.bottom;
-            mContentInsets.set(mContentFrame.left - frame.left,
-                    mContentFrame.top - frame.top,
+            mContentInsets.set(mContentFrame.left - layoutContainingFrame.left,
+                    mContentFrame.top - layoutContainingFrame.top,
                     overrideRightInset ? mTmpRect.right - mContentFrame.right
-                            : frame.right - mContentFrame.right,
+                            : layoutContainingFrame.right - mContentFrame.right,
                     overrideBottomInset ? mTmpRect.bottom - mContentFrame.bottom
-                            : frame.bottom - mContentFrame.bottom);
+                            : layoutContainingFrame.bottom - mContentFrame.bottom);
 
-            mVisibleInsets.set(mVisibleFrame.left - frame.left,
-                    mVisibleFrame.top - frame.top,
+            mVisibleInsets.set(mVisibleFrame.left - layoutContainingFrame.left,
+                    mVisibleFrame.top - layoutContainingFrame.top,
                     overrideRightInset ? mTmpRect.right - mVisibleFrame.right
-                            : frame.right - mVisibleFrame.right,
+                            : layoutContainingFrame.right - mVisibleFrame.right,
                     overrideBottomInset ? mTmpRect.bottom - mVisibleFrame.bottom
-                            : frame.bottom - mVisibleFrame.bottom);
+                            : layoutContainingFrame.bottom - mVisibleFrame.bottom);
 
-            mStableInsets.set(Math.max(mStableFrame.left - frame.left, 0),
-                    Math.max(mStableFrame.top - frame.top, 0),
+            mStableInsets.set(Math.max(mStableFrame.left - layoutContainingFrame.left, 0),
+                    Math.max(mStableFrame.top - layoutContainingFrame.top, 0),
                     overrideRightInset ? Math.max(mTmpRect.right - mStableFrame.right, 0)
-                            : Math.max(frame.right - mStableFrame.right, 0),
+                            : Math.max(layoutContainingFrame.right - mStableFrame.right, 0),
                     overrideBottomInset ? Math.max(mTmpRect.bottom - mStableFrame.bottom, 0)
-                            :  Math.max(frame.bottom - mStableFrame.bottom, 0));
+                            :  Math.max(layoutContainingFrame.bottom - mStableFrame.bottom, 0));
         }
 
-        if (!mInsetFrame.isEmpty()) {
-            mContentFrame.set(mFrame);
-            mContentFrame.top += mContentInsets.top;
-            mContentFrame.bottom -= mContentInsets.bottom;
-            mContentFrame.left += mContentInsets.left;
-            mContentFrame.right -= mContentInsets.right;
-            mVisibleFrame.set(mFrame);
-            mVisibleFrame.top += mVisibleInsets.top;
-            mVisibleFrame.bottom -= mVisibleInsets.bottom;
-            mVisibleFrame.left += mVisibleInsets.left;
-            mVisibleFrame.right -= mVisibleInsets.right;
-            mStableFrame.set(mFrame);
-            mStableFrame.top += mStableInsets.top;
-            mStableFrame.bottom -= mStableInsets.bottom;
-            mStableFrame.left += mStableInsets.left;
-            mStableFrame.right -= mStableInsets.right;
-        }
+        mContentFrame.offset(-layoutXDiff, -layoutYDiff);
+        mVisibleFrame.offset(-layoutXDiff, -layoutYDiff);
+        mStableFrame.offset(-layoutXDiff, -layoutYDiff);
+
         mCompatFrame.set(mFrame);
         if (mEnforceSizeCompat) {
             // If there is a size compatibility scale being applied to the
@@ -2549,9 +2579,9 @@
         }
     }
 
-    void applyGravityAndUpdateFrame() {
-        final int pw = mContainingFrame.width();
-        final int ph = mContainingFrame.height();
+    void applyGravityAndUpdateFrame(Rect containingFrame, Rect displayFrame) {
+        final int pw = containingFrame.width();
+        final int ph = containingFrame.height();
         final Task task = getTask();
         final boolean nonFullscreenTask = isInMultiWindowMode();
         final boolean fitToDisplay = task != null && !task.isFloating() && !layoutInParentFrame();
@@ -2606,13 +2636,13 @@
         }
 
         // Set mFrame
-        Gravity.apply(mAttrs.gravity, w, h, mContainingFrame,
+        Gravity.apply(mAttrs.gravity, w, h, containingFrame,
                 (int) (x + mAttrs.horizontalMargin * pw),
                 (int) (y + mAttrs.verticalMargin * ph), mFrame);
 
         // Now make sure the window fits in the overall display frame.
         if (fitToDisplay) {
-            Gravity.applyDisplay(mAttrs.gravity, mDisplayFrame, mFrame);
+            Gravity.applyDisplay(mAttrs.gravity, displayFrame, mFrame);
         }
 
         // We need to make sure we update the CompatFrame as it is used for
diff --git a/services/core/java/com/android/server/wm/WindowStateAnimator.java b/services/core/java/com/android/server/wm/WindowStateAnimator.java
index 8fd8bc0..34452ee 100644
--- a/services/core/java/com/android/server/wm/WindowStateAnimator.java
+++ b/services/core/java/com/android/server/wm/WindowStateAnimator.java
@@ -1318,6 +1318,11 @@
         final WindowState w = mWin;
         final Task task = w.getTask();
 
+        // We got resized, so block all updates until we got the new surface.
+        if (w.mResizedWhileNotDragResizing) {
+            return;
+        }
+
         mTmpSize.set(w.mShownPosition.x, w.mShownPosition.y, 0, 0);
         calculateSurfaceBounds(w, w.getAttrs());
 
diff --git a/services/core/java/com/android/server/wm/WindowSurfacePlacer.java b/services/core/java/com/android/server/wm/WindowSurfacePlacer.java
index eda2f39..04aa735 100644
--- a/services/core/java/com/android/server/wm/WindowSurfacePlacer.java
+++ b/services/core/java/com/android/server/wm/WindowSurfacePlacer.java
@@ -1582,7 +1582,8 @@
                 // synchronize its thumbnail surface with the surface for the
                 // open/close animation (only on the way down)
                 anim = mService.mAppTransition.createThumbnailAspectScaleAnimationLocked(appRect,
-                        insets, thumbnailHeader, taskId, mService.mCurConfiguration.orientation);
+                        insets, thumbnailHeader, taskId, mService.mCurConfiguration.uiMode,
+                        mService.mCurConfiguration.orientation);
                 openingAppAnimator.thumbnailForceAboveLayer = Math.max(openingLayer, closingLayer);
                 openingAppAnimator.deferThumbnailDestruction =
                         !mService.mAppTransition.isNextThumbnailTransitionScaleUp();
diff --git a/services/core/jni/com_android_server_input_InputManagerService.cpp b/services/core/jni/com_android_server_input_InputManagerService.cpp
index a5237ca..cd485c5 100644
--- a/services/core/jni/com_android_server_input_InputManagerService.cpp
+++ b/services/core/jni/com_android_server_input_InputManagerService.cpp
@@ -1312,6 +1312,12 @@
     }
 }
 
+static void nativeToggleCapsLock(JNIEnv* env, jclass /* clazz */,
+         jlong ptr, jint deviceId) {
+    NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
+    im->getInputManager()->getReader()->toggleCapsLockState(deviceId);
+}
+
 static void nativeSetInputWindows(JNIEnv* env, jclass /* clazz */,
         jlong ptr, jobjectArray windowHandleObjArray) {
     NativeInputManager* im = reinterpret_cast<NativeInputManager*>(ptr);
@@ -1508,6 +1514,8 @@
             (void*) nativeSetInputFilterEnabled },
     { "nativeInjectInputEvent", "(JLandroid/view/InputEvent;IIIIII)I",
             (void*) nativeInjectInputEvent },
+    { "nativeToggleCapsLock", "(JI)V",
+            (void*) nativeToggleCapsLock },
     { "nativeSetInputWindows", "(J[Lcom/android/server/input/InputWindowHandle;)V",
             (void*) nativeSetInputWindows },
     { "nativeSetFocusedApplication", "(JLcom/android/server/input/InputApplicationHandle;)V",
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
index 42b5705..fdea84b 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
@@ -3890,9 +3890,6 @@
         // back in to the service.
         final long ident = mInjector.binderClearCallingIdentity();
         try {
-            if (isManagedProfile(userHandle)) {
-                mLockPatternUtils.setSeparateProfileChallengeEnabled(userHandle, true);
-            }
             if (!TextUtils.isEmpty(password)) {
                 mLockPatternUtils.saveLockPassword(password, null, quality, userHandle);
             } else {
@@ -3981,6 +3978,15 @@
                         && timeMs > admin.maximumTimeToUnlock) {
                     timeMs = admin.maximumTimeToUnlock;
                 }
+                // If userInfo.id is a managed profile, we also need to look at
+                // the policies set on the parent.
+                if (admin.hasParentActiveAdmin()) {
+                    final ActiveAdmin parentAdmin = admin.getParentActiveAdmin();
+                    if (parentAdmin.maximumTimeToUnlock > 0
+                            && timeMs > parentAdmin.maximumTimeToUnlock) {
+                        timeMs = parentAdmin.maximumTimeToUnlock;
+                    }
+                }
             }
         }
 
@@ -4014,30 +4020,57 @@
         }
         enforceFullCrossUsersPermission(userHandle);
         synchronized (this) {
-            long time = 0;
-
             if (who != null) {
                 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle, parent);
-                return admin != null ? admin.maximumTimeToUnlock : time;
+                return admin != null ? admin.maximumTimeToUnlock : 0;
             }
-
             // Return the strictest policy across all participating admins.
             List<ActiveAdmin> admins = getActiveAdminsForLockscreenPoliciesLocked(
                     userHandle, parent);
-            final int N = admins.size();
-            for (int i = 0; i < N; i++) {
-                ActiveAdmin admin = admins.get(i);
-                if (time == 0) {
-                    time = admin.maximumTimeToUnlock;
-                } else if (admin.maximumTimeToUnlock != 0
-                        && time > admin.maximumTimeToUnlock) {
-                    time = admin.maximumTimeToUnlock;
+            return getMaximumTimeToLockPolicyFromAdmins(admins);
+        }
+    }
+
+    @Override
+    public long getMaximumTimeToLockForUserAndProfiles(int userHandle) {
+        if (!mHasFeature) {
+            return 0;
+        }
+        enforceFullCrossUsersPermission(userHandle);
+        synchronized (this) {
+            // All admins for this user.
+            ArrayList<ActiveAdmin> admins = new ArrayList<ActiveAdmin>();
+            for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) {
+                DevicePolicyData policy = getUserData(userInfo.id);
+                admins.addAll(policy.mAdminList);
+                // If it is a managed profile, it may have parent active admins
+                if (userInfo.isManagedProfile()) {
+                    for (ActiveAdmin admin : policy.mAdminList) {
+                        if (admin.hasParentActiveAdmin()) {
+                            admins.add(admin.getParentActiveAdmin());
+                        }
+                    }
                 }
             }
-            return time;
+            return getMaximumTimeToLockPolicyFromAdmins(admins);
         }
     }
 
+    private long getMaximumTimeToLockPolicyFromAdmins(List<ActiveAdmin> admins) {
+        long time = 0;
+        final int N = admins.size();
+        for (int i = 0; i < N; i++) {
+            ActiveAdmin admin = admins.get(i);
+            if (time == 0) {
+                time = admin.maximumTimeToUnlock;
+            } else if (admin.maximumTimeToUnlock != 0
+                    && time > admin.maximumTimeToUnlock) {
+                time = admin.maximumTimeToUnlock;
+            }
+        }
+        return time;
+    }
+
     @Override
     public void lockNow(boolean parent) {
         if (!mHasFeature) {
diff --git a/services/tests/servicestests/src/com/android/server/ConnectivityServiceTest.java b/services/tests/servicestests/src/com/android/server/ConnectivityServiceTest.java
index 8e11511..2f20a4b 100644
--- a/services/tests/servicestests/src/com/android/server/ConnectivityServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/ConnectivityServiceTest.java
@@ -59,6 +59,7 @@
 import android.os.MessageQueue;
 import android.os.Messenger;
 import android.os.MessageQueue.IdleHandler;
+import android.os.Process;
 import android.os.SystemClock;
 import android.test.AndroidTestCase;
 import android.test.suitebuilder.annotation.LargeTest;
@@ -690,6 +691,7 @@
         assertEquals(transportToLegacyType(transport), mCm.getActiveNetworkInfo().getType());
         // Test getActiveNetwork()
         assertNotNull(mCm.getActiveNetwork());
+        assertEquals(mCm.getActiveNetwork(), mCm.getActiveNetworkForUid(Process.myUid()));
         switch (transport) {
             case TRANSPORT_WIFI:
                 assertEquals(mCm.getActiveNetwork(), mWiFiNetworkAgent.getNetwork());
@@ -713,6 +715,7 @@
         assertNull(mCm.getActiveNetworkInfo());
         // Test getActiveNetwork()
         assertNull(mCm.getActiveNetwork());
+        assertNull(mCm.getActiveNetworkForUid(Process.myUid()));
         // Test getAllNetworks()
         assertEquals(0, mCm.getAllNetworks().length);
     }
diff --git a/services/tests/servicestests/src/com/android/server/content/ObserverNodeTest.java b/services/tests/servicestests/src/com/android/server/content/ObserverNodeTest.java
index 5b70c17..07280bc 100644
--- a/services/tests/servicestests/src/com/android/server/content/ObserverNodeTest.java
+++ b/services/tests/servicestests/src/com/android/server/content/ObserverNodeTest.java
@@ -62,7 +62,7 @@
         ArrayList<ObserverCall> calls = new ArrayList<ObserverCall>();
 
         for (int i = nums.length - 1; i >=0; --i) {
-            root.collectObserversLocked(uris[i], 0, null, false, myUserHandle, calls);
+            root.collectObserversLocked(uris[i], 0, null, false, 0, myUserHandle, calls);
             assertEquals(nums[i], calls.size());
             calls.clear();
         }
@@ -92,7 +92,7 @@
         ArrayList<ObserverCall> calls = new ArrayList<ObserverCall>();
 
         for (int i = uris.length - 1; i >=0; --i) {
-            root.collectObserversLocked(uris[i], 0, null, false, myUserHandle, calls);
+            root.collectObserversLocked(uris[i], 0, null, false, 0, myUserHandle, calls);
             assertEquals(nums[i], calls.size());
             calls.clear();
         }
diff --git a/services/usage/java/com/android/server/usage/UsageStatsService.java b/services/usage/java/com/android/server/usage/UsageStatsService.java
index beec40f..0aeb96f 100644
--- a/services/usage/java/com/android/server/usage/UsageStatsService.java
+++ b/services/usage/java/com/android/server/usage/UsageStatsService.java
@@ -144,6 +144,7 @@
     private long mLastAppIdleParoledTime;
 
     private volatile boolean mPendingOneTimeCheckIdleStates;
+    private boolean mSystemServicesReady = false;
 
     @GuardedBy("mLock")
     private AppIdleHistory mAppIdleHistory;
@@ -232,6 +233,8 @@
             if (mPendingOneTimeCheckIdleStates) {
                 postOneTimeCheckIdleStates();
             }
+
+            mSystemServicesReady = true;
         } else if (phase == PHASE_BOOT_COMPLETED) {
             setAppIdleParoled(getContext().getSystemService(BatteryManager.class).isCharging());
         }
@@ -810,28 +813,30 @@
             // retain this for safety).
             return false;
         }
-        try {
-            // We allow all whitelisted apps, including those that don't want to be whitelisted
-            // for idle mode, because app idle (aka app standby) is really not as big an issue
-            // for controlling who participates vs. doze mode.
-            if (mDeviceIdleController.isPowerSaveWhitelistExceptIdleApp(packageName)) {
+        if (mSystemServicesReady) {
+            try {
+                // We allow all whitelisted apps, including those that don't want to be whitelisted
+                // for idle mode, because app idle (aka app standby) is really not as big an issue
+                // for controlling who participates vs. doze mode.
+                if (mDeviceIdleController.isPowerSaveWhitelistExceptIdleApp(packageName)) {
+                    return false;
+                }
+            } catch (RemoteException re) {
+                throw re.rethrowFromSystemServer();
+            }
+
+            if (isActiveDeviceAdmin(packageName, userId)) {
                 return false;
             }
-        } catch (RemoteException re) {
-            throw re.rethrowFromSystemServer();
-        }
 
-        if (isActiveDeviceAdmin(packageName, userId)) {
-            return false;
-        }
+            if (isActiveNetworkScorer(packageName)) {
+                return false;
+            }
 
-        if (isActiveNetworkScorer(packageName)) {
-            return false;
-        }
-
-        if (mAppWidgetManager != null
-                && mAppWidgetManager.isBoundWidgetPackage(packageName, userId)) {
-            return false;
+            if (mAppWidgetManager != null
+                    && mAppWidgetManager.isBoundWidgetPackage(packageName, userId)) {
+                return false;
+            }
         }
 
         if (!isAppIdleUnfiltered(packageName, userId, elapsedRealtime)) {
diff --git a/tools/aapt/Command.cpp b/tools/aapt/Command.cpp
index 0bb88a7..db40416 100644
--- a/tools/aapt/Command.cpp
+++ b/tools/aapt/Command.cpp
@@ -492,6 +492,21 @@
     SortedVector<String8> reasons;
 };
 
+struct Feature {
+    Feature() : required(false), version(-1) {}
+    Feature(bool required, int32_t version = -1) : required(required), version(version) {}
+
+    /**
+     * Whether the feature is required.
+     */
+    bool required;
+
+    /**
+     * What version of the feature is requested.
+     */
+    int32_t version;
+};
+
 /**
  * Represents a <feature-group> tag in the AndroidManifest.xml
  */
@@ -506,7 +521,7 @@
     /**
      * Explicit features defined in the group
      */
-    KeyedVector<String8, bool> features;
+    KeyedVector<String8, Feature> features;
 
     /**
      * OpenGL ES version required
@@ -541,11 +556,18 @@
 
     const size_t numFeatures = grp.features.size();
     for (size_t i = 0; i < numFeatures; i++) {
-        const bool required = grp.features[i];
+        const Feature& feature = grp.features[i];
+        const bool required = feature.required;
+        const int32_t version = feature.version;
 
         const String8& featureName = grp.features.keyAt(i);
-        printf("  uses-feature%s: name='%s'\n", (required ? "" : "-not-required"),
+        printf("  uses-feature%s: name='%s'", (required ? "" : "-not-required"),
                 ResTable::normalizeForOutput(featureName.string()).string());
+
+        if (version > 0) {
+            printf(" version='%d'", version);
+        }
+        printf("\n");
     }
 
     const size_t numImpliedFeatures =
@@ -590,15 +612,15 @@
 static void addParentFeatures(FeatureGroup* grp, const String8& name) {
     if (name == "android.hardware.camera.autofocus" ||
             name == "android.hardware.camera.flash") {
-        grp->features.add(String8("android.hardware.camera"), true);
+        grp->features.add(String8("android.hardware.camera"), Feature(true));
     } else if (name == "android.hardware.location.gps" ||
             name == "android.hardware.location.network") {
-        grp->features.add(String8("android.hardware.location"), true);
+        grp->features.add(String8("android.hardware.location"), Feature(true));
     } else if (name == "android.hardware.touchscreen.multitouch") {
-        grp->features.add(String8("android.hardware.touchscreen"), true);
+        grp->features.add(String8("android.hardware.touchscreen"), Feature(true));
     } else if (name == "android.hardware.touchscreen.multitouch.distinct") {
-        grp->features.add(String8("android.hardware.touchscreen.multitouch"), true);
-        grp->features.add(String8("android.hardware.touchscreen"), true);
+        grp->features.add(String8("android.hardware.touchscreen.multitouch"), Feature(true));
+        grp->features.add(String8("android.hardware.touchscreen"), Feature(true));
     } else if (name == "android.hardware.opengles.aep") {
         const int openGLESVersion31 = 0x00030001;
         if (openGLESVersion31 > grp->openGLESVersion) {
@@ -727,6 +749,9 @@
         return 1;
     }
 
+    // Source for AndroidManifest.xml
+    const String8 manifestFile = String8::format("%s@AndroidManifest.xml", filename);
+
     // The dynamicRefTable can be null if there are no resources for this asset cookie.
     // This fine.
     const DynamicRefTable* dynamicRefTable = res.getDynamicRefTableForCookie(assetsCookie);
@@ -1424,10 +1449,28 @@
                     } else if (tag == "uses-feature") {
                         String8 name = AaptXml::getAttribute(tree, NAME_ATTR, &error);
                         if (name != "" && error == "") {
-                            int req = AaptXml::getIntegerAttribute(tree,
-                                    REQUIRED_ATTR, 1);
+                            const char* androidSchema =
+                                    "http://schemas.android.com/apk/res/android";
 
-                            commonFeatures.features.add(name, req);
+                            int32_t req = AaptXml::getIntegerAttribute(tree, REQUIRED_ATTR, 1,
+                                                                       &error);
+                            if (error != "") {
+                                SourcePos(manifestFile, tree.getLineNumber()).error(
+                                        "failed to read attribute 'android:required': %s",
+                                        error.string());
+                                goto bail;
+                            }
+
+                            int32_t version = AaptXml::getIntegerAttribute(tree, androidSchema,
+                                                                           "version", 0, &error);
+                            if (error != "") {
+                                SourcePos(manifestFile, tree.getLineNumber()).error(
+                                        "failed to read attribute 'android:version': %s",
+                                        error.string());
+                                goto bail;
+                            }
+
+                            commonFeatures.features.add(name, Feature(req != 0, version));
                             if (req) {
                                 addParentFeatures(&commonFeatures, name);
                             }
@@ -1751,12 +1794,27 @@
                             }
                         }
                     } else if (withinFeatureGroup && tag == "uses-feature") {
+                        const String8 androidSchema("http://schemas.android.com/apk/res/android");
                         FeatureGroup& top = featureGroups.editTop();
 
                         String8 name = AaptXml::getResolvedAttribute(res, tree, NAME_ATTR, &error);
                         if (name != "" && error == "") {
-                            top.features.add(name, true);
+                            Feature feature(true);
+
+                            int32_t featureVers = AaptXml::getIntegerAttribute(
+                                    tree, androidSchema.string(), "version", 0, &error);
+                            if (error == "") {
+                                feature.version = featureVers;
+                            } else {
+                                SourcePos(manifestFile, tree.getLineNumber()).error(
+                                        "failed to read attribute 'android:version': %s",
+                                        error.string());
+                                goto bail;
+                            }
+
+                            top.features.add(name, feature);
                             addParentFeatures(&top, name);
+
                         } else {
                             int vers = AaptXml::getIntegerAttribute(tree, GL_ES_VERSION_ATTR,
                                     &error);
diff --git a/tools/aapt2/Android.mk b/tools/aapt2/Android.mk
index 876a422..3a1e2bb 100644
--- a/tools/aapt2/Android.mk
+++ b/tools/aapt2/Android.mk
@@ -66,6 +66,7 @@
 	ResourceValues.cpp \
 	SdkConstants.cpp \
 	StringPool.cpp \
+	xml/XmlActionExecutor.cpp \
 	xml/XmlDom.cpp \
 	xml/XmlPullParser.cpp \
 	xml/XmlUtil.cpp
@@ -107,6 +108,7 @@
 	SdkConstants_test.cpp \
 	StringPool_test.cpp \
 	ValueVisitor_test.cpp \
+	xml/XmlActionExecutor_test.cpp \
 	xml/XmlDom_test.cpp \
 	xml/XmlPullParser_test.cpp \
 	xml/XmlUtil_test.cpp
@@ -129,33 +131,40 @@
 	libbase \
 	libprotobuf-cpp-lite_static
 
-# Do not add any shared libraries. AAPT2 is built to run on many
-# environments that may not have the required dependencies.
-hostSharedLibs :=
 
-ifneq ($(strip $(USE_MINGW)),)
-	hostStaticLibs += libz
-else
-	hostLdLibs += -lz
-endif
+# Statically link libz for MinGW (Win SDK under Linux),
+# and dynamically link for all others.
+hostStaticLibs_windows := libz
+hostLdLibs_linux := -lz
+hostLdLibs_darwin := -lz
 
 cFlags := -Wall -Werror -Wno-unused-parameter -UNDEBUG
+cFlags_darwin := -D_DARWIN_UNLIMITED_STREAMS
+cFlags_windows := -Wno-maybe-uninitialized # Incorrectly marking use of Maybe.value() as error.
 cppFlags := -std=c++11 -Wno-missing-field-initializers -fno-exceptions -fno-rtti
 protoIncludes := $(call generated-sources-dir-for,STATIC_LIBRARIES,libaapt2,HOST)
 
 # ==========================================================
+# NOTE: Do not add any shared libraries.
+# AAPT2 is built to run on many environments
+# that may not have the required dependencies.
+# ==========================================================
+
+# ==========================================================
 # Build the host static library: libaapt2
 # ==========================================================
 include $(CLEAR_VARS)
-LOCAL_MODULE_CLASS := STATIC_LIBRARIES
 LOCAL_MODULE := libaapt2
-
+LOCAL_MODULE_CLASS := STATIC_LIBRARIES
+LOCAL_MODULE_HOST_OS := darwin linux windows
+LOCAL_CFLAGS := $(cFlags)
+LOCAL_CFLAGS_darwin := $(cFlags_darwin)
+LOCAL_CFLAGS_windows := $(cFlags_windows)
+LOCAL_CPPFLAGS := $(cppFlags)
+LOCAL_C_INCLUDES := $(protoIncludes)
 LOCAL_SRC_FILES := $(sources)
-LOCAL_STATIC_LIBRARIES += $(hostStaticLibs)
-LOCAL_CFLAGS += $(cFlags)
-LOCAL_CPPFLAGS += $(cppFlags)
-LOCAL_C_INCLUDES += $(protoIncludes)
-
+LOCAL_STATIC_LIBRARIES := $(hostStaticLibs)
+LOCAL_STATIC_LIBRARIES_windows := $(hostStaticLibs_windows)
 include $(BUILD_HOST_STATIC_LIBRARY)
 
 # ==========================================================
@@ -164,16 +173,18 @@
 include $(CLEAR_VARS)
 LOCAL_MODULE := libaapt2_tests
 LOCAL_MODULE_TAGS := tests
-
+LOCAL_MODULE_HOST_OS := darwin linux windows
+LOCAL_CFLAGS := $(cFlags)
+LOCAL_CFLAGS_darwin := $(cFlags_darwin)
+LOCAL_CFLAGS_windows := $(cFlags_windows)
+LOCAL_CPPFLAGS := $(cppFlags)
+LOCAL_C_INCLUDES := $(protoIncludes)
 LOCAL_SRC_FILES := $(testSources)
-
-LOCAL_STATIC_LIBRARIES += libaapt2 $(hostStaticLibs)
-LOCAL_SHARED_LIBRARIES += $(hostSharedLibs)
-LOCAL_LDLIBS += $(hostLdLibs)
-LOCAL_CFLAGS += $(cFlags)
-LOCAL_CPPFLAGS += $(cppFlags)
-LOCAL_C_INCLUDES += $(protoIncludes)
-
+LOCAL_STATIC_LIBRARIES := libaapt2 $(hostStaticLibs)
+LOCAL_STATIC_LIBRARIES_windows := $(hostStaticLibs_windows)
+LOCAL_LDLIBS := $(hostLdLibs)
+LOCAL_LDLIBS_darwin := $(hostLdLibs_darwin)
+LOCAL_LDLIBS_linux := $(hostLdLibs_linux)
 include $(BUILD_HOST_NATIVE_TEST)
 
 # ==========================================================
@@ -181,16 +192,18 @@
 # ==========================================================
 include $(CLEAR_VARS)
 LOCAL_MODULE := aapt2
-
+LOCAL_MODULE_HOST_OS := darwin linux windows
+LOCAL_CFLAGS := $(cFlags)
+LOCAL_CFLAGS_darwin := $(cFlags_darwin)
+LOCAL_CFLAGS_windows := $(cFlags_windows)
+LOCAL_CPPFLAGS := $(cppFlags)
+LOCAL_C_INCLUDES := $(protoIncludes)
 LOCAL_SRC_FILES := $(main) $(toolSources)
-
-LOCAL_STATIC_LIBRARIES += libaapt2 $(hostStaticLibs)
-LOCAL_SHARED_LIBRARIES += $(hostSharedLibs)
-LOCAL_LDLIBS += $(hostLdLibs)
-LOCAL_CFLAGS += $(cFlags)
-LOCAL_CPPFLAGS += $(cppFlags)
-LOCAL_C_INCLUDES += $(protoIncludes)
-
+LOCAL_STATIC_LIBRARIES := libaapt2 $(hostStaticLibs)
+LOCAL_STATIC_LIBRARIES_windows := $(hostStaticLibs_windows)
+LOCAL_LDLIBS := $(hostLdLibs)
+LOCAL_LDLIBS_darwin := $(hostLdLibs_darwin)
+LOCAL_LDLIBS_linux := $(hostLdLibs_linux)
 include $(BUILD_HOST_EXECUTABLE)
 
 ifeq ($(ONE_SHOT_MAKEFILE),)
diff --git a/tools/aapt2/Diagnostics.h b/tools/aapt2/Diagnostics.h
index ab4d284..e86f2a8 100644
--- a/tools/aapt2/Diagnostics.h
+++ b/tools/aapt2/Diagnostics.h
@@ -21,6 +21,7 @@
 #include "util/StringPiece.h"
 #include "util/Util.h"
 
+#include <android-base/macros.h>
 #include <iostream>
 #include <sstream>
 #include <string>
@@ -46,7 +47,11 @@
     DiagMessage(const Source& src) : mSource(src) {
     }
 
-    template <typename T> DiagMessage& operator<<(const T& value) {
+    DiagMessage(size_t line) : mSource(Source().withLine(line)) {
+    }
+
+    template <typename T>
+    DiagMessage& operator<<(const T& value) {
         mMessage << value;
         return *this;
     }
@@ -59,36 +64,82 @@
 struct IDiagnostics {
     virtual ~IDiagnostics() = default;
 
-    virtual void error(const DiagMessage& message) = 0;
-    virtual void warn(const DiagMessage& message) = 0;
-    virtual void note(const DiagMessage& message) = 0;
+    enum class Level {
+        Note,
+        Warn,
+        Error
+    };
+
+    virtual void log(Level level, DiagMessageActual& actualMsg) = 0;
+
+    virtual void error(const DiagMessage& message) {
+        DiagMessageActual actual = message.build();
+        log(Level::Error, actual);
+    }
+
+    virtual void warn(const DiagMessage& message) {
+        DiagMessageActual actual = message.build();
+        log(Level::Warn, actual);
+    }
+
+    virtual void note(const DiagMessage& message) {
+        DiagMessageActual actual = message.build();
+        log(Level::Note, actual);
+    }
 };
 
-struct StdErrDiagnostics : public IDiagnostics {
+class StdErrDiagnostics : public IDiagnostics {
+public:
+    StdErrDiagnostics() = default;
+
+    void log(Level level, DiagMessageActual& actualMsg) override {
+        const char* tag;
+
+        switch (level) {
+        case Level::Error:
+            mNumErrors++;
+            if (mNumErrors > 20) {
+                return;
+            }
+            tag = "error";
+            break;
+
+        case Level::Warn:
+            tag = "warn";
+            break;
+
+        case Level::Note:
+            tag = "note";
+            break;
+        }
+
+        if (!actualMsg.source.path.empty()) {
+            std::cerr << actualMsg.source << ": ";
+        }
+        std::cerr << tag << ": " << actualMsg.message << "." << std::endl;
+    }
+
+private:
     size_t mNumErrors = 0;
 
-    void emit(const DiagMessage& msg, const char* tag) {
-        DiagMessageActual actual = msg.build();
-        if (!actual.source.path.empty()) {
-            std::cerr << actual.source << ": ";
-        }
-        std::cerr << tag << actual.message << "." << std::endl;
+    DISALLOW_COPY_AND_ASSIGN(StdErrDiagnostics);
+};
+
+class SourcePathDiagnostics : public IDiagnostics {
+public:
+    SourcePathDiagnostics(const Source& src, IDiagnostics* diag) : mSource(src), mDiag(diag) {
     }
 
-    void error(const DiagMessage& msg) override {
-        if (mNumErrors < 20) {
-            emit(msg, "error: ");
-        }
-        mNumErrors++;
+    void log(Level level, DiagMessageActual& actualMsg) override {
+        actualMsg.source.path = mSource.path;
+        mDiag->log(level, actualMsg);
     }
 
-    void warn(const DiagMessage& msg) override {
-        emit(msg, "warn: ");
-    }
+private:
+    Source mSource;
+    IDiagnostics* mDiag;
 
-    void note(const DiagMessage& msg) override {
-        emit(msg, "note: ");
-    }
+    DISALLOW_COPY_AND_ASSIGN(SourcePathDiagnostics);
 };
 
 } // namespace aapt
diff --git a/tools/aapt2/ResourceTable_test.cpp b/tools/aapt2/ResourceTable_test.cpp
index 180bd11..d6c52ab 100644
--- a/tools/aapt2/ResourceTable_test.cpp
+++ b/tools/aapt2/ResourceTable_test.cpp
@@ -28,33 +28,23 @@
 
 namespace aapt {
 
-struct ResourceTableTest : public ::testing::Test {
-    struct EmptyDiagnostics : public IDiagnostics {
-        void error(const DiagMessage& msg) override {}
-        void warn(const DiagMessage& msg) override {}
-        void note(const DiagMessage& msg) override {}
-    };
-
-    EmptyDiagnostics mDiagnostics;
-};
-
-TEST_F(ResourceTableTest, FailToAddResourceWithBadName) {
+TEST(ResourceTableTest, FailToAddResourceWithBadName) {
     ResourceTable table;
 
     EXPECT_FALSE(table.addResource(
             ResourceNameRef(u"android", ResourceType::kId, u"hey,there"),
             ConfigDescription{}, "",
             test::ValueBuilder<Id>().setSource("test.xml", 21u).build(),
-            &mDiagnostics));
+            test::getDiagnostics()));
 
     EXPECT_FALSE(table.addResource(
             ResourceNameRef(u"android", ResourceType::kId, u"hey:there"),
             ConfigDescription{}, "",
             test::ValueBuilder<Id>().setSource("test.xml", 21u).build(),
-            &mDiagnostics));
+            test::getDiagnostics()));
 }
 
-TEST_F(ResourceTableTest, AddOneResource) {
+TEST(ResourceTableTest, AddOneResource) {
     ResourceTable table;
 
     EXPECT_TRUE(table.addResource(test::parseNameOrDie(u"@android:attr/id"),
@@ -62,12 +52,12 @@
                                   "",
                                   test::ValueBuilder<Id>()
                                           .setSource("test/path/file.xml", 23u).build(),
-                                  &mDiagnostics));
+                                  test::getDiagnostics()));
 
     ASSERT_NE(nullptr, test::getValue<Id>(&table, u"@android:attr/id"));
 }
 
-TEST_F(ResourceTableTest, AddMultipleResources) {
+TEST(ResourceTableTest, AddMultipleResources) {
     ResourceTable table;
 
     ConfigDescription config;
@@ -79,21 +69,21 @@
             config,
             "",
             test::ValueBuilder<Id>().setSource("test/path/file.xml", 10u).build(),
-            &mDiagnostics));
+            test::getDiagnostics()));
 
     EXPECT_TRUE(table.addResource(
             test::parseNameOrDie(u"@android:attr/id"),
             config,
             "",
             test::ValueBuilder<Id>().setSource("test/path/file.xml", 12u).build(),
-            &mDiagnostics));
+            test::getDiagnostics()));
 
     EXPECT_TRUE(table.addResource(
             test::parseNameOrDie(u"@android:string/ok"),
             config,
             "",
             test::ValueBuilder<Id>().setSource("test/path/file.xml", 14u).build(),
-            &mDiagnostics));
+            test::getDiagnostics()));
 
     EXPECT_TRUE(table.addResource(
             test::parseNameOrDie(u"@android:string/ok"),
@@ -102,7 +92,7 @@
             test::ValueBuilder<BinaryPrimitive>(android::Res_value{})
                     .setSource("test/path/file.xml", 20u)
                     .build(),
-            &mDiagnostics));
+            test::getDiagnostics()));
 
     ASSERT_NE(nullptr, test::getValue<Id>(&table, u"@android:attr/layout_width"));
     ASSERT_NE(nullptr, test::getValue<Id>(&table, u"@android:attr/id"));
@@ -111,37 +101,37 @@
                                                                 languageConfig));
 }
 
-TEST_F(ResourceTableTest, OverrideWeakResourceValue) {
+TEST(ResourceTableTest, OverrideWeakResourceValue) {
     ResourceTable table;
 
     ASSERT_TRUE(table.addResource(test::parseNameOrDie(u"@android:attr/foo"), ConfigDescription{},
-                                  "", util::make_unique<Attribute>(true), &mDiagnostics));
+                                  "", util::make_unique<Attribute>(true), test::getDiagnostics()));
 
     Attribute* attr = test::getValue<Attribute>(&table, u"@android:attr/foo");
     ASSERT_NE(nullptr, attr);
     EXPECT_TRUE(attr->isWeak());
 
     ASSERT_TRUE(table.addResource(test::parseNameOrDie(u"@android:attr/foo"), ConfigDescription{},
-                                  "", util::make_unique<Attribute>(false), &mDiagnostics));
+                                  "", util::make_unique<Attribute>(false), test::getDiagnostics()));
 
     attr = test::getValue<Attribute>(&table, u"@android:attr/foo");
     ASSERT_NE(nullptr, attr);
     EXPECT_FALSE(attr->isWeak());
 }
 
-TEST_F(ResourceTableTest, ProductVaryingValues) {
+TEST(ResourceTableTest, ProductVaryingValues) {
     ResourceTable table;
 
     EXPECT_TRUE(table.addResource(test::parseNameOrDie(u"@android:string/foo"),
                                   test::parseConfigOrDie("land"),
                                   "tablet",
                                   util::make_unique<Id>(),
-                                  &mDiagnostics));
+                                  test::getDiagnostics()));
     EXPECT_TRUE(table.addResource(test::parseNameOrDie(u"@android:string/foo"),
                                   test::parseConfigOrDie("land"),
                                   "phone",
                                   util::make_unique<Id>(),
-                                  &mDiagnostics));
+                                  test::getDiagnostics()));
 
     EXPECT_NE(nullptr, test::getValueForConfigAndProduct<Id>(&table, u"@android:string/foo",
                                                              test::parseConfigOrDie("land"),
diff --git a/tools/aapt2/StringPool_test.cpp b/tools/aapt2/StringPool_test.cpp
index e93c2fba..2b2d348 100644
--- a/tools/aapt2/StringPool_test.cpp
+++ b/tools/aapt2/StringPool_test.cpp
@@ -20,8 +20,6 @@
 #include <gtest/gtest.h>
 #include <string>
 
-using namespace android;
-
 namespace aapt {
 
 TEST(StringPoolTest, InsertOneString) {
@@ -171,24 +169,28 @@
 }
 
 TEST(StringPoolTest, FlattenEmptyStringPoolUtf8) {
+    using namespace android; // For NO_ERROR on Windows.
+
     StringPool pool;
     BigBuffer buffer(1024);
     StringPool::flattenUtf8(&buffer, pool);
 
     std::unique_ptr<uint8_t[]> data = util::copy(buffer);
-    android::ResStringPool test;
-    ASSERT_EQ(test.setTo(data.get(), buffer.size()), android::NO_ERROR);
+    ResStringPool test;
+    ASSERT_EQ(test.setTo(data.get(), buffer.size()), NO_ERROR);
 }
 
 TEST(StringPoolTest, FlattenOddCharactersUtf16) {
+    using namespace android; // For NO_ERROR on Windows.
+
     StringPool pool;
     pool.makeRef(u"\u093f");
     BigBuffer buffer(1024);
     StringPool::flattenUtf16(&buffer, pool);
 
     std::unique_ptr<uint8_t[]> data = util::copy(buffer);
-    android::ResStringPool test;
-    ASSERT_EQ(test.setTo(data.get(), buffer.size()), android::NO_ERROR);
+    ResStringPool test;
+    ASSERT_EQ(test.setTo(data.get(), buffer.size()), NO_ERROR);
     size_t len = 0;
     const char16_t* str = test.stringAt(0, &len);
     EXPECT_EQ(1u, len);
@@ -199,6 +201,8 @@
 constexpr const char16_t* sLongString = u"バッテリーを長持ちさせるため、バッテリーセーバーは端末のパフォーマンスを抑え、バイブレーション、位置情報サービス、大半のバックグラウンドデータを制限します。メール、SMSや、同期を使 用するその他のアプリは、起動しても更新されないことがあります。バッテリーセーバーは端末の充電中は自動的にOFFになります。";
 
 TEST(StringPoolTest, FlattenUtf8) {
+    using namespace android; // For NO_ERROR on Windows.
+
     StringPool pool;
 
     StringPool::Ref ref1 = pool.makeRef(u"hello");
@@ -219,8 +223,8 @@
 
     std::unique_ptr<uint8_t[]> data = util::copy(buffer);
     {
-        android::ResStringPool test;
-        ASSERT_EQ(test.setTo(data.get(), buffer.size()), android::NO_ERROR);
+        ResStringPool test;
+        ASSERT_EQ(test.setTo(data.get(), buffer.size()), NO_ERROR);
 
         EXPECT_EQ(util::getString(test, 0), u"hello");
         EXPECT_EQ(util::getString(test, 1), u"goodbye");
diff --git a/tools/aapt2/compile/PseudolocaleGenerator.cpp b/tools/aapt2/compile/PseudolocaleGenerator.cpp
index be26b52..99c2077 100644
--- a/tools/aapt2/compile/PseudolocaleGenerator.cpp
+++ b/tools/aapt2/compile/PseudolocaleGenerator.cpp
@@ -20,6 +20,8 @@
 #include "compile/PseudolocaleGenerator.h"
 #include "compile/Pseudolocalizer.h"
 
+#include <algorithm>
+
 namespace aapt {
 
 std::unique_ptr<StyledString> pseudolocalizeStyledString(StyledString* string,
diff --git a/tools/aapt2/flatten/TableFlattener.cpp b/tools/aapt2/flatten/TableFlattener.cpp
index da81046..28a7928 100644
--- a/tools/aapt2/flatten/TableFlattener.cpp
+++ b/tools/aapt2/flatten/TableFlattener.cpp
@@ -24,6 +24,7 @@
 #include "util/BigBuffer.h"
 
 #include <android-base/macros.h>
+#include <algorithm>
 #include <type_traits>
 #include <numeric>
 
diff --git a/tools/aapt2/flatten/XmlFlattener.cpp b/tools/aapt2/flatten/XmlFlattener.cpp
index 3eac633..570cd96 100644
--- a/tools/aapt2/flatten/XmlFlattener.cpp
+++ b/tools/aapt2/flatten/XmlFlattener.cpp
@@ -21,6 +21,7 @@
 #include "xml/XmlDom.h"
 
 #include <androidfw/ResourceTypes.h>
+#include <algorithm>
 #include <utils/misc.h>
 #include <vector>
 
diff --git a/tools/aapt2/flatten/XmlFlattener_test.cpp b/tools/aapt2/flatten/XmlFlattener_test.cpp
index fef5ca3..4e6eb81 100644
--- a/tools/aapt2/flatten/XmlFlattener_test.cpp
+++ b/tools/aapt2/flatten/XmlFlattener_test.cpp
@@ -46,6 +46,8 @@
 
     ::testing::AssertionResult flatten(xml::XmlResource* doc, android::ResXMLTree* outTree,
                                        XmlFlattenerOptions options = {}) {
+        using namespace android; // For NO_ERROR on windows because it is a macro.
+
         BigBuffer buffer(1024);
         XmlFlattener flattener(&buffer, options);
         if (!flattener.consume(mContext.get(), doc)) {
@@ -53,7 +55,7 @@
         }
 
         std::unique_ptr<uint8_t[]> data = util::copy(buffer);
-        if (outTree->setTo(data.get(), buffer.size(), true) != android::NO_ERROR) {
+        if (outTree->setTo(data.get(), buffer.size(), true) != NO_ERROR) {
             return ::testing::AssertionFailure() << "flattened XML is corrupt";
         }
         return ::testing::AssertionSuccess();
diff --git a/tools/aapt2/java/AnnotationProcessor_test.cpp b/tools/aapt2/java/AnnotationProcessor_test.cpp
index da96b84..d3860a5 100644
--- a/tools/aapt2/java/AnnotationProcessor_test.cpp
+++ b/tools/aapt2/java/AnnotationProcessor_test.cpp
@@ -49,16 +49,18 @@
 };
 
 TEST_F(AnnotationProcessorTest, EmitsDeprecated) {
-    ASSERT_TRUE(parse(R"EOF(
+    const char* xmlInput = R"EOF(
     <resources>
-      <declare-styleable name="foo">      
+      <declare-styleable name="foo">
         <!-- Some comment, and it should contain
              a marker word, something that marks
              this resource as nor needed.
              {@deprecated That's the marker! } -->
         <attr name="autoText" format="boolean" />
       </declare-styleable>
-    </resources>)EOF"));
+    </resources>)EOF";
+
+    ASSERT_TRUE(parse(xmlInput));
 
     Attribute* attr = test::getValue<Attribute>(&mTable, u"@attr/autoText");
     ASSERT_NE(nullptr, attr);
diff --git a/tools/aapt2/java/JavaClassGenerator.cpp b/tools/aapt2/java/JavaClassGenerator.cpp
index 092bab2..32b8600 100644
--- a/tools/aapt2/java/JavaClassGenerator.cpp
+++ b/tools/aapt2/java/JavaClassGenerator.cpp
@@ -318,7 +318,7 @@
         }
 
         std::unique_ptr<IntMember> indexMember = util::make_unique<IntMember>(
-                sortedAttributes[i].fieldName, i);
+                sortedAttributes[i].fieldName, static_cast<uint32_t>(i));
 
         AnnotationProcessor* attrProcessor = indexMember->getCommentBuilder();
 
diff --git a/tools/aapt2/java/JavaClassGenerator_test.cpp b/tools/aapt2/java/JavaClassGenerator_test.cpp
index 4f041b8..370e78a 100644
--- a/tools/aapt2/java/JavaClassGenerator_test.cpp
+++ b/tools/aapt2/java/JavaClassGenerator_test.cpp
@@ -239,13 +239,15 @@
     ASSERT_TRUE(generator.generate(u"android", &out));
     std::string actual = out.str();
 
-    EXPECT_NE(std::string::npos, actual.find(
-    R"EOF(/**
+    const char* expectedText =
+R"EOF(/**
      * This is a comment
      * @deprecated
      */
     @Deprecated
-    public static final int foo=0x01010000;)EOF"));
+    public static final int foo=0x01010000;)EOF";
+
+    EXPECT_NE(std::string::npos, actual.find(expectedText));
 }
 
 TEST(JavaClassGeneratorTest, CommentsForEnumAndFlagAttributesArePresent) {
diff --git a/tools/aapt2/java/ManifestClassGenerator_test.cpp b/tools/aapt2/java/ManifestClassGenerator_test.cpp
index a9ec318..e7210db 100644
--- a/tools/aapt2/java/ManifestClassGenerator_test.cpp
+++ b/tools/aapt2/java/ManifestClassGenerator_test.cpp
@@ -104,28 +104,34 @@
     std::string actual;
     ASSERT_TRUE(getManifestClassText(context.get(), manifest.get(), &actual));
 
-    EXPECT_NE(std::string::npos, actual.find(
+    const char* expectedAccessInternet =
 R"EOF(    /**
      * Required to access the internet.
      * Added in API 1.
      */
-    public static final String ACCESS_INTERNET="android.permission.ACCESS_INTERNET";)EOF"));
+    public static final String ACCESS_INTERNET="android.permission.ACCESS_INTERNET";)EOF";
 
-    EXPECT_NE(std::string::npos, actual.find(
+    EXPECT_NE(std::string::npos, actual.find(expectedAccessInternet));
+
+    const char* expectedPlayOutside =
 R"EOF(    /**
      * @deprecated This permission is for playing outside.
      */
     @Deprecated
-    public static final String PLAY_OUTSIDE="android.permission.PLAY_OUTSIDE";)EOF"));
+    public static final String PLAY_OUTSIDE="android.permission.PLAY_OUTSIDE";)EOF";
 
-    EXPECT_NE(std::string::npos, actual.find(
+    EXPECT_NE(std::string::npos, actual.find(expectedPlayOutside));
+
+    const char* expectedSecret =
 R"EOF(    /**
      * This is a private permission for system only!
      * @hide
      * @SystemApi
      */
     @android.annotation.SystemApi
-    public static final String SECRET="android.permission.SECRET";)EOF"));
+    public static final String SECRET="android.permission.SECRET";)EOF";
+
+    EXPECT_NE(std::string::npos, actual.find(expectedSecret));
 }
 
 } // namespace aapt
diff --git a/tools/aapt2/link/ManifestFixer.cpp b/tools/aapt2/link/ManifestFixer.cpp
index 9baf1d8..3779638 100644
--- a/tools/aapt2/link/ManifestFixer.cpp
+++ b/tools/aapt2/link/ManifestFixer.cpp
@@ -17,66 +17,199 @@
 #include "ResourceUtils.h"
 #include "link/ManifestFixer.h"
 #include "util/Util.h"
+#include "xml/XmlActionExecutor.h"
 #include "xml/XmlDom.h"
 
 namespace aapt {
 
-static bool verifyManifest(IAaptContext* context, const Source& source, xml::Element* manifestEl) {
-    xml::Attribute* attr = manifestEl->findAttribute({}, u"package");
-    if (!attr) {
-        context->getDiagnostics()->error(DiagMessage(source.withLine(manifestEl->lineNumber))
-                                         << "missing 'package' attribute");
-    } else if (ResourceUtils::isReference(attr->value)) {
-        context->getDiagnostics()->error(DiagMessage(source.withLine(manifestEl->lineNumber))
-                                         << "value for attribute 'package' must not be a "
-                                            "reference");
-    } else if (!util::isJavaPackageName(attr->value)) {
-        context->getDiagnostics()->error(DiagMessage(source.withLine(manifestEl->lineNumber))
-                                         << "invalid package name '" << attr->value << "'");
-    } else {
-        return true;
+/**
+ * This is how PackageManager builds class names from AndroidManifest.xml entries.
+ */
+static bool nameIsJavaClassName(xml::Element* el, xml::Attribute* attr,
+                                SourcePathDiagnostics* diag) {
+    std::u16string className = attr->value;
+    if (className.find(u'.') == std::u16string::npos) {
+        // There is no '.', so add one to the beginning.
+        className = u".";
+        className += attr->value;
     }
+
+    // We allow unqualified class names (ie: .HelloActivity)
+    // Since we don't know the package name, we can just make a fake one here and
+    // the test will be identical as long as the real package name is valid too.
+    Maybe<std::u16string> fullyQualifiedClassName =
+            util::getFullyQualifiedClassName(u"a", className);
+
+    StringPiece16 qualifiedClassName = fullyQualifiedClassName
+            ? fullyQualifiedClassName.value() : className;
+    if (!util::isJavaClassName(qualifiedClassName)) {
+        diag->error(DiagMessage(el->lineNumber)
+                    << "attribute 'android:name' in <"
+                    << el->name << "> tag must be a valid Java class name");
+        return false;
+    }
+    return true;
+}
+
+static bool optionalNameIsJavaClassName(xml::Element* el, SourcePathDiagnostics* diag) {
+    if (xml::Attribute* attr = el->findAttribute(xml::kSchemaAndroid, u"name")) {
+        return nameIsJavaClassName(el, attr, diag);
+    }
+    return true;
+}
+
+static bool requiredNameIsJavaClassName(xml::Element* el, SourcePathDiagnostics* diag) {
+    if (xml::Attribute* attr = el->findAttribute(xml::kSchemaAndroid, u"name")) {
+        return nameIsJavaClassName(el, attr, diag);
+    }
+    diag->error(DiagMessage(el->lineNumber)
+                << "<" << el->name << "> is missing attribute 'android:name'");
     return false;
 }
 
-static bool includeVersionName(IAaptContext* context, const Source& source,
-                               const StringPiece16& versionName, xml::Element* manifestEl) {
-    if (manifestEl->findAttribute(xml::kSchemaAndroid, u"versionName")) {
-        return true;
+static bool verifyManifest(xml::Element* el, SourcePathDiagnostics* diag) {
+    xml::Attribute* attr = el->findAttribute({}, u"package");
+    if (!attr) {
+        diag->error(DiagMessage(el->lineNumber) << "<manifest> tag is missing 'package' attribute");
+        return false;
+    } else if (ResourceUtils::isReference(attr->value)) {
+        diag->error(DiagMessage(el->lineNumber)
+                    << "attribute 'package' in <manifest> tag must not be a reference");
+        return false;
+    } else if (!util::isJavaPackageName(attr->value)) {
+        diag->error(DiagMessage(el->lineNumber)
+                    << "attribute 'package' in <manifest> tag is not a valid Java package name: '"
+                    << attr->value << "'");
+        return false;
     }
-
-    manifestEl->attributes.push_back(xml::Attribute{
-            xml::kSchemaAndroid, u"versionName", versionName.toString() });
     return true;
 }
 
-static bool includeVersionCode(IAaptContext* context, const Source& source,
-                               const StringPiece16& versionCode, xml::Element* manifestEl) {
-    if (manifestEl->findAttribute(xml::kSchemaAndroid, u"versionCode")) {
+bool ManifestFixer::buildRules(xml::XmlActionExecutor* executor, IDiagnostics* diag) {
+    // First verify some options.
+    if (mOptions.renameManifestPackage) {
+        if (!util::isJavaPackageName(mOptions.renameManifestPackage.value())) {
+            diag->error(DiagMessage() << "invalid manifest package override '"
+                        << mOptions.renameManifestPackage.value() << "'");
+            return false;
+        }
+    }
+
+    if (mOptions.renameInstrumentationTargetPackage) {
+        if (!util::isJavaPackageName(mOptions.renameInstrumentationTargetPackage.value())) {
+            diag->error(DiagMessage() << "invalid instrumentation target package override '"
+                        << mOptions.renameInstrumentationTargetPackage.value() << "'");
+            return false;
+        }
+    }
+
+    // Common intent-filter actions.
+    xml::XmlNodeAction intentFilterAction;
+    intentFilterAction[u"action"];
+    intentFilterAction[u"category"];
+    intentFilterAction[u"data"];
+
+    // Common meta-data actions.
+    xml::XmlNodeAction metaDataAction;
+
+    // Manifest actions.
+    xml::XmlNodeAction& manifestAction = (*executor)[u"manifest"];
+    manifestAction.action(verifyManifest);
+    manifestAction.action([&](xml::Element* el) -> bool {
+        if (mOptions.versionNameDefault) {
+            if (el->findAttribute(xml::kSchemaAndroid, u"versionName") == nullptr) {
+                el->attributes.push_back(xml::Attribute{
+                        xml::kSchemaAndroid,
+                        u"versionName",
+                        mOptions.versionNameDefault.value() });
+            }
+        }
+
+        if (mOptions.versionCodeDefault) {
+            if (el->findAttribute(xml::kSchemaAndroid, u"versionCode") == nullptr) {
+                el->attributes.push_back(xml::Attribute{
+                        xml::kSchemaAndroid,
+                        u"versionCode",
+                        mOptions.versionCodeDefault.value() });
+            }
+        }
         return true;
-    }
+    });
 
-    manifestEl->attributes.push_back(xml::Attribute{
-            xml::kSchemaAndroid, u"versionCode", versionCode.toString() });
-    return true;
-}
+    // Uses-sdk actions.
+    manifestAction[u"uses-sdk"].action([&](xml::Element* el) -> bool {
+        if (mOptions.minSdkVersionDefault &&
+                el->findAttribute(xml::kSchemaAndroid, u"minSdkVersion") == nullptr) {
+            // There was no minSdkVersion defined and we have a default to assign.
+            el->attributes.push_back(xml::Attribute{
+                    xml::kSchemaAndroid, u"minSdkVersion",
+                    mOptions.minSdkVersionDefault.value() });
+        }
 
-static bool fixUsesSdk(IAaptContext* context, const Source& source, xml::Element* el,
-                       const ManifestFixerOptions& options) {
-    if (options.minSdkVersionDefault &&
-            el->findAttribute(xml::kSchemaAndroid, u"minSdkVersion") == nullptr) {
-        // There was no minSdkVersion defined and we have a default to assign.
-        el->attributes.push_back(xml::Attribute{
-                xml::kSchemaAndroid, u"minSdkVersion", options.minSdkVersionDefault.value() });
-    }
+        if (mOptions.targetSdkVersionDefault &&
+                el->findAttribute(xml::kSchemaAndroid, u"targetSdkVersion") == nullptr) {
+            // There was no targetSdkVersion defined and we have a default to assign.
+            el->attributes.push_back(xml::Attribute{
+                    xml::kSchemaAndroid, u"targetSdkVersion",
+                    mOptions.targetSdkVersionDefault.value() });
+        }
+        return true;
+    });
 
-    if (options.targetSdkVersionDefault &&
-            el->findAttribute(xml::kSchemaAndroid, u"targetSdkVersion") == nullptr) {
-        // There was no targetSdkVersion defined and we have a default to assign.
-        el->attributes.push_back(xml::Attribute{
-                xml::kSchemaAndroid, u"targetSdkVersion",
-                options.targetSdkVersionDefault.value() });
-    }
+    // Instrumentation actions.
+    manifestAction[u"instrumentation"].action([&](xml::Element* el) -> bool {
+        if (!mOptions.renameInstrumentationTargetPackage) {
+            return true;
+        }
+
+        if (xml::Attribute* attr = el->findAttribute(xml::kSchemaAndroid, u"targetPackage")) {
+            attr->value = mOptions.renameInstrumentationTargetPackage.value();
+        }
+        return true;
+    });
+
+    manifestAction[u"eat-comment"];
+    manifestAction[u"protected-broadcast"];
+    manifestAction[u"uses-permission"];
+    manifestAction[u"permission"];
+    manifestAction[u"permission-tree"];
+    manifestAction[u"permission-group"];
+
+    manifestAction[u"uses-configuration"];
+    manifestAction[u"uses-feature"];
+    manifestAction[u"uses-library"];
+    manifestAction[u"supports-screens"];
+    manifestAction[u"compatible-screens"];
+    manifestAction[u"supports-gl-texture"];
+
+    // Application actions.
+    xml::XmlNodeAction& applicationAction = (*executor)[u"manifest"][u"application"];
+    applicationAction.action(optionalNameIsJavaClassName);
+
+    // Activity actions.
+    applicationAction[u"activity"].action(requiredNameIsJavaClassName);
+    applicationAction[u"activity"][u"intent-filter"] = intentFilterAction;
+    applicationAction[u"activity"][u"meta-data"] = metaDataAction;
+
+    // Activity alias actions.
+    applicationAction[u"activity-alias"][u"intent-filter"] = intentFilterAction;
+    applicationAction[u"activity-alias"][u"meta-data"] = metaDataAction;
+
+    // Service actions.
+    applicationAction[u"service"].action(requiredNameIsJavaClassName);
+    applicationAction[u"service"][u"intent-filter"] = intentFilterAction;
+    applicationAction[u"service"][u"meta-data"] = metaDataAction;
+
+    // Receiver actions.
+    applicationAction[u"receiver"].action(requiredNameIsJavaClassName);
+    applicationAction[u"receiver"][u"intent-filter"] = intentFilterAction;
+    applicationAction[u"receiver"][u"meta-data"] = metaDataAction;
+
+    // Provider actions.
+    applicationAction[u"provider"].action(requiredNameIsJavaClassName);
+    applicationAction[u"provider"][u"grant-uri-permissions"];
+    applicationAction[u"provider"][u"meta-data"] = metaDataAction;
+    applicationAction[u"provider"][u"path-permissions"];
     return true;
 }
 
@@ -103,14 +236,7 @@
     StringPiece16 mPackage;
 };
 
-static bool renameManifestPackage(IAaptContext* context, const Source& source,
-                                  const StringPiece16& packageOverride, xml::Element* manifestEl) {
-    if (!util::isJavaPackageName(packageOverride)) {
-        context->getDiagnostics()->error(DiagMessage() << "invalid manifest package override '"
-                                         << packageOverride << "'");
-        return false;
-    }
-
+static bool renameManifestPackage(const StringPiece16& packageOverride, xml::Element* manifestEl) {
     xml::Attribute* attr = manifestEl->findAttribute({}, u"package");
 
     // We've already verified that the manifest element is present, with a package name specified.
@@ -124,32 +250,6 @@
     return true;
 }
 
-static bool renameInstrumentationTargetPackage(IAaptContext* context, const Source& source,
-                                               const StringPiece16& packageOverride,
-                                               xml::Element* manifestEl) {
-    if (!util::isJavaPackageName(packageOverride)) {
-        context->getDiagnostics()->error(DiagMessage()
-                                         << "invalid instrumentation target package override '"
-                                         << packageOverride << "'");
-        return false;
-    }
-
-    xml::Element* instrumentationEl = manifestEl->findChild({}, u"instrumentation");
-    if (!instrumentationEl) {
-        // No error if there is no work to be done.
-        return true;
-    }
-
-    xml::Attribute* attr = instrumentationEl->findAttribute(xml::kSchemaAndroid, u"targetPackage");
-    if (!attr) {
-        // No error if there is no work to be done.
-        return true;
-    }
-
-    attr->value = packageOverride.toString();
-    return true;
-}
-
 bool ManifestFixer::consume(IAaptContext* context, xml::XmlResource* doc) {
     xml::Element* root = xml::findRootElement(doc->root.get());
     if (!root || !root->namespaceUri.empty() || root->name != u"manifest") {
@@ -158,59 +258,31 @@
         return false;
     }
 
-    if (!verifyManifest(context, doc->file.source, root)) {
-        return false;
-    }
-
-    if (mOptions.versionCodeDefault) {
-        if (!includeVersionCode(context, doc->file.source, mOptions.versionCodeDefault.value(),
-                                root)) {
-            return false;
-        }
-    }
-
-    if (mOptions.versionNameDefault) {
-        if (!includeVersionName(context, doc->file.source, mOptions.versionNameDefault.value(),
-                                root)) {
-            return false;
-        }
-    }
-
-    if (mOptions.renameManifestPackage) {
-        // Rename manifest package.
-        if (!renameManifestPackage(context, doc->file.source,
-                                   mOptions.renameManifestPackage.value(), root)) {
-            return false;
-        }
-    }
-
-    if (mOptions.renameInstrumentationTargetPackage) {
-        if (!renameInstrumentationTargetPackage(context, doc->file.source,
-                                                mOptions.renameInstrumentationTargetPackage.value(),
-                                                root)) {
-            return false;
-        }
-    }
-
-    bool foundUsesSdk = false;
-    for (xml::Element* el : root->getChildElements()) {
-        if (!el->namespaceUri.empty()) {
-            continue;
-        }
-
-        if (el->name == u"uses-sdk") {
-            foundUsesSdk = true;
-            fixUsesSdk(context, doc->file.source, el, mOptions);
-        }
-    }
-
-    if (!foundUsesSdk && (mOptions.minSdkVersionDefault || mOptions.targetSdkVersionDefault)) {
+    if ((mOptions.minSdkVersionDefault || mOptions.targetSdkVersionDefault)
+            && root->findChild({}, u"uses-sdk") == nullptr) {
+        // Auto insert a <uses-sdk> element.
         std::unique_ptr<xml::Element> usesSdk = util::make_unique<xml::Element>();
         usesSdk->name = u"uses-sdk";
-        fixUsesSdk(context, doc->file.source, usesSdk.get(), mOptions);
         root->addChild(std::move(usesSdk));
     }
 
+    xml::XmlActionExecutor executor;
+    if (!buildRules(&executor, context->getDiagnostics())) {
+        return false;
+    }
+
+    if (!executor.execute(xml::XmlActionExecutorPolicy::Whitelist, context->getDiagnostics(),
+                          doc)) {
+        return false;
+    }
+
+    if (mOptions.renameManifestPackage) {
+        // Rename manifest package outside of the XmlActionExecutor.
+        // We need to extract the old package name and FullyQualify all class names.
+        if (!renameManifestPackage(mOptions.renameManifestPackage.value(), root)) {
+            return false;
+        }
+    }
     return true;
 }
 
diff --git a/tools/aapt2/link/ManifestFixer.h b/tools/aapt2/link/ManifestFixer.h
index b8d9c83..4d9356a 100644
--- a/tools/aapt2/link/ManifestFixer.h
+++ b/tools/aapt2/link/ManifestFixer.h
@@ -19,6 +19,7 @@
 
 #include "process/IResourceTableConsumer.h"
 #include "util/Maybe.h"
+#include "xml/XmlActionExecutor.h"
 #include "xml/XmlDom.h"
 
 #include <string>
@@ -38,13 +39,17 @@
  * Verifies that the manifest is correctly formed and inserts defaults
  * where specified with ManifestFixerOptions.
  */
-struct ManifestFixer : public IXmlResourceConsumer {
-    ManifestFixerOptions mOptions;
-
+class ManifestFixer : public IXmlResourceConsumer {
+public:
     ManifestFixer(const ManifestFixerOptions& options) : mOptions(options) {
     }
 
     bool consume(IAaptContext* context, xml::XmlResource* doc) override;
+
+private:
+    bool buildRules(xml::XmlActionExecutor* executor, IDiagnostics* diag);
+
+    ManifestFixerOptions mOptions;
 };
 
 } // namespace aapt
diff --git a/tools/aapt2/link/ManifestFixer_test.cpp b/tools/aapt2/link/ManifestFixer_test.cpp
index 18c47df..f993720 100644
--- a/tools/aapt2/link/ManifestFixer_test.cpp
+++ b/tools/aapt2/link/ManifestFixer_test.cpp
@@ -166,9 +166,9 @@
     std::unique_ptr<xml::XmlResource> doc = verifyWithOptions(R"EOF(
       <manifest xmlns:android="http://schemas.android.com/apk/res/android"
                 package="android">
-        <application name=".MainApplication" text="hello">
-          <activity name=".activity.Start" />
-          <receiver name="com.google.android.Receiver" />
+        <application android:name=".MainApplication" text="hello">
+          <activity android:name=".activity.Start" />
+          <receiver android:name="com.google.android.Receiver" />
         </application>
       </manifest>)EOF", options);
     ASSERT_NE(nullptr, doc);
@@ -185,7 +185,7 @@
     xml::Element* applicationEl = manifestEl->findChild({}, u"application");
     ASSERT_NE(nullptr, applicationEl);
 
-    attr = applicationEl->findAttribute({}, u"name");
+    attr = applicationEl->findAttribute(xml::kSchemaAndroid, u"name");
     ASSERT_NE(nullptr, attr);
     EXPECT_EQ(std::u16string(u"android.MainApplication"), attr->value);
 
@@ -197,14 +197,14 @@
     el = applicationEl->findChild({}, u"activity");
     ASSERT_NE(nullptr, el);
 
-    attr = el->findAttribute({}, u"name");
+    attr = el->findAttribute(xml::kSchemaAndroid, u"name");
     ASSERT_NE(nullptr, el);
     EXPECT_EQ(std::u16string(u"android.activity.Start"), attr->value);
 
     el = applicationEl->findChild({}, u"receiver");
     ASSERT_NE(nullptr, el);
 
-    attr = el->findAttribute({}, u"name");
+    attr = el->findAttribute(xml::kSchemaAndroid, u"name");
     ASSERT_NE(nullptr, el);
     EXPECT_EQ(std::u16string(u"com.google.android.Receiver"), attr->value);
 }
diff --git a/tools/aapt2/proto/TableProtoDeserializer.cpp b/tools/aapt2/proto/TableProtoDeserializer.cpp
index 86883f8..82e4fb0 100644
--- a/tools/aapt2/proto/TableProtoDeserializer.cpp
+++ b/tools/aapt2/proto/TableProtoDeserializer.cpp
@@ -388,6 +388,10 @@
 std::unique_ptr<ResourceTable> deserializeTableFromPb(const pb::ResourceTable& pbTable,
                                                       const Source& source,
                                                       IDiagnostics* diag) {
+    // We import the android namespace because on Windows NO_ERROR is a macro, not an enum, which
+    // causes errors when qualifying it with android::
+    using namespace android;
+
     std::unique_ptr<ResourceTable> table = util::make_unique<ResourceTable>();
 
     if (!pbTable.has_string_pool()) {
@@ -395,29 +399,29 @@
         return {};
     }
 
-    android::ResStringPool valuePool;
-    android::status_t result = valuePool.setTo(pbTable.string_pool().data().data(),
-                                               pbTable.string_pool().data().size());
-    if (result != android::NO_ERROR) {
+    ResStringPool valuePool;
+    status_t result = valuePool.setTo(pbTable.string_pool().data().data(),
+                                      pbTable.string_pool().data().size());
+    if (result != NO_ERROR) {
         diag->error(DiagMessage(source) << "invalid string pool");
         return {};
     }
 
-    android::ResStringPool sourcePool;
+    ResStringPool sourcePool;
     if (pbTable.has_source_pool()) {
         result = sourcePool.setTo(pbTable.source_pool().data().data(),
                                   pbTable.source_pool().data().size());
-        if (result != android::NO_ERROR) {
+        if (result != NO_ERROR) {
             diag->error(DiagMessage(source) << "invalid source pool");
             return {};
         }
     }
 
-    android::ResStringPool symbolPool;
+    ResStringPool symbolPool;
     if (pbTable.has_symbol_pool()) {
         result = symbolPool.setTo(pbTable.symbol_pool().data().data(),
                                   pbTable.symbol_pool().data().size());
-        if (result != android::NO_ERROR) {
+        if (result != NO_ERROR) {
             diag->error(DiagMessage(source) << "invalid symbol pool");
             return {};
         }
diff --git a/tools/aapt2/split/TableSplitter.cpp b/tools/aapt2/split/TableSplitter.cpp
index 0f7649b..4bfdb12 100644
--- a/tools/aapt2/split/TableSplitter.cpp
+++ b/tools/aapt2/split/TableSplitter.cpp
@@ -18,6 +18,7 @@
 #include "ResourceTable.h"
 #include "split/TableSplitter.h"
 
+#include <algorithm>
 #include <map>
 #include <set>
 #include <unordered_map>
diff --git a/tools/aapt2/test/Builders.h b/tools/aapt2/test/Builders.h
index 8c56ebc..8eb4bc8 100644
--- a/tools/aapt2/test/Builders.h
+++ b/tools/aapt2/test/Builders.h
@@ -238,7 +238,7 @@
     std::stringstream in;
     in << "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" << str;
     StdErrDiagnostics diag;
-    std::unique_ptr<xml::XmlResource> doc = xml::inflate(&in, &diag, {});
+    std::unique_ptr<xml::XmlResource> doc = xml::inflate(&in, &diag, Source("test.xml"));
     assert(doc);
     return doc;
 }
diff --git a/tools/aapt2/test/Common.h b/tools/aapt2/test/Common.h
index 348c32a..faccd477 100644
--- a/tools/aapt2/test/Common.h
+++ b/tools/aapt2/test/Common.h
@@ -41,15 +41,20 @@
 namespace test {
 
 struct DummyDiagnosticsImpl : public IDiagnostics {
-    void error(const DiagMessage& message) override {
-        DiagMessageActual actual = message.build();
-        std::cerr << actual.source << ": error: " << actual.message << "." << std::endl;
+    void log(Level level, DiagMessageActual& actualMsg) override {
+        switch (level) {
+        case Level::Note:
+            return;
+
+        case Level::Warn:
+            std::cerr << actualMsg.source << ": warn: " << actualMsg.message << "." << std::endl;
+            break;
+
+        case Level::Error:
+            std::cerr << actualMsg.source << ": error: " << actualMsg.message << "." << std::endl;
+            break;
+        }
     }
-    void warn(const DiagMessage& message) override {
-        DiagMessageActual actual = message.build();
-        std::cerr << actual.source << ": warn: " << actual.message << "." << std::endl;
-    }
-    void note(const DiagMessage& message) override {}
 };
 
 inline IDiagnostics* getDiagnostics() {
diff --git a/tools/aapt2/unflatten/BinaryResourceParser.cpp b/tools/aapt2/unflatten/BinaryResourceParser.cpp
index 33b505e..ec46751 100644
--- a/tools/aapt2/unflatten/BinaryResourceParser.cpp
+++ b/tools/aapt2/unflatten/BinaryResourceParser.cpp
@@ -26,7 +26,7 @@
 #include <androidfw/ResourceTypes.h>
 #include <androidfw/TypeWrappers.h>
 #include <android-base/macros.h>
-
+#include <algorithm>
 #include <map>
 #include <string>
 
diff --git a/tools/aapt2/util/Files.cpp b/tools/aapt2/util/Files.cpp
index 6428e98..bb093ab 100644
--- a/tools/aapt2/util/Files.cpp
+++ b/tools/aapt2/util/Files.cpp
@@ -17,6 +17,7 @@
 #include "util/Files.h"
 #include "util/Util.h"
 
+#include <algorithm>
 #include <cerrno>
 #include <cstdio>
 #include <dirent.h>
diff --git a/tools/aapt2/util/Maybe.h b/tools/aapt2/util/Maybe.h
index 10a2803..595db96 100644
--- a/tools/aapt2/util/Maybe.h
+++ b/tools/aapt2/util/Maybe.h
@@ -17,6 +17,8 @@
 #ifndef AAPT_MAYBE_H
 #define AAPT_MAYBE_H
 
+#include "util/TypeTraits.h"
+
 #include <cassert>
 #include <type_traits>
 #include <utility>
@@ -276,13 +278,15 @@
 }
 
 /**
- * Define the == operator between Maybe<T> and Maybe<U> if the operator T == U is defined.
- * Otherwise this won't be defined and the compiler will yell at the callsite instead of inside
- * Maybe.h.
+ * Define the == operator between Maybe<T> and Maybe<U> only if the operator T == U is defined.
+ * That way the compiler will show an error at the callsite when comparing two Maybe<> objects
+ * whose inner types can't be compared.
  */
 template <typename T, typename U>
-auto operator==(const Maybe<T>& a, const Maybe<U>& b)
--> decltype(std::declval<T> == std::declval<U>) {
+typename std::enable_if<
+        has_eq_op<T, U>::value,
+        bool
+>::type operator==(const Maybe<T>& a, const Maybe<U>& b) {
     if (a && b) {
         return a.value() == b.value();
     } else if (!a && !b) {
@@ -295,8 +299,10 @@
  * Same as operator== but negated.
  */
 template <typename T, typename U>
-auto operator!=(const Maybe<T>& a, const Maybe<U>& b)
--> decltype(std::declval<T> == std::declval<U>) {
+typename std::enable_if<
+        has_eq_op<T, U>::value,
+        bool
+>::type operator!=(const Maybe<T>& a, const Maybe<U>& b) {
     return !(a == b);
 }
 
diff --git a/tools/aapt2/xml/XmlActionExecutor.cpp b/tools/aapt2/xml/XmlActionExecutor.cpp
new file mode 100644
index 0000000..0ef67ea
--- /dev/null
+++ b/tools/aapt2/xml/XmlActionExecutor.cpp
@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "xml/XmlActionExecutor.h"
+
+namespace aapt {
+namespace xml {
+
+static bool wrapperOne(XmlNodeAction::ActionFunc& f, Element* el, SourcePathDiagnostics*) {
+    return f(el);
+}
+
+static bool wrapperTwo(XmlNodeAction::ActionFuncWithDiag& f, Element* el,
+                       SourcePathDiagnostics* diag) {
+    return f(el, diag);
+}
+
+void XmlNodeAction::action(XmlNodeAction::ActionFunc f) {
+    mActions.emplace_back(std::bind(wrapperOne, std::move(f),
+                                    std::placeholders::_1,
+                                    std::placeholders::_2));
+}
+
+void XmlNodeAction::action(XmlNodeAction::ActionFuncWithDiag f) {
+    mActions.emplace_back(std::bind(wrapperTwo, std::move(f),
+                                    std::placeholders::_1,
+                                    std::placeholders::_2));
+}
+
+static void printElementToDiagMessage(const Element* el, DiagMessage* msg) {
+    *msg << "<";
+    if (!el->namespaceUri.empty()) {
+        *msg << el->namespaceUri << ":";
+    }
+    *msg << el->name << ">";
+}
+
+bool XmlNodeAction::execute(XmlActionExecutorPolicy policy, SourcePathDiagnostics* diag,
+                            Element* el) const {
+    bool error = false;
+    for (const ActionFuncWithDiag& action : mActions) {
+        error |= !action(el, diag);
+    }
+
+    for (Element* childEl : el->getChildElements()) {
+        if (childEl->namespaceUri.empty()) {
+            std::map<std::u16string, XmlNodeAction>::const_iterator iter =
+                    mMap.find(childEl->name);
+            if (iter != mMap.end()) {
+                error |= !iter->second.execute(policy, diag, childEl);
+                continue;
+            }
+        }
+
+        if (policy == XmlActionExecutorPolicy::Whitelist) {
+            DiagMessage errorMsg(childEl->lineNumber);
+            errorMsg << "unknown element ";
+            printElementToDiagMessage(childEl, &errorMsg);
+            errorMsg << " found";
+            diag->error(errorMsg);
+            error = true;
+        }
+    }
+    return !error;
+}
+
+bool XmlActionExecutor::execute(XmlActionExecutorPolicy policy, IDiagnostics* diag,
+                                XmlResource* doc) const {
+    SourcePathDiagnostics sourceDiag(doc->file.source, diag);
+
+    Element* el = findRootElement(doc);
+    if (!el) {
+        if (policy == XmlActionExecutorPolicy::Whitelist) {
+            sourceDiag.error(DiagMessage() << "no root XML tag found");
+            return false;
+        }
+        return true;
+    }
+
+    if (el->namespaceUri.empty()) {
+        std::map<std::u16string, XmlNodeAction>::const_iterator iter = mMap.find(el->name);
+        if (iter != mMap.end()) {
+            return iter->second.execute(policy, &sourceDiag, el);
+        }
+    }
+
+    if (policy == XmlActionExecutorPolicy::Whitelist) {
+        DiagMessage errorMsg(el->lineNumber);
+        errorMsg << "unknown element ";
+        printElementToDiagMessage(el, &errorMsg);
+        errorMsg << " found";
+        sourceDiag.error(errorMsg);
+        return false;
+    }
+    return true;
+}
+
+} // namespace xml
+} // namespace aapt
diff --git a/tools/aapt2/xml/XmlActionExecutor.h b/tools/aapt2/xml/XmlActionExecutor.h
new file mode 100644
index 0000000..36b94db
--- /dev/null
+++ b/tools/aapt2/xml/XmlActionExecutor.h
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef AAPT_XML_XMLPATTERN_H
+#define AAPT_XML_XMLPATTERN_H
+
+#include "Diagnostics.h"
+#include "xml/XmlDom.h"
+
+#include <android-base/macros.h>
+#include <functional>
+#include <map>
+#include <string>
+#include <vector>
+
+namespace aapt {
+namespace xml {
+
+enum class XmlActionExecutorPolicy {
+    /**
+     * Actions on run if elements are matched, errors occur only when actions return false.
+     */
+    None,
+
+    /**
+     * The actions defined must match and run. If an element is found that does not match
+     * an action, an error occurs.
+     */
+    Whitelist,
+};
+
+/**
+ * Contains the actions to perform at this XML node. This is a recursive data structure that
+ * holds XmlNodeActions for child XML nodes.
+ */
+class XmlNodeAction {
+public:
+    using ActionFuncWithDiag = std::function<bool(Element*, SourcePathDiagnostics*)>;
+    using ActionFunc = std::function<bool(Element*)>;
+
+    /**
+     * Find or create a child XmlNodeAction that will be performed for the child element
+     * with the name `name`.
+     */
+    XmlNodeAction& operator[](const std::u16string& name) {
+        return mMap[name];
+    }
+
+    /**
+     * Add an action to be performed at this XmlNodeAction.
+     */
+    void action(ActionFunc f);
+    void action(ActionFuncWithDiag);
+
+private:
+    friend class XmlActionExecutor;
+
+    bool execute(XmlActionExecutorPolicy policy, SourcePathDiagnostics* diag, Element* el) const;
+
+    std::map<std::u16string, XmlNodeAction> mMap;
+    std::vector<ActionFuncWithDiag> mActions;
+};
+
+/**
+ * Allows the definition of actions to execute at specific XML elements defined by their
+ * hierarchy.
+ */
+class XmlActionExecutor {
+public:
+    XmlActionExecutor() = default;
+
+    /**
+     * Find or create a root XmlNodeAction that will be performed for the root XML element
+     * with the name `name`.
+     */
+    XmlNodeAction& operator[](const std::u16string& name) {
+        return mMap[name];
+    }
+
+    /**
+     * Execute the defined actions for this XmlResource.
+     * Returns true if all actions return true, otherwise returns false.
+     */
+    bool execute(XmlActionExecutorPolicy policy, IDiagnostics* diag, XmlResource* doc) const;
+
+private:
+    std::map<std::u16string, XmlNodeAction> mMap;
+
+    DISALLOW_COPY_AND_ASSIGN(XmlActionExecutor);
+};
+
+} // namespace xml
+} // namespace aapt
+
+#endif /* AAPT_XML_XMLPATTERN_H */
diff --git a/tools/aapt2/xml/XmlActionExecutor_test.cpp b/tools/aapt2/xml/XmlActionExecutor_test.cpp
new file mode 100644
index 0000000..ebf287a
--- /dev/null
+++ b/tools/aapt2/xml/XmlActionExecutor_test.cpp
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "test/Test.h"
+#include "xml/XmlActionExecutor.h"
+
+namespace aapt {
+namespace xml {
+
+TEST(XmlActionExecutorTest, BuildsAccessibleNestedPattern) {
+    XmlActionExecutor executor;
+    XmlNodeAction& manifestAction = executor[u"manifest"];
+    XmlNodeAction& applicationAction = manifestAction[u"application"];
+
+    Element* manifestEl = nullptr;
+    manifestAction.action([&](Element* manifest) -> bool {
+        manifestEl = manifest;
+        return true;
+    });
+
+    Element* applicationEl = nullptr;
+    applicationAction.action([&](Element* application) -> bool {
+        applicationEl = application;
+        return true;
+    });
+
+    std::unique_ptr<XmlResource> doc = test::buildXmlDom("<manifest><application /></manifest>");
+
+    StdErrDiagnostics diag;
+    ASSERT_TRUE(executor.execute(XmlActionExecutorPolicy::None, &diag, doc.get()));
+    ASSERT_NE(nullptr, manifestEl);
+    EXPECT_EQ(std::u16string(u"manifest"), manifestEl->name);
+
+    ASSERT_NE(nullptr, applicationEl);
+    EXPECT_EQ(std::u16string(u"application"), applicationEl->name);
+}
+
+TEST(XmlActionExecutorTest, FailsWhenUndefinedHierarchyExists) {
+    XmlActionExecutor executor;
+    executor[u"manifest"][u"application"];
+
+    std::unique_ptr<XmlResource> doc = test::buildXmlDom(
+            "<manifest><application /><activity /></manifest>");
+    StdErrDiagnostics diag;
+    ASSERT_FALSE(executor.execute(XmlActionExecutorPolicy::Whitelist, &diag, doc.get()));
+}
+
+} // namespace xml
+} // namespace aapt
diff --git a/tools/aapt2/xml/XmlDom.cpp b/tools/aapt2/xml/XmlDom.cpp
index d27b62fd..0ce333a 100644
--- a/tools/aapt2/xml/XmlDom.cpp
+++ b/tools/aapt2/xml/XmlDom.cpp
@@ -228,20 +228,24 @@
 
 std::unique_ptr<XmlResource> inflate(const void* data, size_t dataLen, IDiagnostics* diag,
                                      const Source& source) {
+    // We import the android namespace because on Windows NO_ERROR is a macro, not an enum, which
+    // causes errors when qualifying it with android::
+    using namespace android;
+
     std::unique_ptr<Node> root;
     std::stack<Node*> nodeStack;
 
-    android::ResXMLTree tree;
-    if (tree.setTo(data, dataLen) != android::NO_ERROR) {
+    ResXMLTree tree;
+    if (tree.setTo(data, dataLen) != NO_ERROR) {
         return {};
     }
 
-    android::ResXMLParser::event_code_t code;
-    while ((code = tree.next()) != android::ResXMLParser::BAD_DOCUMENT &&
-            code != android::ResXMLParser::END_DOCUMENT) {
+    ResXMLParser::event_code_t code;
+    while ((code = tree.next()) != ResXMLParser::BAD_DOCUMENT &&
+            code != ResXMLParser::END_DOCUMENT) {
         std::unique_ptr<Node> newNode;
         switch (code) {
-            case android::ResXMLParser::START_NAMESPACE: {
+            case ResXMLParser::START_NAMESPACE: {
                 std::unique_ptr<Namespace> node = util::make_unique<Namespace>();
                 size_t len;
                 const char16_t* str16 = tree.getNamespacePrefix(&len);
@@ -257,7 +261,7 @@
                 break;
             }
 
-            case android::ResXMLParser::START_TAG: {
+            case ResXMLParser::START_TAG: {
                 std::unique_ptr<Element> node = util::make_unique<Element>();
                 size_t len;
                 const char16_t* str16 = tree.getElementNamespace(&len);
@@ -276,7 +280,7 @@
                 break;
             }
 
-            case android::ResXMLParser::TEXT: {
+            case ResXMLParser::TEXT: {
                 std::unique_ptr<Text> node = util::make_unique<Text>();
                 size_t len;
                 const char16_t* str16 = tree.getText(&len);
@@ -287,8 +291,8 @@
                 break;
             }
 
-            case android::ResXMLParser::END_NAMESPACE:
-            case android::ResXMLParser::END_TAG:
+            case ResXMLParser::END_NAMESPACE:
+            case ResXMLParser::END_TAG:
                 assert(!nodeStack.empty());
                 nodeStack.pop();
                 break;
diff --git a/tools/aapt2/xml/XmlUtil_test.cpp b/tools/aapt2/xml/XmlUtil_test.cpp
index 7796b3e..319e770 100644
--- a/tools/aapt2/xml/XmlUtil_test.cpp
+++ b/tools/aapt2/xml/XmlUtil_test.cpp
@@ -33,22 +33,22 @@
             xml::extractPackageFromNamespace(u"http://schemas.android.com/apk/res/a");
     AAPT_ASSERT_TRUE(p);
     EXPECT_EQ(std::u16string(u"a"), p.value().package);
-    EXPECT_EQ(false, p.value().privateNamespace);
+    EXPECT_FALSE(p.value().privateNamespace);
 
     p = xml::extractPackageFromNamespace(u"http://schemas.android.com/apk/prv/res/android");
     AAPT_ASSERT_TRUE(p);
     EXPECT_EQ(std::u16string(u"android"), p.value().package);
-    EXPECT_EQ(true, p.value().privateNamespace);
+    EXPECT_TRUE(p.value().privateNamespace);
 
     p = xml::extractPackageFromNamespace(u"http://schemas.android.com/apk/prv/res/com.test");
     AAPT_ASSERT_TRUE(p);
     EXPECT_EQ(std::u16string(u"com.test"), p.value().package);
-    EXPECT_EQ(true, p.value().privateNamespace);
+    EXPECT_TRUE(p.value().privateNamespace);
 
     p = xml::extractPackageFromNamespace(u"http://schemas.android.com/apk/res-auto");
     AAPT_ASSERT_TRUE(p);
     EXPECT_EQ(std::u16string(), p.value().package);
-    EXPECT_EQ(true, p.value().privateNamespace);
+    EXPECT_TRUE(p.value().privateNamespace);
 }
 
 } // namespace aapt
diff --git a/tools/layoutlib/bridge/src/android/view/Choreographer_Delegate.java b/tools/layoutlib/bridge/src/android/view/Choreographer_Delegate.java
index 01af669..381eb1f 100644
--- a/tools/layoutlib/bridge/src/android/view/Choreographer_Delegate.java
+++ b/tools/layoutlib/bridge/src/android/view/Choreographer_Delegate.java
@@ -15,8 +15,11 @@
  */
 package android.view;
 
+import com.android.ide.common.rendering.api.LayoutLog;
+import com.android.layoutlib.bridge.Bridge;
 import com.android.tools.layoutlib.annotations.LayoutlibDelegate;
 
+import java.lang.reflect.Field;
 import java.util.concurrent.atomic.AtomicReference;
 
 /**
@@ -64,4 +67,18 @@
 
         thisChoreographer.doCallbacks(Choreographer.CALLBACK_COMMIT, frameTimeNanos);
     }
+
+    public static void dispose() {
+        try {
+            Field threadInstanceField = Choreographer.class.getDeclaredField("sThreadInstance");
+            threadInstanceField.setAccessible(true);
+            @SuppressWarnings("unchecked") ThreadLocal<Choreographer> threadInstance =
+                    (ThreadLocal<Choreographer>) threadInstanceField.get(null);
+            threadInstance.remove();
+        } catch (ReflectiveOperationException e) {
+            assert false;
+            Bridge.getLog().error(LayoutLog.TAG_BROKEN,
+                    "Unable to clear Choreographer memory.", e, null);
+        }
+    }
 }
diff --git a/tools/layoutlib/bridge/src/android/view/RectShadowPainter.java b/tools/layoutlib/bridge/src/android/view/RectShadowPainter.java
index 30512aa..ea9a255 100644
--- a/tools/layoutlib/bridge/src/android/view/RectShadowPainter.java
+++ b/tools/layoutlib/bridge/src/android/view/RectShadowPainter.java
@@ -44,6 +44,11 @@
     private static final float PERPENDICULAR_ANGLE = 90f;
 
     public static void paintShadow(Outline viewOutline, float elevation, Canvas canvas) {
+        Rect outline = new Rect();
+        if (!viewOutline.getRect(outline)) {
+            throw new IllegalArgumentException("Outline is not a rect shadow");
+        }
+
         float shadowSize = elevationToShadow(elevation);
         int saved = modifyCanvas(canvas, shadowSize);
         if (saved == -1) {
@@ -54,8 +59,7 @@
             cornerPaint.setStyle(Style.FILL);
             Paint edgePaint = new Paint(cornerPaint);
             edgePaint.setAntiAlias(false);
-            Rect outline = viewOutline.mRect;
-            float radius = viewOutline.mRadius;
+            float radius = viewOutline.getRadius();
             float outerArcRadius = radius + shadowSize;
             int[] colors = {START_COLOR, START_COLOR, END_COLOR};
             cornerPaint.setShader(new RadialGradient(0, 0, outerArcRadius, colors,
diff --git a/tools/layoutlib/bridge/src/android/view/ViewGroup_Delegate.java b/tools/layoutlib/bridge/src/android/view/ViewGroup_Delegate.java
index 51d32e3..23caaf8 100644
--- a/tools/layoutlib/bridge/src/android/view/ViewGroup_Delegate.java
+++ b/tools/layoutlib/bridge/src/android/view/ViewGroup_Delegate.java
@@ -64,7 +64,7 @@
     private static void drawShadow(ViewGroup parent, Canvas canvas, View child,
             Outline outline) {
         float elevation = getElevation(child, parent);
-        if(outline.mRect != null) {
+        if(outline.mMode == Outline.MODE_ROUND_RECT && outline.mRect != null) {
             RectShadowPainter.paintShadow(outline, elevation, canvas);
             return;
         }
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContext.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContext.java
index 2399b3a..89272fa 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContext.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContext.java
@@ -639,7 +639,8 @@
         }
         // Add value to defaultPropsMap if needed
         if (typeArrayAndPropertiesPair.getSecond() != null) {
-            Object key = getCurrentParser().getViewCookie();
+            BridgeXmlBlockParser parser = getCurrentParser();
+            Object key = parser != null ? parser.getViewCookie() : null;
             if (key != null) {
                 PropertiesMap defaultPropMap = mDefaultPropMaps.get(key);
                 if (defaultPropMap == null) {
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/RenderSessionImpl.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/RenderSessionImpl.java
index ce7104e..866b248 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/RenderSessionImpl.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/RenderSessionImpl.java
@@ -1453,6 +1453,7 @@
 
         if (createdLooper) {
             Bridge.cleanupThread();
+            Choreographer_Delegate.dispose();
         }
     }
 }
diff --git a/tools/layoutlib/bridge/tests/res/testApp/MyApplication/golden/allwidgets.png b/tools/layoutlib/bridge/tests/res/testApp/MyApplication/golden/allwidgets.png
index d8ead23..0e788e0c 100644
--- a/tools/layoutlib/bridge/tests/res/testApp/MyApplication/golden/allwidgets.png
+++ b/tools/layoutlib/bridge/tests/res/testApp/MyApplication/golden/allwidgets.png
Binary files differ
diff --git a/tools/layoutlib/bridge/tests/res/testApp/MyApplication/golden/allwidgets_tab.png b/tools/layoutlib/bridge/tests/res/testApp/MyApplication/golden/allwidgets_tab.png
index 65d1dc5..bad296b 100644
--- a/tools/layoutlib/bridge/tests/res/testApp/MyApplication/golden/allwidgets_tab.png
+++ b/tools/layoutlib/bridge/tests/res/testApp/MyApplication/golden/allwidgets_tab.png
Binary files differ
diff --git a/tools/layoutlib/bridge/tests/res/testApp/MyApplication/src/main/res/layout/allwidgets.xml b/tools/layoutlib/bridge/tests/res/testApp/MyApplication/src/main/res/layout/allwidgets.xml
index 2da2cb9..adb58a3 100644
--- a/tools/layoutlib/bridge/tests/res/testApp/MyApplication/src/main/res/layout/allwidgets.xml
+++ b/tools/layoutlib/bridge/tests/res/testApp/MyApplication/src/main/res/layout/allwidgets.xml
@@ -197,6 +197,14 @@
         android:inputType="numberPassword"
         android:text="numeric password" />
 
+    <ToggleButton
+        android:id="@+id/toggleButton"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignTop="@id/editText4"
+        android:layout_toEndOf="@id/editText4"
+        android:text="New ToggleButton" />
+
     <EditText
         android:id="@id/editText5"
         android:layout_width="wrap_content"
diff --git a/tools/layoutlib/bridge/tests/src/com/android/layoutlib/bridge/intensive/Main.java b/tools/layoutlib/bridge/tests/src/com/android/layoutlib/bridge/intensive/Main.java
index 034c8b2..8f570ae 100644
--- a/tools/layoutlib/bridge/tests/src/com/android/layoutlib/bridge/intensive/Main.java
+++ b/tools/layoutlib/bridge/tests/src/com/android/layoutlib/bridge/intensive/Main.java
@@ -31,8 +31,8 @@
 import com.android.layoutlib.bridge.Bridge;
 import com.android.layoutlib.bridge.android.BridgeContext;
 import com.android.layoutlib.bridge.android.RenderParamsFlags;
-import com.android.layoutlib.bridge.impl.RenderAction;
 import com.android.layoutlib.bridge.impl.DelegateManager;
+import com.android.layoutlib.bridge.impl.RenderAction;
 import com.android.layoutlib.bridge.intensive.setup.ConfigGenerator;
 import com.android.layoutlib.bridge.intensive.setup.LayoutLibTestCallback;
 import com.android.layoutlib.bridge.intensive.setup.LayoutPullParser;
@@ -42,8 +42,12 @@
 import com.android.utils.ILogger;
 
 import org.junit.AfterClass;
+import org.junit.Before;
 import org.junit.BeforeClass;
+import org.junit.Rule;
 import org.junit.Test;
+import org.junit.rules.TestWatcher;
+import org.junit.runner.Description;
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
@@ -56,9 +60,12 @@
 import java.io.IOException;
 import java.lang.ref.WeakReference;
 import java.net.URL;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.concurrent.TimeUnit;
 
+import com.google.android.collect.Lists;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
@@ -105,6 +112,21 @@
     private static  ILogger sLogger;
     private static Bridge sBridge;
 
+    /** List of log messages generated by a render call. It can be used to find specific errors */
+    private static ArrayList<String> sRenderMessages = Lists.newArrayList();
+
+    @Rule
+    public static TestWatcher sRenderMessageWatcher = new TestWatcher() {
+        @Override
+        protected void succeeded(Description description) {
+            // We only check error messages if the rest of the test case was successful.
+            if (!sRenderMessages.isEmpty()) {
+                fail(description.getMethodName() + " render error message: " + sRenderMessages.get
+                        (0));
+            }
+        }
+    };
+
     static {
         // Test that System Properties are properly set.
         PLATFORM_DIR = getPlatformDir();
@@ -279,6 +301,11 @@
                 ConfigGenerator.getEnumMap(attrs), getLayoutLog());
     }
 
+    @Before
+    public void beforeTestCase() {
+        sRenderMessages.clear();
+    }
+
     /** Test activity.xml */
     @Test
     public void testActivity() throws ClassNotFoundException {
@@ -289,6 +316,9 @@
     @Test
     public void testAllWidgets() throws ClassNotFoundException {
         renderAndVerify("allwidgets.xml", "allwidgets.png");
+
+        // We expect fidelity warnings for Path.isConvex. Fail for anything else.
+        sRenderMessages.removeIf(message -> message.equals("Path.isConvex is not supported."));
     }
 
     @Test
@@ -299,6 +329,9 @@
     @Test
     public void testAllWidgetsTablet() throws ClassNotFoundException {
         renderAndVerify("allwidgets.xml", "allwidgets_tab.png", ConfigGenerator.NEXUS_7_2012);
+
+        // We expect fidelity warnings for Path.isConvex. Fail for anything else.
+        sRenderMessages.removeIf(message -> message.equals("Path.isConvex is not supported."));
     }
 
     private static void gc() {
@@ -649,6 +682,6 @@
     }
 
     private static void failWithMsg(@NonNull String msgFormat, Object... args) {
-        fail(args == null ? "" : String.format(msgFormat, args));
+        sRenderMessages.add(args == null ? msgFormat : String.format(msgFormat, args));
     }
 }
diff --git a/wifi/java/android/net/wifi/IWifiManager.aidl b/wifi/java/android/net/wifi/IWifiManager.aidl
index 1c7a308..0f84506 100644
--- a/wifi/java/android/net/wifi/IWifiManager.aidl
+++ b/wifi/java/android/net/wifi/IWifiManager.aidl
@@ -149,12 +149,11 @@
     void setAllowScansWithTraffic(int enabled);
     int getAllowScansWithTraffic();
 
-    void setHalBasedAutojoinOffload(int enabled);
-    int getHalBasedAutojoinOffload();
-
     boolean enableAutoJoinWhenAssociated(boolean enabled);
     boolean getEnableAutoJoinWhenAssociated();
 
+    void enableWifiConnectivityManager(boolean enabled);
+
     WifiConnectionStatistics getConnectionStatistics();
 
     void disableEphemeralNetwork(String SSID);
diff --git a/wifi/java/android/net/wifi/WifiEnterpriseConfig.java b/wifi/java/android/net/wifi/WifiEnterpriseConfig.java
index 9e15d60..394934f 100644
--- a/wifi/java/android/net/wifi/WifiEnterpriseConfig.java
+++ b/wifi/java/android/net/wifi/WifiEnterpriseConfig.java
@@ -719,7 +719,7 @@
      * Get CA certificates.
      */
     @Nullable public X509Certificate[] getCaCertificates() {
-        if (mCaCerts != null || mCaCerts.length > 0) {
+        if (mCaCerts != null && mCaCerts.length > 0) {
             return mCaCerts;
         } else {
             return null;
diff --git a/wifi/java/android/net/wifi/WifiManager.java b/wifi/java/android/net/wifi/WifiManager.java
index 8c1fbc3..6984fe2 100644
--- a/wifi/java/android/net/wifi/WifiManager.java
+++ b/wifi/java/android/net/wifi/WifiManager.java
@@ -28,7 +28,6 @@
 import android.os.Binder;
 import android.os.Build;
 import android.os.Handler;
-import android.os.HandlerThread;
 import android.os.IBinder;
 import android.os.Looper;
 import android.os.Message;
@@ -43,7 +42,6 @@
 import com.android.server.net.NetworkPinner;
 
 import java.net.InetAddress;
-import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.CountDownLatch;
 
@@ -2721,25 +2719,14 @@
             throw e.rethrowFromSystemServer();
         }
     }
-    /**
-     * Set setting for enabling autojoin Offload thru Wifi HAL layer
-     * @hide
-     */
-    public void setHalBasedAutojoinOffload(int enabled) {
-        try {
-            mService.setHalBasedAutojoinOffload(enabled);
-        } catch (RemoteException e) {
-            throw e.rethrowFromSystemServer();
-        }
-    }
 
     /**
-     * Get setting for enabling autojoin Offload thru Wifi HAL layer
+     * Enable/disable WifiConnectivityManager
      * @hide
      */
-    public int getHalBasedAutojoinOffload() {
+    public void enableWifiConnectivityManager(boolean enabled) {
         try {
-            return mService.getHalBasedAutojoinOffload();
+            mService.enableWifiConnectivityManager(enabled);
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
diff --git a/wifi/java/android/net/wifi/WifiScanner.java b/wifi/java/android/net/wifi/WifiScanner.java
index 73ddbbc..f8c1ea3 100644
--- a/wifi/java/android/net/wifi/WifiScanner.java
+++ b/wifi/java/android/net/wifi/WifiScanner.java
@@ -810,19 +810,17 @@
     }
     /**
      * Stop an ongoing wifi PNO scan
-     * @param pnoSettings specifies various parameters for PNO; for more information look at
-     * {@link PnoSettings}
      * @param listener specifies which scan to cancel; must be same object as passed in {@link
      *  #startPnoScan}
      * TODO(rpius): Check if we can remove pnoSettings param in stop.
      * {@hide}
      */
-    public void stopPnoScan(PnoSettings pnoSettings, ScanListener listener) {
+    public void stopPnoScan(ScanListener listener) {
         Preconditions.checkNotNull(listener, "listener cannot be null");
         int key = removeListener(listener);
         if (key == INVALID_KEY) return;
         validateChannel();
-        sAsyncChannel.sendMessage(CMD_STOP_PNO_SCAN, 0, key, pnoSettings);
+        sAsyncChannel.sendMessage(CMD_STOP_PNO_SCAN, 0, key);
     }
 
     /** specifies information about an access point of interest */