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LeafOS / LeafOS-Project / android_packages_apps_Settings / e0069d332d5fc306e3eb60498a0a6a9087d34e65^! / . / src / com / android
commite0069d332d5fc306e3eb60498a0a6a9087d34e65[log] [tgz]
authorAurimas Liutikas <aurimas@google.com>Tue Apr 17 11:22:43 2018 -0700
committerAurimas Liutikas <aurimas@google.com>Fri Apr 20 12:52:29 2018 -0700
tree22e69164951e50ac615da65dae5b56e5d53d7ea1
parent538a4594ffdc90ff71fbb87a57d62b88d2620f40 [diff]
Migrate Settings to androidx.

Test: make Settings
Bug: 76692459
Change-Id: I941dea40562170649bf056e675cc32e5163c0e39

diff --git a/src/com/android/settings/AccessiblePreferenceCategory.java b/src/com/android/settings/AccessiblePreferenceCategory.java
index 7145999..494dee5 100644
--- a/src/com/android/settings/AccessiblePreferenceCategory.java
+++ b/src/com/android/settings/AccessiblePreferenceCategory.java

@@ -17,8 +17,8 @@
 package com.android.settings;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceViewHolder;
 
 /**
  * Preference category that accepts a content description for accessibility.

diff --git a/src/com/android/settings/BrightnessPreference.java b/src/com/android/settings/BrightnessPreference.java
index af17bb1..86d8336 100644
--- a/src/com/android/settings/BrightnessPreference.java
+++ b/src/com/android/settings/BrightnessPreference.java

@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.AttributeSet;
 
 public class BrightnessPreference extends Preference {

diff --git a/src/com/android/settings/CancellablePreference.java b/src/com/android/settings/CancellablePreference.java
index eb67f87..92c1003 100644
--- a/src/com/android/settings/CancellablePreference.java
+++ b/src/com/android/settings/CancellablePreference.java

@@ -16,8 +16,8 @@
 package com.android.settings;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.View.OnClickListener;

diff --git a/src/com/android/settings/CustomListPreference.java b/src/com/android/settings/CustomListPreference.java
index 0549b60..cb87440 100644
--- a/src/com/android/settings/CustomListPreference.java
+++ b/src/com/android/settings/CustomListPreference.java

@@ -25,8 +25,8 @@
 import android.content.DialogInterface.OnClickListener;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v14.preference.ListPreferenceDialogFragment;
-import android.support.v7.preference.ListPreference;
+import androidx.preference.ListPreferenceDialogFragment;
+import androidx.preference.ListPreference;
 import android.util.AttributeSet;
 
 import com.android.internal.logging.nano.MetricsProto;

diff --git a/src/com/android/settings/IccLockSettings.java b/src/com/android/settings/IccLockSettings.java
index b9f3b10..7d493eb 100644
--- a/src/com/android/settings/IccLockSettings.java
+++ b/src/com/android/settings/IccLockSettings.java

@@ -25,8 +25,8 @@
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;

diff --git a/src/com/android/settings/MasterClear.java b/src/com/android/settings/MasterClear.java
index 766c6ae..22356cc 100644
--- a/src/com/android/settings/MasterClear.java
+++ b/src/com/android/settings/MasterClear.java

@@ -38,7 +38,7 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.telephony.euicc.EuiccManager;
 import android.text.TextUtils;
 import android.util.Log;

diff --git a/src/com/android/settings/PreviewPagerAdapter.java b/src/com/android/settings/PreviewPagerAdapter.java
index bb68055..b98ffcb 100644
--- a/src/com/android/settings/PreviewPagerAdapter.java
+++ b/src/com/android/settings/PreviewPagerAdapter.java

@@ -19,7 +19,7 @@
 import android.animation.Animator.AnimatorListener;
 import android.content.Context;
 import android.content.res.Configuration;
-import android.support.v4.view.PagerAdapter;
+import androidx.viewpager.widget.PagerAdapter;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

diff --git a/src/com/android/settings/PreviewSeekBarPreferenceFragment.java b/src/com/android/settings/PreviewSeekBarPreferenceFragment.java
index 026032d..e031edb 100644
--- a/src/com/android/settings/PreviewSeekBarPreferenceFragment.java
+++ b/src/com/android/settings/PreviewSeekBarPreferenceFragment.java

@@ -19,8 +19,8 @@
 import android.content.Context;
 import android.content.res.Configuration;
 import android.os.Bundle;
-import android.support.v4.view.ViewPager;
-import android.support.v4.view.ViewPager.OnPageChangeListener;
+import androidx.viewpager.widget.ViewPager;
+import androidx.viewpager.widget.ViewPager.OnPageChangeListener;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.View.OnClickListener;

diff --git a/src/com/android/settings/ProgressCategory.java b/src/com/android/settings/ProgressCategory.java
index dd19de8..eeb7bfe 100644
--- a/src/com/android/settings/ProgressCategory.java
+++ b/src/com/android/settings/ProgressCategory.java

@@ -17,8 +17,8 @@
 package com.android.settings;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 

diff --git a/src/com/android/settings/ProgressCategoryBase.java b/src/com/android/settings/ProgressCategoryBase.java
index fb634f3..89ded4b 100644
--- a/src/com/android/settings/ProgressCategoryBase.java
+++ b/src/com/android/settings/ProgressCategoryBase.java

@@ -17,7 +17,7 @@
 package com.android.settings;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.preference.PreferenceCategory;
 import android.util.AttributeSet;
 
 public abstract class ProgressCategoryBase extends PreferenceCategory {

diff --git a/src/com/android/settings/RegulatoryInfoDisplayActivity.java b/src/com/android/settings/RegulatoryInfoDisplayActivity.java
index 043071c..2f35221 100644
--- a/src/com/android/settings/RegulatoryInfoDisplayActivity.java
+++ b/src/com/android/settings/RegulatoryInfoDisplayActivity.java

@@ -25,7 +25,7 @@
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.view.Gravity;
 import android.view.View;

diff --git a/src/com/android/settings/ResetNetworkConfirm.java b/src/com/android/settings/ResetNetworkConfirm.java
index 4bdd8e1..87c487d 100644
--- a/src/com/android/settings/ResetNetworkConfirm.java
+++ b/src/com/android/settings/ResetNetworkConfirm.java

@@ -33,7 +33,7 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Telephony;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
 import android.util.Log;

diff --git a/src/com/android/settings/RestrictedListPreference.java b/src/com/android/settings/RestrictedListPreference.java
index 25d4fc9..db68f14 100644
--- a/src/com/android/settings/RestrictedListPreference.java
+++ b/src/com/android/settings/RestrictedListPreference.java

@@ -20,8 +20,8 @@
 import android.content.Context;
 import android.content.DialogInterface;
 import android.os.Bundle;
-import android.support.v14.preference.ListPreferenceDialogFragment;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.ListPreferenceDialogFragment;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewGroup;

diff --git a/src/com/android/settings/RestrictedSettingsFragment.java b/src/com/android/settings/RestrictedSettingsFragment.java
index 3b69eff..3392d8c 100644
--- a/src/com/android/settings/RestrictedSettingsFragment.java
+++ b/src/com/android/settings/RestrictedSettingsFragment.java

@@ -27,7 +27,7 @@
 import android.os.PersistableBundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.view.View;
 import android.widget.TextView;
 

diff --git a/src/com/android/settings/RingtonePreference.java b/src/com/android/settings/RingtonePreference.java
index 52ab65b..98f0579 100644
--- a/src/com/android/settings/RingtonePreference.java
+++ b/src/com/android/settings/RingtonePreference.java

@@ -24,8 +24,8 @@
 import android.net.Uri;
 import android.os.UserHandle;
 import android.provider.Settings.System;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceManager;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceManager;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 
@@ -44,7 +44,7 @@
  * @attr ref android.R.styleable#RingtonePreference_showSilent
  *
  * Based of frameworks/base/core/java/android/preference/RingtonePreference.java
- * but extends android.support.v7.preference.Preference instead.
+ * but extends androidx.preference.Preference instead.
  */
 public class RingtonePreference extends Preference {
 

diff --git a/src/com/android/settings/SettingsActivity.java b/src/com/android/settings/SettingsActivity.java
index 971ae04..7e77047 100644
--- a/src/com/android/settings/SettingsActivity.java
+++ b/src/com/android/settings/SettingsActivity.java

@@ -39,11 +39,11 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v4.content.LocalBroadcastManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceManager;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceFragment;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceManager;
 import android.text.TextUtils;
 import android.transition.TransitionManager;
 import android.util.FeatureFlagUtils;

diff --git a/src/com/android/settings/SettingsInitialize.java b/src/com/android/settings/SettingsInitialize.java
index 0bc892c..7272399 100644
--- a/src/com/android/settings/SettingsInitialize.java
+++ b/src/com/android/settings/SettingsInitialize.java

@@ -27,7 +27,7 @@
 import android.content.pm.UserInfo;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import java.util.ArrayList;

diff --git a/src/com/android/settings/SettingsLicenseActivity.java b/src/com/android/settings/SettingsLicenseActivity.java
index ebb1ae1..c1489b0 100644
--- a/src/com/android/settings/SettingsLicenseActivity.java
+++ b/src/com/android/settings/SettingsLicenseActivity.java

@@ -25,8 +25,8 @@
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v4.content.FileProvider;
+import androidx.annotation.VisibleForTesting;
+import androidx.core.content.FileProvider;
 import android.text.TextUtils;
 import android.util.Log;
 import android.widget.Toast;

diff --git a/src/com/android/settings/SettingsPreferenceFragment.java b/src/com/android/settings/SettingsPreferenceFragment.java
index 95a039b..e5a4892 100644
--- a/src/com/android/settings/SettingsPreferenceFragment.java
+++ b/src/com/android/settings/SettingsPreferenceFragment.java

@@ -26,13 +26,13 @@
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
-import android.support.annotation.XmlRes;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.VisibleForTesting;
+import androidx.annotation.XmlRes;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.Log;

diff --git a/src/com/android/settings/SetupWizardUtils.java b/src/com/android/settings/SetupWizardUtils.java
index 85acc8a..e449d52 100644
--- a/src/com/android/settings/SetupWizardUtils.java
+++ b/src/com/android/settings/SetupWizardUtils.java

@@ -18,7 +18,7 @@
 
 import android.content.Intent;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.setupwizardlib.util.WizardManagerHelper;
 

diff --git a/src/com/android/settings/SummaryPreference.java b/src/com/android/settings/SummaryPreference.java
index dbe036a..8823027 100644
--- a/src/com/android/settings/SummaryPreference.java
+++ b/src/com/android/settings/SummaryPreference.java

@@ -15,8 +15,8 @@
 package com.android.settings;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.View;

diff --git a/src/com/android/settings/TestingSettings.java b/src/com/android/settings/TestingSettings.java
index 7adf133..b630685 100644
--- a/src/com/android/settings/TestingSettings.java
+++ b/src/com/android/settings/TestingSettings.java

@@ -18,7 +18,7 @@
 
 import android.os.Bundle;
 import android.os.UserManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 

diff --git a/src/com/android/settings/TetherSettings.java b/src/com/android/settings/TetherSettings.java
index 94c3fb5..8cb8efc 100644
--- a/src/com/android/settings/TetherSettings.java
+++ b/src/com/android/settings/TetherSettings.java

@@ -34,8 +34,8 @@
 import android.os.Environment;
 import android.os.Handler;
 import android.os.UserManager;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.datausage.DataSaverBackend;

diff --git a/src/com/android/settings/UserCredentialsSettings.java b/src/com/android/settings/UserCredentialsSettings.java
index 7d0fca0..571a32c 100644
--- a/src/com/android/settings/UserCredentialsSettings.java
+++ b/src/com/android/settings/UserCredentialsSettings.java

@@ -39,7 +39,7 @@
 import android.security.KeyStore;
 import android.security.keymaster.KeyCharacteristics;
 import android.security.keymaster.KeymasterDefs;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.util.Log;
 import android.util.SparseArray;
 import android.view.LayoutInflater;

diff --git a/src/com/android/settings/Utils.java b/src/com/android/settings/Utils.java
index b1ed38f..938f5b7 100644
--- a/src/com/android/settings/Utils.java
+++ b/src/com/android/settings/Utils.java

@@ -71,9 +71,9 @@
 import android.provider.ContactsContract.Profile;
 import android.provider.ContactsContract.RawContacts;
 import android.provider.Settings;
-import android.support.annotation.StringRes;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.annotation.StringRes;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
 import android.telephony.TelephonyManager;
 import android.text.Spannable;
 import android.text.SpannableString;

diff --git a/src/com/android/settings/accessibility/AccessibilitySettings.java b/src/com/android/settings/accessibility/AccessibilitySettings.java
index 0268ca4..7728e9b 100644
--- a/src/com/android/settings/accessibility/AccessibilitySettings.java
+++ b/src/com/android/settings/accessibility/AccessibilitySettings.java

@@ -33,12 +33,12 @@
 import android.os.Vibrator;
 import android.provider.SearchIndexableResource;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v4.content.ContextCompat;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.core.content.ContextCompat;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.view.KeyCharacterMap;

diff --git a/src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizard.java b/src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizard.java
index 137a9e4..3500ba2 100644
--- a/src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizard.java
+++ b/src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizard.java

@@ -21,7 +21,7 @@
 import android.content.Context;
 import android.content.pm.ServiceInfo;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.view.accessibility.AccessibilityManager;
 

diff --git a/src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizardActivity.java b/src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizardActivity.java
index 44fc9d8..37b1018 100644
--- a/src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizardActivity.java
+++ b/src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizardActivity.java

@@ -17,8 +17,8 @@
 package com.android.settings.accessibility;
 
 import android.os.Bundle;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.Preference;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.Preference;
 import android.view.Menu;
 import android.view.accessibility.AccessibilityEvent;
 

diff --git a/src/com/android/settings/accessibility/AccessibilityShortcutPreferenceFragment.java b/src/com/android/settings/accessibility/AccessibilityShortcutPreferenceFragment.java
index 1510ae4..396ddcc 100644
--- a/src/com/android/settings/accessibility/AccessibilityShortcutPreferenceFragment.java
+++ b/src/com/android/settings/accessibility/AccessibilityShortcutPreferenceFragment.java

@@ -25,8 +25,8 @@
 import android.os.Handler;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.view.accessibility.AccessibilityManager;
 import android.widget.Switch;
 

diff --git a/src/com/android/settings/accessibility/CaptionPropertiesFragment.java b/src/com/android/settings/accessibility/CaptionPropertiesFragment.java
index fbbdfad..a5e02c5 100644
--- a/src/com/android/settings/accessibility/CaptionPropertiesFragment.java
+++ b/src/com/android/settings/accessibility/CaptionPropertiesFragment.java

@@ -23,10 +23,10 @@
 import android.os.Bundle;
 import android.preference.PreferenceFrameLayout;
 import android.provider.Settings;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceCategory;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.View.OnLayoutChangeListener;

diff --git a/src/com/android/settings/accessibility/ColorPreference.java b/src/com/android/settings/accessibility/ColorPreference.java
index 27d46a0..7a7b7fc 100644
--- a/src/com/android/settings/accessibility/ColorPreference.java
+++ b/src/com/android/settings/accessibility/ColorPreference.java

@@ -20,7 +20,7 @@
 import android.graphics.Color;
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.View;

diff --git a/src/com/android/settings/accessibility/DividerAllowedBelowPreference.java b/src/com/android/settings/accessibility/DividerAllowedBelowPreference.java
index 80baaf3..53a2dda 100644
--- a/src/com/android/settings/accessibility/DividerAllowedBelowPreference.java
+++ b/src/com/android/settings/accessibility/DividerAllowedBelowPreference.java

@@ -17,8 +17,8 @@
 package com.android.settings.accessibility;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 
 /*

diff --git a/src/com/android/settings/accessibility/HapticFeedbackIntensityPreferenceController.java b/src/com/android/settings/accessibility/HapticFeedbackIntensityPreferenceController.java
index 020c2a6..090c3de 100644
--- a/src/com/android/settings/accessibility/HapticFeedbackIntensityPreferenceController.java
+++ b/src/com/android/settings/accessibility/HapticFeedbackIntensityPreferenceController.java

@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 public class HapticFeedbackIntensityPreferenceController
         extends VibrationIntensityPreferenceController {

diff --git a/src/com/android/settings/accessibility/LocalePreference.java b/src/com/android/settings/accessibility/LocalePreference.java
index 2d87b6e..4d3497d 100644
--- a/src/com/android/settings/accessibility/LocalePreference.java
+++ b/src/com/android/settings/accessibility/LocalePreference.java

@@ -17,7 +17,7 @@
 package com.android.settings.accessibility;
 
 import android.content.Context;
-import android.support.v7.preference.ListPreference;
+import androidx.preference.ListPreference;
 import android.util.AttributeSet;
 
 import com.android.internal.app.LocalePicker;

diff --git a/src/com/android/settings/accessibility/MagnificationGesturesPreferenceController.java b/src/com/android/settings/accessibility/MagnificationGesturesPreferenceController.java
index 98f6672..54db3d0 100644
--- a/src/com/android/settings/accessibility/MagnificationGesturesPreferenceController.java
+++ b/src/com/android/settings/accessibility/MagnificationGesturesPreferenceController.java

@@ -16,7 +16,7 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;

diff --git a/src/com/android/settings/accessibility/MagnificationNavbarPreferenceController.java b/src/com/android/settings/accessibility/MagnificationNavbarPreferenceController.java
index e0ea6f2..fc5949d 100644
--- a/src/com/android/settings/accessibility/MagnificationNavbarPreferenceController.java
+++ b/src/com/android/settings/accessibility/MagnificationNavbarPreferenceController.java

@@ -16,7 +16,7 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;

diff --git a/src/com/android/settings/accessibility/MagnificationPreferenceFragment.java b/src/com/android/settings/accessibility/MagnificationPreferenceFragment.java
index e79dd54..f2e357f 100644
--- a/src/com/android/settings/accessibility/MagnificationPreferenceFragment.java
+++ b/src/com/android/settings/accessibility/MagnificationPreferenceFragment.java

@@ -23,7 +23,7 @@
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.view.accessibility.AccessibilityManager;
 

diff --git a/src/com/android/settings/accessibility/NotificationVibrationIntensityPreferenceController.java b/src/com/android/settings/accessibility/NotificationVibrationIntensityPreferenceController.java
index a016478..362b59c 100644
--- a/src/com/android/settings/accessibility/NotificationVibrationIntensityPreferenceController.java
+++ b/src/com/android/settings/accessibility/NotificationVibrationIntensityPreferenceController.java

@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 public class NotificationVibrationIntensityPreferenceController
         extends VibrationIntensityPreferenceController {

diff --git a/src/com/android/settings/accessibility/ToggleAutoclickPreferenceFragment.java b/src/com/android/settings/accessibility/ToggleAutoclickPreferenceFragment.java
index a61cfdb..3f0fe0c 100644
--- a/src/com/android/settings/accessibility/ToggleAutoclickPreferenceFragment.java
+++ b/src/com/android/settings/accessibility/ToggleAutoclickPreferenceFragment.java

@@ -19,7 +19,7 @@
 import android.content.res.Resources;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.view.accessibility.AccessibilityManager;
 import android.widget.Switch;
 

diff --git a/src/com/android/settings/accessibility/ToggleDaltonizerPreferenceFragment.java b/src/com/android/settings/accessibility/ToggleDaltonizerPreferenceFragment.java
index 69044aa..a38fd27 100644
--- a/src/com/android/settings/accessibility/ToggleDaltonizerPreferenceFragment.java
+++ b/src/com/android/settings/accessibility/ToggleDaltonizerPreferenceFragment.java

@@ -18,8 +18,8 @@
 
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.view.accessibility.AccessibilityManager;
 import android.widget.Switch;
 

diff --git a/src/com/android/settings/accessibility/ToggleFeaturePreferenceFragment.java b/src/com/android/settings/accessibility/ToggleFeaturePreferenceFragment.java
index 7dacbb0..dbc73bb 100644
--- a/src/com/android/settings/accessibility/ToggleFeaturePreferenceFragment.java
+++ b/src/com/android/settings/accessibility/ToggleFeaturePreferenceFragment.java

@@ -19,8 +19,8 @@
 import android.content.Intent;
 import android.content.pm.ResolveInfo;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.view.View;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/accessibility/ToggleScreenMagnificationPreferenceFragment.java b/src/com/android/settings/accessibility/ToggleScreenMagnificationPreferenceFragment.java
index ecb4b9f..1b976ad 100644
--- a/src/com/android/settings/accessibility/ToggleScreenMagnificationPreferenceFragment.java
+++ b/src/com/android/settings/accessibility/ToggleScreenMagnificationPreferenceFragment.java

@@ -26,9 +26,9 @@
 import android.net.Uri;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.PreferenceViewHolder;
 import android.view.Display;
 import android.view.ViewTreeObserver.OnGlobalLayoutListener;
 import android.view.WindowManager;

diff --git a/src/com/android/settings/accessibility/VibrationIntensityPreferenceController.java b/src/com/android/settings/accessibility/VibrationIntensityPreferenceController.java
index ea212cf..34516b4 100644
--- a/src/com/android/settings/accessibility/VibrationIntensityPreferenceController.java
+++ b/src/com/android/settings/accessibility/VibrationIntensityPreferenceController.java

@@ -23,8 +23,8 @@
 import android.os.Looper;
 import android.os.Vibrator;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;

diff --git a/src/com/android/settings/accessibility/VibrationPreferenceFragment.java b/src/com/android/settings/accessibility/VibrationPreferenceFragment.java
index e911b61..3a82cde 100644
--- a/src/com/android/settings/accessibility/VibrationPreferenceFragment.java
+++ b/src/com/android/settings/accessibility/VibrationPreferenceFragment.java

@@ -17,7 +17,7 @@
 
 import static android.os.Vibrator.VibrationIntensity;
 
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.content.Context;
 import android.database.ContentObserver;
 import android.graphics.drawable.Drawable;

diff --git a/src/com/android/settings/accounts/AccountDetailDashboardFragment.java b/src/com/android/settings/accounts/AccountDetailDashboardFragment.java
index 109e782..241f1f3 100644
--- a/src/com/android/settings/accounts/AccountDetailDashboardFragment.java
+++ b/src/com/android/settings/accounts/AccountDetailDashboardFragment.java

@@ -21,8 +21,8 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;

diff --git a/src/com/android/settings/accounts/AccountHeaderPreferenceController.java b/src/com/android/settings/accounts/AccountHeaderPreferenceController.java
index e2902a2..7871346 100644
--- a/src/com/android/settings/accounts/AccountHeaderPreferenceController.java
+++ b/src/com/android/settings/accounts/AccountHeaderPreferenceController.java

@@ -24,8 +24,8 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.applications.LayoutPreference;

diff --git a/src/com/android/settings/accounts/AccountPreference.java b/src/com/android/settings/accounts/AccountPreference.java
index 7d613b0..ad7a4b3 100644
--- a/src/com/android/settings/accounts/AccountPreference.java
+++ b/src/com/android/settings/accounts/AccountPreference.java

@@ -19,8 +19,8 @@
 import android.accounts.Account;
 import android.content.Context;
 import android.graphics.drawable.Drawable;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.Log;
 import android.widget.ImageView;
 

diff --git a/src/com/android/settings/accounts/AccountPreferenceController.java b/src/com/android/settings/accounts/AccountPreferenceController.java
index d9410b2..80a5435 100644
--- a/src/com/android/settings/accounts/AccountPreferenceController.java
+++ b/src/com/android/settings/accounts/AccountPreferenceController.java

@@ -36,10 +36,10 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 import android.text.BidiFormatter;
 import android.util.ArrayMap;
 import android.util.Log;

diff --git a/src/com/android/settings/accounts/AccountSyncPreferenceController.java b/src/com/android/settings/accounts/AccountSyncPreferenceController.java
index c770713..a0c30ac 100644
--- a/src/com/android/settings/accounts/AccountSyncPreferenceController.java
+++ b/src/com/android/settings/accounts/AccountSyncPreferenceController.java

@@ -24,9 +24,9 @@
 import android.content.SyncAdapterType;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;

diff --git a/src/com/android/settings/accounts/AccountSyncSettings.java b/src/com/android/settings/accounts/AccountSyncSettings.java
index fd2e2c5..cea9228 100644
--- a/src/com/android/settings/accounts/AccountSyncSettings.java
+++ b/src/com/android/settings/accounts/AccountSyncSettings.java

@@ -35,7 +35,7 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.text.format.DateUtils;
 import android.util.Log;

diff --git a/src/com/android/settings/accounts/AccountTypePreference.java b/src/com/android/settings/accounts/AccountTypePreference.java
index e08f113..66f8888 100644
--- a/src/com/android/settings/accounts/AccountTypePreference.java
+++ b/src/com/android/settings/accounts/AccountTypePreference.java

@@ -24,8 +24,8 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceClickListener;
 
 import com.android.settings.Utils;
 import com.android.settings.core.SubSettingLauncher;

diff --git a/src/com/android/settings/accounts/AccountTypePreferenceLoader.java b/src/com/android/settings/accounts/AccountTypePreferenceLoader.java
index a90a3d3..e811388 100644
--- a/src/com/android/settings/accounts/AccountTypePreferenceLoader.java
+++ b/src/com/android/settings/accounts/AccountTypePreferenceLoader.java

@@ -29,11 +29,11 @@
 import android.content.res.Resources;
 import android.content.res.Resources.Theme;
 import android.os.UserHandle;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.Log;
 

diff --git a/src/com/android/settings/accounts/ChooseAccountActivity.java b/src/com/android/settings/accounts/ChooseAccountActivity.java
index fe6f7b4..35f51af 100644
--- a/src/com/android/settings/accounts/ChooseAccountActivity.java
+++ b/src/com/android/settings/accounts/ChooseAccountActivity.java

@@ -33,8 +33,8 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;

diff --git a/src/com/android/settings/accounts/ContactSearchPreferenceController.java b/src/com/android/settings/accounts/ContactSearchPreferenceController.java
index 578a5cb..de6e43b 100644
--- a/src/com/android/settings/accounts/ContactSearchPreferenceController.java
+++ b/src/com/android/settings/accounts/ContactSearchPreferenceController.java

@@ -18,7 +18,7 @@
 import android.content.Context;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.slices.SliceData;

diff --git a/src/com/android/settings/accounts/EmergencyInfoPreferenceController.java b/src/com/android/settings/accounts/EmergencyInfoPreferenceController.java
index e1aeeb2..95bc8e7 100644
--- a/src/com/android/settings/accounts/EmergencyInfoPreferenceController.java
+++ b/src/com/android/settings/accounts/EmergencyInfoPreferenceController.java

@@ -22,7 +22,7 @@
 import android.content.res.Resources;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/accounts/RemoveAccountPreferenceController.java b/src/com/android/settings/accounts/RemoveAccountPreferenceController.java
index 24d3ea1..ecb849b 100644
--- a/src/com/android/settings/accounts/RemoveAccountPreferenceController.java
+++ b/src/com/android/settings/accounts/RemoveAccountPreferenceController.java

@@ -31,7 +31,7 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.Button;

diff --git a/src/com/android/settings/accounts/SyncStateSwitchPreference.java b/src/com/android/settings/accounts/SyncStateSwitchPreference.java
index 456edba..b65b183 100644
--- a/src/com/android/settings/accounts/SyncStateSwitchPreference.java
+++ b/src/com/android/settings/accounts/SyncStateSwitchPreference.java

@@ -19,8 +19,8 @@
 import android.accounts.Account;
 import android.app.ActivityManager;
 import android.content.Context;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.Log;

diff --git a/src/com/android/settings/accounts/WorkModePreferenceController.java b/src/com/android/settings/accounts/WorkModePreferenceController.java
index e3fb15d..890dd68 100644
--- a/src/com/android/settings/accounts/WorkModePreferenceController.java
+++ b/src/com/android/settings/accounts/WorkModePreferenceController.java

@@ -19,10 +19,10 @@
 import android.content.IntentFilter;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
 import android.util.Log;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/applications/AppInfoWithHeader.java b/src/com/android/settings/applications/AppInfoWithHeader.java
index af0cf5b..dd71087 100644
--- a/src/com/android/settings/applications/AppInfoWithHeader.java
+++ b/src/com/android/settings/applications/AppInfoWithHeader.java

@@ -20,7 +20,7 @@
 
 import android.app.Activity;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.IconDrawableFactory;
 import android.util.Log;
 

diff --git a/src/com/android/settings/applications/AppLaunchSettings.java b/src/com/android/settings/applications/AppLaunchSettings.java
index 4a9ed30..7d422b1 100644
--- a/src/com/android/settings/applications/AppLaunchSettings.java
+++ b/src/com/android/settings/applications/AppLaunchSettings.java

@@ -26,9 +26,9 @@
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.v7.preference.DropDownPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.DropDownPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
 import android.util.ArraySet;
 import android.util.Log;
 import android.view.View;

diff --git a/src/com/android/settings/applications/AppStateAppOpsBridge.java b/src/com/android/settings/applications/AppStateAppOpsBridge.java
index 1f843b9..f8dd59c 100755
--- a/src/com/android/settings/applications/AppStateAppOpsBridge.java
+++ b/src/com/android/settings/applications/AppStateAppOpsBridge.java

@@ -25,7 +25,7 @@
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.ArrayMap;
 import android.util.Log;
 import android.util.SparseArray;

diff --git a/src/com/android/settings/applications/AppStorageSettings.java b/src/com/android/settings/applications/AppStorageSettings.java
index 6e85f56..8289114 100644
--- a/src/com/android/settings/applications/AppStorageSettings.java
+++ b/src/com/android/settings/applications/AppStorageSettings.java

@@ -47,9 +47,9 @@
 import android.os.UserHandle;
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeInfo;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
 import android.util.Log;
 import android.util.MutableInt;
 import android.view.View;

diff --git a/src/com/android/settings/applications/AppStorageSizesController.java b/src/com/android/settings/applications/AppStorageSizesController.java
index 3626fab..6999a15 100644
--- a/src/com/android/settings/applications/AppStorageSizesController.java
+++ b/src/com/android/settings/applications/AppStorageSizesController.java

@@ -17,9 +17,9 @@
 package com.android.settings.applications;
 
 import android.content.Context;
-import android.support.annotation.Nullable;
-import android.support.annotation.StringRes;
-import android.support.v7.preference.Preference;
+import androidx.annotation.Nullable;
+import androidx.annotation.StringRes;
+import androidx.preference.Preference;
 import android.text.format.Formatter;
 
 import com.android.internal.util.Preconditions;

diff --git a/src/com/android/settings/applications/ClearDefaultsPreference.java b/src/com/android/settings/applications/ClearDefaultsPreference.java
index 0de2676..26eb084 100644
--- a/src/com/android/settings/applications/ClearDefaultsPreference.java
+++ b/src/com/android/settings/applications/ClearDefaultsPreference.java

@@ -24,9 +24,9 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.UserHandle;
-import android.support.v4.content.res.TypedArrayUtils;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.core.content.res.TypedArrayUtils;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.SpannableString;
 import android.text.TextUtils;
 import android.text.style.BulletSpan;
@@ -70,7 +70,7 @@
 
     public ClearDefaultsPreference(Context context, AttributeSet attrs) {
         this(context, attrs, TypedArrayUtils.getAttr(context,
-                android.support.v7.preference.R.attr.preferenceStyle,
+                androidx.preference.R.attr.preferenceStyle,
                 android.R.attr.preferenceStyle));
     }
 

diff --git a/src/com/android/settings/applications/DataSaverController.java b/src/com/android/settings/applications/DataSaverController.java
index d9710fc..ce12a16 100644
--- a/src/com/android/settings/applications/DataSaverController.java
+++ b/src/com/android/settings/applications/DataSaverController.java

@@ -18,7 +18,7 @@
 package com.android.settings.applications;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.R;

diff --git a/src/com/android/settings/applications/DeviceAdministratorsController.java b/src/com/android/settings/applications/DeviceAdministratorsController.java
index c7ef8ce..8b6fb73 100644
--- a/src/com/android/settings/applications/DeviceAdministratorsController.java
+++ b/src/com/android/settings/applications/DeviceAdministratorsController.java

@@ -17,7 +17,7 @@
 package com.android.settings.applications;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.R;

diff --git a/src/com/android/settings/applications/DirectoryAccessDetails.java b/src/com/android/settings/applications/DirectoryAccessDetails.java
index 4876e3d..8a8fa98 100644
--- a/src/com/android/settings/applications/DirectoryAccessDetails.java
+++ b/src/com/android/settings/applications/DirectoryAccessDetails.java

@@ -42,15 +42,15 @@
 import android.os.Bundle;
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeInfo;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroupAdapter;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroupAdapter;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceCategory;
 import android.text.TextUtils;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 import android.util.ArrayMap;
 import android.util.ArraySet;
 import android.util.IconDrawableFactory;

diff --git a/src/com/android/settings/applications/EnabledVrListenersController.java b/src/com/android/settings/applications/EnabledVrListenersController.java
index 94a70ef..0f09e09 100644
--- a/src/com/android/settings/applications/EnabledVrListenersController.java
+++ b/src/com/android/settings/applications/EnabledVrListenersController.java

@@ -17,7 +17,7 @@
 package com.android.settings.applications;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.R;

diff --git a/src/com/android/settings/applications/HighPowerAppsController.java b/src/com/android/settings/applications/HighPowerAppsController.java
index dc847b3..0d294a9 100644
--- a/src/com/android/settings/applications/HighPowerAppsController.java
+++ b/src/com/android/settings/applications/HighPowerAppsController.java

@@ -17,7 +17,7 @@
 package com.android.settings.applications;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.R;

diff --git a/src/com/android/settings/applications/LayoutPreference.java b/src/com/android/settings/applications/LayoutPreference.java
index 6940a4b..f80100f 100644
--- a/src/com/android/settings/applications/LayoutPreference.java
+++ b/src/com/android/settings/applications/LayoutPreference.java

@@ -18,10 +18,10 @@
 
 import android.content.Context;
 import android.content.res.TypedArray;
-import android.support.annotation.VisibleForTesting;
-import android.support.v4.content.res.TypedArrayUtils;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.VisibleForTesting;
+import androidx.core.content.res.TypedArrayUtils;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.LayoutInflater;
 import android.view.View;

diff --git a/src/com/android/settings/applications/ManageDomainUrls.java b/src/com/android/settings/applications/ManageDomainUrls.java
index adf406a..1b9dbaf 100644
--- a/src/com/android/settings/applications/ManageDomainUrls.java
+++ b/src/com/android/settings/applications/ManageDomainUrls.java

@@ -23,14 +23,14 @@
 import android.os.UserHandle;
 import android.provider.Settings;
 import android.provider.Settings.Global;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceViewHolder;
 import android.util.ArraySet;
 import android.view.View;
 

diff --git a/src/com/android/settings/applications/PremiumSmsAccess.java b/src/com/android/settings/applications/PremiumSmsAccess.java
index ab6ea24..2210c0b 100644
--- a/src/com/android/settings/applications/PremiumSmsAccess.java
+++ b/src/com/android/settings/applications/PremiumSmsAccess.java

@@ -18,11 +18,11 @@
 import android.app.Application;
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v7.preference.DropDownPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.DropDownPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.PreferenceViewHolder;
 import android.view.View;
 
 import com.android.internal.annotations.VisibleForTesting;

diff --git a/src/com/android/settings/applications/PremiumSmsController.java b/src/com/android/settings/applications/PremiumSmsController.java
index 40911a5..bcb9d7b 100644
--- a/src/com/android/settings/applications/PremiumSmsController.java
+++ b/src/com/android/settings/applications/PremiumSmsController.java

@@ -17,7 +17,7 @@
 package com.android.settings.applications;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.R;

diff --git a/src/com/android/settings/applications/ProcessStatsDetail.java b/src/com/android/settings/applications/ProcessStatsDetail.java
index af35298..7560952 100644
--- a/src/com/android/settings/applications/ProcessStatsDetail.java
+++ b/src/com/android/settings/applications/ProcessStatsDetail.java

@@ -33,8 +33,8 @@
 import android.os.Bundle;
 import android.os.Process;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
 import android.text.format.Formatter;
 import android.util.ArrayMap;
 import android.util.IconDrawableFactory;

diff --git a/src/com/android/settings/applications/ProcessStatsSummary.java b/src/com/android/settings/applications/ProcessStatsSummary.java
index 53da04c..72572db 100644
--- a/src/com/android/settings/applications/ProcessStatsSummary.java
+++ b/src/com/android/settings/applications/ProcessStatsSummary.java

@@ -18,8 +18,8 @@
 import android.app.Activity;
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceClickListener;
 import android.text.format.Formatter;
 import android.text.format.Formatter.BytesResult;
 

diff --git a/src/com/android/settings/applications/ProcessStatsUi.java b/src/com/android/settings/applications/ProcessStatsUi.java
index cb2a1eb..42475d2 100644
--- a/src/com/android/settings/applications/ProcessStatsUi.java
+++ b/src/com/android/settings/applications/ProcessStatsUi.java

@@ -19,8 +19,8 @@
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
 import android.util.Log;
 import android.util.TimeUtils;
 import android.view.Menu;

diff --git a/src/com/android/settings/applications/RecentAppsPreferenceController.java b/src/com/android/settings/applications/RecentAppsPreferenceController.java
index b177225..92d8af1 100644
--- a/src/com/android/settings/applications/RecentAppsPreferenceController.java
+++ b/src/com/android/settings/applications/RecentAppsPreferenceController.java

@@ -27,10 +27,10 @@
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.ArraySet;

diff --git a/src/com/android/settings/applications/SpacePreference.java b/src/com/android/settings/applications/SpacePreference.java
index 797bc92..b532896 100644
--- a/src/com/android/settings/applications/SpacePreference.java
+++ b/src/com/android/settings/applications/SpacePreference.java

@@ -17,9 +17,9 @@
 
 import android.content.Context;
 import android.content.res.TypedArray;
-import android.support.v4.content.res.TypedArrayUtils;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.core.content.res.TypedArrayUtils;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.ViewGroup.LayoutParams;
 import com.android.settings.R;
@@ -34,7 +34,7 @@
 
     public SpacePreference(Context context, AttributeSet attrs) {
         this(context, attrs, TypedArrayUtils.getAttr(context,
-                android.support.v7.preference.R.attr.preferenceStyle,
+                androidx.preference.R.attr.preferenceStyle,
                 android.R.attr.preferenceStyle));
     }
 

diff --git a/src/com/android/settings/applications/SpecialAccessSettings.java b/src/com/android/settings/applications/SpecialAccessSettings.java
index da41a18..7679b1f 100644
--- a/src/com/android/settings/applications/SpecialAccessSettings.java
+++ b/src/com/android/settings/applications/SpecialAccessSettings.java

@@ -17,9 +17,9 @@
 import android.app.ActivityManager;
 import android.content.Context;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.provider.SearchIndexableResource;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
 import com.android.settings.dashboard.DashboardFragment;

diff --git a/src/com/android/settings/applications/SpecialAppAccessPreferenceController.java b/src/com/android/settings/applications/SpecialAppAccessPreferenceController.java
index ae578d0..ef2b211 100644
--- a/src/com/android/settings/applications/SpecialAppAccessPreferenceController.java
+++ b/src/com/android/settings/applications/SpecialAppAccessPreferenceController.java

@@ -14,7 +14,7 @@
 package com.android.settings.applications;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settings.datausage.DataSaverBackend;

diff --git a/src/com/android/settings/applications/UsageAccessDetails.java b/src/com/android/settings/applications/UsageAccessDetails.java
index fdb20c9..1681b1d 100644
--- a/src/com/android/settings/applications/UsageAccessDetails.java
+++ b/src/com/android/settings/applications/UsageAccessDetails.java

@@ -27,10 +27,10 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.Preference.OnPreferenceClickListener;
 import android.util.Log;
 
 import com.android.internal.annotations.VisibleForTesting;

diff --git a/src/com/android/settings/applications/appinfo/AppActionButtonPreferenceController.java b/src/com/android/settings/applications/appinfo/AppActionButtonPreferenceController.java
index da90909..79c2224 100644
--- a/src/com/android/settings/applications/appinfo/AppActionButtonPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppActionButtonPreferenceController.java

@@ -33,8 +33,8 @@
 import android.os.ServiceManager;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 import android.webkit.IWebViewUpdateService;
 

diff --git a/src/com/android/settings/applications/appinfo/AppBatteryPreferenceController.java b/src/com/android/settings/applications/appinfo/AppBatteryPreferenceController.java
index afcf760..9f42b4d 100644
--- a/src/com/android/settings/applications/appinfo/AppBatteryPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppBatteryPreferenceController.java

@@ -23,9 +23,9 @@
 import android.os.BatteryStats;
 import android.os.Bundle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.os.BatterySipper;
 import com.android.internal.os.BatteryStatsHelper;

diff --git a/src/com/android/settings/applications/appinfo/AppDataUsagePreferenceController.java b/src/com/android/settings/applications/appinfo/AppDataUsagePreferenceController.java
index a40562a..d7d3189 100644
--- a/src/com/android/settings/applications/appinfo/AppDataUsagePreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppDataUsagePreferenceController.java

@@ -25,9 +25,9 @@
 import android.os.Bundle;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.format.DateUtils;
 import android.text.format.Formatter;
 

diff --git a/src/com/android/settings/applications/appinfo/AppHeaderViewPreferenceController.java b/src/com/android/settings/applications/appinfo/AppHeaderViewPreferenceController.java
index 4b7631a..0f22716 100644
--- a/src/com/android/settings/applications/appinfo/AppHeaderViewPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppHeaderViewPreferenceController.java

@@ -19,7 +19,7 @@
 import android.app.Activity;
 import android.content.Context;
 import android.content.pm.PackageInfo;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.Utils;

diff --git a/src/com/android/settings/applications/appinfo/AppInfoDashboardFragment.java b/src/com/android/settings/applications/appinfo/AppInfoDashboardFragment.java
index 4a0db4e..3a4fff0 100755
--- a/src/com/android/settings/applications/appinfo/AppInfoDashboardFragment.java
+++ b/src/com/android/settings/applications/appinfo/AppInfoDashboardFragment.java

@@ -39,7 +39,7 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.Menu;

diff --git a/src/com/android/settings/applications/appinfo/AppInfoPreferenceControllerBase.java b/src/com/android/settings/applications/appinfo/AppInfoPreferenceControllerBase.java
index 70313d1..3fc629d 100644
--- a/src/com/android/settings/applications/appinfo/AppInfoPreferenceControllerBase.java
+++ b/src/com/android/settings/applications/appinfo/AppInfoPreferenceControllerBase.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.SettingsPreferenceFragment;

diff --git a/src/com/android/settings/applications/appinfo/AppInstallerInfoPreferenceController.java b/src/com/android/settings/applications/appinfo/AppInstallerInfoPreferenceController.java
index 3b3790b..6a1079c 100644
--- a/src/com/android/settings/applications/appinfo/AppInstallerInfoPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppInstallerInfoPreferenceController.java

@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.Utils;

diff --git a/src/com/android/settings/applications/appinfo/AppMemoryPreferenceController.java b/src/com/android/settings/applications/appinfo/AppMemoryPreferenceController.java
index daf3992..b1836ad 100644
--- a/src/com/android/settings/applications/appinfo/AppMemoryPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppMemoryPreferenceController.java

@@ -20,8 +20,8 @@
 import android.content.Context;
 import android.content.pm.PackageInfo;
 import android.os.AsyncTask;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.format.Formatter;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/applications/appinfo/AppNotificationPreferenceController.java b/src/com/android/settings/applications/appinfo/AppNotificationPreferenceController.java
index 33b44ff..d4e7e60 100644
--- a/src/com/android/settings/applications/appinfo/AppNotificationPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppNotificationPreferenceController.java

@@ -20,7 +20,7 @@
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;

diff --git a/src/com/android/settings/applications/appinfo/AppOpenByDefaultPreferenceController.java b/src/com/android/settings/applications/appinfo/AppOpenByDefaultPreferenceController.java
index a16a74d..7e61385 100644
--- a/src/com/android/settings/applications/appinfo/AppOpenByDefaultPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppOpenByDefaultPreferenceController.java

@@ -22,8 +22,8 @@
 import android.content.pm.PackageManager;
 import android.hardware.usb.IUsbManager;
 import android.os.ServiceManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.applications.AppLaunchSettings;

diff --git a/src/com/android/settings/applications/appinfo/AppPermissionPreferenceController.java b/src/com/android/settings/applications/appinfo/AppPermissionPreferenceController.java
index c61dd43..c5eed7b 100644
--- a/src/com/android/settings/applications/appinfo/AppPermissionPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppPermissionPreferenceController.java

@@ -21,8 +21,8 @@
 import android.content.Intent;
 import android.content.res.Resources;
 import android.icu.text.ListFormatter;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/applications/appinfo/AppStoragePreferenceController.java b/src/com/android/settings/applications/appinfo/AppStoragePreferenceController.java
index 913a6bd..5754dd2 100644
--- a/src/com/android/settings/applications/appinfo/AppStoragePreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppStoragePreferenceController.java

@@ -22,8 +22,8 @@
 import android.content.pm.ApplicationInfo;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.text.format.Formatter;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/applications/appinfo/DefaultAppShortcutPreferenceControllerBase.java b/src/com/android/settings/applications/appinfo/DefaultAppShortcutPreferenceControllerBase.java
index cf1731d..bd8127a 100644
--- a/src/com/android/settings/applications/appinfo/DefaultAppShortcutPreferenceControllerBase.java
+++ b/src/com/android/settings/applications/appinfo/DefaultAppShortcutPreferenceControllerBase.java

@@ -17,7 +17,7 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.internal.logging.nano.MetricsProto;

diff --git a/src/com/android/settings/applications/appinfo/DrawOverlayDetails.java b/src/com/android/settings/applications/appinfo/DrawOverlayDetails.java
index bff6669..9efa998 100644
--- a/src/com/android/settings/applications/appinfo/DrawOverlayDetails.java
+++ b/src/com/android/settings/applications/appinfo/DrawOverlayDetails.java

@@ -27,10 +27,10 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.Preference.OnPreferenceClickListener;
 import android.util.Log;
 import android.view.Window;
 import android.view.WindowManager;

diff --git a/src/com/android/settings/applications/appinfo/ExternalSourceDetailPreferenceController.java b/src/com/android/settings/applications/appinfo/ExternalSourceDetailPreferenceController.java
index a1e8536..0194f85 100644
--- a/src/com/android/settings/applications/appinfo/ExternalSourceDetailPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/ExternalSourceDetailPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.applications.AppStateInstallAppsBridge;

diff --git a/src/com/android/settings/applications/appinfo/ExternalSourcesDetails.java b/src/com/android/settings/applications/appinfo/ExternalSourcesDetails.java
index 87e5fdb..0c06e08 100644
--- a/src/com/android/settings/applications/appinfo/ExternalSourcesDetails.java
+++ b/src/com/android/settings/applications/appinfo/ExternalSourcesDetails.java

@@ -24,8 +24,8 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;

diff --git a/src/com/android/settings/applications/appinfo/InstantAppButtonsPreferenceController.java b/src/com/android/settings/applications/appinfo/InstantAppButtonsPreferenceController.java
index d2515a3..eb5e2eb 100644
--- a/src/com/android/settings/applications/appinfo/InstantAppButtonsPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/InstantAppButtonsPreferenceController.java

@@ -25,8 +25,8 @@
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.view.Menu;
 import android.view.MenuInflater;

diff --git a/src/com/android/settings/applications/appinfo/InstantAppDomainsPreferenceController.java b/src/com/android/settings/applications/appinfo/InstantAppDomainsPreferenceController.java
index 211abf5..c0ba33f 100644
--- a/src/com/android/settings/applications/appinfo/InstantAppDomainsPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/InstantAppDomainsPreferenceController.java

@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.content.pm.PackageManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.Utils;
 import com.android.settings.applications.AppDomainsPreference;

diff --git a/src/com/android/settings/applications/appinfo/PictureInPictureDetailPreferenceController.java b/src/com/android/settings/applications/appinfo/PictureInPictureDetailPreferenceController.java
index 321fe65..7b98404 100644
--- a/src/com/android/settings/applications/appinfo/PictureInPictureDetailPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/PictureInPictureDetailPreferenceController.java

@@ -20,8 +20,8 @@
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.settings.SettingsPreferenceFragment;

diff --git a/src/com/android/settings/applications/appinfo/PictureInPictureDetails.java b/src/com/android/settings/applications/appinfo/PictureInPictureDetails.java
index 1d9a544..21b224a 100644
--- a/src/com/android/settings/applications/appinfo/PictureInPictureDetails.java
+++ b/src/com/android/settings/applications/appinfo/PictureInPictureDetails.java

@@ -19,9 +19,9 @@
 import android.app.AppOpsManager;
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;

diff --git a/src/com/android/settings/applications/appinfo/PictureInPictureSettings.java b/src/com/android/settings/applications/appinfo/PictureInPictureSettings.java
index ef2c7a9..9d7f30a 100644
--- a/src/com/android/settings/applications/appinfo/PictureInPictureSettings.java
+++ b/src/com/android/settings/applications/appinfo/PictureInPictureSettings.java

@@ -27,9 +27,9 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceScreen;
 import android.util.IconDrawableFactory;
 import android.util.Pair;
 import android.view.View;

diff --git a/src/com/android/settings/applications/appinfo/TimeSpentInAppPreferenceController.java b/src/com/android/settings/applications/appinfo/TimeSpentInAppPreferenceController.java
index 0997e60..dd07727 100644
--- a/src/com/android/settings/applications/appinfo/TimeSpentInAppPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/TimeSpentInAppPreferenceController.java

@@ -21,9 +21,9 @@
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.core.BasePreferenceController;

diff --git a/src/com/android/settings/applications/appinfo/WriteSettingsDetails.java b/src/com/android/settings/applications/appinfo/WriteSettingsDetails.java
index b77fbcb..6171547 100644
--- a/src/com/android/settings/applications/appinfo/WriteSettingsDetails.java
+++ b/src/com/android/settings/applications/appinfo/WriteSettingsDetails.java

@@ -25,10 +25,10 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.Preference.OnPreferenceClickListener;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;

diff --git a/src/com/android/settings/applications/assist/AssistContextPreferenceController.java b/src/com/android/settings/applications/assist/AssistContextPreferenceController.java
index f54d5f4..2ac51e7 100644
--- a/src/com/android/settings/applications/assist/AssistContextPreferenceController.java
+++ b/src/com/android/settings/applications/assist/AssistContextPreferenceController.java

@@ -20,9 +20,9 @@
 import android.net.Uri;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
 
 import com.android.internal.app.AssistUtils;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/applications/assist/AssistFlashScreenPreferenceController.java b/src/com/android/settings/applications/assist/AssistFlashScreenPreferenceController.java
index 083ab42..ccdaced 100644
--- a/src/com/android/settings/applications/assist/AssistFlashScreenPreferenceController.java
+++ b/src/com/android/settings/applications/assist/AssistFlashScreenPreferenceController.java

@@ -21,9 +21,9 @@
 import android.net.Uri;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.app.AssistUtils;

diff --git a/src/com/android/settings/applications/assist/AssistScreenshotPreferenceController.java b/src/com/android/settings/applications/assist/AssistScreenshotPreferenceController.java
index 0e3d621..59425f3 100644
--- a/src/com/android/settings/applications/assist/AssistScreenshotPreferenceController.java
+++ b/src/com/android/settings/applications/assist/AssistScreenshotPreferenceController.java

@@ -20,9 +20,9 @@
 import android.net.Uri;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
 
 import com.android.internal.app.AssistUtils;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/applications/assist/AssistSettingObserver.java b/src/com/android/settings/applications/assist/AssistSettingObserver.java
index 01a3a7a..c5d028e 100644
--- a/src/com/android/settings/applications/assist/AssistSettingObserver.java
+++ b/src/com/android/settings/applications/assist/AssistSettingObserver.java

@@ -20,7 +20,7 @@
 import android.database.ContentObserver;
 import android.net.Uri;
 import android.provider.Settings;
-import android.support.annotation.MainThread;
+import androidx.annotation.MainThread;
 
 import com.android.settingslib.utils.ThreadUtils;
 

diff --git a/src/com/android/settings/applications/assist/DefaultAssistPreferenceController.java b/src/com/android/settings/applications/assist/DefaultAssistPreferenceController.java
index 9c87984..6f44ff4 100644
--- a/src/com/android/settings/applications/assist/DefaultAssistPreferenceController.java
+++ b/src/com/android/settings/applications/assist/DefaultAssistPreferenceController.java

@@ -23,7 +23,7 @@
 import android.content.pm.ResolveInfo;
 import android.service.voice.VoiceInteractionService;
 import android.service.voice.VoiceInteractionServiceInfo;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.app.AssistUtils;
 import com.android.settings.R;

diff --git a/src/com/android/settings/applications/assist/DefaultVoiceInputPreferenceController.java b/src/com/android/settings/applications/assist/DefaultVoiceInputPreferenceController.java
index 09f0b21..1543367 100644
--- a/src/com/android/settings/applications/assist/DefaultVoiceInputPreferenceController.java
+++ b/src/com/android/settings/applications/assist/DefaultVoiceInputPreferenceController.java

@@ -20,8 +20,8 @@
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.internal.app.AssistUtils;

diff --git a/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceController.java b/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceController.java
index 226daaa..ec8111b 100644
--- a/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceController.java
+++ b/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceController.java

@@ -23,7 +23,7 @@
 import android.graphics.drawable.Drawable;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.Log;
 

diff --git a/src/com/android/settings/applications/defaultapps/DefaultAutofillPicker.java b/src/com/android/settings/applications/defaultapps/DefaultAutofillPicker.java
index 50c6d02..7d9989f 100644
--- a/src/com/android/settings/applications/defaultapps/DefaultAutofillPicker.java
+++ b/src/com/android/settings/applications/defaultapps/DefaultAutofillPicker.java

@@ -30,7 +30,7 @@
 import android.provider.Settings;
 import android.service.autofill.AutofillService;
 import android.service.autofill.AutofillServiceInfo;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.Html;
 import android.text.TextUtils;
 import android.util.Log;

diff --git a/src/com/android/settings/applications/defaultapps/DefaultBrowserPreferenceController.java b/src/com/android/settings/applications/defaultapps/DefaultBrowserPreferenceController.java
index c762917..9d72bcf 100644
--- a/src/com/android/settings/applications/defaultapps/DefaultBrowserPreferenceController.java
+++ b/src/com/android/settings/applications/defaultapps/DefaultBrowserPreferenceController.java

@@ -24,7 +24,7 @@
 import android.content.pm.ResolveInfo;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.IconDrawableFactory;
 import android.util.Log;

diff --git a/src/com/android/settings/applications/defaultapps/DefaultPaymentSettingsPreferenceController.java b/src/com/android/settings/applications/defaultapps/DefaultPaymentSettingsPreferenceController.java
index 413e1d5..b774602 100644
--- a/src/com/android/settings/applications/defaultapps/DefaultPaymentSettingsPreferenceController.java
+++ b/src/com/android/settings/applications/defaultapps/DefaultPaymentSettingsPreferenceController.java

@@ -20,7 +20,7 @@
 import android.content.pm.PackageManager;
 import android.nfc.NfcAdapter;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/applications/manageapplications/AppFilterItem.java b/src/com/android/settings/applications/manageapplications/AppFilterItem.java
index c6f5639..8ba7a4c 100644
--- a/src/com/android/settings/applications/manageapplications/AppFilterItem.java
+++ b/src/com/android/settings/applications/manageapplications/AppFilterItem.java

@@ -16,7 +16,7 @@
 
 package com.android.settings.applications.manageapplications;
 
-import android.support.annotation.StringRes;
+import androidx.annotation.StringRes;
 
 import com.android.settingslib.applications.ApplicationsState;
 

diff --git a/src/com/android/settings/applications/manageapplications/AppFilterRegistry.java b/src/com/android/settings/applications/manageapplications/AppFilterRegistry.java
index b05e841..ff584b5 100644
--- a/src/com/android/settings/applications/manageapplications/AppFilterRegistry.java
+++ b/src/com/android/settings/applications/manageapplications/AppFilterRegistry.java

@@ -16,7 +16,7 @@
 
 package com.android.settings.applications.manageapplications;
 
-import android.support.annotation.IntDef;
+import androidx.annotation.IntDef;
 
 import com.android.settings.R;
 import com.android.settings.applications.AppStateInstallAppsBridge;

diff --git a/src/com/android/settings/applications/manageapplications/ApplicationViewHolder.java b/src/com/android/settings/applications/manageapplications/ApplicationViewHolder.java
index f7b41a6..a1a4c22 100644
--- a/src/com/android/settings/applications/manageapplications/ApplicationViewHolder.java
+++ b/src/com/android/settings/applications/manageapplications/ApplicationViewHolder.java

@@ -19,9 +19,9 @@
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.graphics.drawable.Drawable;
-import android.support.annotation.StringRes;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.StringRes;
+import androidx.annotation.VisibleForTesting;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.LayoutInflater;

diff --git a/src/com/android/settings/applications/manageapplications/ManageApplications.java b/src/com/android/settings/applications/manageapplications/ManageApplications.java
index f720432..90b5fc5 100644
--- a/src/com/android/settings/applications/manageapplications/ManageApplications.java
+++ b/src/com/android/settings/applications/manageapplications/ManageApplications.java

@@ -16,7 +16,7 @@
 
 package com.android.settings.applications.manageapplications;
 
-import static android.support.v7.widget.RecyclerView.SCROLL_STATE_IDLE;
+import static androidx.recyclerview.widget.RecyclerView.SCROLL_STATE_IDLE;
 import static com.android.settings.applications.manageapplications.AppFilterRegistry
         .FILTER_APPS_ALL;
 import static com.android.settings.applications.manageapplications.AppFilterRegistry
@@ -51,10 +51,10 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.preference.PreferenceFrameLayout;
-import android.support.annotation.NonNull;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.NonNull;
+import androidx.annotation.VisibleForTesting;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.TextUtils;
 import android.util.ArraySet;
 import android.util.Log;

diff --git a/src/com/android/settings/applications/manageapplications/MusicViewHolderController.java b/src/com/android/settings/applications/manageapplications/MusicViewHolderController.java
index 14d08aa..2f33c1e 100644
--- a/src/com/android/settings/applications/manageapplications/MusicViewHolderController.java
+++ b/src/com/android/settings/applications/manageapplications/MusicViewHolderController.java

@@ -21,7 +21,7 @@
 import android.content.Intent;
 import android.os.UserHandle;
 import android.provider.DocumentsContract;
-import android.support.annotation.WorkerThread;
+import androidx.annotation.WorkerThread;
 import android.text.format.Formatter;
 import android.util.Log;
 

diff --git a/src/com/android/settings/applications/manageapplications/PhotosViewHolderController.java b/src/com/android/settings/applications/manageapplications/PhotosViewHolderController.java
index 73330e9..6b7c8d6 100644
--- a/src/com/android/settings/applications/manageapplications/PhotosViewHolderController.java
+++ b/src/com/android/settings/applications/manageapplications/PhotosViewHolderController.java

@@ -20,7 +20,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.os.UserHandle;
-import android.support.annotation.WorkerThread;
+import androidx.annotation.WorkerThread;
 import android.text.format.Formatter;
 import android.util.Log;
 

diff --git a/src/com/android/settings/applications/manageapplications/ResetAppPrefPreferenceController.java b/src/com/android/settings/applications/manageapplications/ResetAppPrefPreferenceController.java
index d7f6c6e..3fc3c1d 100644
--- a/src/com/android/settings/applications/manageapplications/ResetAppPrefPreferenceController.java
+++ b/src/com/android/settings/applications/manageapplications/ResetAppPrefPreferenceController.java

@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/backup/AutoRestorePreferenceController.java b/src/com/android/settings/backup/AutoRestorePreferenceController.java
index 7bcf350..062863a 100644
--- a/src/com/android/settings/backup/AutoRestorePreferenceController.java
+++ b/src/com/android/settings/backup/AutoRestorePreferenceController.java

@@ -22,8 +22,8 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.settings.core.TogglePreferenceController;

diff --git a/src/com/android/settings/backup/BackupDataPreferenceController.java b/src/com/android/settings/backup/BackupDataPreferenceController.java
index 0a0f581..d7c8206 100644
--- a/src/com/android/settings/backup/BackupDataPreferenceController.java
+++ b/src/com/android/settings/backup/BackupDataPreferenceController.java

@@ -17,7 +17,7 @@
 package com.android.settings.backup;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.R;

diff --git a/src/com/android/settings/backup/BackupSettingsActivity.java b/src/com/android/settings/backup/BackupSettingsActivity.java
index c69414e..5bfb59c 100644
--- a/src/com/android/settings/backup/BackupSettingsActivity.java
+++ b/src/com/android/settings/backup/BackupSettingsActivity.java

@@ -23,7 +23,7 @@
 import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/backup/BackupSettingsHelper.java b/src/com/android/settings/backup/BackupSettingsHelper.java
index d0a029c..15f1dab 100644
--- a/src/com/android/settings/backup/BackupSettingsHelper.java
+++ b/src/com/android/settings/backup/BackupSettingsHelper.java

@@ -24,7 +24,7 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/backup/BackupSettingsPreferenceController.java b/src/com/android/settings/backup/BackupSettingsPreferenceController.java
index d25d2f5..ec0c011 100644
--- a/src/com/android/settings/backup/BackupSettingsPreferenceController.java
+++ b/src/com/android/settings/backup/BackupSettingsPreferenceController.java

@@ -19,8 +19,8 @@
 
 import android.content.Context;
 import android.content.Intent;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;

diff --git a/src/com/android/settings/backup/ConfigureAccountPreferenceController.java b/src/com/android/settings/backup/ConfigureAccountPreferenceController.java
index f1bcee9..8be5b5e 100644
--- a/src/com/android/settings/backup/ConfigureAccountPreferenceController.java
+++ b/src/com/android/settings/backup/ConfigureAccountPreferenceController.java

@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.content.Intent;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.R;

diff --git a/src/com/android/settings/backup/DataManagementPreferenceController.java b/src/com/android/settings/backup/DataManagementPreferenceController.java
index de987ab..0a78f96 100644
--- a/src/com/android/settings/backup/DataManagementPreferenceController.java
+++ b/src/com/android/settings/backup/DataManagementPreferenceController.java

@@ -17,7 +17,7 @@
 package com.android.settings.backup;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.BasePreferenceController;
 

diff --git a/src/com/android/settings/backup/ToggleBackupSettingFragment.java b/src/com/android/settings/backup/ToggleBackupSettingFragment.java
index cd3471b..d7ff0e6 100644
--- a/src/com/android/settings/backup/ToggleBackupSettingFragment.java
+++ b/src/com/android/settings/backup/ToggleBackupSettingFragment.java

@@ -9,9 +9,9 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.PreferenceViewHolder;
 import android.util.Log;
 import android.view.View;
 import android.widget.TextView;

diff --git a/src/com/android/settings/bluetooth/AlwaysDiscoverable.java b/src/com/android/settings/bluetooth/AlwaysDiscoverable.java
index 5d7cbd5..6f74b54 100644
--- a/src/com/android/settings/bluetooth/AlwaysDiscoverable.java
+++ b/src/com/android/settings/bluetooth/AlwaysDiscoverable.java

@@ -22,7 +22,7 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.os.Handler;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.settingslib.bluetooth.LocalBluetoothAdapter;

diff --git a/src/com/android/settings/bluetooth/AvailableMediaBluetoothDeviceUpdater.java b/src/com/android/settings/bluetooth/AvailableMediaBluetoothDeviceUpdater.java
index 1e4b693..ee9d15f 100644
--- a/src/com/android/settings/bluetooth/AvailableMediaBluetoothDeviceUpdater.java
+++ b/src/com/android/settings/bluetooth/AvailableMediaBluetoothDeviceUpdater.java

@@ -19,7 +19,7 @@
 import android.bluetooth.BluetoothAdapter;
 import android.content.Context;
 import android.media.AudioManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 import com.android.settings.connecteddevice.DevicePreferenceCallback;
 import com.android.settings.dashboard.DashboardFragment;

diff --git a/src/com/android/settings/bluetooth/BluetoothDetailsButtonsController.java b/src/com/android/settings/bluetooth/BluetoothDetailsButtonsController.java
index 5cd8171..2080645 100644
--- a/src/com/android/settings/bluetooth/BluetoothDetailsButtonsController.java
+++ b/src/com/android/settings/bluetooth/BluetoothDetailsButtonsController.java

@@ -17,8 +17,8 @@
 package com.android.settings.bluetooth;
 
 import android.content.Context;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.widget.ActionButtonPreference;

diff --git a/src/com/android/settings/bluetooth/BluetoothDetailsController.java b/src/com/android/settings/bluetooth/BluetoothDetailsController.java
index 63d7b5c..6ea49a6 100644
--- a/src/com/android/settings/bluetooth/BluetoothDetailsController.java
+++ b/src/com/android/settings/bluetooth/BluetoothDetailsController.java

@@ -17,8 +17,8 @@
 package com.android.settings.bluetooth;
 
 import android.content.Context;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.bluetooth.CachedBluetoothDevice;

diff --git a/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java b/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java
index ba7cf54..6a7d098 100644
--- a/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java
+++ b/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.graphics.drawable.Drawable;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.PreferenceScreen;
 import android.util.Pair;
 
 import com.android.internal.annotations.VisibleForTesting;

diff --git a/src/com/android/settings/bluetooth/BluetoothDetailsMacAddressController.java b/src/com/android/settings/bluetooth/BluetoothDetailsMacAddressController.java
index b976561..72effe4 100644
--- a/src/com/android/settings/bluetooth/BluetoothDetailsMacAddressController.java
+++ b/src/com/android/settings/bluetooth/BluetoothDetailsMacAddressController.java

@@ -17,8 +17,8 @@
 package com.android.settings.bluetooth;
 
 import android.content.Context;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settingslib.bluetooth.CachedBluetoothDevice;

diff --git a/src/com/android/settings/bluetooth/BluetoothDetailsProfilesController.java b/src/com/android/settings/bluetooth/BluetoothDetailsProfilesController.java
index b0ed056..2f0139e 100644
--- a/src/com/android/settings/bluetooth/BluetoothDetailsProfilesController.java
+++ b/src/com/android/settings/bluetooth/BluetoothDetailsProfilesController.java

@@ -19,12 +19,12 @@
 import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothProfile;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settingslib.bluetooth.A2dpProfile;

diff --git a/src/com/android/settings/bluetooth/BluetoothDeviceDetailsFragment.java b/src/com/android/settings/bluetooth/BluetoothDeviceDetailsFragment.java
index aa3b429..af65743 100644
--- a/src/com/android/settings/bluetooth/BluetoothDeviceDetailsFragment.java
+++ b/src/com/android/settings/bluetooth/BluetoothDeviceDetailsFragment.java

@@ -21,7 +21,7 @@
 import android.bluetooth.BluetoothDevice;
 import android.content.Context;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;

diff --git a/src/com/android/settings/bluetooth/BluetoothDeviceNamePreferenceController.java b/src/com/android/settings/bluetooth/BluetoothDeviceNamePreferenceController.java
index f2f220a..6ce07d3 100644
--- a/src/com/android/settings/bluetooth/BluetoothDeviceNamePreferenceController.java
+++ b/src/com/android/settings/bluetooth/BluetoothDeviceNamePreferenceController.java

@@ -21,9 +21,9 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.BidiFormatter;
 import android.text.TextUtils;
 import android.util.Log;

diff --git a/src/com/android/settings/bluetooth/BluetoothDevicePreference.java b/src/com/android/settings/bluetooth/BluetoothDevicePreference.java
index 3fd7ced..177e9c9 100644
--- a/src/com/android/settings/bluetooth/BluetoothDevicePreference.java
+++ b/src/com/android/settings/bluetooth/BluetoothDevicePreference.java

@@ -23,8 +23,8 @@
 import android.content.res.Resources;
 import android.graphics.drawable.Drawable;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.Html;
 import android.text.TextUtils;
 import android.util.Pair;

diff --git a/src/com/android/settings/bluetooth/BluetoothDeviceRenamePreferenceController.java b/src/com/android/settings/bluetooth/BluetoothDeviceRenamePreferenceController.java
index 262d6b3..21255fa 100644
--- a/src/com/android/settings/bluetooth/BluetoothDeviceRenamePreferenceController.java
+++ b/src/com/android/settings/bluetooth/BluetoothDeviceRenamePreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.app.Fragment;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.internal.logging.nano.MetricsProto;

diff --git a/src/com/android/settings/bluetooth/BluetoothDeviceUpdater.java b/src/com/android/settings/bluetooth/BluetoothDeviceUpdater.java
index 595d951..bcd3b3a 100644
--- a/src/com/android/settings/bluetooth/BluetoothDeviceUpdater.java
+++ b/src/com/android/settings/bluetooth/BluetoothDeviceUpdater.java

@@ -19,8 +19,8 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/bluetooth/BluetoothDiscoverableEnabler.java b/src/com/android/settings/bluetooth/BluetoothDiscoverableEnabler.java
index 534e5f9..189df3a 100755
--- a/src/com/android/settings/bluetooth/BluetoothDiscoverableEnabler.java
+++ b/src/com/android/settings/bluetooth/BluetoothDiscoverableEnabler.java

@@ -24,7 +24,7 @@
 import android.content.SharedPreferences;
 import android.os.Handler;
 import android.os.SystemProperties;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/bluetooth/BluetoothFilesPreferenceController.java b/src/com/android/settings/bluetooth/BluetoothFilesPreferenceController.java
index 6fbb84a..28101a1 100644
--- a/src/com/android/settings/bluetooth/BluetoothFilesPreferenceController.java
+++ b/src/com/android/settings/bluetooth/BluetoothFilesPreferenceController.java

@@ -19,8 +19,8 @@
 import android.content.pm.PackageManager;
 import android.content.Context;
 import android.content.Intent;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.core.BasePreferenceController;

diff --git a/src/com/android/settings/bluetooth/BluetoothPairingDetail.java b/src/com/android/settings/bluetooth/BluetoothPairingDetail.java
index b31d4c8..adee51e 100644
--- a/src/com/android/settings/bluetooth/BluetoothPairingDetail.java
+++ b/src/com/android/settings/bluetooth/BluetoothPairingDetail.java

@@ -22,7 +22,7 @@
 import android.bluetooth.BluetoothDevice;
 import android.content.Context;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;

diff --git a/src/com/android/settings/bluetooth/BluetoothPairingDialog.java b/src/com/android/settings/bluetooth/BluetoothPairingDialog.java
index 22cb3a6..f1960e8 100644
--- a/src/com/android/settings/bluetooth/BluetoothPairingDialog.java
+++ b/src/com/android/settings/bluetooth/BluetoothPairingDialog.java

@@ -24,7 +24,7 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 /**
  * BluetoothPairingDialog asks the user to enter a PIN / Passkey / simple confirmation

diff --git a/src/com/android/settings/bluetooth/BluetoothPairingPreferenceController.java b/src/com/android/settings/bluetooth/BluetoothPairingPreferenceController.java
index 2aaf401..3d8d038 100644
--- a/src/com/android/settings/bluetooth/BluetoothPairingPreferenceController.java
+++ b/src/com/android/settings/bluetooth/BluetoothPairingPreferenceController.java

@@ -17,7 +17,7 @@
 package com.android.settings.bluetooth;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/bluetooth/BluetoothPermissionActivity.java b/src/com/android/settings/bluetooth/BluetoothPermissionActivity.java
index 1ff1fce..21e8fb8 100644
--- a/src/com/android/settings/bluetooth/BluetoothPermissionActivity.java
+++ b/src/com/android/settings/bluetooth/BluetoothPermissionActivity.java

@@ -23,7 +23,7 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.Log;
 import android.view.View;
 import android.widget.Button;

diff --git a/src/com/android/settings/bluetooth/BluetoothSummaryUpdater.java b/src/com/android/settings/bluetooth/BluetoothSummaryUpdater.java
index 5724ab4..62fc4ef 100644
--- a/src/com/android/settings/bluetooth/BluetoothSummaryUpdater.java
+++ b/src/com/android/settings/bluetooth/BluetoothSummaryUpdater.java

@@ -19,7 +19,7 @@
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/bluetooth/ConnectedBluetoothDeviceUpdater.java b/src/com/android/settings/bluetooth/ConnectedBluetoothDeviceUpdater.java
index 55f4bb1..588f23d 100644
--- a/src/com/android/settings/bluetooth/ConnectedBluetoothDeviceUpdater.java
+++ b/src/com/android/settings/bluetooth/ConnectedBluetoothDeviceUpdater.java

@@ -19,7 +19,7 @@
 import android.bluetooth.BluetoothProfile;
 import android.content.Context;
 import android.media.AudioManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 import com.android.settings.connecteddevice.DevicePreferenceCallback;
 import com.android.settings.dashboard.DashboardFragment;

diff --git a/src/com/android/settings/bluetooth/DeviceListPreferenceFragment.java b/src/com/android/settings/bluetooth/DeviceListPreferenceFragment.java
index 904d737..688fd27 100644
--- a/src/com/android/settings/bluetooth/DeviceListPreferenceFragment.java
+++ b/src/com/android/settings/bluetooth/DeviceListPreferenceFragment.java

@@ -20,10 +20,10 @@
 import android.bluetooth.BluetoothDevice;
 import android.os.Bundle;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceGroup;
 import android.text.BidiFormatter;
 import android.util.Log;
 

diff --git a/src/com/android/settings/bluetooth/DevicePickerFragment.java b/src/com/android/settings/bluetooth/DevicePickerFragment.java
index 07cda3d..3a68653 100644
--- a/src/com/android/settings/bluetooth/DevicePickerFragment.java
+++ b/src/com/android/settings/bluetooth/DevicePickerFragment.java

@@ -25,7 +25,7 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.view.Menu;
 import android.view.MenuInflater;
 

diff --git a/src/com/android/settings/bluetooth/DeviceProfilesSettings.java b/src/com/android/settings/bluetooth/DeviceProfilesSettings.java
index d13a85f..d6cdb23 100644
--- a/src/com/android/settings/bluetooth/DeviceProfilesSettings.java
+++ b/src/com/android/settings/bluetooth/DeviceProfilesSettings.java

@@ -23,7 +23,7 @@
 import android.content.Context;
 import android.content.DialogInterface;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.Html;
 import android.text.TextUtils;
 import android.util.Log;

diff --git a/src/com/android/settings/bluetooth/RequestPermissionHelperActivity.java b/src/com/android/settings/bluetooth/RequestPermissionHelperActivity.java
index 9ea8372..3ba3844 100644
--- a/src/com/android/settings/bluetooth/RequestPermissionHelperActivity.java
+++ b/src/com/android/settings/bluetooth/RequestPermissionHelperActivity.java

@@ -25,7 +25,7 @@
 import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.os.UserManager;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.text.TextUtils;
 import android.util.Log;
 

diff --git a/src/com/android/settings/bluetooth/SavedBluetoothDeviceUpdater.java b/src/com/android/settings/bluetooth/SavedBluetoothDeviceUpdater.java
index c25a43b..9836d29 100644
--- a/src/com/android/settings/bluetooth/SavedBluetoothDeviceUpdater.java
+++ b/src/com/android/settings/bluetooth/SavedBluetoothDeviceUpdater.java

@@ -18,7 +18,7 @@
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.connecteddevice.DevicePreferenceCallback;
 import com.android.settings.dashboard.DashboardFragment;

diff --git a/src/com/android/settings/bluetooth/Utf8ByteLengthFilter.java b/src/com/android/settings/bluetooth/Utf8ByteLengthFilter.java
index 536f4cc..f21e678 100644
--- a/src/com/android/settings/bluetooth/Utf8ByteLengthFilter.java
+++ b/src/com/android/settings/bluetooth/Utf8ByteLengthFilter.java

@@ -16,7 +16,7 @@
 
 package com.android.settings.bluetooth;
 
-import android.support.annotation.Keep;
+import androidx.annotation.Keep;
 import android.text.InputFilter;
 import android.text.Spanned;
 

diff --git a/src/com/android/settings/bluetooth/Utils.java b/src/com/android/settings/bluetooth/Utils.java
index f5377f5..daaac31 100755
--- a/src/com/android/settings/bluetooth/Utils.java
+++ b/src/com/android/settings/bluetooth/Utils.java

@@ -22,7 +22,7 @@
 import android.content.Context;
 import android.content.DialogInterface;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.widget.Toast;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;

diff --git a/src/com/android/settings/connecteddevice/AddDevicePreferenceController.java b/src/com/android/settings/connecteddevice/AddDevicePreferenceController.java
index 2de271c..dec8129 100644
--- a/src/com/android/settings/connecteddevice/AddDevicePreferenceController.java
+++ b/src/com/android/settings/connecteddevice/AddDevicePreferenceController.java

@@ -21,8 +21,8 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.pm.PackageManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.R;
@@ -31,7 +31,7 @@
 import com.android.settingslib.core.lifecycle.events.OnStop;
 
 /**
- * Controller to maintain the {@link android.support.v7.preference.Preference} for add
+ * Controller to maintain the {@link androidx.preference.Preference} for add
  * device. It monitor Bluetooth's status(on/off) and decide if need to show summary or not.
  */
 public class AddDevicePreferenceController extends BasePreferenceController

diff --git a/src/com/android/settings/connecteddevice/AvailableMediaDeviceGroupController.java b/src/com/android/settings/connecteddevice/AvailableMediaDeviceGroupController.java
index fd14d47..9c15282 100644
--- a/src/com/android/settings/connecteddevice/AvailableMediaDeviceGroupController.java
+++ b/src/com/android/settings/connecteddevice/AvailableMediaDeviceGroupController.java

@@ -17,10 +17,10 @@
 
 import android.content.Context;
 import android.content.pm.PackageManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 import com.android.settings.bluetooth.AvailableMediaBluetoothDeviceUpdater;
 import com.android.settings.bluetooth.BluetoothDeviceUpdater;
 import com.android.settings.core.BasePreferenceController;
@@ -30,7 +30,7 @@
 import com.android.settingslib.core.lifecycle.events.OnStop;
 
 /**
- * Controller to maintain the {@link android.support.v7.preference.PreferenceGroup} for all
+ * Controller to maintain the {@link androidx.preference.PreferenceGroup} for all
  * available media devices. It uses {@link DevicePreferenceCallback}
  * to add/remove {@link Preference}
  */

diff --git a/src/com/android/settings/connecteddevice/BluetoothDashboardFragment.java b/src/com/android/settings/connecteddevice/BluetoothDashboardFragment.java
index d56f1c2..578900c 100644
--- a/src/com/android/settings/connecteddevice/BluetoothDashboardFragment.java
+++ b/src/com/android/settings/connecteddevice/BluetoothDashboardFragment.java

@@ -19,7 +19,7 @@
 import android.bluetooth.BluetoothManager;
 import android.content.Context;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;

diff --git a/src/com/android/settings/connecteddevice/ConnectedDeviceDashboardFragment.java b/src/com/android/settings/connecteddevice/ConnectedDeviceDashboardFragment.java
index b2ee023..32a51f5 100644
--- a/src/com/android/settings/connecteddevice/ConnectedDeviceDashboardFragment.java
+++ b/src/com/android/settings/connecteddevice/ConnectedDeviceDashboardFragment.java

@@ -18,7 +18,7 @@
 import android.app.Activity;
 import android.content.Context;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;

diff --git a/src/com/android/settings/connecteddevice/ConnectedDeviceGroupController.java b/src/com/android/settings/connecteddevice/ConnectedDeviceGroupController.java
index 3a1aa05..984b791 100644
--- a/src/com/android/settings/connecteddevice/ConnectedDeviceGroupController.java
+++ b/src/com/android/settings/connecteddevice/ConnectedDeviceGroupController.java

@@ -17,10 +17,10 @@
 
 import android.content.pm.PackageManager;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.connecteddevice.usb.ConnectedUsbDeviceUpdater;
 import com.android.settings.core.BasePreferenceController;
@@ -34,7 +34,7 @@
 import com.android.settingslib.core.lifecycle.events.OnStop;
 
 /**
- * Controller to maintain the {@link android.support.v7.preference.PreferenceGroup} for all
+ * Controller to maintain the {@link androidx.preference.PreferenceGroup} for all
  * connected devices. It uses {@link DevicePreferenceCallback} to add/remove {@link Preference}
  */
 public class ConnectedDeviceGroupController extends BasePreferenceController

diff --git a/src/com/android/settings/connecteddevice/DevicePreferenceCallback.java b/src/com/android/settings/connecteddevice/DevicePreferenceCallback.java
index 5f04700..7ee2063 100644
--- a/src/com/android/settings/connecteddevice/DevicePreferenceCallback.java
+++ b/src/com/android/settings/connecteddevice/DevicePreferenceCallback.java

@@ -16,7 +16,7 @@
 
 package com.android.settings.connecteddevice;
 
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 /**
  * Callback to add or remove {@link Preference} in device group.

diff --git a/src/com/android/settings/connecteddevice/SavedDeviceGroupController.java b/src/com/android/settings/connecteddevice/SavedDeviceGroupController.java
index b1f8360..99c70c9 100644
--- a/src/com/android/settings/connecteddevice/SavedDeviceGroupController.java
+++ b/src/com/android/settings/connecteddevice/SavedDeviceGroupController.java

@@ -17,10 +17,10 @@
 
 import android.content.pm.PackageManager;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.bluetooth.BluetoothDeviceUpdater;
 import com.android.settings.bluetooth.SavedBluetoothDeviceUpdater;

diff --git a/src/com/android/settings/connecteddevice/usb/ConnectedUsbDeviceUpdater.java b/src/com/android/settings/connecteddevice/usb/ConnectedUsbDeviceUpdater.java
index 451faba..cf24d8c 100644
--- a/src/com/android/settings/connecteddevice/usb/ConnectedUsbDeviceUpdater.java
+++ b/src/com/android/settings/connecteddevice/usb/ConnectedUsbDeviceUpdater.java

@@ -18,8 +18,8 @@
 import android.content.Context;
 import android.hardware.usb.UsbManager;
 import android.hardware.usb.UsbPort;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.connecteddevice.DevicePreferenceCallback;

diff --git a/src/com/android/settings/connecteddevice/usb/UsbBackend.java b/src/com/android/settings/connecteddevice/usb/UsbBackend.java
index 54811c8..e030757 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbBackend.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbBackend.java

@@ -24,7 +24,7 @@
 import android.net.ConnectivityManager;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 /**
  * Provides access to underlying system USB functionality.

diff --git a/src/com/android/settings/connecteddevice/usb/UsbDetailsController.java b/src/com/android/settings/connecteddevice/usb/UsbDetailsController.java
index d77fe06..cb54216 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbDetailsController.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbDetailsController.java

@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.os.Handler;
-import android.support.annotation.UiThread;
+import androidx.annotation.UiThread;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/connecteddevice/usb/UsbDetailsDataRoleController.java b/src/com/android/settings/connecteddevice/usb/UsbDetailsDataRoleController.java
index 93ff19e..2e336e4 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbDetailsDataRoleController.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbDetailsDataRoleController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.hardware.usb.UsbPort;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.Utils;

diff --git a/src/com/android/settings/connecteddevice/usb/UsbDetailsFragment.java b/src/com/android/settings/connecteddevice/usb/UsbDetailsFragment.java
index 044d4a8..d7b7444 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbDetailsFragment.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbDetailsFragment.java

@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;

diff --git a/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsController.java b/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsController.java
index 47545ca..8ae334c 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsController.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbDetailsFunctionsController.java

@@ -19,8 +19,8 @@
 import android.content.Context;
 import android.hardware.usb.UsbManager;
 import android.hardware.usb.UsbPort;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.Utils;

diff --git a/src/com/android/settings/connecteddevice/usb/UsbDetailsHeaderController.java b/src/com/android/settings/connecteddevice/usb/UsbDetailsHeaderController.java
index 8adffe7..c569e1f 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbDetailsHeaderController.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbDetailsHeaderController.java

@@ -17,7 +17,7 @@
 package com.android.settings.connecteddevice.usb;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.applications.LayoutPreference;

diff --git a/src/com/android/settings/connecteddevice/usb/UsbDetailsPowerRoleController.java b/src/com/android/settings/connecteddevice/usb/UsbDetailsPowerRoleController.java
index 77a7eb4..ae21601 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbDetailsPowerRoleController.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbDetailsPowerRoleController.java

@@ -18,11 +18,11 @@
 
 import android.content.Context;
 import android.hardware.usb.UsbPort;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.Utils;

diff --git a/src/com/android/settings/core/BasePreferenceController.java b/src/com/android/settings/core/BasePreferenceController.java
index 44305dd..b8bdcdf 100644
--- a/src/com/android/settings/core/BasePreferenceController.java
+++ b/src/com/android/settings/core/BasePreferenceController.java

@@ -29,9 +29,9 @@
 import java.lang.reflect.InvocationTargetException;
 import java.util.List;
 
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 
 /**
  * Abstract class to consolidate utility between preference controllers and act as an interface

diff --git a/src/com/android/settings/core/InstrumentedPreferenceFragment.java b/src/com/android/settings/core/InstrumentedPreferenceFragment.java
index 278676c..3a3c3d9 100644
--- a/src/com/android/settings/core/InstrumentedPreferenceFragment.java
+++ b/src/com/android/settings/core/InstrumentedPreferenceFragment.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.annotation.XmlRes;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.XmlRes;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.Log;
 

diff --git a/src/com/android/settings/core/PreferenceXmlParserUtils.java b/src/com/android/settings/core/PreferenceXmlParserUtils.java
index 8620dce..3864f88 100644
--- a/src/com/android/settings/core/PreferenceXmlParserUtils.java
+++ b/src/com/android/settings/core/PreferenceXmlParserUtils.java

@@ -23,8 +23,8 @@
 import android.content.res.TypedArray;
 import android.content.res.XmlResourceParser;
 import android.os.Bundle;
-import android.support.annotation.IntDef;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.IntDef;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.Log;

diff --git a/src/com/android/settings/core/SliderPreferenceController.java b/src/com/android/settings/core/SliderPreferenceController.java
index 0baa868..a574933 100644
--- a/src/com/android/settings/core/SliderPreferenceController.java
+++ b/src/com/android/settings/core/SliderPreferenceController.java

@@ -15,8 +15,8 @@
 package com.android.settings.core;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.SeekBarPreference;
+import androidx.preference.Preference;
+import androidx.preference.SeekBarPreference;
 
 import com.android.settings.slices.SliceData;
 

diff --git a/src/com/android/settings/core/SubSettingLauncher.java b/src/com/android/settings/core/SubSettingLauncher.java
index 91bd452..88fbb701 100644
--- a/src/com/android/settings/core/SubSettingLauncher.java
+++ b/src/com/android/settings/core/SubSettingLauncher.java

@@ -22,7 +22,7 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 
 import com.android.settings.SettingsActivity;

diff --git a/src/com/android/settings/core/TogglePreferenceController.java b/src/com/android/settings/core/TogglePreferenceController.java
index 16cb18b..b18f524 100644
--- a/src/com/android/settings/core/TogglePreferenceController.java
+++ b/src/com/android/settings/core/TogglePreferenceController.java

@@ -14,8 +14,8 @@
 package com.android.settings.core;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.TwoStatePreference;
 
 import com.android.settings.slices.SliceData;
 import com.android.settings.widget.MasterSwitchPreference;

diff --git a/src/com/android/settings/dashboard/DashboardAdapter.java b/src/com/android/settings/dashboard/DashboardAdapter.java
index 52ca127..27b4525 100644
--- a/src/com/android/settings/dashboard/DashboardAdapter.java
+++ b/src/com/android/settings/dashboard/DashboardAdapter.java

@@ -21,10 +21,10 @@
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.service.settings.suggestions.Suggestion;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.util.DiffUtil;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.VisibleForTesting;
+import androidx.recyclerview.widget.DiffUtil;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.LayoutInflater;

diff --git a/src/com/android/settings/dashboard/DashboardData.java b/src/com/android/settings/dashboard/DashboardData.java
index b180dd7..2ef4abe 100644
--- a/src/com/android/settings/dashboard/DashboardData.java
+++ b/src/com/android/settings/dashboard/DashboardData.java

@@ -18,8 +18,8 @@
 import android.annotation.IntDef;
 import android.graphics.drawable.Drawable;
 import android.service.settings.suggestions.Suggestion;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.util.DiffUtil;
+import androidx.annotation.VisibleForTesting;
+import androidx.recyclerview.widget.DiffUtil;
 import android.text.TextUtils;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/dashboard/DashboardFeatureProvider.java b/src/com/android/settings/dashboard/DashboardFeatureProvider.java
index 6c3f9cd..b1f66ae 100644
--- a/src/com/android/settings/dashboard/DashboardFeatureProvider.java
+++ b/src/com/android/settings/dashboard/DashboardFeatureProvider.java

@@ -17,7 +17,7 @@
 
 import android.app.Activity;
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settingslib.drawer.DashboardCategory;
 import com.android.settingslib.drawer.Tile;

diff --git a/src/com/android/settings/dashboard/DashboardFeatureProviderImpl.java b/src/com/android/settings/dashboard/DashboardFeatureProviderImpl.java
index 82a5b9b..165ed37 100644
--- a/src/com/android/settings/dashboard/DashboardFeatureProviderImpl.java
+++ b/src/com/android/settings/dashboard/DashboardFeatureProviderImpl.java

@@ -29,8 +29,8 @@
 import android.graphics.drawable.Icon;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.Log;

diff --git a/src/com/android/settings/dashboard/DashboardFragment.java b/src/com/android/settings/dashboard/DashboardFragment.java
index 90c781b..bef66c3 100644
--- a/src/com/android/settings/dashboard/DashboardFragment.java
+++ b/src/com/android/settings/dashboard/DashboardFragment.java

@@ -19,10 +19,10 @@
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.ArraySet;

diff --git a/src/com/android/settings/dashboard/DashboardItemAnimator.java b/src/com/android/settings/dashboard/DashboardItemAnimator.java
index 88e69e5..73224ab 100644
--- a/src/com/android/settings/dashboard/DashboardItemAnimator.java
+++ b/src/com/android/settings/dashboard/DashboardItemAnimator.java

@@ -15,9 +15,9 @@
  */
 package com.android.settings.dashboard;
 
-import android.support.v4.view.ViewCompat;
-import android.support.v7.widget.DefaultItemAnimator;
-import android.support.v7.widget.RecyclerView.ViewHolder;
+import androidx.core.view.ViewCompat;
+import androidx.recyclerview.widget.DefaultItemAnimator;
+import androidx.recyclerview.widget.RecyclerView.ViewHolder;
 import com.android.settingslib.drawer.Tile;
 
 public class DashboardItemAnimator extends DefaultItemAnimator {

diff --git a/src/com/android/settings/dashboard/DashboardSummary.java b/src/com/android/settings/dashboard/DashboardSummary.java
index af7c900..8e6db9f 100644
--- a/src/com/android/settings/dashboard/DashboardSummary.java
+++ b/src/com/android/settings/dashboard/DashboardSummary.java

@@ -22,9 +22,9 @@
 import android.os.Bundle;
 import android.os.Handler;
 import android.service.settings.suggestions.Suggestion;
-import android.support.annotation.VisibleForTesting;
-import android.support.annotation.WorkerThread;
-import android.support.v7.widget.LinearLayoutManager;
+import androidx.annotation.VisibleForTesting;
+import androidx.annotation.WorkerThread;
+import androidx.recyclerview.widget.LinearLayoutManager;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;

diff --git a/src/com/android/settings/dashboard/DashboardTilePlaceholderPreferenceController.java b/src/com/android/settings/dashboard/DashboardTilePlaceholderPreferenceController.java
index 97a5c35..7b53275 100644
--- a/src/com/android/settings/dashboard/DashboardTilePlaceholderPreferenceController.java
+++ b/src/com/android/settings/dashboard/DashboardTilePlaceholderPreferenceController.java

@@ -17,8 +17,8 @@
 package com.android.settings.dashboard;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;

diff --git a/src/com/android/settings/dashboard/RoundedHomepageIcon.java b/src/com/android/settings/dashboard/RoundedHomepageIcon.java
index d63b80a..77acaf3 100644
--- a/src/com/android/settings/dashboard/RoundedHomepageIcon.java
+++ b/src/com/android/settings/dashboard/RoundedHomepageIcon.java

@@ -16,13 +16,13 @@
 
 package com.android.settings.dashboard;
 
-import static android.support.annotation.VisibleForTesting.NONE;
+import static androidx.annotation.VisibleForTesting.NONE;
 
 import android.content.Context;
 import android.graphics.PorterDuff;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.LayerDrawable;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.R;
 

diff --git a/src/com/android/settings/dashboard/SummaryLoader.java b/src/com/android/settings/dashboard/SummaryLoader.java
index c91882d..a971131 100644
--- a/src/com/android/settings/dashboard/SummaryLoader.java
+++ b/src/com/android/settings/dashboard/SummaryLoader.java

@@ -25,7 +25,7 @@
 import android.os.Looper;
 import android.os.Message;
 import android.os.Process;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.ArraySet;

diff --git a/src/com/android/settings/dashboard/conditional/Condition.java b/src/com/android/settings/dashboard/conditional/Condition.java
index f2905b9..f3a3b9c 100644
--- a/src/com/android/settings/dashboard/conditional/Condition.java
+++ b/src/com/android/settings/dashboard/conditional/Condition.java

@@ -21,7 +21,7 @@
 import android.content.IntentFilter;
 import android.graphics.drawable.Drawable;
 import android.os.PersistableBundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.overlay.FeatureFactory;

diff --git a/src/com/android/settings/dashboard/conditional/ConditionAdapter.java b/src/com/android/settings/dashboard/conditional/ConditionAdapter.java
index a656cc7..923f124 100644
--- a/src/com/android/settings/dashboard/conditional/ConditionAdapter.java
+++ b/src/com/android/settings/dashboard/conditional/ConditionAdapter.java

@@ -16,9 +16,9 @@
 package com.android.settings.dashboard.conditional;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.widget.RecyclerView;
-import android.support.v7.widget.helper.ItemTouchHelper;
+import androidx.annotation.VisibleForTesting;
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.recyclerview.widget.ItemTouchHelper;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;

diff --git a/src/com/android/settings/dashboard/conditional/DndCondition.java b/src/com/android/settings/dashboard/conditional/DndCondition.java
index 4acd332..5cd253c 100644
--- a/src/com/android/settings/dashboard/conditional/DndCondition.java
+++ b/src/com/android/settings/dashboard/conditional/DndCondition.java

@@ -25,7 +25,7 @@
 import android.provider.Settings;
 import android.provider.Settings.Global;
 import android.service.notification.ZenModeConfig;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;

diff --git a/src/com/android/settings/dashboard/conditional/FocusRecyclerView.java b/src/com/android/settings/dashboard/conditional/FocusRecyclerView.java
index af51ed5..fc44d0d 100644
--- a/src/com/android/settings/dashboard/conditional/FocusRecyclerView.java
+++ b/src/com/android/settings/dashboard/conditional/FocusRecyclerView.java

@@ -16,8 +16,8 @@
 package com.android.settings.dashboard.conditional;
 
 import android.content.Context;
-import android.support.annotation.Nullable;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.Nullable;
+import androidx.recyclerview.widget.RecyclerView;
 import android.util.AttributeSet;
 
 /**

diff --git a/src/com/android/settings/dashboard/suggestions/SuggestionAdapter.java b/src/com/android/settings/dashboard/suggestions/SuggestionAdapter.java
index 9c82eed..4a3bc33 100644
--- a/src/com/android/settings/dashboard/suggestions/SuggestionAdapter.java
+++ b/src/com/android/settings/dashboard/suggestions/SuggestionAdapter.java

@@ -23,8 +23,8 @@
 import android.graphics.drawable.Icon;
 import android.os.Bundle;
 import android.service.settings.suggestions.Suggestion;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.VisibleForTesting;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.TextUtils;
 import android.util.DisplayMetrics;
 import android.util.Log;

diff --git a/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProvider.java b/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProvider.java
index f913085..ef3513c 100644
--- a/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProvider.java
+++ b/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProvider.java

@@ -20,7 +20,7 @@
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.service.settings.suggestions.Suggestion;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.util.Pair;
 
 import com.android.settingslib.drawer.Tile;

diff --git a/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProviderImpl.java b/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProviderImpl.java
index d0c0b25..a9c7713 100644
--- a/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProviderImpl.java
+++ b/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProviderImpl.java

@@ -21,8 +21,8 @@
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.service.settings.suggestions.Suggestion;
-import android.support.annotation.NonNull;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.NonNull;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 import android.util.Pair;
 

diff --git a/src/com/android/settings/dashboard/suggestions/SuggestionStateProvider.java b/src/com/android/settings/dashboard/suggestions/SuggestionStateProvider.java
index 86011ec..1474f83 100644
--- a/src/com/android/settings/dashboard/suggestions/SuggestionStateProvider.java
+++ b/src/com/android/settings/dashboard/suggestions/SuggestionStateProvider.java

@@ -25,7 +25,7 @@
 import android.database.Cursor;
 import android.net.Uri;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.settings.overlay.FeatureFactory;

diff --git a/src/com/android/settings/datausage/AppDataUsage.java b/src/com/android/settings/datausage/AppDataUsage.java
index 760692f..79adfda 100644
--- a/src/com/android/settings/datausage/AppDataUsage.java
+++ b/src/com/android/settings/datausage/AppDataUsage.java

@@ -32,9 +32,9 @@
 import android.os.Bundle;
 import android.os.RemoteException;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
 import android.util.ArraySet;
 import android.util.IconDrawableFactory;
 import android.util.Log;

diff --git a/src/com/android/settings/datausage/AppDataUsagePreference.java b/src/com/android/settings/datausage/AppDataUsagePreference.java
index e34aaee..7595eb5 100644
--- a/src/com/android/settings/datausage/AppDataUsagePreference.java
+++ b/src/com/android/settings/datausage/AppDataUsagePreference.java

@@ -15,7 +15,7 @@
 package com.android.settings.datausage;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.view.View;
 import android.widget.ProgressBar;
 

diff --git a/src/com/android/settings/datausage/AppPrefLoader.java b/src/com/android/settings/datausage/AppPrefLoader.java
index b684813..690ac2d 100644
--- a/src/com/android/settings/datausage/AppPrefLoader.java
+++ b/src/com/android/settings/datausage/AppPrefLoader.java

@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.ArraySet;
 import com.android.settingslib.utils.AsyncLoader;
 

diff --git a/src/com/android/settings/datausage/BillingCyclePreference.java b/src/com/android/settings/datausage/BillingCyclePreference.java
index 7e302c4..5dd4669 100644
--- a/src/com/android/settings/datausage/BillingCyclePreference.java
+++ b/src/com/android/settings/datausage/BillingCyclePreference.java

@@ -21,7 +21,7 @@
 import android.net.NetworkTemplate;
 import android.os.Bundle;
 import android.os.RemoteException;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.AttributeSet;
 import android.util.FeatureFlagUtils;
 

diff --git a/src/com/android/settings/datausage/BillingCycleSettings.java b/src/com/android/settings/datausage/BillingCycleSettings.java
index c0bf16a..5cdf22a 100644
--- a/src/com/android/settings/datausage/BillingCycleSettings.java
+++ b/src/com/android/settings/datausage/BillingCycleSettings.java

@@ -27,8 +27,8 @@
 import android.net.NetworkPolicy;
 import android.net.NetworkTemplate;
 import android.os.Bundle;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.text.format.Time;
 import android.util.FeatureFlagUtils;
 import android.util.Log;

diff --git a/src/com/android/settings/datausage/CellDataPreference.java b/src/com/android/settings/datausage/CellDataPreference.java
index b93fe66..fb97cd8 100644
--- a/src/com/android/settings/datausage/CellDataPreference.java
+++ b/src/com/android/settings/datausage/CellDataPreference.java

@@ -25,9 +25,9 @@
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.provider.Settings.Global;
-import android.support.annotation.VisibleForTesting;
-import android.support.v4.content.res.TypedArrayUtils;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.VisibleForTesting;
+import androidx.core.content.res.TypedArrayUtils;
+import androidx.preference.PreferenceViewHolder;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
@@ -57,7 +57,7 @@
 
     public CellDataPreference(Context context, AttributeSet attrs) {
         super(context, attrs, TypedArrayUtils.getAttr(context,
-                android.support.v7.preference.R.attr.switchPreferenceStyle,
+                androidx.preference.R.attr.switchPreferenceStyle,
                 android.R.attr.switchPreferenceStyle));
     }
 

diff --git a/src/com/android/settings/datausage/ChartDataUsagePreference.java b/src/com/android/settings/datausage/ChartDataUsagePreference.java
index 6773a0f..d02aa88 100644
--- a/src/com/android/settings/datausage/ChartDataUsagePreference.java
+++ b/src/com/android/settings/datausage/ChartDataUsagePreference.java

@@ -18,9 +18,9 @@
 import android.net.NetworkPolicy;
 import android.net.NetworkStatsHistory;
 import android.net.TrafficStats;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.SpannableStringBuilder;
 import android.text.TextUtils;
 import android.text.format.Formatter;

diff --git a/src/com/android/settings/datausage/DataSaverPreference.java b/src/com/android/settings/datausage/DataSaverPreference.java
index f1f648a..3e29896 100644
--- a/src/com/android/settings/datausage/DataSaverPreference.java
+++ b/src/com/android/settings/datausage/DataSaverPreference.java

@@ -15,7 +15,7 @@
 package com.android.settings.datausage;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.AttributeSet;
 import com.android.settings.R;
 

diff --git a/src/com/android/settings/datausage/DataSaverSummary.java b/src/com/android/settings/datausage/DataSaverSummary.java
index a3fc98d..47887b3 100644
--- a/src/com/android/settings/datausage/DataSaverSummary.java
+++ b/src/com/android/settings/datausage/DataSaverSummary.java

@@ -16,7 +16,7 @@
 
 import android.app.Application;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.widget.Switch;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;

diff --git a/src/com/android/settings/datausage/DataUsageList.java b/src/com/android/settings/datausage/DataUsageList.java
index 8c77198..2ab75ee 100644
--- a/src/com/android/settings/datausage/DataUsageList.java
+++ b/src/com/android/settings/datausage/DataUsageList.java

@@ -41,9 +41,9 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;

diff --git a/src/com/android/settings/datausage/DataUsagePreference.java b/src/com/android/settings/datausage/DataUsagePreference.java
index 9d0b104..9e6684c 100644
--- a/src/com/android/settings/datausage/DataUsagePreference.java
+++ b/src/com/android/settings/datausage/DataUsagePreference.java

@@ -19,8 +19,8 @@
 import android.content.res.TypedArray;
 import android.net.NetworkTemplate;
 import android.os.Bundle;
-import android.support.v4.content.res.TypedArrayUtils;
-import android.support.v7.preference.Preference;
+import androidx.core.content.res.TypedArrayUtils;
+import androidx.preference.Preference;
 import android.util.AttributeSet;
 import android.util.FeatureFlagUtils;
 
@@ -41,7 +41,7 @@
         final TypedArray a = context.obtainStyledAttributes(
                 attrs, new int[] {com.android.internal.R.attr.title},
                 TypedArrayUtils.getAttr(
-                        context, android.support.v7.preference.R.attr.preferenceStyle,
+                        context, androidx.preference.R.attr.preferenceStyle,
                         android.R.attr.preferenceStyle), 0);
         mTitleRes = a.getResourceId(0, 0);
         a.recycle();

diff --git a/src/com/android/settings/datausage/DataUsageSummary.java b/src/com/android/settings/datausage/DataUsageSummary.java
index bfde89e..1b012f1 100644
--- a/src/com/android/settings/datausage/DataUsageSummary.java
+++ b/src/com/android/settings/datausage/DataUsageSummary.java

@@ -21,9 +21,9 @@
 import android.net.NetworkTemplate;
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.SubscriptionPlan;

diff --git a/src/com/android/settings/datausage/DataUsageSummaryLegacy.java b/src/com/android/settings/datausage/DataUsageSummaryLegacy.java
index 7e8ee88..5c19afb 100644
--- a/src/com/android/settings/datausage/DataUsageSummaryLegacy.java
+++ b/src/com/android/settings/datausage/DataUsageSummaryLegacy.java

@@ -23,9 +23,9 @@
 import android.os.Bundle;
 import android.os.UserManager;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.text.BidiFormatter;

diff --git a/src/com/android/settings/datausage/DataUsageSummaryPreference.java b/src/com/android/settings/datausage/DataUsageSummaryPreference.java
index 79be5ab..7b2abca 100644
--- a/src/com/android/settings/datausage/DataUsageSummaryPreference.java
+++ b/src/com/android/settings/datausage/DataUsageSummaryPreference.java

@@ -22,8 +22,8 @@
 import android.graphics.Typeface;
 import android.net.NetworkTemplate;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.Spannable;
 import android.text.SpannableString;
 import android.text.TextUtils;

diff --git a/src/com/android/settings/datausage/DataUsageSummaryPreferenceController.java b/src/com/android/settings/datausage/DataUsageSummaryPreferenceController.java
index 14b9717..9e2d694 100644
--- a/src/com/android/settings/datausage/DataUsageSummaryPreferenceController.java
+++ b/src/com/android/settings/datausage/DataUsageSummaryPreferenceController.java

@@ -21,9 +21,9 @@
 import android.content.Intent;
 import android.net.NetworkPolicyManager;
 import android.net.NetworkTemplate;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.recyclerview.widget.RecyclerView;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.SubscriptionPlan;

diff --git a/src/com/android/settings/datausage/NetworkRestrictionsPreference.java b/src/com/android/settings/datausage/NetworkRestrictionsPreference.java
index e2e9d1e..e4c6bed 100644
--- a/src/com/android/settings/datausage/NetworkRestrictionsPreference.java
+++ b/src/com/android/settings/datausage/NetworkRestrictionsPreference.java

@@ -16,7 +16,7 @@
 
 import android.content.Context;
 import android.net.NetworkTemplate;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.AttributeSet;
 
 public class NetworkRestrictionsPreference extends Preference implements TemplatePreference {

diff --git a/src/com/android/settings/datausage/SpinnerPreference.java b/src/com/android/settings/datausage/SpinnerPreference.java
index 8372883..c0355b1 100644
--- a/src/com/android/settings/datausage/SpinnerPreference.java
+++ b/src/com/android/settings/datausage/SpinnerPreference.java

@@ -15,8 +15,8 @@
 package com.android.settings.datausage;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.AdapterView;

diff --git a/src/com/android/settings/datausage/TemplatePreferenceCategory.java b/src/com/android/settings/datausage/TemplatePreferenceCategory.java
index 0be5c73..814a259 100644
--- a/src/com/android/settings/datausage/TemplatePreferenceCategory.java
+++ b/src/com/android/settings/datausage/TemplatePreferenceCategory.java

@@ -16,8 +16,8 @@
 
 import android.content.Context;
 import android.net.NetworkTemplate;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
 import android.util.AttributeSet;
 
 public class TemplatePreferenceCategory extends PreferenceCategory implements TemplatePreference {

diff --git a/src/com/android/settings/datausage/UnrestrictedDataAccess.java b/src/com/android/settings/datausage/UnrestrictedDataAccess.java
index 83ff755..7aa716c 100644
--- a/src/com/android/settings/datausage/UnrestrictedDataAccess.java
+++ b/src/com/android/settings/datausage/UnrestrictedDataAccess.java

@@ -20,8 +20,8 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;

diff --git a/src/com/android/settings/datetime/AutoTimeFormatPreferenceController.java b/src/com/android/settings/datetime/AutoTimeFormatPreferenceController.java
index 15b7402..42ea41a 100644
--- a/src/com/android/settings/datetime/AutoTimeFormatPreferenceController.java
+++ b/src/com/android/settings/datetime/AutoTimeFormatPreferenceController.java

@@ -19,9 +19,9 @@
 import android.content.Context;
 import android.provider.Settings;
 import android.provider.Settings.System;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.TwoStatePreference;
 import android.text.TextUtils;
 import android.text.format.DateFormat;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/datetime/AutoTimePreferenceController.java b/src/com/android/settings/datetime/AutoTimePreferenceController.java
index 3da712a..22c01ec 100644
--- a/src/com/android/settings/datetime/AutoTimePreferenceController.java
+++ b/src/com/android/settings/datetime/AutoTimePreferenceController.java

@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.RestrictedLockUtils;

diff --git a/src/com/android/settings/datetime/AutoTimeZonePreferenceController.java b/src/com/android/settings/datetime/AutoTimeZonePreferenceController.java
index d4bd59b..f9a4821 100644
--- a/src/com/android/settings/datetime/AutoTimeZonePreferenceController.java
+++ b/src/com/android/settings/datetime/AutoTimeZonePreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.Utils;

diff --git a/src/com/android/settings/datetime/DatePreferenceController.java b/src/com/android/settings/datetime/DatePreferenceController.java
index d2a8686..856722c 100644
--- a/src/com/android/settings/datetime/DatePreferenceController.java
+++ b/src/com/android/settings/datetime/DatePreferenceController.java

@@ -20,8 +20,8 @@
 import android.app.AlarmManager;
 import android.app.DatePickerDialog;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.text.format.DateFormat;
 import android.widget.DatePicker;

diff --git a/src/com/android/settings/datetime/TimeFormatPreferenceController.java b/src/com/android/settings/datetime/TimeFormatPreferenceController.java
index 302c624..2be6b80 100644
--- a/src/com/android/settings/datetime/TimeFormatPreferenceController.java
+++ b/src/com/android/settings/datetime/TimeFormatPreferenceController.java

@@ -19,9 +19,9 @@
 import android.content.Context;
 import android.content.Intent;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.TwoStatePreference;
 import android.text.TextUtils;
 import android.text.format.DateFormat;
 

diff --git a/src/com/android/settings/datetime/TimePreferenceController.java b/src/com/android/settings/datetime/TimePreferenceController.java
index 684ad0c..5817371 100644
--- a/src/com/android/settings/datetime/TimePreferenceController.java
+++ b/src/com/android/settings/datetime/TimePreferenceController.java

@@ -20,7 +20,7 @@
 import android.app.AlarmManager;
 import android.app.TimePickerDialog;
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.text.format.DateFormat;
 import android.widget.TimePicker;

diff --git a/src/com/android/settings/datetime/TimeZonePreferenceController.java b/src/com/android/settings/datetime/TimeZonePreferenceController.java
index 435b1fe..801f417 100644
--- a/src/com/android/settings/datetime/TimeZonePreferenceController.java
+++ b/src/com/android/settings/datetime/TimeZonePreferenceController.java

@@ -17,8 +17,8 @@
 package com.android.settings.datetime;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.RestrictedPreference;

diff --git a/src/com/android/settings/datetime/timezone/BaseTimeZoneAdapter.java b/src/com/android/settings/datetime/timezone/BaseTimeZoneAdapter.java
index f83d841..1a868b8 100644
--- a/src/com/android/settings/datetime/timezone/BaseTimeZoneAdapter.java
+++ b/src/com/android/settings/datetime/timezone/BaseTimeZoneAdapter.java

@@ -17,11 +17,11 @@
 package com.android.settings.datetime.timezone;
 
 import android.icu.text.BreakIterator;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import android.support.annotation.VisibleForTesting;
-import android.support.annotation.WorkerThread;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.VisibleForTesting;
+import androidx.annotation.WorkerThread;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;

diff --git a/src/com/android/settings/datetime/timezone/BaseTimeZoneInfoPicker.java b/src/com/android/settings/datetime/timezone/BaseTimeZoneInfoPicker.java
index 4d46c5c..83b85c0 100644
--- a/src/com/android/settings/datetime/timezone/BaseTimeZoneInfoPicker.java
+++ b/src/com/android/settings/datetime/timezone/BaseTimeZoneInfoPicker.java

@@ -23,7 +23,7 @@
 import android.icu.text.DateFormat;
 import android.icu.text.SimpleDateFormat;
 import android.icu.util.Calendar;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import com.android.settings.R;
 import com.android.settings.datetime.timezone.model.TimeZoneData;

diff --git a/src/com/android/settings/datetime/timezone/BaseTimeZonePicker.java b/src/com/android/settings/datetime/timezone/BaseTimeZonePicker.java
index 7bf8abc..6d93ac9 100644
--- a/src/com/android/settings/datetime/timezone/BaseTimeZonePicker.java
+++ b/src/com/android/settings/datetime/timezone/BaseTimeZonePicker.java

@@ -17,9 +17,9 @@
 package com.android.settings.datetime.timezone;
 
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.VisibleForTesting;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;

diff --git a/src/com/android/settings/datetime/timezone/BaseTimeZonePreferenceController.java b/src/com/android/settings/datetime/timezone/BaseTimeZonePreferenceController.java
index 846fce0..3e731f6 100644
--- a/src/com/android/settings/datetime/timezone/BaseTimeZonePreferenceController.java
+++ b/src/com/android/settings/datetime/timezone/BaseTimeZonePreferenceController.java

@@ -17,7 +17,7 @@
 package com.android.settings.datetime.timezone;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.BasePreferenceController;
 

diff --git a/src/com/android/settings/datetime/timezone/RegionPreferenceController.java b/src/com/android/settings/datetime/timezone/RegionPreferenceController.java
index 201b9bd..efb3e4d 100644
--- a/src/com/android/settings/datetime/timezone/RegionPreferenceController.java
+++ b/src/com/android/settings/datetime/timezone/RegionPreferenceController.java

@@ -17,7 +17,7 @@
 
 import android.content.Context;
 import android.icu.text.LocaleDisplayNames;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import java.util.Locale;
 

diff --git a/src/com/android/settings/datetime/timezone/RegionSearchPicker.java b/src/com/android/settings/datetime/timezone/RegionSearchPicker.java
index 134b6ac..e660c33 100644
--- a/src/com/android/settings/datetime/timezone/RegionSearchPicker.java
+++ b/src/com/android/settings/datetime/timezone/RegionSearchPicker.java

@@ -21,7 +21,7 @@
 import android.icu.text.Collator;
 import android.icu.text.LocaleDisplayNames;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto;

diff --git a/src/com/android/settings/datetime/timezone/RegionZonePicker.java b/src/com/android/settings/datetime/timezone/RegionZonePicker.java
index add50b8..7a3378a 100644
--- a/src/com/android/settings/datetime/timezone/RegionZonePicker.java
+++ b/src/com/android/settings/datetime/timezone/RegionZonePicker.java

@@ -21,8 +21,8 @@
 import android.icu.text.LocaleDisplayNames;
 import android.icu.util.TimeZone;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.Nullable;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto;

diff --git a/src/com/android/settings/datetime/timezone/RegionZonePreferenceController.java b/src/com/android/settings/datetime/timezone/RegionZonePreferenceController.java
index 85f4165..79539c3 100644
--- a/src/com/android/settings/datetime/timezone/RegionZonePreferenceController.java
+++ b/src/com/android/settings/datetime/timezone/RegionZonePreferenceController.java

@@ -17,7 +17,7 @@
 package com.android.settings.datetime.timezone;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 

diff --git a/src/com/android/settings/datetime/timezone/TimeZoneInfoPreferenceController.java b/src/com/android/settings/datetime/timezone/TimeZoneInfoPreferenceController.java
index 71936f0..c64726f 100644
--- a/src/com/android/settings/datetime/timezone/TimeZoneInfoPreferenceController.java
+++ b/src/com/android/settings/datetime/timezone/TimeZoneInfoPreferenceController.java

@@ -24,8 +24,8 @@
 import android.icu.util.Calendar;
 import android.icu.util.TimeZone;
 import android.icu.util.TimeZoneTransition;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settingslib.widget.FooterPreference;

diff --git a/src/com/android/settings/datetime/timezone/TimeZoneSettings.java b/src/com/android/settings/datetime/timezone/TimeZoneSettings.java
index edd1d25..3548899 100644
--- a/src/com/android/settings/datetime/timezone/TimeZoneSettings.java
+++ b/src/com/android/settings/datetime/timezone/TimeZoneSettings.java

@@ -23,8 +23,8 @@
 import android.content.SharedPreferences;
 import android.icu.util.TimeZone;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceCategory;
 import android.util.Log;
 import android.view.Menu;
 import android.view.MenuInflater;

diff --git a/src/com/android/settings/datetime/timezone/model/TimeZoneData.java b/src/com/android/settings/datetime/timezone/model/TimeZoneData.java
index 14fc9a1..c914845 100644
--- a/src/com/android/settings/datetime/timezone/model/TimeZoneData.java
+++ b/src/com/android/settings/datetime/timezone/model/TimeZoneData.java

@@ -15,8 +15,8 @@
  */
 package com.android.settings.datetime.timezone.model;
 
-import android.support.annotation.VisibleForTesting;
-import android.support.v4.util.ArraySet;
+import androidx.annotation.VisibleForTesting;
+import androidx.collection.ArraySet;
 
 import libcore.util.CountryTimeZones;
 import libcore.util.CountryZonesFinder;

diff --git a/src/com/android/settings/deletionhelper/AutomaticStorageManagerDescriptionPreferenceController.java b/src/com/android/settings/deletionhelper/AutomaticStorageManagerDescriptionPreferenceController.java
index 23fc35b..92aa612 100644
--- a/src/com/android/settings/deletionhelper/AutomaticStorageManagerDescriptionPreferenceController.java
+++ b/src/com/android/settings/deletionhelper/AutomaticStorageManagerDescriptionPreferenceController.java

@@ -16,8 +16,8 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.format.DateUtils;
 import android.text.format.Formatter;
 

diff --git a/src/com/android/settings/deletionhelper/AutomaticStorageManagerSettings.java b/src/com/android/settings/deletionhelper/AutomaticStorageManagerSettings.java
index d37dbe0..e184b12 100644
--- a/src/com/android/settings/deletionhelper/AutomaticStorageManagerSettings.java
+++ b/src/com/android/settings/deletionhelper/AutomaticStorageManagerSettings.java

@@ -20,9 +20,9 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.v7.preference.DropDownPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.DropDownPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

diff --git a/src/com/android/settings/deletionhelper/AutomaticStorageManagerSwitchBarController.java b/src/com/android/settings/deletionhelper/AutomaticStorageManagerSwitchBarController.java
index c02fb10..011deff 100644
--- a/src/com/android/settings/deletionhelper/AutomaticStorageManagerSwitchBarController.java
+++ b/src/com/android/settings/deletionhelper/AutomaticStorageManagerSwitchBarController.java

@@ -20,7 +20,7 @@
 import android.content.Context;
 import android.os.SystemProperties;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.widget.Switch;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;

diff --git a/src/com/android/settings/development/AbstractBluetoothA2dpPreferenceController.java b/src/com/android/settings/development/AbstractBluetoothA2dpPreferenceController.java
index e00d88d..9608f17 100644
--- a/src/com/android/settings/development/AbstractBluetoothA2dpPreferenceController.java
+++ b/src/com/android/settings/development/AbstractBluetoothA2dpPreferenceController.java

@@ -21,10 +21,10 @@
 import android.bluetooth.BluetoothCodecStatus;
 import android.bluetooth.BluetoothDevice;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/development/AdbPreferenceController.java b/src/com/android/settings/development/AdbPreferenceController.java
index 7be3213..86622ee 100644
--- a/src/com/android/settings/development/AdbPreferenceController.java
+++ b/src/com/android/settings/development/AdbPreferenceController.java

@@ -18,8 +18,8 @@
 
 
 import android.content.Context;
-import android.support.annotation.Nullable;
-import android.support.v7.preference.Preference;
+import androidx.annotation.Nullable;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.AbstractEnableAdbPreferenceController;

diff --git a/src/com/android/settings/development/AllowAppsOnExternalPreferenceController.java b/src/com/android/settings/development/AllowAppsOnExternalPreferenceController.java
index 5a28477..c785bb6 100644
--- a/src/com/android/settings/development/AllowAppsOnExternalPreferenceController.java
+++ b/src/com/android/settings/development/AllowAppsOnExternalPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/AnimatorDurationScalePreferenceController.java b/src/com/android/settings/development/AnimatorDurationScalePreferenceController.java
index de66150..3594395 100644
--- a/src/com/android/settings/development/AnimatorDurationScalePreferenceController.java
+++ b/src/com/android/settings/development/AnimatorDurationScalePreferenceController.java

@@ -19,9 +19,9 @@
 import android.content.Context;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.view.IWindowManager;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/development/AppsNotRespondingPreferenceController.java b/src/com/android/settings/development/AppsNotRespondingPreferenceController.java
index 6d43eee..19db369 100644
--- a/src/com/android/settings/development/AppsNotRespondingPreferenceController.java
+++ b/src/com/android/settings/development/AppsNotRespondingPreferenceController.java

@@ -17,9 +17,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/BackgroundProcessLimitPreferenceController.java b/src/com/android/settings/development/BackgroundProcessLimitPreferenceController.java
index 9049959..7333aad6 100644
--- a/src/com/android/settings/development/BackgroundProcessLimitPreferenceController.java
+++ b/src/com/android/settings/development/BackgroundProcessLimitPreferenceController.java

@@ -20,9 +20,9 @@
 import android.app.IActivityManager;
 import android.content.Context;
 import android.os.RemoteException;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/development/BluetoothAbsoluteVolumePreferenceController.java b/src/com/android/settings/development/BluetoothAbsoluteVolumePreferenceController.java
index e55e9de..4ea2456 100644
--- a/src/com/android/settings/development/BluetoothAbsoluteVolumePreferenceController.java
+++ b/src/com/android/settings/development/BluetoothAbsoluteVolumePreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/BluetoothAvrcpVersionPreferenceController.java b/src/com/android/settings/development/BluetoothAvrcpVersionPreferenceController.java
index ba75b35..688f125 100644
--- a/src/com/android/settings/development/BluetoothAvrcpVersionPreferenceController.java
+++ b/src/com/android/settings/development/BluetoothAvrcpVersionPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/development/BluetoothDelayReportsPreferenceController.java b/src/com/android/settings/development/BluetoothDelayReportsPreferenceController.java
index 6c7a7dd..3556424 100644
--- a/src/com/android/settings/development/BluetoothDelayReportsPreferenceController.java
+++ b/src/com/android/settings/development/BluetoothDelayReportsPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/BluetoothDeviceNoNamePreferenceController.java b/src/com/android/settings/development/BluetoothDeviceNoNamePreferenceController.java
index 5a9977b..3e913bd 100644
--- a/src/com/android/settings/development/BluetoothDeviceNoNamePreferenceController.java
+++ b/src/com/android/settings/development/BluetoothDeviceNoNamePreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/BluetoothInbandRingingPreferenceController.java b/src/com/android/settings/development/BluetoothInbandRingingPreferenceController.java
index c64ac11..ec5124f 100644
--- a/src/com/android/settings/development/BluetoothInbandRingingPreferenceController.java
+++ b/src/com/android/settings/development/BluetoothInbandRingingPreferenceController.java

@@ -19,9 +19,9 @@
 import android.bluetooth.BluetoothHeadset;
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/BluetoothMaxConnectedAudioDevicesPreferenceController.java b/src/com/android/settings/development/BluetoothMaxConnectedAudioDevicesPreferenceController.java
index 9737b67..6ad3689 100644
--- a/src/com/android/settings/development/BluetoothMaxConnectedAudioDevicesPreferenceController.java
+++ b/src/com/android/settings/development/BluetoothMaxConnectedAudioDevicesPreferenceController.java

@@ -18,10 +18,10 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/BluetoothSnoopLogPreferenceController.java b/src/com/android/settings/development/BluetoothSnoopLogPreferenceController.java
index 0dd5d26..4b1bf5c 100644
--- a/src/com/android/settings/development/BluetoothSnoopLogPreferenceController.java
+++ b/src/com/android/settings/development/BluetoothSnoopLogPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/BugReportInPowerPreferenceController.java b/src/com/android/settings/development/BugReportInPowerPreferenceController.java
index 0adce37..22b9f2b 100644
--- a/src/com/android/settings/development/BugReportInPowerPreferenceController.java
+++ b/src/com/android/settings/development/BugReportInPowerPreferenceController.java

@@ -19,9 +19,9 @@
 import android.content.Context;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/CameraLaserSensorPreferenceController.java b/src/com/android/settings/development/CameraLaserSensorPreferenceController.java
index bc94e73..74f8794 100644
--- a/src/com/android/settings/development/CameraLaserSensorPreferenceController.java
+++ b/src/com/android/settings/development/CameraLaserSensorPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.internal.annotations.VisibleForTesting;

diff --git a/src/com/android/settings/development/ClearAdbKeysPreferenceController.java b/src/com/android/settings/development/ClearAdbKeysPreferenceController.java
index d168df6..9598b37 100644
--- a/src/com/android/settings/development/ClearAdbKeysPreferenceController.java
+++ b/src/com/android/settings/development/ClearAdbKeysPreferenceController.java

@@ -22,9 +22,9 @@
 import android.os.ServiceManager;
 import android.os.SystemProperties;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.Log;
 

diff --git a/src/com/android/settings/development/ColorModePreference.java b/src/com/android/settings/development/ColorModePreference.java
index 20af2c6..54ca468 100644
--- a/src/com/android/settings/development/ColorModePreference.java
+++ b/src/com/android/settings/development/ColorModePreference.java

@@ -21,7 +21,7 @@
 import android.hardware.display.DisplayManager.DisplayListener;
 import android.os.Handler;
 import android.os.Looper;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.SwitchPreference;
 import android.util.AttributeSet;
 import android.view.Display;
 

diff --git a/src/com/android/settings/development/ConnectivityMonitorPreferenceController.java b/src/com/android/settings/development/ConnectivityMonitorPreferenceController.java
index 85b562d..de5b2cc 100644
--- a/src/com/android/settings/development/ConnectivityMonitorPreferenceController.java
+++ b/src/com/android/settings/development/ConnectivityMonitorPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.widget.Toast;
 

diff --git a/src/com/android/settings/development/CoolColorTemperaturePreferenceController.java b/src/com/android/settings/development/CoolColorTemperaturePreferenceController.java
index 0c26e58..ae459ac 100644
--- a/src/com/android/settings/development/CoolColorTemperaturePreferenceController.java
+++ b/src/com/android/settings/development/CoolColorTemperaturePreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.widget.Toast;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/development/DarkUIPreferenceController.java b/src/com/android/settings/development/DarkUIPreferenceController.java
index a2c928c..fc45771 100644
--- a/src/com/android/settings/development/DarkUIPreferenceController.java
+++ b/src/com/android/settings/development/DarkUIPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.app.UiModeManager;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/development/DebugGpuOverdrawPreferenceController.java b/src/com/android/settings/development/DebugGpuOverdrawPreferenceController.java
index f0fd8f9..9b3f1d8 100644
--- a/src/com/android/settings/development/DebugGpuOverdrawPreferenceController.java
+++ b/src/com/android/settings/development/DebugGpuOverdrawPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.view.ThreadedRenderer;
 

diff --git a/src/com/android/settings/development/DebugNonRectClipOperationsPreferenceController.java b/src/com/android/settings/development/DebugNonRectClipOperationsPreferenceController.java
index 6dd9412..03e3dab 100644
--- a/src/com/android/settings/development/DebugNonRectClipOperationsPreferenceController.java
+++ b/src/com/android/settings/development/DebugNonRectClipOperationsPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.view.ThreadedRenderer;
 

diff --git a/src/com/android/settings/development/DebugViewAttributesPreferenceController.java b/src/com/android/settings/development/DebugViewAttributesPreferenceController.java
index fccfe28..8950b86 100644
--- a/src/com/android/settings/development/DebugViewAttributesPreferenceController.java
+++ b/src/com/android/settings/development/DebugViewAttributesPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java b/src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java
index d69109c..c3b62e2 100644
--- a/src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java
+++ b/src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java

@@ -28,8 +28,8 @@
 import android.os.Bundle;
 import android.os.UserManager;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.annotation.VisibleForTesting;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;

diff --git a/src/com/android/settings/development/DevelopmentSwitchBarController.java b/src/com/android/settings/development/DevelopmentSwitchBarController.java
index 79a8310..84b7f9f 100644
--- a/src/com/android/settings/development/DevelopmentSwitchBarController.java
+++ b/src/com/android/settings/development/DevelopmentSwitchBarController.java

@@ -16,7 +16,7 @@
 
 package com.android.settings.development;
 
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import com.android.settings.Utils;
 import com.android.settings.widget.SwitchBar;

diff --git a/src/com/android/settings/development/DisableAutomaticUpdatesPreferenceController.java b/src/com/android/settings/development/DisableAutomaticUpdatesPreferenceController.java
index d45e6b4..5ecb676 100644
--- a/src/com/android/settings/development/DisableAutomaticUpdatesPreferenceController.java
+++ b/src/com/android/settings/development/DisableAutomaticUpdatesPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/EmulateDisplayCutoutPreferenceController.java b/src/com/android/settings/development/EmulateDisplayCutoutPreferenceController.java
index 9fa323a..3d551cd 100644
--- a/src/com/android/settings/development/EmulateDisplayCutoutPreferenceController.java
+++ b/src/com/android/settings/development/EmulateDisplayCutoutPreferenceController.java

@@ -20,10 +20,10 @@
 
 import android.content.Context;
 import android.content.pm.PackageManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.view.DisplayCutout;
 

diff --git a/src/com/android/settings/development/EnableGnssRawMeasFullTrackingPreferenceController.java b/src/com/android/settings/development/EnableGnssRawMeasFullTrackingPreferenceController.java
index cb02a40..8666368 100644
--- a/src/com/android/settings/development/EnableGnssRawMeasFullTrackingPreferenceController.java
+++ b/src/com/android/settings/development/EnableGnssRawMeasFullTrackingPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/EnableGpuDebugLayersPreferenceController.java b/src/com/android/settings/development/EnableGpuDebugLayersPreferenceController.java
index 58b6392..9882975 100644
--- a/src/com/android/settings/development/EnableGpuDebugLayersPreferenceController.java
+++ b/src/com/android/settings/development/EnableGpuDebugLayersPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/FileEncryptionPreferenceController.java b/src/com/android/settings/development/FileEncryptionPreferenceController.java
index 263b9da..f8326ab 100644
--- a/src/com/android/settings/development/FileEncryptionPreferenceController.java
+++ b/src/com/android/settings/development/FileEncryptionPreferenceController.java

@@ -21,8 +21,8 @@
 import android.os.ServiceManager;
 import android.os.SystemProperties;
 import android.os.storage.IStorageManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/development/ForceMSAAPreferenceController.java b/src/com/android/settings/development/ForceMSAAPreferenceController.java
index 4fd1f3b..17b5e4b 100644
--- a/src/com/android/settings/development/ForceMSAAPreferenceController.java
+++ b/src/com/android/settings/development/ForceMSAAPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/FreeformWindowsPreferenceController.java b/src/com/android/settings/development/FreeformWindowsPreferenceController.java
index 90aad28..e6c3813 100644
--- a/src/com/android/settings/development/FreeformWindowsPreferenceController.java
+++ b/src/com/android/settings/development/FreeformWindowsPreferenceController.java

@@ -19,9 +19,9 @@
 import android.content.Context;
 import android.os.Build;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/development/GlobalSettingSwitchPreferenceController.java b/src/com/android/settings/development/GlobalSettingSwitchPreferenceController.java
index 10455eb..a761376 100644
--- a/src/com/android/settings/development/GlobalSettingSwitchPreferenceController.java
+++ b/src/com/android/settings/development/GlobalSettingSwitchPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/GpuViewUpdatesPreferenceController.java b/src/com/android/settings/development/GpuViewUpdatesPreferenceController.java
index d52bb69..6b8ead5 100644
--- a/src/com/android/settings/development/GpuViewUpdatesPreferenceController.java
+++ b/src/com/android/settings/development/GpuViewUpdatesPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.view.ThreadedRenderer;
 
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/development/HardwareLayersUpdatesPreferenceController.java b/src/com/android/settings/development/HardwareLayersUpdatesPreferenceController.java
index 77cca91..4c501b6 100644
--- a/src/com/android/settings/development/HardwareLayersUpdatesPreferenceController.java
+++ b/src/com/android/settings/development/HardwareLayersUpdatesPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.view.ThreadedRenderer;
 
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/development/HardwareOverlaysPreferenceController.java b/src/com/android/settings/development/HardwareOverlaysPreferenceController.java
index 51cde9e..69f1ba1 100644
--- a/src/com/android/settings/development/HardwareOverlaysPreferenceController.java
+++ b/src/com/android/settings/development/HardwareOverlaysPreferenceController.java

@@ -21,9 +21,9 @@
 import android.os.Parcel;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/HdcpCheckingPreferenceController.java b/src/com/android/settings/development/HdcpCheckingPreferenceController.java
index 4c5b1e2..6dcca77 100644
--- a/src/com/android/settings/development/HdcpCheckingPreferenceController.java
+++ b/src/com/android/settings/development/HdcpCheckingPreferenceController.java

@@ -19,9 +19,9 @@
 import android.content.Context;
 import android.os.Build;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/development/KeepActivitiesPreferenceController.java b/src/com/android/settings/development/KeepActivitiesPreferenceController.java
index 169d39b..839397b 100644
--- a/src/com/android/settings/development/KeepActivitiesPreferenceController.java
+++ b/src/com/android/settings/development/KeepActivitiesPreferenceController.java

@@ -21,10 +21,10 @@
 import android.content.Context;
 import android.os.RemoteException;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/LocalBackupPasswordPreferenceController.java b/src/com/android/settings/development/LocalBackupPasswordPreferenceController.java
index 22e2e2e..18e3a06 100644
--- a/src/com/android/settings/development/LocalBackupPasswordPreferenceController.java
+++ b/src/com/android/settings/development/LocalBackupPasswordPreferenceController.java

@@ -21,8 +21,8 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/development/LocalTerminalPreferenceController.java b/src/com/android/settings/development/LocalTerminalPreferenceController.java
index c782400..be60ed7 100644
--- a/src/com/android/settings/development/LocalTerminalPreferenceController.java
+++ b/src/com/android/settings/development/LocalTerminalPreferenceController.java

@@ -3,10 +3,10 @@
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/LogPersistPreferenceController.java b/src/com/android/settings/development/LogPersistPreferenceController.java
index 8e99a63..9c7a037 100644
--- a/src/com/android/settings/development/LogPersistPreferenceController.java
+++ b/src/com/android/settings/development/LogPersistPreferenceController.java

@@ -17,8 +17,8 @@
 package com.android.settings.development;
 
 import android.content.Context;
-import android.support.annotation.Nullable;
-import android.support.v7.preference.Preference;
+import androidx.annotation.Nullable;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.lifecycle.Lifecycle;

diff --git a/src/com/android/settings/development/LogdSizePreferenceController.java b/src/com/android/settings/development/LogdSizePreferenceController.java
index 36f07c8..cae0766 100644
--- a/src/com/android/settings/development/LogdSizePreferenceController.java
+++ b/src/com/android/settings/development/LogdSizePreferenceController.java

@@ -17,7 +17,7 @@
 package com.android.settings.development;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.AbstractLogdSizePreferenceController;

diff --git a/src/com/android/settings/development/MemoryUsagePreferenceController.java b/src/com/android/settings/development/MemoryUsagePreferenceController.java
index 4b4fa68..8412079 100644
--- a/src/com/android/settings/development/MemoryUsagePreferenceController.java
+++ b/src/com/android/settings/development/MemoryUsagePreferenceController.java

@@ -17,9 +17,9 @@
 package com.android.settings.development;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.format.Formatter;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/development/MobileDataAlwaysOnPreferenceController.java b/src/com/android/settings/development/MobileDataAlwaysOnPreferenceController.java
index e90deb1..031ff9e 100644
--- a/src/com/android/settings/development/MobileDataAlwaysOnPreferenceController.java
+++ b/src/com/android/settings/development/MobileDataAlwaysOnPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/MockLocationAppPreferenceController.java b/src/com/android/settings/development/MockLocationAppPreferenceController.java
index 3e342c1..bbce582 100644
--- a/src/com/android/settings/development/MockLocationAppPreferenceController.java
+++ b/src/com/android/settings/development/MockLocationAppPreferenceController.java

@@ -26,7 +26,7 @@
 import android.content.Intent;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/development/NotificationChannelWarningsPreferenceController.java b/src/com/android/settings/development/NotificationChannelWarningsPreferenceController.java
index e451017..5e159c6 100644
--- a/src/com/android/settings/development/NotificationChannelWarningsPreferenceController.java
+++ b/src/com/android/settings/development/NotificationChannelWarningsPreferenceController.java

@@ -19,9 +19,9 @@
 import android.content.Context;
 import android.os.Build;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/OemUnlockPreferenceController.java b/src/com/android/settings/development/OemUnlockPreferenceController.java
index 95fe9b5..243cd3f 100644
--- a/src/com/android/settings/development/OemUnlockPreferenceController.java
+++ b/src/com/android/settings/development/OemUnlockPreferenceController.java

@@ -26,9 +26,9 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.service.oemlock.OemLockManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.TelephonyManager;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/development/PictureColorModePreferenceController.java b/src/com/android/settings/development/PictureColorModePreferenceController.java
index d6dd363..fe07083 100644
--- a/src/com/android/settings/development/PictureColorModePreferenceController.java
+++ b/src/com/android/settings/development/PictureColorModePreferenceController.java

@@ -17,8 +17,8 @@
 package com.android.settings.development;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.lifecycle.Lifecycle;

diff --git a/src/com/android/settings/development/PointerLocationPreferenceController.java b/src/com/android/settings/development/PointerLocationPreferenceController.java
index 18bc086..079184c 100644
--- a/src/com/android/settings/development/PointerLocationPreferenceController.java
+++ b/src/com/android/settings/development/PointerLocationPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/ProfileGpuRenderingPreferenceController.java b/src/com/android/settings/development/ProfileGpuRenderingPreferenceController.java
index a8ee9ae..ba9ce77 100644
--- a/src/com/android/settings/development/ProfileGpuRenderingPreferenceController.java
+++ b/src/com/android/settings/development/ProfileGpuRenderingPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.view.ThreadedRenderer;
 

diff --git a/src/com/android/settings/development/ResizableActivityPreferenceController.java b/src/com/android/settings/development/ResizableActivityPreferenceController.java
index 4748cdb..9ae9216 100644
--- a/src/com/android/settings/development/ResizableActivityPreferenceController.java
+++ b/src/com/android/settings/development/ResizableActivityPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/RtlLayoutPreferenceController.java b/src/com/android/settings/development/RtlLayoutPreferenceController.java
index 7d6100c..a88f16f 100644
--- a/src/com/android/settings/development/RtlLayoutPreferenceController.java
+++ b/src/com/android/settings/development/RtlLayoutPreferenceController.java

@@ -19,9 +19,9 @@
 import android.content.Context;
 import android.os.SystemProperties;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.internal.app.LocalePicker;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/development/SecondaryDisplayPreferenceController.java b/src/com/android/settings/development/SecondaryDisplayPreferenceController.java
index 24b44e2..21f9881 100644
--- a/src/com/android/settings/development/SecondaryDisplayPreferenceController.java
+++ b/src/com/android/settings/development/SecondaryDisplayPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/development/SecureSettingSwitchPreferenceController.java b/src/com/android/settings/development/SecureSettingSwitchPreferenceController.java
index 38bfc98..8974c0a 100644
--- a/src/com/android/settings/development/SecureSettingSwitchPreferenceController.java
+++ b/src/com/android/settings/development/SecureSettingSwitchPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/SelectDebugAppPreferenceController.java b/src/com/android/settings/development/SelectDebugAppPreferenceController.java
index 9ea90be..823bf2e 100644
--- a/src/com/android/settings/development/SelectDebugAppPreferenceController.java
+++ b/src/com/android/settings/development/SelectDebugAppPreferenceController.java

@@ -25,8 +25,8 @@
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/development/ShortcutManagerThrottlingPreferenceController.java b/src/com/android/settings/development/ShortcutManagerThrottlingPreferenceController.java
index a0e6592..f7f5b6d 100644
--- a/src/com/android/settings/development/ShortcutManagerThrottlingPreferenceController.java
+++ b/src/com/android/settings/development/ShortcutManagerThrottlingPreferenceController.java

@@ -20,7 +20,7 @@
 import android.content.pm.IShortcutService;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.Log;
 import android.widget.Toast;

diff --git a/src/com/android/settings/development/ShowFirstCrashDialogPreferenceController.java b/src/com/android/settings/development/ShowFirstCrashDialogPreferenceController.java
index e18943b..d0df9c8 100644
--- a/src/com/android/settings/development/ShowFirstCrashDialogPreferenceController.java
+++ b/src/com/android/settings/development/ShowFirstCrashDialogPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/ShowLayoutBoundsPreferenceController.java b/src/com/android/settings/development/ShowLayoutBoundsPreferenceController.java
index e4a3dca..4d3fdbf 100644
--- a/src/com/android/settings/development/ShowLayoutBoundsPreferenceController.java
+++ b/src/com/android/settings/development/ShowLayoutBoundsPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.view.View;
 
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/development/ShowSurfaceUpdatesPreferenceController.java b/src/com/android/settings/development/ShowSurfaceUpdatesPreferenceController.java
index fd0b9a5..ffd3da2 100644
--- a/src/com/android/settings/development/ShowSurfaceUpdatesPreferenceController.java
+++ b/src/com/android/settings/development/ShowSurfaceUpdatesPreferenceController.java

@@ -21,9 +21,9 @@
 import android.os.Parcel;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/ShowTapsPreferenceController.java b/src/com/android/settings/development/ShowTapsPreferenceController.java
index 818d048..87fbf69 100644
--- a/src/com/android/settings/development/ShowTapsPreferenceController.java
+++ b/src/com/android/settings/development/ShowTapsPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/SimulateColorSpacePreferenceController.java b/src/com/android/settings/development/SimulateColorSpacePreferenceController.java
index aa3dcde..ed16b68 100644
--- a/src/com/android/settings/development/SimulateColorSpacePreferenceController.java
+++ b/src/com/android/settings/development/SimulateColorSpacePreferenceController.java

@@ -20,9 +20,9 @@
 import android.content.Context;
 import android.content.res.Resources;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.view.accessibility.AccessibilityManager;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/development/StayAwakePreferenceController.java b/src/com/android/settings/development/StayAwakePreferenceController.java
index cb8bd88..31eb71a 100644
--- a/src/com/android/settings/development/StayAwakePreferenceController.java
+++ b/src/com/android/settings/development/StayAwakePreferenceController.java

@@ -23,9 +23,9 @@
 import android.os.BatteryManager;
 import android.os.Handler;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.RestrictedLockUtils;

diff --git a/src/com/android/settings/development/StrictModePreferenceController.java b/src/com/android/settings/development/StrictModePreferenceController.java
index c2e3248..2af301c 100644
--- a/src/com/android/settings/development/StrictModePreferenceController.java
+++ b/src/com/android/settings/development/StrictModePreferenceController.java

@@ -21,9 +21,9 @@
 import android.os.ServiceManager;
 import android.os.StrictMode;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.view.IWindowManager;
 
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/development/SystemSettingSwitchPreferenceController.java b/src/com/android/settings/development/SystemSettingSwitchPreferenceController.java
index 539319d..7174b45 100644
--- a/src/com/android/settings/development/SystemSettingSwitchPreferenceController.java
+++ b/src/com/android/settings/development/SystemSettingSwitchPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/TetheringHardwareAccelPreferenceController.java b/src/com/android/settings/development/TetheringHardwareAccelPreferenceController.java
index 22fbe5b..72b0bf3 100644
--- a/src/com/android/settings/development/TetheringHardwareAccelPreferenceController.java
+++ b/src/com/android/settings/development/TetheringHardwareAccelPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/TransitionAnimationScalePreferenceController.java b/src/com/android/settings/development/TransitionAnimationScalePreferenceController.java
index d8e7250..6f57f88 100644
--- a/src/com/android/settings/development/TransitionAnimationScalePreferenceController.java
+++ b/src/com/android/settings/development/TransitionAnimationScalePreferenceController.java

@@ -19,9 +19,9 @@
 import android.content.Context;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.view.IWindowManager;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/development/UsbAudioRoutingPreferenceController.java b/src/com/android/settings/development/UsbAudioRoutingPreferenceController.java
index 067f1c7..c73412d 100644
--- a/src/com/android/settings/development/UsbAudioRoutingPreferenceController.java
+++ b/src/com/android/settings/development/UsbAudioRoutingPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/VerifyAppsOverUsbPreferenceController.java b/src/com/android/settings/development/VerifyAppsOverUsbPreferenceController.java
index 064d8f6..f151134 100644
--- a/src/com/android/settings/development/VerifyAppsOverUsbPreferenceController.java
+++ b/src/com/android/settings/development/VerifyAppsOverUsbPreferenceController.java

@@ -22,8 +22,8 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.RestrictedLockUtils;

diff --git a/src/com/android/settings/development/WaitForDebuggerPreferenceController.java b/src/com/android/settings/development/WaitForDebuggerPreferenceController.java
index e5f5e9f..9959f12 100644
--- a/src/com/android/settings/development/WaitForDebuggerPreferenceController.java
+++ b/src/com/android/settings/development/WaitForDebuggerPreferenceController.java

@@ -26,9 +26,9 @@
 import android.content.Intent;
 import android.os.RemoteException;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/development/WebViewAppPreferenceController.java b/src/com/android/settings/development/WebViewAppPreferenceController.java
index db891b2..7796cfd 100644
--- a/src/com/android/settings/development/WebViewAppPreferenceController.java
+++ b/src/com/android/settings/development/WebViewAppPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.content.pm.PackageInfo;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.Log;
 

diff --git a/src/com/android/settings/development/WifiConnectedMacRandomizationPreferenceController.java b/src/com/android/settings/development/WifiConnectedMacRandomizationPreferenceController.java
index e07c328..9582ebe 100644
--- a/src/com/android/settings/development/WifiConnectedMacRandomizationPreferenceController.java
+++ b/src/com/android/settings/development/WifiConnectedMacRandomizationPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/development/WifiDisplayCertificationPreferenceController.java b/src/com/android/settings/development/WifiDisplayCertificationPreferenceController.java
index a3e1a60..71ca8f1 100644
--- a/src/com/android/settings/development/WifiDisplayCertificationPreferenceController.java
+++ b/src/com/android/settings/development/WifiDisplayCertificationPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/WifiVerboseLoggingPreferenceController.java b/src/com/android/settings/development/WifiVerboseLoggingPreferenceController.java
index 701dfec..c3c9ca3 100644
--- a/src/com/android/settings/development/WifiVerboseLoggingPreferenceController.java
+++ b/src/com/android/settings/development/WifiVerboseLoggingPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.net.wifi.WifiManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.development.DeveloperOptionsPreferenceController;

diff --git a/src/com/android/settings/development/WindowAnimationScalePreferenceController.java b/src/com/android/settings/development/WindowAnimationScalePreferenceController.java
index c841295..6414372 100644
--- a/src/com/android/settings/development/WindowAnimationScalePreferenceController.java
+++ b/src/com/android/settings/development/WindowAnimationScalePreferenceController.java

@@ -19,9 +19,9 @@
 import android.content.Context;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.view.IWindowManager;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/development/featureflags/FeatureFlagPreference.java b/src/com/android/settings/development/featureflags/FeatureFlagPreference.java
index b5a4a15..7dd8f28 100644
--- a/src/com/android/settings/development/featureflags/FeatureFlagPreference.java
+++ b/src/com/android/settings/development/featureflags/FeatureFlagPreference.java

@@ -17,7 +17,7 @@
 package com.android.settings.development.featureflags;
 
 import android.content.Context;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.SwitchPreference;
 import android.util.FeatureFlagUtils;
 
 public class FeatureFlagPreference extends SwitchPreference {

diff --git a/src/com/android/settings/development/featureflags/FeatureFlagsPreferenceController.java b/src/com/android/settings/development/featureflags/FeatureFlagsPreferenceController.java
index fe565ed..960979c 100644
--- a/src/com/android/settings/development/featureflags/FeatureFlagsPreferenceController.java
+++ b/src/com/android/settings/development/featureflags/FeatureFlagsPreferenceController.java

@@ -17,7 +17,7 @@
 package com.android.settings.development.featureflags;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 import android.util.FeatureFlagUtils;
 
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/development/qstile/DevelopmentTilePreferenceController.java b/src/com/android/settings/development/qstile/DevelopmentTilePreferenceController.java
index 51fcb2c..71d3d07 100644
--- a/src/com/android/settings/development/qstile/DevelopmentTilePreferenceController.java
+++ b/src/com/android/settings/development/qstile/DevelopmentTilePreferenceController.java

@@ -25,10 +25,10 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.service.quicksettings.TileService;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 
 import com.android.internal.statusbar.IStatusBarService;

diff --git a/src/com/android/settings/development/qstile/DevelopmentTiles.java b/src/com/android/settings/development/qstile/DevelopmentTiles.java
index c28a050..1094ab9 100644
--- a/src/com/android/settings/development/qstile/DevelopmentTiles.java
+++ b/src/com/android/settings/development/qstile/DevelopmentTiles.java

@@ -25,7 +25,7 @@
 import android.provider.Settings;
 import android.service.quicksettings.Tile;
 import android.service.quicksettings.TileService;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 import android.view.IWindowManager;
 import android.view.ThreadedRenderer;

diff --git a/src/com/android/settings/deviceinfo/BrandedAccountPreferenceController.java b/src/com/android/settings/deviceinfo/BrandedAccountPreferenceController.java
index 9e78ae5..ca2175b 100644
--- a/src/com/android/settings/deviceinfo/BrandedAccountPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/BrandedAccountPreferenceController.java

@@ -19,8 +19,8 @@
 import android.accounts.Account;
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;

diff --git a/src/com/android/settings/deviceinfo/BuildNumberPreferenceController.java b/src/com/android/settings/deviceinfo/BuildNumberPreferenceController.java
index 46bc120..707d660 100644
--- a/src/com/android/settings/deviceinfo/BuildNumberPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/BuildNumberPreferenceController.java

@@ -25,8 +25,8 @@
 import android.os.Build;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.BidiFormatter;
 import android.text.TextUtils;
 import android.util.Pair;

diff --git a/src/com/android/settings/deviceinfo/DeviceInfoSettings.java b/src/com/android/settings/deviceinfo/DeviceInfoSettings.java
index 5e78362..34f7ea8 100644
--- a/src/com/android/settings/deviceinfo/DeviceInfoSettings.java
+++ b/src/com/android/settings/deviceinfo/DeviceInfoSettings.java

@@ -21,7 +21,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.telephony.TelephonyManager;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;

diff --git a/src/com/android/settings/deviceinfo/DeviceModelPreferenceController.java b/src/com/android/settings/deviceinfo/DeviceModelPreferenceController.java
index 831c630..1fc54cd 100644
--- a/src/com/android/settings/deviceinfo/DeviceModelPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/DeviceModelPreferenceController.java

@@ -18,8 +18,8 @@
 import android.app.Fragment;
 import android.content.Context;
 import android.os.Build;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/deviceinfo/DeviceNamePreferenceController.java b/src/com/android/settings/deviceinfo/DeviceNamePreferenceController.java
index 7913bb5..fc89dc1 100644
--- a/src/com/android/settings/deviceinfo/DeviceNamePreferenceController.java
+++ b/src/com/android/settings/deviceinfo/DeviceNamePreferenceController.java

@@ -23,8 +23,8 @@
 import android.os.Build;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.SpannedString;
 
 import com.android.internal.annotations.VisibleForTesting;

diff --git a/src/com/android/settings/deviceinfo/FccEquipmentIdPreferenceController.java b/src/com/android/settings/deviceinfo/FccEquipmentIdPreferenceController.java
index f3d7380..62077ca 100644
--- a/src/com/android/settings/deviceinfo/FccEquipmentIdPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/FccEquipmentIdPreferenceController.java

@@ -17,8 +17,8 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/deviceinfo/FeedbackPreferenceController.java b/src/com/android/settings/deviceinfo/FeedbackPreferenceController.java
index e2e2e2a..5272182 100644
--- a/src/com/android/settings/deviceinfo/FeedbackPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/FeedbackPreferenceController.java

@@ -18,7 +18,7 @@
 import android.app.Fragment;
 import android.content.Context;
 import android.content.Intent;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/deviceinfo/HardwareInfoDialogFragment.java b/src/com/android/settings/deviceinfo/HardwareInfoDialogFragment.java
index 6169b44..58155af 100644
--- a/src/com/android/settings/deviceinfo/HardwareInfoDialogFragment.java
+++ b/src/com/android/settings/deviceinfo/HardwareInfoDialogFragment.java

@@ -21,7 +21,7 @@
 import android.os.Build;
 import android.os.Bundle;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;

diff --git a/src/com/android/settings/deviceinfo/KernelVersionPreferenceController.java b/src/com/android/settings/deviceinfo/KernelVersionPreferenceController.java
index f3b98ed..c0ae99a 100644
--- a/src/com/android/settings/deviceinfo/KernelVersionPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/KernelVersionPreferenceController.java

@@ -16,7 +16,7 @@
 package com.android.settings.deviceinfo;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.DeviceInfoUtils;

diff --git a/src/com/android/settings/deviceinfo/PhoneNumberPreferenceController.java b/src/com/android/settings/deviceinfo/PhoneNumberPreferenceController.java
index 4eb2ddd..95cd09c 100644
--- a/src/com/android/settings/deviceinfo/PhoneNumberPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/PhoneNumberPreferenceController.java

@@ -17,9 +17,9 @@
 package com.android.settings.deviceinfo;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;

diff --git a/src/com/android/settings/deviceinfo/PrivateVolumeForget.java b/src/com/android/settings/deviceinfo/PrivateVolumeForget.java
index af485db..b5aabeb 100644
--- a/src/com/android/settings/deviceinfo/PrivateVolumeForget.java
+++ b/src/com/android/settings/deviceinfo/PrivateVolumeForget.java

@@ -24,7 +24,7 @@
 import android.os.Bundle;
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeRecord;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;

diff --git a/src/com/android/settings/deviceinfo/PrivateVolumeSettings.java b/src/com/android/settings/deviceinfo/PrivateVolumeSettings.java
index 7958b37..54e0eef 100644
--- a/src/com/android/settings/deviceinfo/PrivateVolumeSettings.java
+++ b/src/com/android/settings/deviceinfo/PrivateVolumeSettings.java

@@ -36,10 +36,10 @@
 import android.os.storage.VolumeInfo;
 import android.os.storage.VolumeRecord;
 import android.provider.DocumentsContract;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.text.format.Formatter;
 import android.text.format.Formatter.BytesResult;

diff --git a/src/com/android/settings/deviceinfo/PublicVolumeSettings.java b/src/com/android/settings/deviceinfo/PublicVolumeSettings.java
index 85b7904..5982be6 100644
--- a/src/com/android/settings/deviceinfo/PublicVolumeSettings.java
+++ b/src/com/android/settings/deviceinfo/PublicVolumeSettings.java

@@ -28,8 +28,8 @@
 import android.os.storage.VolumeInfo;
 import android.os.storage.VolumeRecord;
 import android.provider.DocumentsContract;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.text.format.Formatter;
 import android.text.format.Formatter.BytesResult;

diff --git a/src/com/android/settings/deviceinfo/StorageDashboardFragment.java b/src/com/android/settings/deviceinfo/StorageDashboardFragment.java
index 0651524..671270f 100644
--- a/src/com/android/settings/deviceinfo/StorageDashboardFragment.java
+++ b/src/com/android/settings/deviceinfo/StorageDashboardFragment.java

@@ -28,7 +28,7 @@
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeInfo;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.SparseArray;
 import android.view.View;
 

diff --git a/src/com/android/settings/deviceinfo/StorageItemPreference.java b/src/com/android/settings/deviceinfo/StorageItemPreference.java
index 3dcf935..6cf85b1 100644
--- a/src/com/android/settings/deviceinfo/StorageItemPreference.java
+++ b/src/com/android/settings/deviceinfo/StorageItemPreference.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.content.res.Resources;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.ProgressBar;

diff --git a/src/com/android/settings/deviceinfo/StorageProfileFragment.java b/src/com/android/settings/deviceinfo/StorageProfileFragment.java
index a312a81..5e66fdd 100644
--- a/src/com/android/settings/deviceinfo/StorageProfileFragment.java
+++ b/src/com/android/settings/deviceinfo/StorageProfileFragment.java

@@ -24,7 +24,7 @@
 import android.os.UserManager;
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeInfo;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.SparseArray;
 
 import com.android.internal.logging.nano.MetricsProto;

diff --git a/src/com/android/settings/deviceinfo/StorageSettings.java b/src/com/android/settings/deviceinfo/StorageSettings.java
index 720cebd..7734c4a 100644
--- a/src/com/android/settings/deviceinfo/StorageSettings.java
+++ b/src/com/android/settings/deviceinfo/StorageSettings.java

@@ -35,10 +35,10 @@
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeInfo;
 import android.os.storage.VolumeRecord;
-import android.support.annotation.NonNull;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.annotation.NonNull;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
 import android.text.TextUtils;
 import android.text.format.Formatter;
 import android.text.format.Formatter.BytesResult;

diff --git a/src/com/android/settings/deviceinfo/StorageSummaryPreference.java b/src/com/android/settings/deviceinfo/StorageSummaryPreference.java
index f97f049..292ee44 100644
--- a/src/com/android/settings/deviceinfo/StorageSummaryPreference.java
+++ b/src/com/android/settings/deviceinfo/StorageSummaryPreference.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.graphics.Color;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.MathUtils;
 import android.view.View;
 import android.widget.ProgressBar;

diff --git a/src/com/android/settings/deviceinfo/StorageVolumePreference.java b/src/com/android/settings/deviceinfo/StorageVolumePreference.java
index 6135acd..4c3ad63 100644
--- a/src/com/android/settings/deviceinfo/StorageVolumePreference.java
+++ b/src/com/android/settings/deviceinfo/StorageVolumePreference.java

@@ -23,8 +23,8 @@
 import android.graphics.drawable.Drawable;
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeInfo;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.format.Formatter;
 import android.util.Log;
 import android.view.View;

diff --git a/src/com/android/settings/deviceinfo/firmwareversion/BasebandVersionDialogController.java b/src/com/android/settings/deviceinfo/firmwareversion/BasebandVersionDialogController.java
index c857f19..21663f6 100644
--- a/src/com/android/settings/deviceinfo/firmwareversion/BasebandVersionDialogController.java
+++ b/src/com/android/settings/deviceinfo/firmwareversion/BasebandVersionDialogController.java

@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.R;
 import com.android.settings.Utils;

diff --git a/src/com/android/settings/deviceinfo/firmwareversion/BuildNumberDialogController.java b/src/com/android/settings/deviceinfo/firmwareversion/BuildNumberDialogController.java
index d995867..6dc651a 100644
--- a/src/com/android/settings/deviceinfo/firmwareversion/BuildNumberDialogController.java
+++ b/src/com/android/settings/deviceinfo/firmwareversion/BuildNumberDialogController.java

@@ -17,7 +17,7 @@
 package com.android.settings.deviceinfo.firmwareversion;
 
 import android.os.Build;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.BidiFormatter;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionDialogController.java b/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionDialogController.java
index 5794e12..2770245 100644
--- a/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionDialogController.java
+++ b/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionDialogController.java

@@ -22,7 +22,7 @@
 import android.os.SystemClock;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 import android.view.View;
 

diff --git a/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionPreferenceController.java b/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionPreferenceController.java
index 7629890..785ec59 100644
--- a/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/firmwareversion/FirmwareVersionPreferenceController.java

@@ -19,8 +19,8 @@
 import android.app.Fragment;
 import android.content.Context;
 import android.os.Build;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/deviceinfo/firmwareversion/KernelVersionDialogController.java b/src/com/android/settings/deviceinfo/firmwareversion/KernelVersionDialogController.java
index d583e04..0d816d5 100644
--- a/src/com/android/settings/deviceinfo/firmwareversion/KernelVersionDialogController.java
+++ b/src/com/android/settings/deviceinfo/firmwareversion/KernelVersionDialogController.java

@@ -16,7 +16,7 @@
 
 package com.android.settings.deviceinfo.firmwareversion;
 
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.R;
 import com.android.settingslib.DeviceInfoUtils;

diff --git a/src/com/android/settings/deviceinfo/firmwareversion/SecurityPatchLevelDialogController.java b/src/com/android/settings/deviceinfo/firmwareversion/SecurityPatchLevelDialogController.java
index 01f440d..cf8ee61 100644
--- a/src/com/android/settings/deviceinfo/firmwareversion/SecurityPatchLevelDialogController.java
+++ b/src/com/android/settings/deviceinfo/firmwareversion/SecurityPatchLevelDialogController.java

@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.View;

diff --git a/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogController.java b/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogController.java
index f9555e2..71da4a3 100644
--- a/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogController.java
+++ b/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.content.res.Resources;
-import android.support.annotation.NonNull;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.NonNull;
+import androidx.annotation.VisibleForTesting;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;

diff --git a/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogFragment.java b/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogFragment.java
index 11e66f1..3cc90e4 100644
--- a/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogFragment.java
+++ b/src/com/android/settings/deviceinfo/imei/ImeiInfoDialogFragment.java

@@ -21,8 +21,8 @@
 import android.app.Fragment;
 import android.app.FragmentManager;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.NonNull;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;

diff --git a/src/com/android/settings/deviceinfo/imei/ImeiInfoPreferenceController.java b/src/com/android/settings/deviceinfo/imei/ImeiInfoPreferenceController.java
index 52ba94e..d673a28 100644
--- a/src/com/android/settings/deviceinfo/imei/ImeiInfoPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/imei/ImeiInfoPreferenceController.java

@@ -20,9 +20,9 @@
 
 import android.app.Fragment;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.TelephonyManager;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/deviceinfo/legal/LegalPreferenceController.java b/src/com/android/settings/deviceinfo/legal/LegalPreferenceController.java
index f64eb4b..1c03f19 100644
--- a/src/com/android/settings/deviceinfo/legal/LegalPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/legal/LegalPreferenceController.java

@@ -19,8 +19,8 @@
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.BasePreferenceController;
 

diff --git a/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogController.java b/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogController.java
index 7cbf318..114e4e4 100644
--- a/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogController.java
+++ b/src/com/android/settings/deviceinfo/simstatus/SimStatusDialogController.java

@@ -30,8 +30,8 @@
 import android.os.Bundle;
 import android.os.PersistableBundle;
 import android.os.UserHandle;
-import android.support.annotation.NonNull;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.NonNull;
+import androidx.annotation.VisibleForTesting;
 import android.telephony.CarrierConfigManager;
 import android.telephony.CellBroadcastMessage;
 import android.telephony.PhoneStateListener;

diff --git a/src/com/android/settings/deviceinfo/simstatus/SimStatusPreferenceController.java b/src/com/android/settings/deviceinfo/simstatus/SimStatusPreferenceController.java
index 00910e4..3f71471 100644
--- a/src/com/android/settings/deviceinfo/simstatus/SimStatusPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/simstatus/SimStatusPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.app.Fragment;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;

diff --git a/src/com/android/settings/deviceinfo/storage/AutomaticStorageManagementSwitchPreferenceController.java b/src/com/android/settings/deviceinfo/storage/AutomaticStorageManagementSwitchPreferenceController.java
index 7724b00..9207803 100644
--- a/src/com/android/settings/deviceinfo/storage/AutomaticStorageManagementSwitchPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/storage/AutomaticStorageManagementSwitchPreferenceController.java

@@ -21,8 +21,8 @@
 import android.content.Context;
 import android.os.SystemProperties;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/deviceinfo/storage/CachedStorageValuesHelper.java b/src/com/android/settings/deviceinfo/storage/CachedStorageValuesHelper.java
index 8225db3..f07af5e 100644
--- a/src/com/android/settings/deviceinfo/storage/CachedStorageValuesHelper.java
+++ b/src/com/android/settings/deviceinfo/storage/CachedStorageValuesHelper.java

@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.SparseArray;
 
 import com.android.settingslib.applications.StorageStatsSource;

diff --git a/src/com/android/settings/deviceinfo/storage/SecondaryUserController.java b/src/com/android/settings/deviceinfo/storage/SecondaryUserController.java
index d63436f..1eccb67 100644
--- a/src/com/android/settings/deviceinfo/storage/SecondaryUserController.java
+++ b/src/com/android/settings/deviceinfo/storage/SecondaryUserController.java

@@ -20,11 +20,11 @@
 import android.content.pm.UserInfo;
 import android.graphics.drawable.Drawable;
 import android.os.UserManager;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 import android.util.SparseArray;
 
 import com.android.settings.Utils;

diff --git a/src/com/android/settings/deviceinfo/storage/StorageItemPreferenceController.java b/src/com/android/settings/deviceinfo/storage/StorageItemPreferenceController.java
index 6b51be3..6ae4a6f 100644
--- a/src/com/android/settings/deviceinfo/storage/StorageItemPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/storage/StorageItemPreferenceController.java

@@ -26,9 +26,9 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.storage.VolumeInfo;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 import android.util.SparseArray;
 

diff --git a/src/com/android/settings/deviceinfo/storage/StorageSummaryDonutPreference.java b/src/com/android/settings/deviceinfo/storage/StorageSummaryDonutPreference.java
index d653f7c..4c8aa8d 100644
--- a/src/com/android/settings/deviceinfo/storage/StorageSummaryDonutPreference.java
+++ b/src/com/android/settings/deviceinfo/storage/StorageSummaryDonutPreference.java

@@ -21,8 +21,8 @@
 import android.graphics.Typeface;
 import android.os.storage.StorageManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.SpannableString;
 import android.text.Spanned;
 import android.text.TextPaint;

diff --git a/src/com/android/settings/deviceinfo/storage/StorageSummaryDonutPreferenceController.java b/src/com/android/settings/deviceinfo/storage/StorageSummaryDonutPreferenceController.java
index 24fd2ee..f4c33be 100644
--- a/src/com/android/settings/deviceinfo/storage/StorageSummaryDonutPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/storage/StorageSummaryDonutPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.storage.VolumeInfo;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.text.format.Formatter;
 

diff --git a/src/com/android/settings/deviceinfo/storage/UserProfileController.java b/src/com/android/settings/deviceinfo/storage/UserProfileController.java
index 05856cb..65a29d2 100644
--- a/src/com/android/settings/deviceinfo/storage/UserProfileController.java
+++ b/src/com/android/settings/deviceinfo/storage/UserProfileController.java

@@ -21,8 +21,8 @@
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.storage.VolumeInfo;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.SparseArray;
 
 import com.android.internal.logging.nano.MetricsProto;

diff --git a/src/com/android/settings/deviceinfo/storage/VolumeSizesLoader.java b/src/com/android/settings/deviceinfo/storage/VolumeSizesLoader.java
index 236f55f..a9b047c 100644
--- a/src/com/android/settings/deviceinfo/storage/VolumeSizesLoader.java
+++ b/src/com/android/settings/deviceinfo/storage/VolumeSizesLoader.java

@@ -19,7 +19,7 @@
 import android.app.usage.StorageStatsManager;
 import android.content.Context;
 import android.os.storage.VolumeInfo;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settingslib.deviceinfo.PrivateStorageInfo;
 import com.android.settingslib.deviceinfo.StorageVolumeProvider;

diff --git a/src/com/android/settings/display/AmbientDisplayNotificationsPreferenceController.java b/src/com/android/settings/display/AmbientDisplayNotificationsPreferenceController.java
index 15eb8b3..5caad6d 100644
--- a/src/com/android/settings/display/AmbientDisplayNotificationsPreferenceController.java
+++ b/src/com/android/settings/display/AmbientDisplayNotificationsPreferenceController.java

@@ -21,8 +21,8 @@
 import android.content.Intent;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.internal.hardware.AmbientDisplayConfiguration;
 import com.android.settings.R;

diff --git a/src/com/android/settings/display/AmbientDisplayPreferenceController.java b/src/com/android/settings/display/AmbientDisplayPreferenceController.java
index 62223b0..f429b0df 100644
--- a/src/com/android/settings/display/AmbientDisplayPreferenceController.java
+++ b/src/com/android/settings/display/AmbientDisplayPreferenceController.java

@@ -17,7 +17,7 @@
 
 import android.content.Context;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.hardware.AmbientDisplayConfiguration;
 import com.android.settings.R;

diff --git a/src/com/android/settings/display/AppGridView.java b/src/com/android/settings/display/AppGridView.java
index 4b814d0..0027537 100644
--- a/src/com/android/settings/display/AppGridView.java
+++ b/src/com/android/settings/display/AppGridView.java

@@ -22,7 +22,7 @@
 import android.content.pm.ResolveInfo;
 import android.graphics.drawable.Drawable;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.AttributeSet;
 import android.util.IconDrawableFactory;
 import android.view.View;

diff --git a/src/com/android/settings/display/AutoRotatePreferenceController.java b/src/com/android/settings/display/AutoRotatePreferenceController.java
index 596e2c6..5241e64 100644
--- a/src/com/android/settings/display/AutoRotatePreferenceController.java
+++ b/src/com/android/settings/display/AutoRotatePreferenceController.java

@@ -14,7 +14,7 @@
 package com.android.settings.display;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.internal.view.RotationPolicy;

diff --git a/src/com/android/settings/display/BatteryPercentagePreferenceController.java b/src/com/android/settings/display/BatteryPercentagePreferenceController.java
index 4493158..632e339 100644
--- a/src/com/android/settings/display/BatteryPercentagePreferenceController.java
+++ b/src/com/android/settings/display/BatteryPercentagePreferenceController.java

@@ -17,8 +17,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.SwitchPreference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;

diff --git a/src/com/android/settings/display/BrightnessLevelPreferenceController.java b/src/com/android/settings/display/BrightnessLevelPreferenceController.java
index bbd6f80..e0aeda1 100644
--- a/src/com/android/settings/display/BrightnessLevelPreferenceController.java
+++ b/src/com/android/settings/display/BrightnessLevelPreferenceController.java

@@ -25,9 +25,9 @@
 import android.provider.Settings;
 import android.provider.Settings.System;
 import android.service.vr.IVrManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/display/CameraGesturePreferenceController.java b/src/com/android/settings/display/CameraGesturePreferenceController.java
index d991302..9b1b2c2 100644
--- a/src/com/android/settings/display/CameraGesturePreferenceController.java
+++ b/src/com/android/settings/display/CameraGesturePreferenceController.java

@@ -16,8 +16,8 @@
 import android.content.Context;
 import android.os.SystemProperties;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;

diff --git a/src/com/android/settings/display/ColorModePreferenceFragment.java b/src/com/android/settings/display/ColorModePreferenceFragment.java
index 9f947e9..f3873e2 100644
--- a/src/com/android/settings/display/ColorModePreferenceFragment.java
+++ b/src/com/android/settings/display/ColorModePreferenceFragment.java

@@ -15,8 +15,8 @@
 
 import android.content.Context;
 import android.graphics.drawable.Drawable;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.app.ColorDisplayController;
 import com.android.internal.logging.nano.MetricsProto;

diff --git a/src/com/android/settings/display/LiftToWakePreferenceController.java b/src/com/android/settings/display/LiftToWakePreferenceController.java
index 7c2206b..42feda2 100644
--- a/src/com/android/settings/display/LiftToWakePreferenceController.java
+++ b/src/com/android/settings/display/LiftToWakePreferenceController.java

@@ -17,8 +17,8 @@
 import android.hardware.Sensor;
 import android.hardware.SensorManager;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;

diff --git a/src/com/android/settings/display/NightDisplayPreference.java b/src/com/android/settings/display/NightDisplayPreference.java
index ea39f75..0992887 100644
--- a/src/com/android/settings/display/NightDisplayPreference.java
+++ b/src/com/android/settings/display/NightDisplayPreference.java

@@ -15,7 +15,7 @@
 package com.android.settings.display;
 
 import android.content.Context;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.SwitchPreference;
 import android.util.AttributeSet;
 
 import com.android.internal.app.ColorDisplayController;

diff --git a/src/com/android/settings/display/NightDisplaySettings.java b/src/com/android/settings/display/NightDisplaySettings.java
index add4443..b2e6ba6 100644
--- a/src/com/android/settings/display/NightDisplaySettings.java
+++ b/src/com/android/settings/display/NightDisplaySettings.java

@@ -21,9 +21,9 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
-import android.support.v7.preference.DropDownPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.DropDownPreference;
+import androidx.preference.Preference;
+import androidx.preference.TwoStatePreference;
 
 import com.android.internal.app.ColorDisplayController;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;

diff --git a/src/com/android/settings/display/NightModePreferenceController.java b/src/com/android/settings/display/NightModePreferenceController.java
index 96ef938..41620ea 100644
--- a/src/com/android/settings/display/NightModePreferenceController.java
+++ b/src/com/android/settings/display/NightModePreferenceController.java

@@ -17,9 +17,9 @@
 
 import android.app.UiModeManager;
 import android.content.Context;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/display/ScreenSaverPreferenceController.java b/src/com/android/settings/display/ScreenSaverPreferenceController.java
index 6866f39..ae44bf3 100644
--- a/src/com/android/settings/display/ScreenSaverPreferenceController.java
+++ b/src/com/android/settings/display/ScreenSaverPreferenceController.java

@@ -14,7 +14,7 @@
 package com.android.settings.display;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settings.dream.DreamSettings;

diff --git a/src/com/android/settings/display/ScreenZoomPreference.java b/src/com/android/settings/display/ScreenZoomPreference.java
index 9fe082d..8451a2d 100644
--- a/src/com/android/settings/display/ScreenZoomPreference.java
+++ b/src/com/android/settings/display/ScreenZoomPreference.java

@@ -17,8 +17,8 @@
 package com.android.settings.display;
 
 import android.content.Context;
-import android.support.v4.content.res.TypedArrayUtils;
-import android.support.v7.preference.Preference;
+import androidx.core.content.res.TypedArrayUtils;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 
@@ -31,7 +31,7 @@
 public class ScreenZoomPreference extends Preference {
     public ScreenZoomPreference(Context context, AttributeSet attrs) {
         super(context, attrs, TypedArrayUtils.getAttr(context,
-                android.support.v7.preference.R.attr.preferenceStyle,
+                androidx.preference.R.attr.preferenceStyle,
                 android.R.attr.preferenceStyle));
 
         final DisplayDensityUtils density = new DisplayDensityUtils(context);

diff --git a/src/com/android/settings/display/ShowOperatorNamePreferenceController.java b/src/com/android/settings/display/ShowOperatorNamePreferenceController.java
index 4573c6d..cdb89fb 100644
--- a/src/com/android/settings/display/ShowOperatorNamePreferenceController.java
+++ b/src/com/android/settings/display/ShowOperatorNamePreferenceController.java

@@ -15,8 +15,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/display/TapToWakePreferenceController.java b/src/com/android/settings/display/TapToWakePreferenceController.java
index c5a387d..ff149ba 100644
--- a/src/com/android/settings/display/TapToWakePreferenceController.java
+++ b/src/com/android/settings/display/TapToWakePreferenceController.java

@@ -15,8 +15,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;

diff --git a/src/com/android/settings/display/ThemePreferenceController.java b/src/com/android/settings/display/ThemePreferenceController.java
index 1bc49b6..2cdf7e2 100644
--- a/src/com/android/settings/display/ThemePreferenceController.java
+++ b/src/com/android/settings/display/ThemePreferenceController.java

@@ -20,9 +20,9 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/display/TimeoutPreferenceController.java b/src/com/android/settings/display/TimeoutPreferenceController.java
index 07146f9..b2a638e 100644
--- a/src/com/android/settings/display/TimeoutPreferenceController.java
+++ b/src/com/android/settings/display/TimeoutPreferenceController.java

@@ -20,7 +20,7 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/display/VrDisplayPreferenceController.java b/src/com/android/settings/display/VrDisplayPreferenceController.java
index 7fdb19f..9ff2861 100644
--- a/src/com/android/settings/display/VrDisplayPreferenceController.java
+++ b/src/com/android/settings/display/VrDisplayPreferenceController.java

@@ -17,7 +17,7 @@
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/display/WallpaperPreferenceController.java b/src/com/android/settings/display/WallpaperPreferenceController.java
index 9410b5a..3c0e947 100644
--- a/src/com/android/settings/display/WallpaperPreferenceController.java
+++ b/src/com/android/settings/display/WallpaperPreferenceController.java

@@ -19,7 +19,7 @@
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.Log;
 

diff --git a/src/com/android/settings/dream/CurrentDreamPreferenceController.java b/src/com/android/settings/dream/CurrentDreamPreferenceController.java
index 86143dd..fe33365 100644
--- a/src/com/android/settings/dream/CurrentDreamPreferenceController.java
+++ b/src/com/android/settings/dream/CurrentDreamPreferenceController.java

@@ -17,7 +17,7 @@
 package com.android.settings.dream;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settings.widget.GearPreference;
 import com.android.settingslib.core.AbstractPreferenceController;

diff --git a/src/com/android/settings/dream/DreamSettings.java b/src/com/android/settings/dream/DreamSettings.java
index 97f2c89..bb81162 100644
--- a/src/com/android/settings/dream/DreamSettings.java
+++ b/src/com/android/settings/dream/DreamSettings.java

@@ -23,7 +23,7 @@
 
 import android.content.Context;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;

diff --git a/src/com/android/settings/dream/StartNowPreferenceController.java b/src/com/android/settings/dream/StartNowPreferenceController.java
index 256961b..0a6c1b6 100644
--- a/src/com/android/settings/dream/StartNowPreferenceController.java
+++ b/src/com/android/settings/dream/StartNowPreferenceController.java

@@ -17,8 +17,8 @@
 package com.android.settings.dream;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.widget.Button;
 import com.android.settings.R;
 import com.android.settings.applications.LayoutPreference;

diff --git a/src/com/android/settings/dream/WhenToDreamPreferenceController.java b/src/com/android/settings/dream/WhenToDreamPreferenceController.java
index c4c6ed8..702812e 100644
--- a/src/com/android/settings/dream/WhenToDreamPreferenceController.java
+++ b/src/com/android/settings/dream/WhenToDreamPreferenceController.java

@@ -17,7 +17,7 @@
 package com.android.settings.dream;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;
 import com.android.settingslib.dream.DreamBackend;

diff --git a/src/com/android/settings/enterprise/ActionDisabledByAdminDialog.java b/src/com/android/settings/enterprise/ActionDisabledByAdminDialog.java
index 37c5124..104b216 100644
--- a/src/com/android/settings/enterprise/ActionDisabledByAdminDialog.java
+++ b/src/com/android/settings/enterprise/ActionDisabledByAdminDialog.java

@@ -51,7 +51,7 @@
         mDialogHelper.updateDialog(restriction, admin);
     }
 
-    @android.support.annotation.VisibleForTesting
+    @androidx.annotation.VisibleForTesting
     EnforcedAdmin getAdminDetailsFromIntent(Intent intent) {
         final EnforcedAdmin admin = new EnforcedAdmin(null, UserHandle.myUserId());
         if (intent == null) {
@@ -62,7 +62,7 @@
         return admin;
     }
 
-    @android.support.annotation.VisibleForTesting
+    @androidx.annotation.VisibleForTesting
     String getRestrictionFromIntent(Intent intent) {
         if (intent == null) return null;
         return intent.getStringExtra(DevicePolicyManager.EXTRA_RESTRICTION);

diff --git a/src/com/android/settings/enterprise/ActionDisabledByAdminDialogHelper.java b/src/com/android/settings/enterprise/ActionDisabledByAdminDialogHelper.java
index 528ab3f..026b79f 100644
--- a/src/com/android/settings/enterprise/ActionDisabledByAdminDialogHelper.java
+++ b/src/com/android/settings/enterprise/ActionDisabledByAdminDialogHelper.java

@@ -26,7 +26,7 @@
 import android.os.Process;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.IconDrawableFactory;
 import android.view.LayoutInflater;
 import android.view.View;

diff --git a/src/com/android/settings/enterprise/AdminActionPreferenceControllerBase.java b/src/com/android/settings/enterprise/AdminActionPreferenceControllerBase.java
index 05e9519..520c436 100644
--- a/src/com/android/settings/enterprise/AdminActionPreferenceControllerBase.java
+++ b/src/com/android/settings/enterprise/AdminActionPreferenceControllerBase.java

@@ -15,7 +15,7 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.format.DateUtils;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/enterprise/AdminGrantedPermissionsPreferenceControllerBase.java b/src/com/android/settings/enterprise/AdminGrantedPermissionsPreferenceControllerBase.java
index dd5ab34..93ed102 100644
--- a/src/com/android/settings/enterprise/AdminGrantedPermissionsPreferenceControllerBase.java
+++ b/src/com/android/settings/enterprise/AdminGrantedPermissionsPreferenceControllerBase.java

@@ -16,7 +16,7 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.applications.ApplicationFeatureProvider;

diff --git a/src/com/android/settings/enterprise/AlwaysOnVpnCurrentUserPreferenceController.java b/src/com/android/settings/enterprise/AlwaysOnVpnCurrentUserPreferenceController.java
index 883fd36..7b6d5df 100644
--- a/src/com/android/settings/enterprise/AlwaysOnVpnCurrentUserPreferenceController.java
+++ b/src/com/android/settings/enterprise/AlwaysOnVpnCurrentUserPreferenceController.java

@@ -14,7 +14,7 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/enterprise/ApplicationListPreferenceController.java b/src/com/android/settings/enterprise/ApplicationListPreferenceController.java
index 8be7944..07a39e3 100644
--- a/src/com/android/settings/enterprise/ApplicationListPreferenceController.java
+++ b/src/com/android/settings/enterprise/ApplicationListPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.content.pm.PackageManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.IconDrawableFactory;
 
 import com.android.settings.SettingsPreferenceFragment;

diff --git a/src/com/android/settings/enterprise/CaCertsCurrentUserPreferenceController.java b/src/com/android/settings/enterprise/CaCertsCurrentUserPreferenceController.java
index e328fc5..6e81482 100644
--- a/src/com/android/settings/enterprise/CaCertsCurrentUserPreferenceController.java
+++ b/src/com/android/settings/enterprise/CaCertsCurrentUserPreferenceController.java

@@ -15,8 +15,8 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 

diff --git a/src/com/android/settings/enterprise/CaCertsManagedProfilePreferenceController.java b/src/com/android/settings/enterprise/CaCertsManagedProfilePreferenceController.java
index 94b923f..2d3f41a 100644
--- a/src/com/android/settings/enterprise/CaCertsManagedProfilePreferenceController.java
+++ b/src/com/android/settings/enterprise/CaCertsManagedProfilePreferenceController.java

@@ -15,7 +15,7 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 public class CaCertsManagedProfilePreferenceController extends CaCertsPreferenceControllerBase {
 

diff --git a/src/com/android/settings/enterprise/CaCertsPreferenceControllerBase.java b/src/com/android/settings/enterprise/CaCertsPreferenceControllerBase.java
index b9df20a..4220ccc 100644
--- a/src/com/android/settings/enterprise/CaCertsPreferenceControllerBase.java
+++ b/src/com/android/settings/enterprise/CaCertsPreferenceControllerBase.java

@@ -15,7 +15,7 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/enterprise/EnterpriseInstalledPackagesPreferenceController.java b/src/com/android/settings/enterprise/EnterpriseInstalledPackagesPreferenceController.java
index 1086c0e..9e8574f 100644
--- a/src/com/android/settings/enterprise/EnterpriseInstalledPackagesPreferenceController.java
+++ b/src/com/android/settings/enterprise/EnterpriseInstalledPackagesPreferenceController.java

@@ -14,7 +14,7 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.applications.ApplicationFeatureProvider;

diff --git a/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceController.java b/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceController.java
index 11fc29e..e0c287d 100644
--- a/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceController.java
+++ b/src/com/android/settings/enterprise/EnterprisePrivacyPreferenceController.java

@@ -14,7 +14,7 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsListPreferenceController.java b/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsListPreferenceController.java
index 0927299..876d706 100644
--- a/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsListPreferenceController.java
+++ b/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsListPreferenceController.java

@@ -21,10 +21,10 @@
 import android.content.pm.PackageManager;
 import android.content.pm.UserInfo;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;

diff --git a/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceController.java b/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceController.java
index 0f9584b..63a552d 100644
--- a/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceController.java
+++ b/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceController.java

@@ -16,7 +16,7 @@
 
 import android.content.Context;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.applications.ApplicationFeatureProvider;

diff --git a/src/com/android/settings/enterprise/FailedPasswordWipePreferenceControllerBase.java b/src/com/android/settings/enterprise/FailedPasswordWipePreferenceControllerBase.java
index 3c78c21..2a2a94e 100644
--- a/src/com/android/settings/enterprise/FailedPasswordWipePreferenceControllerBase.java
+++ b/src/com/android/settings/enterprise/FailedPasswordWipePreferenceControllerBase.java

@@ -15,7 +15,7 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/enterprise/ImePreferenceController.java b/src/com/android/settings/enterprise/ImePreferenceController.java
index 7a4ea2c..fa4e7aa 100644
--- a/src/com/android/settings/enterprise/ImePreferenceController.java
+++ b/src/com/android/settings/enterprise/ImePreferenceController.java

@@ -15,7 +15,7 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/enterprise/ManageDeviceAdminPreferenceController.java b/src/com/android/settings/enterprise/ManageDeviceAdminPreferenceController.java
index 7cfe7a9..e4f2e76 100644
--- a/src/com/android/settings/enterprise/ManageDeviceAdminPreferenceController.java
+++ b/src/com/android/settings/enterprise/ManageDeviceAdminPreferenceController.java

@@ -14,7 +14,7 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/fingerprint/FingerprintEnrollFindSensor.java b/src/com/android/settings/fingerprint/FingerprintEnrollFindSensor.java
index 65be08a..95a534c 100644
--- a/src/com/android/settings/fingerprint/FingerprintEnrollFindSensor.java
+++ b/src/com/android/settings/fingerprint/FingerprintEnrollFindSensor.java

@@ -20,7 +20,7 @@
 import android.hardware.fingerprint.FingerprintManager;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.view.View;
 import android.widget.Button;
 

diff --git a/src/com/android/settings/fingerprint/FingerprintLocationAnimationVideoView.java b/src/com/android/settings/fingerprint/FingerprintLocationAnimationVideoView.java
index ab3ea37..226d718 100644
--- a/src/com/android/settings/fingerprint/FingerprintLocationAnimationVideoView.java
+++ b/src/com/android/settings/fingerprint/FingerprintLocationAnimationVideoView.java

@@ -24,7 +24,7 @@
 import android.media.MediaPlayer.OnInfoListener;
 import android.media.MediaPlayer.OnPreparedListener;
 import android.net.Uri;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.AttributeSet;
 import android.view.Surface;
 import android.view.TextureView;

diff --git a/src/com/android/settings/fingerprint/FingerprintSettings.java b/src/com/android/settings/fingerprint/FingerprintSettings.java
index 6eaf3d2..5e301da 100644
--- a/src/com/android/settings/fingerprint/FingerprintSettings.java
+++ b/src/com/android/settings/fingerprint/FingerprintSettings.java

@@ -31,12 +31,12 @@
 import android.os.Handler;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.View;

diff --git a/src/com/android/settings/fingerprint/FingerprintStatusPreferenceController.java b/src/com/android/settings/fingerprint/FingerprintStatusPreferenceController.java
index 19eb4bb..ce15f61 100644
--- a/src/com/android/settings/fingerprint/FingerprintStatusPreferenceController.java
+++ b/src/com/android/settings/fingerprint/FingerprintStatusPreferenceController.java

@@ -22,7 +22,7 @@
 import android.hardware.fingerprint.FingerprintManager;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.R;

diff --git a/src/com/android/settings/fingerprint/SetupFingerprintEnrollFindSensor.java b/src/com/android/settings/fingerprint/SetupFingerprintEnrollFindSensor.java
index 2137130..78dcb80 100644
--- a/src/com/android/settings/fingerprint/SetupFingerprintEnrollFindSensor.java
+++ b/src/com/android/settings/fingerprint/SetupFingerprintEnrollFindSensor.java

@@ -24,7 +24,7 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;

diff --git a/src/com/android/settings/fuelgauge/AdvancedPowerUsageDetail.java b/src/com/android/settings/fuelgauge/AdvancedPowerUsageDetail.java
index 683395e..badcb53 100644
--- a/src/com/android/settings/fuelgauge/AdvancedPowerUsageDetail.java
+++ b/src/com/android/settings/fuelgauge/AdvancedPowerUsageDetail.java

@@ -29,8 +29,8 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.View;

diff --git a/src/com/android/settings/fuelgauge/AppButtonsPreferenceController.java b/src/com/android/settings/fuelgauge/AppButtonsPreferenceController.java
index 8c4b4d8..add6023 100644
--- a/src/com/android/settings/fuelgauge/AppButtonsPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/AppButtonsPreferenceController.java

@@ -37,8 +37,8 @@
 import android.os.ServiceManager;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 import android.view.View;
 import android.webkit.IWebViewUpdateService;

diff --git a/src/com/android/settings/fuelgauge/AutoRestrictionPreferenceController.java b/src/com/android/settings/fuelgauge/AutoRestrictionPreferenceController.java
index e8e5ad9..020c5ea 100644
--- a/src/com/android/settings/fuelgauge/AutoRestrictionPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/AutoRestrictionPreferenceController.java

@@ -17,8 +17,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.overlay.FeatureFactory;

diff --git a/src/com/android/settings/fuelgauge/BackgroundActivityPreferenceController.java b/src/com/android/settings/fuelgauge/BackgroundActivityPreferenceController.java
index 3675a83..362325a 100644
--- a/src/com/android/settings/fuelgauge/BackgroundActivityPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/BackgroundActivityPreferenceController.java

@@ -18,8 +18,8 @@
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.Utils;

diff --git a/src/com/android/settings/fuelgauge/BatteryAppListPreferenceController.java b/src/com/android/settings/fuelgauge/BatteryAppListPreferenceController.java
index b5b98c35..e2633a8 100644
--- a/src/com/android/settings/fuelgauge/BatteryAppListPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/BatteryAppListPreferenceController.java

@@ -27,10 +27,10 @@
 import android.os.Process;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.text.format.DateUtils;
 import android.util.ArrayMap;

diff --git a/src/com/android/settings/fuelgauge/BatteryBroadcastReceiver.java b/src/com/android/settings/fuelgauge/BatteryBroadcastReceiver.java
index ca4742d..c051604 100644
--- a/src/com/android/settings/fuelgauge/BatteryBroadcastReceiver.java
+++ b/src/com/android/settings/fuelgauge/BatteryBroadcastReceiver.java

@@ -21,7 +21,7 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.os.PowerManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.Utils;
 

diff --git a/src/com/android/settings/fuelgauge/BatteryHeaderPreferenceController.java b/src/com/android/settings/fuelgauge/BatteryHeaderPreferenceController.java
index 139c8f4..7038fad 100644
--- a/src/com/android/settings/fuelgauge/BatteryHeaderPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/BatteryHeaderPreferenceController.java

@@ -22,9 +22,9 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.os.BatteryManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.PreferenceScreen;
 import android.widget.TextView;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/fuelgauge/BatteryHistoryPreference.java b/src/com/android/settings/fuelgauge/BatteryHistoryPreference.java
index b944577..6ef0957 100644
--- a/src/com/android/settings/fuelgauge/BatteryHistoryPreference.java
+++ b/src/com/android/settings/fuelgauge/BatteryHistoryPreference.java

@@ -17,9 +17,9 @@
 package com.android.settings.fuelgauge;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.TextView;

diff --git a/src/com/android/settings/fuelgauge/BatteryInfo.java b/src/com/android/settings/fuelgauge/BatteryInfo.java
index 20c4323..9afaaba 100644
--- a/src/com/android/settings/fuelgauge/BatteryInfo.java
+++ b/src/com/android/settings/fuelgauge/BatteryInfo.java

@@ -24,7 +24,7 @@
 import android.os.BatteryStats.HistoryItem;
 import android.os.Bundle;
 import android.os.SystemClock;
-import android.support.annotation.WorkerThread;
+import androidx.annotation.WorkerThread;
 import android.text.format.Formatter;
 import android.util.SparseIntArray;
 

diff --git a/src/com/android/settings/fuelgauge/BatteryMeterView.java b/src/com/android/settings/fuelgauge/BatteryMeterView.java
index 9f1e115..bd7586b 100644
--- a/src/com/android/settings/fuelgauge/BatteryMeterView.java
+++ b/src/com/android/settings/fuelgauge/BatteryMeterView.java

@@ -22,7 +22,7 @@
 import android.graphics.ColorFilter;
 import android.graphics.PorterDuff;
 import android.graphics.PorterDuffColorFilter;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.AttributeSet;
 import android.widget.ImageView;
 

diff --git a/src/com/android/settings/fuelgauge/BatteryOptimizationPreferenceController.java b/src/com/android/settings/fuelgauge/BatteryOptimizationPreferenceController.java
index ab3ce8d..0f772ff 100644
--- a/src/com/android/settings/fuelgauge/BatteryOptimizationPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/BatteryOptimizationPreferenceController.java

@@ -15,8 +15,8 @@
 package com.android.settings.fuelgauge;
 
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.Settings;

diff --git a/src/com/android/settings/fuelgauge/BatterySaverController.java b/src/com/android/settings/fuelgauge/BatterySaverController.java
index 4042e79..8b32a9c 100644
--- a/src/com/android/settings/fuelgauge/BatterySaverController.java
+++ b/src/com/android/settings/fuelgauge/BatterySaverController.java

@@ -21,9 +21,9 @@
 import android.os.Looper;
 import android.os.PowerManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.Utils;

diff --git a/src/com/android/settings/fuelgauge/BatteryStatsHelperLoader.java b/src/com/android/settings/fuelgauge/BatteryStatsHelperLoader.java
index 28585ae..addd309 100644
--- a/src/com/android/settings/fuelgauge/BatteryStatsHelperLoader.java
+++ b/src/com/android/settings/fuelgauge/BatteryStatsHelperLoader.java

@@ -20,7 +20,7 @@
 import android.os.BatteryStats;
 import android.os.Bundle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.os.BatteryStatsHelper;
 import com.android.settingslib.utils.AsyncLoader;

diff --git a/src/com/android/settings/fuelgauge/BatteryUtils.java b/src/com/android/settings/fuelgauge/BatteryUtils.java
index 639c1fb..355dab9 100644
--- a/src/com/android/settings/fuelgauge/BatteryUtils.java
+++ b/src/com/android/settings/fuelgauge/BatteryUtils.java

@@ -30,11 +30,11 @@
 import android.os.SystemClock;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.IntDef;
-import android.support.annotation.Nullable;
-import android.support.annotation.StringRes;
-import android.support.annotation.VisibleForTesting;
-import android.support.annotation.WorkerThread;
+import androidx.annotation.IntDef;
+import androidx.annotation.Nullable;
+import androidx.annotation.StringRes;
+import androidx.annotation.VisibleForTesting;
+import androidx.annotation.WorkerThread;
 import android.text.TextUtils;
 import android.text.format.DateUtils;
 import android.util.Log;

diff --git a/src/com/android/settings/fuelgauge/ButtonActionDialogFragment.java b/src/com/android/settings/fuelgauge/ButtonActionDialogFragment.java
index b17cd54..f4784a9 100644
--- a/src/com/android/settings/fuelgauge/ButtonActionDialogFragment.java
+++ b/src/com/android/settings/fuelgauge/ButtonActionDialogFragment.java

@@ -6,8 +6,8 @@
 import android.content.Context;
 import android.content.DialogInterface;
 import android.os.Bundle;
-import android.support.annotation.IntDef;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.IntDef;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;

diff --git a/src/com/android/settings/fuelgauge/InactiveApps.java b/src/com/android/settings/fuelgauge/InactiveApps.java
index ac09a57..f93cffc 100644
--- a/src/com/android/settings/fuelgauge/InactiveApps.java
+++ b/src/com/android/settings/fuelgauge/InactiveApps.java

@@ -30,10 +30,10 @@
 import android.content.pm.ResolveInfo;
 import android.content.res.Resources;
 import android.os.Bundle;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceGroup;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;

diff --git a/src/com/android/settings/fuelgauge/PowerGaugePreference.java b/src/com/android/settings/fuelgauge/PowerGaugePreference.java
index 93e33cc..95ff45c 100644
--- a/src/com/android/settings/fuelgauge/PowerGaugePreference.java
+++ b/src/com/android/settings/fuelgauge/PowerGaugePreference.java

@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.widget.TextView;
 

diff --git a/src/com/android/settings/fuelgauge/PowerUsageAdvanced.java b/src/com/android/settings/fuelgauge/PowerUsageAdvanced.java
index cf80196..a318e16 100644
--- a/src/com/android/settings/fuelgauge/PowerUsageAdvanced.java
+++ b/src/com/android/settings/fuelgauge/PowerUsageAdvanced.java

@@ -19,7 +19,7 @@
 import android.os.BatteryManager;
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;

diff --git a/src/com/android/settings/fuelgauge/PowerUsageAnomalyDetails.java b/src/com/android/settings/fuelgauge/PowerUsageAnomalyDetails.java
index abfb22b..cd34a47 100644
--- a/src/com/android/settings/fuelgauge/PowerUsageAnomalyDetails.java
+++ b/src/com/android/settings/fuelgauge/PowerUsageAnomalyDetails.java

@@ -21,8 +21,8 @@
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
 import android.util.IconDrawableFactory;
 
 import com.android.internal.annotations.VisibleForTesting;

diff --git a/src/com/android/settings/fuelgauge/PowerUsageBase.java b/src/com/android/settings/fuelgauge/PowerUsageBase.java
index b811f20..f924e46 100644
--- a/src/com/android/settings/fuelgauge/PowerUsageBase.java
+++ b/src/com/android/settings/fuelgauge/PowerUsageBase.java

@@ -21,7 +21,7 @@
 import android.content.Loader;
 import android.os.Bundle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.view.Menu;
 
 import com.android.internal.os.BatteryStatsHelper;

diff --git a/src/com/android/settings/fuelgauge/PowerUsageSummary.java b/src/com/android/settings/fuelgauge/PowerUsageSummary.java
index e314dde..9bf65d9 100644
--- a/src/com/android/settings/fuelgauge/PowerUsageSummary.java
+++ b/src/com/android/settings/fuelgauge/PowerUsageSummary.java

@@ -24,7 +24,7 @@
 import android.os.BatteryStats;
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.format.Formatter;
 import android.util.SparseArray;
 import android.view.Menu;

diff --git a/src/com/android/settings/fuelgauge/RestrictAppPreferenceController.java b/src/com/android/settings/fuelgauge/RestrictAppPreferenceController.java
index 7fdf829..2b32da1 100644
--- a/src/com/android/settings/fuelgauge/RestrictAppPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/RestrictAppPreferenceController.java

@@ -21,8 +21,8 @@
 import android.content.Context;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;

diff --git a/src/com/android/settings/fuelgauge/RestrictedAppDetails.java b/src/com/android/settings/fuelgauge/RestrictedAppDetails.java
index 96fafb3..58205cb 100644
--- a/src/com/android/settings/fuelgauge/RestrictedAppDetails.java
+++ b/src/com/android/settings/fuelgauge/RestrictedAppDetails.java

@@ -23,9 +23,9 @@
 import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.v7.preference.CheckBoxPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.preference.CheckBoxPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
 import android.util.IconDrawableFactory;
 
 import com.android.internal.annotations.VisibleForTesting;

diff --git a/src/com/android/settings/fuelgauge/SmartBatteryPreferenceController.java b/src/com/android/settings/fuelgauge/SmartBatteryPreferenceController.java
index 8b99a43..fdbd35f 100644
--- a/src/com/android/settings/fuelgauge/SmartBatteryPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/SmartBatteryPreferenceController.java

@@ -19,8 +19,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.overlay.FeatureFactory;

diff --git a/src/com/android/settings/fuelgauge/anomaly/Anomaly.java b/src/com/android/settings/fuelgauge/anomaly/Anomaly.java
index b070b26..edbc14f 100644
--- a/src/com/android/settings/fuelgauge/anomaly/Anomaly.java
+++ b/src/com/android/settings/fuelgauge/anomaly/Anomaly.java

@@ -18,7 +18,7 @@
 
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.IntDef;
+import androidx.annotation.IntDef;
 import android.text.TextUtils;
 
 import java.lang.annotation.Retention;

diff --git a/src/com/android/settings/fuelgauge/anomaly/AnomalyDetectionPolicy.java b/src/com/android/settings/fuelgauge/anomaly/AnomalyDetectionPolicy.java
index 0f95a39..55d9721 100644
--- a/src/com/android/settings/fuelgauge/anomaly/AnomalyDetectionPolicy.java
+++ b/src/com/android/settings/fuelgauge/anomaly/AnomalyDetectionPolicy.java

@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.net.Uri;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.format.DateUtils;
 import android.util.KeyValueListParser;
 import android.util.Log;

diff --git a/src/com/android/settings/fuelgauge/anomaly/AnomalyDialogFragment.java b/src/com/android/settings/fuelgauge/anomaly/AnomalyDialogFragment.java
index 538f5b1..918f98a 100644
--- a/src/com/android/settings/fuelgauge/anomaly/AnomalyDialogFragment.java
+++ b/src/com/android/settings/fuelgauge/anomaly/AnomalyDialogFragment.java

@@ -21,7 +21,7 @@
 import android.content.Context;
 import android.content.DialogInterface;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;

diff --git a/src/com/android/settings/fuelgauge/anomaly/AnomalyLoader.java b/src/com/android/settings/fuelgauge/anomaly/AnomalyLoader.java
index f26b742..fbd7ded 100644
--- a/src/com/android/settings/fuelgauge/anomaly/AnomalyLoader.java
+++ b/src/com/android/settings/fuelgauge/anomaly/AnomalyLoader.java

@@ -21,7 +21,7 @@
 import android.os.BatteryStats;
 import android.os.Bundle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.internal.os.BatteryStatsHelper;

diff --git a/src/com/android/settings/fuelgauge/anomaly/AnomalyPreference.java b/src/com/android/settings/fuelgauge/anomaly/AnomalyPreference.java
index 9884fbd..a54b02e 100644
--- a/src/com/android/settings/fuelgauge/anomaly/AnomalyPreference.java
+++ b/src/com/android/settings/fuelgauge/anomaly/AnomalyPreference.java

@@ -1,7 +1,7 @@
 package com.android.settings.fuelgauge.anomaly;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 

diff --git a/src/com/android/settings/fuelgauge/anomaly/AnomalySummaryPreferenceController.java b/src/com/android/settings/fuelgauge/anomaly/AnomalySummaryPreferenceController.java
index a3eefa5..dd90d89 100644
--- a/src/com/android/settings/fuelgauge/anomaly/AnomalySummaryPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/anomaly/AnomalySummaryPreferenceController.java

@@ -17,8 +17,8 @@
 package com.android.settings.fuelgauge.anomaly;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;

diff --git a/src/com/android/settings/fuelgauge/anomaly/AnomalyUtils.java b/src/com/android/settings/fuelgauge/anomaly/AnomalyUtils.java
index 3dde95e..2926547 100644
--- a/src/com/android/settings/fuelgauge/anomaly/AnomalyUtils.java
+++ b/src/com/android/settings/fuelgauge/anomaly/AnomalyUtils.java

@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.os.Build;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Pair;
 import android.util.SparseIntArray;
 

diff --git a/src/com/android/settings/fuelgauge/anomaly/action/BackgroundCheckAction.java b/src/com/android/settings/fuelgauge/anomaly/action/BackgroundCheckAction.java
index aa3fc39..e3666d8 100644
--- a/src/com/android/settings/fuelgauge/anomaly/action/BackgroundCheckAction.java
+++ b/src/com/android/settings/fuelgauge/anomaly/action/BackgroundCheckAction.java

@@ -19,7 +19,7 @@
 import android.app.AppOpsManager;
 import android.content.Context;
 import android.os.Build;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.fuelgauge.BatteryUtils;

diff --git a/src/com/android/settings/fuelgauge/anomaly/action/LocationCheckAction.java b/src/com/android/settings/fuelgauge/anomaly/action/LocationCheckAction.java
index fc746b9..dcf7e46 100644
--- a/src/com/android/settings/fuelgauge/anomaly/action/LocationCheckAction.java
+++ b/src/com/android/settings/fuelgauge/anomaly/action/LocationCheckAction.java

@@ -19,8 +19,8 @@
 import android.Manifest;
 import android.content.Context;
 import android.content.pm.permission.RuntimePermissionPresenter;
-import android.support.annotation.VisibleForTesting;
-import android.support.v4.content.PermissionChecker;
+import androidx.annotation.VisibleForTesting;
+import androidx.core.content.PermissionChecker;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.fuelgauge.anomaly.Anomaly;

diff --git a/src/com/android/settings/fuelgauge/anomaly/action/StopAndBackgroundCheckAction.java b/src/com/android/settings/fuelgauge/anomaly/action/StopAndBackgroundCheckAction.java
index 2c799ee..b5fd20b 100644
--- a/src/com/android/settings/fuelgauge/anomaly/action/StopAndBackgroundCheckAction.java
+++ b/src/com/android/settings/fuelgauge/anomaly/action/StopAndBackgroundCheckAction.java

@@ -17,7 +17,7 @@
 package com.android.settings.fuelgauge.anomaly.action;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.fuelgauge.anomaly.Anomaly;

diff --git a/src/com/android/settings/fuelgauge/anomaly/checker/BluetoothScanAnomalyDetector.java b/src/com/android/settings/fuelgauge/anomaly/checker/BluetoothScanAnomalyDetector.java
index 9fb4496..5cb188a 100644
--- a/src/com/android/settings/fuelgauge/anomaly/checker/BluetoothScanAnomalyDetector.java
+++ b/src/com/android/settings/fuelgauge/anomaly/checker/BluetoothScanAnomalyDetector.java

@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.os.BatteryStats;
 import android.os.SystemClock;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.format.DateUtils;
 import android.util.ArrayMap;
 

diff --git a/src/com/android/settings/fuelgauge/anomaly/checker/WakeLockAnomalyDetector.java b/src/com/android/settings/fuelgauge/anomaly/checker/WakeLockAnomalyDetector.java
index c2bcd9a..73d0925 100644
--- a/src/com/android/settings/fuelgauge/anomaly/checker/WakeLockAnomalyDetector.java
+++ b/src/com/android/settings/fuelgauge/anomaly/checker/WakeLockAnomalyDetector.java

@@ -20,7 +20,7 @@
 import android.content.pm.PackageManager;
 import android.os.BatteryStats;
 import android.os.SystemClock;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.os.BatterySipper;
 import com.android.internal.os.BatteryStatsHelper;

diff --git a/src/com/android/settings/fuelgauge/anomaly/checker/WakeupAlarmAnomalyDetector.java b/src/com/android/settings/fuelgauge/anomaly/checker/WakeupAlarmAnomalyDetector.java
index 46f31ab..f891b51 100644
--- a/src/com/android/settings/fuelgauge/anomaly/checker/WakeupAlarmAnomalyDetector.java
+++ b/src/com/android/settings/fuelgauge/anomaly/checker/WakeupAlarmAnomalyDetector.java

@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.os.BatteryStats;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.format.DateUtils;
 import android.util.ArrayMap;
 import android.util.ArraySet;

diff --git a/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySaverPreferenceController.java b/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySaverPreferenceController.java
index 9c8ef63..06c05c0 100644
--- a/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySaverPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySaverPreferenceController.java

@@ -17,8 +17,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.core.TogglePreferenceController;
 import com.android.settingslib.fuelgauge.BatterySaverUtils;

diff --git a/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySeekBarPreferenceController.java b/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySeekBarPreferenceController.java
index 602d984..b1fabb8 100644
--- a/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySeekBarPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/batterysaver/AutoBatterySeekBarPreferenceController.java

@@ -22,9 +22,9 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/fuelgauge/batterysaver/BatterySaverButtonPreferenceController.java b/src/com/android/settings/fuelgauge/batterysaver/BatterySaverButtonPreferenceController.java
index b23a5f0..f5d3a97 100644
--- a/src/com/android/settings/fuelgauge/batterysaver/BatterySaverButtonPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/batterysaver/BatterySaverButtonPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.PowerManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.fuelgauge.BatterySaverReceiver;
 import com.android.settings.widget.TwoStateButtonPreferenceController;

diff --git a/src/com/android/settings/fuelgauge/batterytip/AnomalyCleanupJobService.java b/src/com/android/settings/fuelgauge/batterytip/AnomalyCleanupJobService.java
index 9e57433..ed33432 100644
--- a/src/com/android/settings/fuelgauge/batterytip/AnomalyCleanupJobService.java
+++ b/src/com/android/settings/fuelgauge/batterytip/AnomalyCleanupJobService.java

@@ -22,7 +22,7 @@
 import android.app.job.JobService;
 import android.content.ComponentName;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/fuelgauge/batterytip/AnomalyConfigJobService.java b/src/com/android/settings/fuelgauge/batterytip/AnomalyConfigJobService.java
index eb1e983..44169f0 100644
--- a/src/com/android/settings/fuelgauge/batterytip/AnomalyConfigJobService.java
+++ b/src/com/android/settings/fuelgauge/batterytip/AnomalyConfigJobService.java

@@ -25,7 +25,7 @@
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.Base64;
 import android.util.Log;

diff --git a/src/com/android/settings/fuelgauge/batterytip/AnomalyDatabaseHelper.java b/src/com/android/settings/fuelgauge/batterytip/AnomalyDatabaseHelper.java
index 10858c6..e7a2c0a 100644
--- a/src/com/android/settings/fuelgauge/batterytip/AnomalyDatabaseHelper.java
+++ b/src/com/android/settings/fuelgauge/batterytip/AnomalyDatabaseHelper.java

@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
-import android.support.annotation.IntDef;
+import androidx.annotation.IntDef;
 import android.util.Log;
 
 import com.android.settings.fuelgauge.anomaly.Anomaly;

diff --git a/src/com/android/settings/fuelgauge/batterytip/AnomalyDetectionJobService.java b/src/com/android/settings/fuelgauge/batterytip/AnomalyDetectionJobService.java
index 518b633..c3dd9d6 100644
--- a/src/com/android/settings/fuelgauge/batterytip/AnomalyDetectionJobService.java
+++ b/src/com/android/settings/fuelgauge/batterytip/AnomalyDetectionJobService.java

@@ -38,7 +38,7 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 import android.util.Pair;
 

diff --git a/src/com/android/settings/fuelgauge/batterytip/AppInfo.java b/src/com/android/settings/fuelgauge/batterytip/AppInfo.java
index 9e8aba3..4128f9d 100644
--- a/src/com/android/settings/fuelgauge/batterytip/AppInfo.java
+++ b/src/com/android/settings/fuelgauge/batterytip/AppInfo.java

@@ -18,7 +18,7 @@
 
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.ArraySet;
 

diff --git a/src/com/android/settings/fuelgauge/batterytip/BatteryManagerPreferenceController.java b/src/com/android/settings/fuelgauge/batterytip/BatteryManagerPreferenceController.java
index be2ed84..4a1127d 100644
--- a/src/com/android/settings/fuelgauge/batterytip/BatteryManagerPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/batterytip/BatteryManagerPreferenceController.java

@@ -20,8 +20,8 @@
 import android.content.Context;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;

diff --git a/src/com/android/settings/fuelgauge/batterytip/BatteryTipDialogFragment.java b/src/com/android/settings/fuelgauge/batterytip/BatteryTipDialogFragment.java
index 74c65f9..182ba9c 100644
--- a/src/com/android/settings/fuelgauge/batterytip/BatteryTipDialogFragment.java
+++ b/src/com/android/settings/fuelgauge/batterytip/BatteryTipDialogFragment.java

@@ -21,9 +21,9 @@
 import android.content.Context;
 import android.content.DialogInterface;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.VisibleForTesting;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.LayoutInflater;
 
 import com.android.internal.logging.nano.MetricsProto;

diff --git a/src/com/android/settings/fuelgauge/batterytip/BatteryTipLoader.java b/src/com/android/settings/fuelgauge/batterytip/BatteryTipLoader.java
index 5efc04a..d568acc 100644
--- a/src/com/android/settings/fuelgauge/batterytip/BatteryTipLoader.java
+++ b/src/com/android/settings/fuelgauge/batterytip/BatteryTipLoader.java

@@ -17,7 +17,7 @@
 package com.android.settings.fuelgauge.batterytip;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.os.BatteryStatsHelper;
 import com.android.settings.fuelgauge.BatteryInfo;

diff --git a/src/com/android/settings/fuelgauge/batterytip/BatteryTipPolicy.java b/src/com/android/settings/fuelgauge/batterytip/BatteryTipPolicy.java
index 5520bf3..c738cb2 100644
--- a/src/com/android/settings/fuelgauge/batterytip/BatteryTipPolicy.java
+++ b/src/com/android/settings/fuelgauge/batterytip/BatteryTipPolicy.java

@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.KeyValueListParser;
 import android.util.Log;
 

diff --git a/src/com/android/settings/fuelgauge/batterytip/BatteryTipPreferenceController.java b/src/com/android/settings/fuelgauge/batterytip/BatteryTipPreferenceController.java
index 784c54c..21fc132 100644
--- a/src/com/android/settings/fuelgauge/batterytip/BatteryTipPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/batterytip/BatteryTipPreferenceController.java

@@ -18,10 +18,10 @@
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.SettingsActivity;

diff --git a/src/com/android/settings/fuelgauge/batterytip/BatteryTipUtils.java b/src/com/android/settings/fuelgauge/batterytip/BatteryTipUtils.java
index 1f79e7c..d3e3da0 100644
--- a/src/com/android/settings/fuelgauge/batterytip/BatteryTipUtils.java
+++ b/src/com/android/settings/fuelgauge/batterytip/BatteryTipUtils.java

@@ -23,7 +23,7 @@
 import android.content.Intent;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import com.android.internal.util.CollectionUtils;
 import com.android.settings.SettingsActivity;

diff --git a/src/com/android/settings/fuelgauge/batterytip/HighUsageAdapter.java b/src/com/android/settings/fuelgauge/batterytip/HighUsageAdapter.java
index ec45c80f..b1866b9 100644
--- a/src/com/android/settings/fuelgauge/batterytip/HighUsageAdapter.java
+++ b/src/com/android/settings/fuelgauge/batterytip/HighUsageAdapter.java

@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.os.UserHandle;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.util.IconDrawableFactory;
 import android.view.LayoutInflater;
 import android.view.View;

diff --git a/src/com/android/settings/fuelgauge/batterytip/StatsManagerConfig.java b/src/com/android/settings/fuelgauge/batterytip/StatsManagerConfig.java
index 7f4b1eb..e3f6a1b 100644
--- a/src/com/android/settings/fuelgauge/batterytip/StatsManagerConfig.java
+++ b/src/com/android/settings/fuelgauge/batterytip/StatsManagerConfig.java

@@ -16,7 +16,7 @@
 
 package com.android.settings.fuelgauge.batterytip;
 
-import android.support.annotation.IntDef;
+import androidx.annotation.IntDef;
 
 import com.google.common.hash.HashFunction;
 import com.google.common.hash.Hashing;

diff --git a/src/com/android/settings/fuelgauge/batterytip/actions/RestrictAppAction.java b/src/com/android/settings/fuelgauge/batterytip/actions/RestrictAppAction.java
index 0009451..1ec3221 100644
--- a/src/com/android/settings/fuelgauge/batterytip/actions/RestrictAppAction.java
+++ b/src/com/android/settings/fuelgauge/batterytip/actions/RestrictAppAction.java

@@ -18,7 +18,7 @@
 
 import android.app.AppOpsManager;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Pair;
 
 import com.android.internal.logging.nano.MetricsProto;

diff --git a/src/com/android/settings/fuelgauge/batterytip/actions/UnrestrictAppAction.java b/src/com/android/settings/fuelgauge/batterytip/actions/UnrestrictAppAction.java
index fab7b01..27acf46 100644
--- a/src/com/android/settings/fuelgauge/batterytip/actions/UnrestrictAppAction.java
+++ b/src/com/android/settings/fuelgauge/batterytip/actions/UnrestrictAppAction.java

@@ -18,7 +18,7 @@
 
 import android.app.AppOpsManager;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Pair;
 
 import com.android.internal.logging.nano.MetricsProto;

diff --git a/src/com/android/settings/fuelgauge/batterytip/detectors/HighUsageDetector.java b/src/com/android/settings/fuelgauge/batterytip/detectors/HighUsageDetector.java
index b511ee0..dadd04f 100644
--- a/src/com/android/settings/fuelgauge/batterytip/detectors/HighUsageDetector.java
+++ b/src/com/android/settings/fuelgauge/batterytip/detectors/HighUsageDetector.java

@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.os.BatteryStats;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.format.DateUtils;
 
 import com.android.internal.os.BatterySipper;

diff --git a/src/com/android/settings/fuelgauge/batterytip/detectors/RestrictAppDetector.java b/src/com/android/settings/fuelgauge/batterytip/detectors/RestrictAppDetector.java
index 5a640e5..c251f76 100644
--- a/src/com/android/settings/fuelgauge/batterytip/detectors/RestrictAppDetector.java
+++ b/src/com/android/settings/fuelgauge/batterytip/detectors/RestrictAppDetector.java

@@ -17,7 +17,7 @@
 package com.android.settings.fuelgauge.batterytip.detectors;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.format.DateUtils;
 
 import com.android.settings.Utils;

diff --git a/src/com/android/settings/fuelgauge/batterytip/tips/BatteryTip.java b/src/com/android/settings/fuelgauge/batterytip/tips/BatteryTip.java
index f02dd72..d838c91 100644
--- a/src/com/android/settings/fuelgauge/batterytip/tips/BatteryTip.java
+++ b/src/com/android/settings/fuelgauge/batterytip/tips/BatteryTip.java

@@ -19,10 +19,10 @@
 import android.content.Context;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.IdRes;
-import android.support.annotation.IntDef;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.IdRes;
+import androidx.annotation.IntDef;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.util.SparseIntArray;
 
 import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;

diff --git a/src/com/android/settings/fuelgauge/batterytip/tips/HighUsageTip.java b/src/com/android/settings/fuelgauge/batterytip/tips/HighUsageTip.java
index c6b235b..2b8ad23 100644
--- a/src/com/android/settings/fuelgauge/batterytip/tips/HighUsageTip.java
+++ b/src/com/android/settings/fuelgauge/batterytip/tips/HighUsageTip.java

@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;

diff --git a/src/com/android/settings/fuelgauge/batterytip/tips/SummaryTip.java b/src/com/android/settings/fuelgauge/batterytip/tips/SummaryTip.java
index 409174b..8d0624a 100644
--- a/src/com/android/settings/fuelgauge/batterytip/tips/SummaryTip.java
+++ b/src/com/android/settings/fuelgauge/batterytip/tips/SummaryTip.java

@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;

diff --git a/src/com/android/settings/gestures/AssistGestureSettingsPreferenceController.java b/src/com/android/settings/gestures/AssistGestureSettingsPreferenceController.java
index fd94f9f..d120741 100644
--- a/src/com/android/settings/gestures/AssistGestureSettingsPreferenceController.java
+++ b/src/com/android/settings/gestures/AssistGestureSettingsPreferenceController.java

@@ -22,8 +22,8 @@
 import android.content.Context;
 import android.content.Intent;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.R;

diff --git a/src/com/android/settings/gestures/DoubleTapPowerPreferenceController.java b/src/com/android/settings/gestures/DoubleTapPowerPreferenceController.java
index aebda18..8a3abf8 100644
--- a/src/com/android/settings/gestures/DoubleTapPowerPreferenceController.java
+++ b/src/com/android/settings/gestures/DoubleTapPowerPreferenceController.java

@@ -22,7 +22,7 @@
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.R;
 import com.android.settings.search.DatabaseIndexingUtils;

diff --git a/src/com/android/settings/gestures/DoubleTapScreenPreferenceController.java b/src/com/android/settings/gestures/DoubleTapScreenPreferenceController.java
index 00fb956..4319fbf 100644
--- a/src/com/android/settings/gestures/DoubleTapScreenPreferenceController.java
+++ b/src/com/android/settings/gestures/DoubleTapScreenPreferenceController.java

@@ -22,8 +22,8 @@
 import android.content.SharedPreferences;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.hardware.AmbientDisplayConfiguration;
 import com.android.settings.R;

diff --git a/src/com/android/settings/gestures/DoubleTwistPreferenceController.java b/src/com/android/settings/gestures/DoubleTwistPreferenceController.java
index f819508..3e0a60e 100644
--- a/src/com/android/settings/gestures/DoubleTwistPreferenceController.java
+++ b/src/com/android/settings/gestures/DoubleTwistPreferenceController.java

@@ -24,7 +24,7 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/gestures/GesturePreferenceController.java b/src/com/android/settings/gestures/GesturePreferenceController.java
index 7f1100b..1222f4a 100644
--- a/src/com/android/settings/gestures/GesturePreferenceController.java
+++ b/src/com/android/settings/gestures/GesturePreferenceController.java

@@ -18,10 +18,10 @@
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
 
 import com.android.settings.R;
 import com.android.settings.core.TogglePreferenceController;

diff --git a/src/com/android/settings/gestures/GestureSettings.java b/src/com/android/settings/gestures/GestureSettings.java
index 2c95749..c2979a2 100644
--- a/src/com/android/settings/gestures/GestureSettings.java
+++ b/src/com/android/settings/gestures/GestureSettings.java

@@ -19,8 +19,8 @@
 import android.content.Context;
 import android.os.UserHandle;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 
 import com.android.internal.hardware.AmbientDisplayConfiguration;
 import com.android.internal.logging.nano.MetricsProto;

diff --git a/src/com/android/settings/gestures/GesturesSettingPreferenceController.java b/src/com/android/settings/gestures/GesturesSettingPreferenceController.java
index 1eb188a..666d6b2 100644
--- a/src/com/android/settings/gestures/GesturesSettingPreferenceController.java
+++ b/src/com/android/settings/gestures/GesturesSettingPreferenceController.java

@@ -19,7 +19,7 @@
 import android.content.ContentResolver;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import com.android.internal.hardware.AmbientDisplayConfiguration;
 import com.android.settings.R;

diff --git a/src/com/android/settings/gestures/PickupGesturePreferenceController.java b/src/com/android/settings/gestures/PickupGesturePreferenceController.java
index 46318f5..a4dcd84 100644
--- a/src/com/android/settings/gestures/PickupGesturePreferenceController.java
+++ b/src/com/android/settings/gestures/PickupGesturePreferenceController.java

@@ -24,7 +24,7 @@
 import android.content.SharedPreferences;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.hardware.AmbientDisplayConfiguration;
 import com.android.settings.R;

diff --git a/src/com/android/settings/gestures/PreventRingingPreferenceController.java b/src/com/android/settings/gestures/PreventRingingPreferenceController.java
index 493755f..aacc707 100644
--- a/src/com/android/settings/gestures/PreventRingingPreferenceController.java
+++ b/src/com/android/settings/gestures/PreventRingingPreferenceController.java

@@ -24,10 +24,10 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;

diff --git a/src/com/android/settings/gestures/SwipeUpPreferenceController.java b/src/com/android/settings/gestures/SwipeUpPreferenceController.java
index c3abd46..019dffd 100644
--- a/src/com/android/settings/gestures/SwipeUpPreferenceController.java
+++ b/src/com/android/settings/gestures/SwipeUpPreferenceController.java

@@ -25,7 +25,7 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/graph/BottomLabelLayout.java b/src/com/android/settings/graph/BottomLabelLayout.java
index 45fab38..20d97e5 100644
--- a/src/com/android/settings/graph/BottomLabelLayout.java
+++ b/src/com/android/settings/graph/BottomLabelLayout.java

@@ -19,7 +19,7 @@
 
 import android.annotation.Nullable;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.AttributeSet;
 import android.view.Gravity;
 import android.view.View;
@@ -31,8 +31,8 @@
  * An extension of LinearLayout that automatically switches to vertical
  * orientation when it can't fit its child views horizontally.
  *
- * Main logic in this class comes from {@link android.support.v7.widget.ButtonBarLayout}.
- * Compared with {@link android.support.v7.widget.ButtonBarLayout}, this layout won't reverse
+ * Main logic in this class comes from {@link androidx.appcompat.widget.ButtonBarLayout}.
+ * Compared with {@link androidx.appcompat.widget.ButtonBarLayout}, this layout won't reverse
  * children's order and won't update the minimum height
  */
 public class BottomLabelLayout extends LinearLayout {

diff --git a/src/com/android/settings/graph/UsageGraph.java b/src/com/android/settings/graph/UsageGraph.java
index db13338..b9d517d 100644
--- a/src/com/android/settings/graph/UsageGraph.java
+++ b/src/com/android/settings/graph/UsageGraph.java

@@ -28,7 +28,7 @@
 import android.graphics.Path;
 import android.graphics.Shader.TileMode;
 import android.graphics.drawable.Drawable;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.AttributeSet;
 import android.util.SparseIntArray;
 import android.util.TypedValue;

diff --git a/src/com/android/settings/inputmethod/GameControllerPreferenceController.java b/src/com/android/settings/inputmethod/GameControllerPreferenceController.java
index c4e998a..2ff19e6 100644
--- a/src/com/android/settings/inputmethod/GameControllerPreferenceController.java
+++ b/src/com/android/settings/inputmethod/GameControllerPreferenceController.java

@@ -19,10 +19,10 @@
 import android.content.Context;
 import android.hardware.input.InputManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.view.InputDevice;
 

diff --git a/src/com/android/settings/inputmethod/InputMethodAndSubtypeEnabler.java b/src/com/android/settings/inputmethod/InputMethodAndSubtypeEnabler.java
index 5fcaccf..37f6413 100644
--- a/src/com/android/settings/inputmethod/InputMethodAndSubtypeEnabler.java
+++ b/src/com/android/settings/inputmethod/InputMethodAndSubtypeEnabler.java

@@ -18,7 +18,7 @@
 
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;

diff --git a/src/com/android/settings/inputmethod/KeyboardLayoutPickerController.java b/src/com/android/settings/inputmethod/KeyboardLayoutPickerController.java
index d3f7f17..3e81ff7 100644
--- a/src/com/android/settings/inputmethod/KeyboardLayoutPickerController.java
+++ b/src/com/android/settings/inputmethod/KeyboardLayoutPickerController.java

@@ -22,9 +22,9 @@
 import android.hardware.input.InputDeviceIdentifier;
 import android.hardware.input.InputManager;
 import android.hardware.input.KeyboardLayout;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.view.InputDevice;
 
 import com.android.settings.core.BasePreferenceController;

diff --git a/src/com/android/settings/inputmethod/PhysicalKeyboardFragment.java b/src/com/android/settings/inputmethod/PhysicalKeyboardFragment.java
index 5729ab2..d7a4f77 100644
--- a/src/com/android/settings/inputmethod/PhysicalKeyboardFragment.java
+++ b/src/com/android/settings/inputmethod/PhysicalKeyboardFragment.java

@@ -30,11 +30,11 @@
 import android.os.UserHandle;
 import android.provider.SearchIndexableResource;
 import android.provider.Settings.Secure;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.view.InputDevice;
 

diff --git a/src/com/android/settings/inputmethod/PhysicalKeyboardPreferenceController.java b/src/com/android/settings/inputmethod/PhysicalKeyboardPreferenceController.java
index b9e95be..38937de 100644
--- a/src/com/android/settings/inputmethod/PhysicalKeyboardPreferenceController.java
+++ b/src/com/android/settings/inputmethod/PhysicalKeyboardPreferenceController.java

@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.hardware.input.InputManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/inputmethod/SpellCheckerPreference.java b/src/com/android/settings/inputmethod/SpellCheckerPreference.java
index 02a2e29..6287426 100644
--- a/src/com/android/settings/inputmethod/SpellCheckerPreference.java
+++ b/src/com/android/settings/inputmethod/SpellCheckerPreference.java

@@ -21,7 +21,7 @@
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.view.View;
 import android.view.View.OnClickListener;

diff --git a/src/com/android/settings/inputmethod/SpellCheckerPreferenceController.java b/src/com/android/settings/inputmethod/SpellCheckerPreferenceController.java
index 1396889..8adf238 100644
--- a/src/com/android/settings/inputmethod/SpellCheckerPreferenceController.java
+++ b/src/com/android/settings/inputmethod/SpellCheckerPreferenceController.java

@@ -17,8 +17,8 @@
 package com.android.settings.inputmethod;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.view.textservice.SpellCheckerInfo;
 import android.view.textservice.TextServicesManager;
 

diff --git a/src/com/android/settings/inputmethod/SpellCheckersSettings.java b/src/com/android/settings/inputmethod/SpellCheckersSettings.java
index 5231021..3f38704 100644
--- a/src/com/android/settings/inputmethod/SpellCheckersSettings.java
+++ b/src/com/android/settings/inputmethod/SpellCheckersSettings.java

@@ -22,10 +22,10 @@
 import android.content.pm.ApplicationInfo;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 import android.view.textservice.SpellCheckerInfo;
 import android.view.textservice.SpellCheckerSubtype;

diff --git a/src/com/android/settings/inputmethod/UserDictionaryCursorLoader.java b/src/com/android/settings/inputmethod/UserDictionaryCursorLoader.java
index d5b742d..3f1122a 100644
--- a/src/com/android/settings/inputmethod/UserDictionaryCursorLoader.java
+++ b/src/com/android/settings/inputmethod/UserDictionaryCursorLoader.java

@@ -21,7 +21,7 @@
 import android.database.Cursor;
 import android.database.MatrixCursor;
 import android.provider.UserDictionary;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.ArraySet;
 
 import java.util.Locale;

diff --git a/src/com/android/settings/inputmethod/UserDictionaryListPreferenceController.java b/src/com/android/settings/inputmethod/UserDictionaryListPreferenceController.java
index 715246a..83fd89d 100644
--- a/src/com/android/settings/inputmethod/UserDictionaryListPreferenceController.java
+++ b/src/com/android/settings/inputmethod/UserDictionaryListPreferenceController.java

@@ -20,10 +20,10 @@
 import android.content.Intent;
 import android.database.Cursor;
 import android.provider.UserDictionary;
-import android.support.annotation.NonNull;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.NonNull;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.view.inputmethod.InputMethodInfo;
 import android.view.inputmethod.InputMethodManager;

diff --git a/src/com/android/settings/inputmethod/VirtualKeyboardFragment.java b/src/com/android/settings/inputmethod/VirtualKeyboardFragment.java
index b7c6c46..6d23404 100644
--- a/src/com/android/settings/inputmethod/VirtualKeyboardFragment.java
+++ b/src/com/android/settings/inputmethod/VirtualKeyboardFragment.java

@@ -24,7 +24,7 @@
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.view.inputmethod.InputMethodInfo;
 import android.view.inputmethod.InputMethodManager;
 

diff --git a/src/com/android/settings/inputmethod/VirtualKeyboardPreferenceController.java b/src/com/android/settings/inputmethod/VirtualKeyboardPreferenceController.java
index c4dbef1..4a04646 100644
--- a/src/com/android/settings/inputmethod/VirtualKeyboardPreferenceController.java
+++ b/src/com/android/settings/inputmethod/VirtualKeyboardPreferenceController.java

@@ -19,7 +19,7 @@
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
 import android.content.pm.PackageManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.BidiFormatter;
 import android.view.inputmethod.InputMethodInfo;
 import android.view.inputmethod.InputMethodManager;

diff --git a/src/com/android/settings/language/LanguageAndInputSettings.java b/src/com/android/settings/language/LanguageAndInputSettings.java
index c92349e..118259a 100644
--- a/src/com/android/settings/language/LanguageAndInputSettings.java
+++ b/src/com/android/settings/language/LanguageAndInputSettings.java

@@ -24,8 +24,8 @@
 import android.provider.SearchIndexableResource;
 import android.provider.Settings;
 import android.speech.tts.TtsEngines;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import android.text.TextUtils;
 import android.view.inputmethod.InputMethodInfo;
 import android.view.inputmethod.InputMethodManager;

diff --git a/src/com/android/settings/language/PhoneLanguagePreferenceController.java b/src/com/android/settings/language/PhoneLanguagePreferenceController.java
index 1b11f59..af60ba0 100644
--- a/src/com/android/settings/language/PhoneLanguagePreferenceController.java
+++ b/src/com/android/settings/language/PhoneLanguagePreferenceController.java

@@ -17,7 +17,7 @@
 package com.android.settings.language;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;

diff --git a/src/com/android/settings/language/PointerSpeedController.java b/src/com/android/settings/language/PointerSpeedController.java
index 857751c..ffde3d2 100644
--- a/src/com/android/settings/language/PointerSpeedController.java
+++ b/src/com/android/settings/language/PointerSpeedController.java

@@ -21,7 +21,7 @@
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.R;
 
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 
 public class PointerSpeedController extends BasePreferenceController {

diff --git a/src/com/android/settings/language/UserDictionaryPreferenceController.java b/src/com/android/settings/language/UserDictionaryPreferenceController.java
index fa6dce6..ca827fd 100644
--- a/src/com/android/settings/language/UserDictionaryPreferenceController.java
+++ b/src/com/android/settings/language/UserDictionaryPreferenceController.java

@@ -19,7 +19,7 @@
 import android.app.Fragment;
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settings.inputmethod.UserDictionaryList;

diff --git a/src/com/android/settings/localepicker/LocaleDragAndDropAdapter.java b/src/com/android/settings/localepicker/LocaleDragAndDropAdapter.java
index a6cb6f5..01f46ee 100644
--- a/src/com/android/settings/localepicker/LocaleDragAndDropAdapter.java
+++ b/src/com/android/settings/localepicker/LocaleDragAndDropAdapter.java

@@ -20,9 +20,9 @@
 import android.graphics.Canvas;
 import android.os.Bundle;
 import android.os.LocaleList;
-import android.support.v4.view.MotionEventCompat;
-import android.support.v7.widget.RecyclerView;
-import android.support.v7.widget.helper.ItemTouchHelper;
+import androidx.core.view.MotionEventCompat;
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.recyclerview.widget.ItemTouchHelper;
 import android.util.Log;
 import android.util.TypedValue;
 import android.view.LayoutInflater;

diff --git a/src/com/android/settings/localepicker/LocaleLinearLayoutManager.java b/src/com/android/settings/localepicker/LocaleLinearLayoutManager.java
index 2917cc7..d3d58ff 100644
--- a/src/com/android/settings/localepicker/LocaleLinearLayoutManager.java
+++ b/src/com/android/settings/localepicker/LocaleLinearLayoutManager.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.core.view.accessibility.AccessibilityNodeInfoCompat;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.View;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/localepicker/LocaleListEditor.java b/src/com/android/settings/localepicker/LocaleListEditor.java
index 79d538f..de68f00 100644
--- a/src/com/android/settings/localepicker/LocaleListEditor.java
+++ b/src/com/android/settings/localepicker/LocaleListEditor.java

@@ -21,7 +21,7 @@
 import android.content.DialogInterface;
 import android.os.Bundle;
 import android.os.LocaleList;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;

diff --git a/src/com/android/settings/localepicker/LocaleRecyclerView.java b/src/com/android/settings/localepicker/LocaleRecyclerView.java
index b9c2b96..93d54a4 100644
--- a/src/com/android/settings/localepicker/LocaleRecyclerView.java
+++ b/src/com/android/settings/localepicker/LocaleRecyclerView.java

@@ -17,7 +17,7 @@
 package com.android.settings.localepicker;
 
 import android.content.Context;
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 

diff --git a/src/com/android/settings/location/BluetoothScanningPreferenceController.java b/src/com/android/settings/location/BluetoothScanningPreferenceController.java
index c97bc7d..6350ffa 100644
--- a/src/com/android/settings/location/BluetoothScanningPreferenceController.java
+++ b/src/com/android/settings/location/BluetoothScanningPreferenceController.java

@@ -15,8 +15,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;

diff --git a/src/com/android/settings/location/InjectedSetting.java b/src/com/android/settings/location/InjectedSetting.java
index 7eae872..4877cb4 100644
--- a/src/com/android/settings/location/InjectedSetting.java
+++ b/src/com/android/settings/location/InjectedSetting.java

@@ -46,12 +46,12 @@
     public final String className;
 
     /**
-     * The {@link android.support.v7.preference.Preference#getTitle()} value.
+     * The {@link androidx.preference.Preference#getTitle()} value.
      */
     public final String title;
 
     /**
-     * The {@link android.support.v7.preference.Preference#getIcon()} value.
+     * The {@link androidx.preference.Preference#getIcon()} value.
      */
     public final int iconId;
 

diff --git a/src/com/android/settings/location/LocationEnabler.java b/src/com/android/settings/location/LocationEnabler.java
index fd557a3..d45128c 100644
--- a/src/com/android/settings/location/LocationEnabler.java
+++ b/src/com/android/settings/location/LocationEnabler.java

@@ -23,7 +23,7 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.settings.Utils;

diff --git a/src/com/android/settings/location/LocationFooterPreferenceController.java b/src/com/android/settings/location/LocationFooterPreferenceController.java
index f15d437..658c3cd 100644
--- a/src/com/android/settings/location/LocationFooterPreferenceController.java
+++ b/src/com/android/settings/location/LocationFooterPreferenceController.java

@@ -22,9 +22,9 @@
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.pm.ResolveInfo;
 import android.location.LocationManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
 import android.util.Log;
 import com.android.settingslib.core.lifecycle.Lifecycle;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;

diff --git a/src/com/android/settings/location/LocationForWorkPreferenceController.java b/src/com/android/settings/location/LocationForWorkPreferenceController.java
index a81c9d4..3f51d6f 100644
--- a/src/com/android/settings/location/LocationForWorkPreferenceController.java
+++ b/src/com/android/settings/location/LocationForWorkPreferenceController.java

@@ -17,8 +17,8 @@
 
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.Utils;

diff --git a/src/com/android/settings/location/LocationPreferenceController.java b/src/com/android/settings/location/LocationPreferenceController.java
index 5760ab7..a091ca8 100644
--- a/src/com/android/settings/location/LocationPreferenceController.java
+++ b/src/com/android/settings/location/LocationPreferenceController.java

@@ -21,9 +21,9 @@
 import android.content.IntentFilter;
 import android.location.LocationManager;
 import android.provider.Settings.Secure;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;

diff --git a/src/com/android/settings/location/LocationScanningPreferenceController.java b/src/com/android/settings/location/LocationScanningPreferenceController.java
index ec487e4..01a6690 100644
--- a/src/com/android/settings/location/LocationScanningPreferenceController.java
+++ b/src/com/android/settings/location/LocationScanningPreferenceController.java

@@ -21,7 +21,7 @@
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.R;
 
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 
 public class LocationScanningPreferenceController extends BasePreferenceController {

diff --git a/src/com/android/settings/location/LocationServicePreferenceController.java b/src/com/android/settings/location/LocationServicePreferenceController.java
index a1d2069..f865b44 100644
--- a/src/com/android/settings/location/LocationServicePreferenceController.java
+++ b/src/com/android/settings/location/LocationServicePreferenceController.java

@@ -19,10 +19,10 @@
 import android.content.IntentFilter;
 import android.location.SettingInjectorService;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 
 import com.android.settings.widget.RestrictedAppPreference;

diff --git a/src/com/android/settings/location/LocationSettings.java b/src/com/android/settings/location/LocationSettings.java
index 90547e9..9f23396 100644
--- a/src/com/android/settings/location/LocationSettings.java
+++ b/src/com/android/settings/location/LocationSettings.java

@@ -21,8 +21,8 @@
 import android.location.SettingInjectorService;
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;

diff --git a/src/com/android/settings/location/RecentLocationRequestPreferenceController.java b/src/com/android/settings/location/RecentLocationRequestPreferenceController.java
index b2a648f..f4ae15b 100644
--- a/src/com/android/settings/location/RecentLocationRequestPreferenceController.java
+++ b/src/com/android/settings/location/RecentLocationRequestPreferenceController.java

@@ -16,10 +16,10 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import com.android.settings.R;
 import com.android.settings.applications.appinfo.AppInfoDashboardFragment;
 import com.android.settings.core.SubSettingLauncher;

diff --git a/src/com/android/settings/location/RecentLocationRequestSeeAllPreferenceController.java b/src/com/android/settings/location/RecentLocationRequestSeeAllPreferenceController.java
index 4b59df2..99dc9fc 100644
--- a/src/com/android/settings/location/RecentLocationRequestSeeAllPreferenceController.java
+++ b/src/com/android/settings/location/RecentLocationRequestSeeAllPreferenceController.java

@@ -17,10 +17,10 @@
 package com.android.settings.location;
 
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import com.android.settings.widget.AppPreference;
 import com.android.settingslib.core.lifecycle.Lifecycle;
 import com.android.settingslib.location.RecentLocationApps;

diff --git a/src/com/android/settings/location/SettingsInjector.java b/src/com/android/settings/location/SettingsInjector.java
index 2c6a4f3..52b0656 100644
--- a/src/com/android/settings/location/SettingsInjector.java
+++ b/src/com/android/settings/location/SettingsInjector.java

@@ -37,7 +37,7 @@
 import android.os.SystemClock;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.IconDrawableFactory;

diff --git a/src/com/android/settings/location/WifiScanningPreferenceController.java b/src/com/android/settings/location/WifiScanningPreferenceController.java
index 8d4cf98..c5389ca 100644
--- a/src/com/android/settings/location/WifiScanningPreferenceController.java
+++ b/src/com/android/settings/location/WifiScanningPreferenceController.java

@@ -15,8 +15,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;

diff --git a/src/com/android/settings/network/AirplaneModePreferenceController.java b/src/com/android/settings/network/AirplaneModePreferenceController.java
index b4851e6..1ffb0aa 100644
--- a/src/com/android/settings/network/AirplaneModePreferenceController.java
+++ b/src/com/android/settings/network/AirplaneModePreferenceController.java

@@ -20,9 +20,9 @@
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.os.SystemProperties;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.telephony.TelephonyIntents;
 import com.android.internal.telephony.TelephonyProperties;

diff --git a/src/com/android/settings/network/ApnEditor.java b/src/com/android/settings/network/ApnEditor.java
index e2853a6..2200368 100644
--- a/src/com/android/settings/network/ApnEditor.java
+++ b/src/com/android/settings/network/ApnEditor.java

@@ -28,13 +28,13 @@
 import android.os.Bundle;
 import android.os.PersistableBundle;
 import android.provider.Telephony;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.MultiSelectListPreference;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.EditTextPreference;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.MultiSelectListPreference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.EditTextPreference;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
 import android.telephony.CarrierConfigManager;
 import android.telephony.ServiceState;
 import android.telephony.SubscriptionManager;

diff --git a/src/com/android/settings/network/ApnPreference.java b/src/com/android/settings/network/ApnPreference.java
index 412c288..ee53ca9 100755
--- a/src/com/android/settings/network/ApnPreference.java
+++ b/src/com/android/settings/network/ApnPreference.java

@@ -21,8 +21,8 @@
 import android.content.Intent;
 import android.net.Uri;
 import android.provider.Telephony;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.telephony.SubscriptionManager;
 import android.util.AttributeSet;
 import android.util.Log;

diff --git a/src/com/android/settings/network/ApnSettings.java b/src/com/android/settings/network/ApnSettings.java
index bbbcdbc..dfc0e70 100755
--- a/src/com/android/settings/network/ApnSettings.java
+++ b/src/com/android/settings/network/ApnSettings.java

@@ -37,8 +37,8 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Telephony;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
 import android.telephony.CarrierConfigManager;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;

diff --git a/src/com/android/settings/network/MobileNetworkPreferenceController.java b/src/com/android/settings/network/MobileNetworkPreferenceController.java
index 0e6108a..e4d52bc 100644
--- a/src/com/android/settings/network/MobileNetworkPreferenceController.java
+++ b/src/com/android/settings/network/MobileNetworkPreferenceController.java

@@ -24,9 +24,9 @@
 import android.content.IntentFilter;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.PhoneStateListener;
 import android.telephony.ServiceState;
 import android.telephony.TelephonyManager;

diff --git a/src/com/android/settings/network/MobilePlanPreferenceController.java b/src/com/android/settings/network/MobilePlanPreferenceController.java
index 6556113..f29f11c 100644
--- a/src/com/android/settings/network/MobilePlanPreferenceController.java
+++ b/src/com/android/settings/network/MobilePlanPreferenceController.java

@@ -31,7 +31,7 @@
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.telephony.TelephonyManager;
 import android.text.TextUtils;
 import android.util.Log;

diff --git a/src/com/android/settings/network/NetworkDashboardFragment.java b/src/com/android/settings/network/NetworkDashboardFragment.java
index f6a7391..015f6fc 100644
--- a/src/com/android/settings/network/NetworkDashboardFragment.java
+++ b/src/com/android/settings/network/NetworkDashboardFragment.java

@@ -25,7 +25,7 @@
 import android.content.Context;
 import android.icu.text.ListFormatter;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.BidiFormatter;
 import android.util.Log;
 

diff --git a/src/com/android/settings/network/NetworkResetRestrictionChecker.java b/src/com/android/settings/network/NetworkResetRestrictionChecker.java
index 2b630bd..5ae3a77 100644
--- a/src/com/android/settings/network/NetworkResetRestrictionChecker.java
+++ b/src/com/android/settings/network/NetworkResetRestrictionChecker.java

@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settingslib.RestrictedLockUtils;
 

diff --git a/src/com/android/settings/network/NetworkScorerPicker.java b/src/com/android/settings/network/NetworkScorerPicker.java
index a7e4014..0a63adc 100644
--- a/src/com/android/settings/network/NetworkScorerPicker.java
+++ b/src/com/android/settings/network/NetworkScorerPicker.java

@@ -19,9 +19,9 @@
 import android.net.NetworkScoreManager;
 import android.net.NetworkScorerAppData;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;

diff --git a/src/com/android/settings/network/NetworkScorerPickerPreferenceController.java b/src/com/android/settings/network/NetworkScorerPickerPreferenceController.java
index c573106..9848201 100644
--- a/src/com/android/settings/network/NetworkScorerPickerPreferenceController.java
+++ b/src/com/android/settings/network/NetworkScorerPickerPreferenceController.java

@@ -18,7 +18,7 @@
 import android.content.Context;
 import android.net.NetworkScoreManager;
 import android.net.NetworkScorerAppData;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;

diff --git a/src/com/android/settings/network/PrivateDnsModeDialogPreference.java b/src/com/android/settings/network/PrivateDnsModeDialogPreference.java
index 178aa27..598d5a8 100644
--- a/src/com/android/settings/network/PrivateDnsModeDialogPreference.java
+++ b/src/com/android/settings/network/PrivateDnsModeDialogPreference.java

@@ -28,7 +28,7 @@
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.system.Os;
 import android.text.Editable;
 import android.text.TextWatcher;

diff --git a/src/com/android/settings/network/PrivateDnsPreferenceController.java b/src/com/android/settings/network/PrivateDnsPreferenceController.java
index 50224ca..ad54197 100644
--- a/src/com/android/settings/network/PrivateDnsPreferenceController.java
+++ b/src/com/android/settings/network/PrivateDnsPreferenceController.java

@@ -28,8 +28,8 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;

diff --git a/src/com/android/settings/network/ProxyPreferenceController.java b/src/com/android/settings/network/ProxyPreferenceController.java
index 0970dd9..dc2eb9f 100644
--- a/src/com/android/settings/network/ProxyPreferenceController.java
+++ b/src/com/android/settings/network/ProxyPreferenceController.java

@@ -17,8 +17,8 @@
 
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;

diff --git a/src/com/android/settings/network/TetherPreferenceController.java b/src/com/android/settings/network/TetherPreferenceController.java
index 1c9959e..636fe0c 100644
--- a/src/com/android/settings/network/TetherPreferenceController.java
+++ b/src/com/android/settings/network/TetherPreferenceController.java

@@ -33,9 +33,9 @@
 import android.os.Handler;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.TetherSettings;

diff --git a/src/com/android/settings/network/VpnPreferenceController.java b/src/com/android/settings/network/VpnPreferenceController.java
index 98cf312..5213a71 100644
--- a/src/com/android/settings/network/VpnPreferenceController.java
+++ b/src/com/android/settings/network/VpnPreferenceController.java

@@ -28,9 +28,9 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 import android.util.SparseArray;
 

diff --git a/src/com/android/settings/nfc/AndroidBeamEnabler.java b/src/com/android/settings/nfc/AndroidBeamEnabler.java
index 66e42b6..5041a3e 100644
--- a/src/com/android/settings/nfc/AndroidBeamEnabler.java
+++ b/src/com/android/settings/nfc/AndroidBeamEnabler.java

@@ -20,7 +20,7 @@
 import android.nfc.NfcAdapter;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settingslib.RestrictedLockUtils;

diff --git a/src/com/android/settings/nfc/AndroidBeamPreferenceController.java b/src/com/android/settings/nfc/AndroidBeamPreferenceController.java
index 6ae7fe5..739f00e 100644
--- a/src/com/android/settings/nfc/AndroidBeamPreferenceController.java
+++ b/src/com/android/settings/nfc/AndroidBeamPreferenceController.java

@@ -16,7 +16,7 @@
 package com.android.settings.nfc;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.RestrictedPreference;

diff --git a/src/com/android/settings/nfc/BaseNfcEnabler.java b/src/com/android/settings/nfc/BaseNfcEnabler.java
index 5c5f95c..88bafb9 100644
--- a/src/com/android/settings/nfc/BaseNfcEnabler.java
+++ b/src/com/android/settings/nfc/BaseNfcEnabler.java

@@ -21,7 +21,7 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.nfc.NfcAdapter;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 /**
  * BaseNfcEnabler is a abstract helper to manage the Nfc state for Nfc and Android Beam

diff --git a/src/com/android/settings/nfc/BaseNfcPreferenceController.java b/src/com/android/settings/nfc/BaseNfcPreferenceController.java
index b945738..7956dce 100644
--- a/src/com/android/settings/nfc/BaseNfcPreferenceController.java
+++ b/src/com/android/settings/nfc/BaseNfcPreferenceController.java

@@ -22,8 +22,8 @@
 import android.nfc.NfcManager;
 import android.os.Handler;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;

diff --git a/src/com/android/settings/nfc/NfcEnabler.java b/src/com/android/settings/nfc/NfcEnabler.java
index 29cef99..82011a0 100644
--- a/src/com/android/settings/nfc/NfcEnabler.java
+++ b/src/com/android/settings/nfc/NfcEnabler.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.nfc.NfcAdapter;
-import android.support.v7.preference.Preference;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.SwitchPreference;
 
 /**
  * NfcEnabler is a helper to manage the Nfc on/off checkbox preference. It turns on/off Nfc

diff --git a/src/com/android/settings/nfc/NfcForegroundPreference.java b/src/com/android/settings/nfc/NfcForegroundPreference.java
index 89095a4..728f2e4 100644
--- a/src/com/android/settings/nfc/NfcForegroundPreference.java
+++ b/src/com/android/settings/nfc/NfcForegroundPreference.java

@@ -16,8 +16,8 @@
 package com.android.settings.nfc;
 
 import android.content.Context;
-import android.support.v7.preference.DropDownPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.DropDownPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 

diff --git a/src/com/android/settings/nfc/NfcPaymentPreference.java b/src/com/android/settings/nfc/NfcPaymentPreference.java
index a3f7466..0838a90 100644
--- a/src/com/android/settings/nfc/NfcPaymentPreference.java
+++ b/src/com/android/settings/nfc/NfcPaymentPreference.java

@@ -21,7 +21,7 @@
 import android.app.Dialog;
 import android.content.DialogInterface;
 import android.content.Intent;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;

diff --git a/src/com/android/settings/nfc/NfcPreferenceController.java b/src/com/android/settings/nfc/NfcPreferenceController.java
index a0678e0..a00aa32 100644
--- a/src/com/android/settings/nfc/NfcPreferenceController.java
+++ b/src/com/android/settings/nfc/NfcPreferenceController.java

@@ -16,8 +16,8 @@
 package com.android.settings.nfc;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v14.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;

diff --git a/src/com/android/settings/nfc/PaymentSettings.java b/src/com/android/settings/nfc/PaymentSettings.java
index 9532dac..e3cf697 100644
--- a/src/com/android/settings/nfc/PaymentSettings.java
+++ b/src/com/android/settings/nfc/PaymentSettings.java

@@ -21,8 +21,8 @@
 import android.content.pm.PackageManager;
 import android.content.res.Resources;
 import android.os.Bundle;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;

diff --git a/src/com/android/settings/notification/AbstractZenModeAutomaticRulePreferenceController.java b/src/com/android/settings/notification/AbstractZenModeAutomaticRulePreferenceController.java
index 668b06c..4284ecf 100644
--- a/src/com/android/settings/notification/AbstractZenModeAutomaticRulePreferenceController.java
+++ b/src/com/android/settings/notification/AbstractZenModeAutomaticRulePreferenceController.java

@@ -27,7 +27,7 @@
 import android.provider.Settings;
 import android.service.notification.ConditionProviderService;
 import android.service.notification.ZenModeConfig;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/notification/AbstractZenModePreferenceController.java b/src/com/android/settings/notification/AbstractZenModePreferenceController.java
index c60299e..475076a 100644
--- a/src/com/android/settings/notification/AbstractZenModePreferenceController.java
+++ b/src/com/android/settings/notification/AbstractZenModePreferenceController.java

@@ -29,8 +29,8 @@
 import android.provider.Settings;
 import android.service.notification.ScheduleCalendar;
 import android.service.notification.ZenModeConfig;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/notification/AdjustVolumeRestrictedPreferenceController.java b/src/com/android/settings/notification/AdjustVolumeRestrictedPreferenceController.java
index 03032c5..a8722e5 100644
--- a/src/com/android/settings/notification/AdjustVolumeRestrictedPreferenceController.java
+++ b/src/com/android/settings/notification/AdjustVolumeRestrictedPreferenceController.java

@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.accounts.AccountRestrictionHelper;

diff --git a/src/com/android/settings/notification/AllowSoundPreferenceController.java b/src/com/android/settings/notification/AllowSoundPreferenceController.java
index 7186be1..a1fd3c0 100644
--- a/src/com/android/settings/notification/AllowSoundPreferenceController.java
+++ b/src/com/android/settings/notification/AllowSoundPreferenceController.java

@@ -22,7 +22,7 @@
 
 import android.app.NotificationChannel;
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/notification/AppLinkPreferenceController.java b/src/com/android/settings/notification/AppLinkPreferenceController.java
index ff5945b..6e09cce 100644
--- a/src/com/android/settings/notification/AppLinkPreferenceController.java
+++ b/src/com/android/settings/notification/AppLinkPreferenceController.java

@@ -17,7 +17,7 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 

diff --git a/src/com/android/settings/notification/AppNotificationSettings.java b/src/com/android/settings/notification/AppNotificationSettings.java
index 99e9458..9ebcd33 100644
--- a/src/com/android/settings/notification/AppNotificationSettings.java
+++ b/src/com/android/settings/notification/AppNotificationSettings.java

@@ -21,11 +21,11 @@
 import android.content.Context;
 import android.os.AsyncTask;
 import android.os.Bundle;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.Log;
 

diff --git a/src/com/android/settings/notification/BadgePreferenceController.java b/src/com/android/settings/notification/BadgePreferenceController.java
index e768ad1..e6cd449 100644
--- a/src/com/android/settings/notification/BadgePreferenceController.java
+++ b/src/com/android/settings/notification/BadgePreferenceController.java

@@ -21,7 +21,7 @@
 import android.app.NotificationChannel;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.RestrictedSwitchPreference;

diff --git a/src/com/android/settings/notification/BadgingNotificationPreferenceController.java b/src/com/android/settings/notification/BadgingNotificationPreferenceController.java
index 18efd43..c9e3030 100644
--- a/src/com/android/settings/notification/BadgingNotificationPreferenceController.java
+++ b/src/com/android/settings/notification/BadgingNotificationPreferenceController.java

@@ -23,9 +23,9 @@
 import android.net.Uri;
 import android.os.Handler;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;

diff --git a/src/com/android/settings/notification/BlockPreferenceController.java b/src/com/android/settings/notification/BlockPreferenceController.java
index 7c6201e..bb9eaac 100644
--- a/src/com/android/settings/notification/BlockPreferenceController.java
+++ b/src/com/android/settings/notification/BlockPreferenceController.java

@@ -23,7 +23,7 @@
 
 import android.app.NotificationManager;
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.widget.Switch;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/notification/BootSoundPreferenceController.java b/src/com/android/settings/notification/BootSoundPreferenceController.java
index 945f9ae..97639b1 100644
--- a/src/com/android/settings/notification/BootSoundPreferenceController.java
+++ b/src/com/android/settings/notification/BootSoundPreferenceController.java

@@ -18,10 +18,10 @@
 
 import android.content.Context;
 import android.os.SystemProperties;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;
 

diff --git a/src/com/android/settings/notification/ChannelGroupNotificationSettings.java b/src/com/android/settings/notification/ChannelGroupNotificationSettings.java
index f16031e..c17b3b0 100644
--- a/src/com/android/settings/notification/ChannelGroupNotificationSettings.java
+++ b/src/com/android/settings/notification/ChannelGroupNotificationSettings.java

@@ -18,7 +18,7 @@
 
 import android.app.NotificationChannel;
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;

diff --git a/src/com/android/settings/notification/ChannelNotificationSettings.java b/src/com/android/settings/notification/ChannelNotificationSettings.java
index bd9771a..0ea0eac 100644
--- a/src/com/android/settings/notification/ChannelNotificationSettings.java
+++ b/src/com/android/settings/notification/ChannelNotificationSettings.java

@@ -20,7 +20,7 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.Log;
 

diff --git a/src/com/android/settings/notification/ConfigureNotificationSettings.java b/src/com/android/settings/notification/ConfigureNotificationSettings.java
index 2763776..66eec13 100644
--- a/src/com/android/settings/notification/ConfigureNotificationSettings.java
+++ b/src/com/android/settings/notification/ConfigureNotificationSettings.java

@@ -24,8 +24,8 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;

diff --git a/src/com/android/settings/notification/DeletedChannelsPreferenceController.java b/src/com/android/settings/notification/DeletedChannelsPreferenceController.java
index 45fb8ec..1ebc01c 100644
--- a/src/com/android/settings/notification/DeletedChannelsPreferenceController.java
+++ b/src/com/android/settings/notification/DeletedChannelsPreferenceController.java

@@ -17,7 +17,7 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/notification/DescriptionPreferenceController.java b/src/com/android/settings/notification/DescriptionPreferenceController.java
index fae2f5f..61a9ddb 100644
--- a/src/com/android/settings/notification/DescriptionPreferenceController.java
+++ b/src/com/android/settings/notification/DescriptionPreferenceController.java

@@ -17,7 +17,7 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/notification/DndPreferenceController.java b/src/com/android/settings/notification/DndPreferenceController.java
index 899c585..acbc070 100644
--- a/src/com/android/settings/notification/DndPreferenceController.java
+++ b/src/com/android/settings/notification/DndPreferenceController.java

@@ -19,7 +19,7 @@
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.RestrictedSwitchPreference;

diff --git a/src/com/android/settings/notification/EmergencyBroadcastPreferenceController.java b/src/com/android/settings/notification/EmergencyBroadcastPreferenceController.java
index 2eb9f6a..e67de2b 100644
--- a/src/com/android/settings/notification/EmergencyBroadcastPreferenceController.java
+++ b/src/com/android/settings/notification/EmergencyBroadcastPreferenceController.java

@@ -20,8 +20,8 @@
 import android.content.pm.PackageManager;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.settings.accounts.AccountRestrictionHelper;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/notification/HeaderPreferenceController.java b/src/com/android/settings/notification/HeaderPreferenceController.java
index c6f6a80..311dcf7 100644
--- a/src/com/android/settings/notification/HeaderPreferenceController.java
+++ b/src/com/android/settings/notification/HeaderPreferenceController.java

@@ -18,11 +18,11 @@
 
 import static com.android.settings.widget.EntityHeaderController.PREF_KEY_APP_HEADER;
 
-import android.arch.lifecycle.LifecycleObserver;
-import android.arch.lifecycle.OnLifecycleEvent;
+import androidx.lifecycle.LifecycleObserver;
+import androidx.lifecycle.OnLifecycleEvent;
 import android.content.Context;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.Preference;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.Preference;
 import android.text.BidiFormatter;
 import android.text.SpannableStringBuilder;
 import android.text.TextUtils;

diff --git a/src/com/android/settings/notification/ImportancePreferenceController.java b/src/com/android/settings/notification/ImportancePreferenceController.java
index 60b2ebe..c056472 100644
--- a/src/com/android/settings/notification/ImportancePreferenceController.java
+++ b/src/com/android/settings/notification/ImportancePreferenceController.java

@@ -26,7 +26,7 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.media.RingtoneManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.RestrictedListPreference;

diff --git a/src/com/android/settings/notification/LightsPreferenceController.java b/src/com/android/settings/notification/LightsPreferenceController.java
index 9d5a6c5..3710cc5 100644
--- a/src/com/android/settings/notification/LightsPreferenceController.java
+++ b/src/com/android/settings/notification/LightsPreferenceController.java

@@ -20,7 +20,7 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.RestrictedSwitchPreference;

diff --git a/src/com/android/settings/notification/LockScreenNotificationPreferenceController.java b/src/com/android/settings/notification/LockScreenNotificationPreferenceController.java
index 2dfe8f3..22ef560 100644
--- a/src/com/android/settings/notification/LockScreenNotificationPreferenceController.java
+++ b/src/com/android/settings/notification/LockScreenNotificationPreferenceController.java

@@ -32,8 +32,8 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.Log;
 

diff --git a/src/com/android/settings/notification/NotificationAppPreference.java b/src/com/android/settings/notification/NotificationAppPreference.java
index e43c52b..bb015ca 100644
--- a/src/com/android/settings/notification/NotificationAppPreference.java
+++ b/src/com/android/settings/notification/NotificationAppPreference.java

@@ -16,7 +16,7 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.Switch;

diff --git a/src/com/android/settings/notification/NotificationFooterPreference.java b/src/com/android/settings/notification/NotificationFooterPreference.java
index d44ebee..2b41281 100644
--- a/src/com/android/settings/notification/NotificationFooterPreference.java
+++ b/src/com/android/settings/notification/NotificationFooterPreference.java

@@ -17,9 +17,9 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v4.content.res.TypedArrayUtils;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.core.content.res.TypedArrayUtils;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.method.LinkMovementMethod;
 import android.util.AttributeSet;
 import android.widget.TextView;

diff --git a/src/com/android/settings/notification/NotificationPreferenceController.java b/src/com/android/settings/notification/NotificationPreferenceController.java
index 1e477c4..e8af379 100644
--- a/src/com/android/settings/notification/NotificationPreferenceController.java
+++ b/src/com/android/settings/notification/NotificationPreferenceController.java

@@ -25,9 +25,9 @@
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 
 import com.android.settingslib.RestrictedLockUtils;

diff --git a/src/com/android/settings/notification/NotificationSettingsBase.java b/src/com/android/settings/notification/NotificationSettingsBase.java
index faf6fb3..3317baa 100644
--- a/src/com/android/settings/notification/NotificationSettingsBase.java
+++ b/src/com/android/settings/notification/NotificationSettingsBase.java

@@ -37,9 +37,9 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.Log;
 import android.widget.Toast;

diff --git a/src/com/android/settings/notification/NotificationStation.java b/src/com/android/settings/notification/NotificationStation.java
index 8850beb..e63e588 100644
--- a/src/com/android/settings/notification/NotificationStation.java
+++ b/src/com/android/settings/notification/NotificationStation.java

@@ -39,9 +39,9 @@
 import android.service.notification.NotificationListenerService.Ranking;
 import android.service.notification.NotificationListenerService.RankingMap;
 import android.service.notification.StatusBarNotification;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
-import android.support.v7.widget.RecyclerView;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.SpannableString;
 import android.text.SpannableStringBuilder;
 import android.text.TextUtils;

diff --git a/src/com/android/settings/notification/NotificationSwitchBarPreference.java b/src/com/android/settings/notification/NotificationSwitchBarPreference.java
index 7729543..ede7d88 100644
--- a/src/com/android/settings/notification/NotificationSwitchBarPreference.java
+++ b/src/com/android/settings/notification/NotificationSwitchBarPreference.java

@@ -17,7 +17,7 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 

diff --git a/src/com/android/settings/notification/NotificationsOffPreferenceController.java b/src/com/android/settings/notification/NotificationsOffPreferenceController.java
index fad0e27..4dbf491 100644
--- a/src/com/android/settings/notification/NotificationsOffPreferenceController.java
+++ b/src/com/android/settings/notification/NotificationsOffPreferenceController.java

@@ -17,7 +17,7 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/notification/PulseNotificationPreferenceController.java b/src/com/android/settings/notification/PulseNotificationPreferenceController.java
index c39f482..1696268 100644
--- a/src/com/android/settings/notification/PulseNotificationPreferenceController.java
+++ b/src/com/android/settings/notification/PulseNotificationPreferenceController.java

@@ -22,8 +22,8 @@
 import android.net.Uri;
 import android.os.Handler;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.TogglePreferenceController;
 import com.android.settingslib.core.lifecycle.events.OnPause;

diff --git a/src/com/android/settings/notification/RecentNotifyingAppsPreferenceController.java b/src/com/android/settings/notification/RecentNotifyingAppsPreferenceController.java
index 4079099..8081e4e 100644
--- a/src/com/android/settings/notification/RecentNotifyingAppsPreferenceController.java
+++ b/src/com/android/settings/notification/RecentNotifyingAppsPreferenceController.java

@@ -24,10 +24,10 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.service.notification.NotifyingApp;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.ArraySet;

diff --git a/src/com/android/settings/notification/RingVolumePreferenceController.java b/src/com/android/settings/notification/RingVolumePreferenceController.java
index e74b110..0a2bed9 100644
--- a/src/com/android/settings/notification/RingVolumePreferenceController.java
+++ b/src/com/android/settings/notification/RingVolumePreferenceController.java

@@ -17,8 +17,8 @@
 package com.android.settings.notification;
 
 import android.app.NotificationManager;
-import android.arch.lifecycle.LifecycleObserver;
-import android.arch.lifecycle.OnLifecycleEvent;
+import androidx.lifecycle.LifecycleObserver;
+import androidx.lifecycle.OnLifecycleEvent;
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
 import android.content.Context;

diff --git a/src/com/android/settings/notification/RingtonePreferenceControllerBase.java b/src/com/android/settings/notification/RingtonePreferenceControllerBase.java
index 09a47b7..21b7e53 100644
--- a/src/com/android/settings/notification/RingtonePreferenceControllerBase.java
+++ b/src/com/android/settings/notification/RingtonePreferenceControllerBase.java

@@ -20,7 +20,7 @@
 import android.media.Ringtone;
 import android.media.RingtoneManager;
 import android.net.Uri;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;

diff --git a/src/com/android/settings/notification/SettingPref.java b/src/com/android/settings/notification/SettingPref.java
index 18efc33..08031b1 100644
--- a/src/com/android/settings/notification/SettingPref.java
+++ b/src/com/android/settings/notification/SettingPref.java

@@ -22,10 +22,10 @@
 import android.net.Uri;
 import android.provider.Settings.Global;
 import android.provider.Settings.System;
-import android.support.v7.preference.DropDownPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.DropDownPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.TwoStatePreference;
 
 import com.android.settings.SettingsPreferenceFragment;
 

diff --git a/src/com/android/settings/notification/SettingPrefController.java b/src/com/android/settings/notification/SettingPrefController.java
index ac613d1..891c7b3 100644
--- a/src/com/android/settings/notification/SettingPrefController.java
+++ b/src/com/android/settings/notification/SettingPrefController.java

@@ -22,8 +22,8 @@
 import android.database.ContentObserver;
 import android.net.Uri;
 import android.os.Handler;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.SettingsPreferenceFragment;

diff --git a/src/com/android/settings/notification/SoundPreferenceController.java b/src/com/android/settings/notification/SoundPreferenceController.java
index 4ae6ebe..6c537ff 100644
--- a/src/com/android/settings/notification/SoundPreferenceController.java
+++ b/src/com/android/settings/notification/SoundPreferenceController.java

@@ -22,8 +22,8 @@
 import android.content.Intent;
 import android.net.Uri;
 import android.preference.PreferenceManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/notification/SoundSettings.java b/src/com/android/settings/notification/SoundSettings.java
index 287c57f..bb312f8 100644
--- a/src/com/android/settings/notification/SoundSettings.java
+++ b/src/com/android/settings/notification/SoundSettings.java

@@ -25,8 +25,8 @@
 import android.os.UserHandle;
 import android.preference.SeekBarVolumizer;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;

diff --git a/src/com/android/settings/notification/SuppressorHelper.java b/src/com/android/settings/notification/SuppressorHelper.java
index 8bf4d83..837517c 100644
--- a/src/com/android/settings/notification/SuppressorHelper.java
+++ b/src/com/android/settings/notification/SuppressorHelper.java

@@ -20,7 +20,7 @@
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.content.pm.ServiceInfo;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 public class SuppressorHelper {

diff --git a/src/com/android/settings/notification/VibrateWhenRingPreferenceController.java b/src/com/android/settings/notification/VibrateWhenRingPreferenceController.java
index d41e16b..d5b04f9 100644
--- a/src/com/android/settings/notification/VibrateWhenRingPreferenceController.java
+++ b/src/com/android/settings/notification/VibrateWhenRingPreferenceController.java

@@ -22,9 +22,9 @@
 import android.net.Uri;
 import android.os.Handler;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
 
 import com.android.settings.Utils;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/notification/VibrationPreferenceController.java b/src/com/android/settings/notification/VibrationPreferenceController.java
index 9df8e04..04aa201 100644
--- a/src/com/android/settings/notification/VibrationPreferenceController.java
+++ b/src/com/android/settings/notification/VibrationPreferenceController.java

@@ -20,7 +20,7 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.os.Vibrator;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.RestrictedSwitchPreference;

diff --git a/src/com/android/settings/notification/VisibilityPreferenceController.java b/src/com/android/settings/notification/VisibilityPreferenceController.java
index dac90ef..e1b067b 100644
--- a/src/com/android/settings/notification/VisibilityPreferenceController.java
+++ b/src/com/android/settings/notification/VisibilityPreferenceController.java

@@ -25,7 +25,7 @@
 import android.os.UserHandle;
 import android.provider.Settings;
 import android.service.notification.NotificationListenerService;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.R;

diff --git a/src/com/android/settings/notification/VolumeSeekBarPreference.java b/src/com/android/settings/notification/VolumeSeekBarPreference.java
index d7b5e52..28d60f7 100644
--- a/src/com/android/settings/notification/VolumeSeekBarPreference.java
+++ b/src/com/android/settings/notification/VolumeSeekBarPreference.java

@@ -21,8 +21,8 @@
 import android.media.AudioManager;
 import android.net.Uri;
 import android.preference.SeekBarVolumizer;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.Log;

diff --git a/src/com/android/settings/notification/VolumeSeekBarPreferenceController.java b/src/com/android/settings/notification/VolumeSeekBarPreferenceController.java
index 74e801e..720fddd 100644
--- a/src/com/android/settings/notification/VolumeSeekBarPreferenceController.java
+++ b/src/com/android/settings/notification/VolumeSeekBarPreferenceController.java

@@ -16,10 +16,10 @@
 
 package com.android.settings.notification;
 
-import android.arch.lifecycle.LifecycleObserver;
-import android.arch.lifecycle.OnLifecycleEvent;
+import androidx.lifecycle.LifecycleObserver;
+import androidx.lifecycle.OnLifecycleEvent;
 import android.content.Context;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.notification.VolumeSeekBarPreference.Callback;

diff --git a/src/com/android/settings/notification/WorkSoundPreferenceController.java b/src/com/android/settings/notification/WorkSoundPreferenceController.java
index 1497c2c..108fbca 100644
--- a/src/com/android/settings/notification/WorkSoundPreferenceController.java
+++ b/src/com/android/settings/notification/WorkSoundPreferenceController.java

@@ -32,11 +32,11 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.TwoStatePreference;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;

diff --git a/src/com/android/settings/notification/ZenAccessSettings.java b/src/com/android/settings/notification/ZenAccessSettings.java
index ec378f3..62c9315 100644
--- a/src/com/android/settings/notification/ZenAccessSettings.java
+++ b/src/com/android/settings/notification/ZenAccessSettings.java

@@ -37,10 +37,10 @@
 import android.os.Looper;
 import android.os.RemoteException;
 import android.provider.Settings.Secure;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.ArraySet;
 import android.util.Log;

diff --git a/src/com/android/settings/notification/ZenAutomaticRuleHeaderPreferenceController.java b/src/com/android/settings/notification/ZenAutomaticRuleHeaderPreferenceController.java
index b4ca87e..8a097a5 100644
--- a/src/com/android/settings/notification/ZenAutomaticRuleHeaderPreferenceController.java
+++ b/src/com/android/settings/notification/ZenAutomaticRuleHeaderPreferenceController.java

@@ -25,8 +25,8 @@
 import android.content.pm.PackageManager;
 import android.graphics.drawable.Drawable;
 import android.service.notification.ZenModeConfig;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.Preference;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.Preference;
 import android.util.Slog;
 import android.view.View;
 

diff --git a/src/com/android/settings/notification/ZenAutomaticRuleSwitchPreferenceController.java b/src/com/android/settings/notification/ZenAutomaticRuleSwitchPreferenceController.java
index 9294a90..599af26 100644
--- a/src/com/android/settings/notification/ZenAutomaticRuleSwitchPreferenceController.java
+++ b/src/com/android/settings/notification/ZenAutomaticRuleSwitchPreferenceController.java

@@ -19,8 +19,8 @@
 import android.app.AutomaticZenRule;
 import android.app.Fragment;
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.widget.Switch;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/notification/ZenModeAddAutomaticRulePreferenceController.java b/src/com/android/settings/notification/ZenModeAddAutomaticRulePreferenceController.java
index b2e69d8..8898b05 100644
--- a/src/com/android/settings/notification/ZenModeAddAutomaticRulePreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeAddAutomaticRulePreferenceController.java

@@ -19,8 +19,8 @@
 import android.app.Fragment;
 import android.content.Context;
 import android.content.Intent;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import com.android.settingslib.core.lifecycle.Lifecycle;
 
 import com.android.settings.utils.ZenServiceListing;

diff --git a/src/com/android/settings/notification/ZenModeAlarmsPreferenceController.java b/src/com/android/settings/notification/ZenModeAlarmsPreferenceController.java
index af59107..70c1ae9 100644
--- a/src/com/android/settings/notification/ZenModeAlarmsPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeAlarmsPreferenceController.java

@@ -19,8 +19,8 @@
 import android.app.NotificationManager.Policy;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto;

diff --git a/src/com/android/settings/notification/ZenModeAutomaticRulesPreferenceController.java b/src/com/android/settings/notification/ZenModeAutomaticRulesPreferenceController.java
index 55fe927..2ea4639 100644
--- a/src/com/android/settings/notification/ZenModeAutomaticRulesPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeAutomaticRulesPreferenceController.java

@@ -19,10 +19,10 @@
 import android.app.AutomaticZenRule;
 import android.app.Fragment;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settingslib.core.lifecycle.Lifecycle;
 

diff --git a/src/com/android/settings/notification/ZenModeAutomationPreferenceController.java b/src/com/android/settings/notification/ZenModeAutomationPreferenceController.java
index 792a272..faa0f8a 100644
--- a/src/com/android/settings/notification/ZenModeAutomationPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeAutomationPreferenceController.java

@@ -17,7 +17,7 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;

diff --git a/src/com/android/settings/notification/ZenModeBackend.java b/src/com/android/settings/notification/ZenModeBackend.java
index 3c6a026..ece2a9e 100644
--- a/src/com/android/settings/notification/ZenModeBackend.java
+++ b/src/com/android/settings/notification/ZenModeBackend.java

@@ -23,7 +23,7 @@
 import android.net.Uri;
 import android.provider.Settings;
 import android.service.notification.ZenModeConfig;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/notification/ZenModeBehaviorFooterPreferenceController.java b/src/com/android/settings/notification/ZenModeBehaviorFooterPreferenceController.java
index a1c2b01..a36c266 100644
--- a/src/com/android/settings/notification/ZenModeBehaviorFooterPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeBehaviorFooterPreferenceController.java

@@ -21,7 +21,7 @@
 import android.net.Uri;
 import android.provider.Settings;
 import android.service.notification.ZenModeConfig;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.Slog;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/notification/ZenModeBehaviorPreferenceController.java b/src/com/android/settings/notification/ZenModeBehaviorPreferenceController.java
index cf6218c..908ec04 100644
--- a/src/com/android/settings/notification/ZenModeBehaviorPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeBehaviorPreferenceController.java

@@ -17,7 +17,7 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.lifecycle.Lifecycle;

diff --git a/src/com/android/settings/notification/ZenModeBlockedEffectsPreferenceController.java b/src/com/android/settings/notification/ZenModeBlockedEffectsPreferenceController.java
index 9500320..b017cac 100644
--- a/src/com/android/settings/notification/ZenModeBlockedEffectsPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeBlockedEffectsPreferenceController.java

@@ -17,7 +17,7 @@
 package com.android.settings.notification;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.lifecycle.Lifecycle;

diff --git a/src/com/android/settings/notification/ZenModeBlockedEffectsSettings.java b/src/com/android/settings/notification/ZenModeBlockedEffectsSettings.java
index bda98ea..340f9e1 100644
--- a/src/com/android/settings/notification/ZenModeBlockedEffectsSettings.java
+++ b/src/com/android/settings/notification/ZenModeBlockedEffectsSettings.java

@@ -27,7 +27,7 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
-import android.support.v7.preference.CheckBoxPreference;
+import androidx.preference.CheckBoxPreference;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;

diff --git a/src/com/android/settings/notification/ZenModeButtonPreferenceController.java b/src/com/android/settings/notification/ZenModeButtonPreferenceController.java
index 12008a1..ac9497d 100644
--- a/src/com/android/settings/notification/ZenModeButtonPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeButtonPreferenceController.java

@@ -19,7 +19,7 @@
 import android.app.FragmentManager;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.view.View;
 import android.widget.Button;
 

diff --git a/src/com/android/settings/notification/ZenModeCallsPreferenceController.java b/src/com/android/settings/notification/ZenModeCallsPreferenceController.java
index ef1b09a..1b6c122 100644
--- a/src/com/android/settings/notification/ZenModeCallsPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeCallsPreferenceController.java

@@ -19,9 +19,9 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.internal.annotations.VisibleForTesting;

diff --git a/src/com/android/settings/notification/ZenModeDurationPreferenceController.java b/src/com/android/settings/notification/ZenModeDurationPreferenceController.java
index 0cd0eb3..5e58444 100644
--- a/src/com/android/settings/notification/ZenModeDurationPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeDurationPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.app.FragmentManager;
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/notification/ZenModeEventRuleSettings.java b/src/com/android/settings/notification/ZenModeEventRuleSettings.java
index 9263d3a..51ea517 100644
--- a/src/com/android/settings/notification/ZenModeEventRuleSettings.java
+++ b/src/com/android/settings/notification/ZenModeEventRuleSettings.java

@@ -26,10 +26,10 @@
 import android.provider.Settings;
 import android.service.notification.ZenModeConfig;
 import android.service.notification.ZenModeConfig.EventInfo;
-import android.support.v7.preference.DropDownPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.DropDownPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;

diff --git a/src/com/android/settings/notification/ZenModeEventsPreferenceController.java b/src/com/android/settings/notification/ZenModeEventsPreferenceController.java
index 4423494..8ca6cf6 100644
--- a/src/com/android/settings/notification/ZenModeEventsPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeEventsPreferenceController.java

@@ -19,8 +19,8 @@
 import android.app.NotificationManager.Policy;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 

diff --git a/src/com/android/settings/notification/ZenModeMediaPreferenceController.java b/src/com/android/settings/notification/ZenModeMediaPreferenceController.java
index 12cedf2..d8099be 100644
--- a/src/com/android/settings/notification/ZenModeMediaPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeMediaPreferenceController.java

@@ -19,8 +19,8 @@
 import android.app.NotificationManager.Policy;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.settingslib.core.lifecycle.Lifecycle;

diff --git a/src/com/android/settings/notification/ZenModeMessagesPreferenceController.java b/src/com/android/settings/notification/ZenModeMessagesPreferenceController.java
index 93d4aa7..5939abb 100644
--- a/src/com/android/settings/notification/ZenModeMessagesPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeMessagesPreferenceController.java

@@ -3,9 +3,9 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.internal.annotations.VisibleForTesting;

diff --git a/src/com/android/settings/notification/ZenModePreferenceController.java b/src/com/android/settings/notification/ZenModePreferenceController.java
index 5c9c33b..0d94029 100644
--- a/src/com/android/settings/notification/ZenModePreferenceController.java
+++ b/src/com/android/settings/notification/ZenModePreferenceController.java

@@ -23,8 +23,8 @@
 import android.os.Handler;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.Slog;
 
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/notification/ZenModeRemindersPreferenceController.java b/src/com/android/settings/notification/ZenModeRemindersPreferenceController.java
index b6c2922..c0f319a 100644
--- a/src/com/android/settings/notification/ZenModeRemindersPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeRemindersPreferenceController.java

@@ -19,8 +19,8 @@
 import android.app.NotificationManager;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto;

diff --git a/src/com/android/settings/notification/ZenModeRepeatCallersPreferenceController.java b/src/com/android/settings/notification/ZenModeRepeatCallersPreferenceController.java
index 765d407..e3f5c2f 100644
--- a/src/com/android/settings/notification/ZenModeRepeatCallersPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeRepeatCallersPreferenceController.java

@@ -19,9 +19,9 @@
 import android.app.NotificationManager.Policy;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto;

diff --git a/src/com/android/settings/notification/ZenModeRuleSettingsBase.java b/src/com/android/settings/notification/ZenModeRuleSettingsBase.java
index b5ea9c4..576da16 100644
--- a/src/com/android/settings/notification/ZenModeRuleSettingsBase.java
+++ b/src/com/android/settings/notification/ZenModeRuleSettingsBase.java

@@ -23,8 +23,8 @@
 import android.net.Uri;
 import android.os.Bundle;
 import android.service.notification.ConditionProviderService;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 import android.widget.Toast;
 

diff --git a/src/com/android/settings/notification/ZenModeScheduleRuleSettings.java b/src/com/android/settings/notification/ZenModeScheduleRuleSettings.java
index 4633f88..50ecd8b 100644
--- a/src/com/android/settings/notification/ZenModeScheduleRuleSettings.java
+++ b/src/com/android/settings/notification/ZenModeScheduleRuleSettings.java

@@ -28,10 +28,10 @@
 import android.provider.Settings;
 import android.service.notification.ZenModeConfig;
 import android.service.notification.ZenModeConfig.ScheduleInfo;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceScreen;
 import android.text.format.DateFormat;
 import android.util.Log;
 import android.widget.TimePicker;

diff --git a/src/com/android/settings/notification/ZenModeSettings.java b/src/com/android/settings/notification/ZenModeSettings.java
index b3c93eb..15888cb 100644
--- a/src/com/android/settings/notification/ZenModeSettings.java
+++ b/src/com/android/settings/notification/ZenModeSettings.java

@@ -24,8 +24,8 @@
 import android.provider.SearchIndexableResource;
 import android.provider.Settings;
 import android.service.notification.ZenModeConfig;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.CheckBoxPreference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.CheckBoxPreference;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;

diff --git a/src/com/android/settings/notification/ZenModeSettingsFooterPreferenceController.java b/src/com/android/settings/notification/ZenModeSettingsFooterPreferenceController.java
index 752fe44..c21f23d 100644
--- a/src/com/android/settings/notification/ZenModeSettingsFooterPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeSettingsFooterPreferenceController.java

@@ -20,7 +20,7 @@
 import android.net.Uri;
 import android.provider.Settings;
 import android.service.notification.ZenModeConfig;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settingslib.core.lifecycle.Lifecycle;

diff --git a/src/com/android/settings/notification/ZenModeSystemPreferenceController.java b/src/com/android/settings/notification/ZenModeSystemPreferenceController.java
index 364c829..b41f11e 100644
--- a/src/com/android/settings/notification/ZenModeSystemPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeSystemPreferenceController.java

@@ -19,8 +19,8 @@
 import android.app.NotificationManager.Policy;
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto;

diff --git a/src/com/android/settings/notification/ZenModeVisEffectPreferenceController.java b/src/com/android/settings/notification/ZenModeVisEffectPreferenceController.java
index 67fd822..4c49224 100644
--- a/src/com/android/settings/notification/ZenModeVisEffectPreferenceController.java
+++ b/src/com/android/settings/notification/ZenModeVisEffectPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.app.NotificationManager;
 import android.content.Context;
-import android.support.v7.preference.CheckBoxPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.CheckBoxPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.lifecycle.Lifecycle;

diff --git a/src/com/android/settings/notification/ZenOnboardingActivity.java b/src/com/android/settings/notification/ZenOnboardingActivity.java
index b38bad6..916af50 100644
--- a/src/com/android/settings/notification/ZenOnboardingActivity.java
+++ b/src/com/android/settings/notification/ZenOnboardingActivity.java

@@ -21,7 +21,7 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.view.View;
 import android.widget.CheckBox;
 

diff --git a/src/com/android/settings/notification/ZenRulePreference.java b/src/com/android/settings/notification/ZenRulePreference.java
index fee390f..1bb1538 100644
--- a/src/com/android/settings/notification/ZenRulePreference.java
+++ b/src/com/android/settings/notification/ZenRulePreference.java

@@ -24,8 +24,8 @@
 import android.content.pm.PackageManager;
 import android.content.pm.ServiceInfo;
 import android.service.notification.ZenModeConfig;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.view.View;
 
 import com.android.internal.logging.nano.MetricsProto;

diff --git a/src/com/android/settings/overlay/FeatureFactoryImpl.java b/src/com/android/settings/overlay/FeatureFactoryImpl.java
index b652c66..f663b8f 100644
--- a/src/com/android/settings/overlay/FeatureFactoryImpl.java
+++ b/src/com/android/settings/overlay/FeatureFactoryImpl.java

@@ -21,7 +21,7 @@
 import android.content.Context;
 import android.net.ConnectivityManager;
 import android.os.UserManager;
-import android.support.annotation.Keep;
+import androidx.annotation.Keep;
 
 import com.android.settings.accounts.AccountFeatureProvider;
 import com.android.settings.accounts.AccountFeatureProviderImpl;

diff --git a/src/com/android/settings/overlay/SurveyFeatureProvider.java b/src/com/android/settings/overlay/SurveyFeatureProvider.java
index 416a602..d078d39 100644
--- a/src/com/android/settings/overlay/SurveyFeatureProvider.java
+++ b/src/com/android/settings/overlay/SurveyFeatureProvider.java

@@ -19,8 +19,8 @@
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.IntentFilter;
-import android.support.annotation.Nullable;
-import android.support.v4.content.LocalBroadcastManager;
+import androidx.annotation.Nullable;
+import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 
 /**
  * An interface for classes wishing to provide the ability to serve surveys to implement.

diff --git a/src/com/android/settings/password/ChooseLockGeneric.java b/src/com/android/settings/password/ChooseLockGeneric.java
index 62978b3..add05e4 100644
--- a/src/com/android/settings/password/ChooseLockGeneric.java
+++ b/src/com/android/settings/password/ChooseLockGeneric.java

@@ -39,9 +39,9 @@
 import android.os.UserManager;
 import android.os.storage.StorageManager;
 import android.security.KeyStore;
-import android.support.annotation.StringRes;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.StringRes;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.EventLog;
 import android.util.Log;

diff --git a/src/com/android/settings/password/ChooseLockGenericController.java b/src/com/android/settings/password/ChooseLockGenericController.java
index a6a1701..2550510 100644
--- a/src/com/android/settings/password/ChooseLockGenericController.java
+++ b/src/com/android/settings/password/ChooseLockGenericController.java

@@ -19,8 +19,8 @@
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
 import android.os.UserHandle;
-import android.support.annotation.NonNull;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.NonNull;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.R;
 

diff --git a/src/com/android/settings/password/ChooseLockPassword.java b/src/com/android/settings/password/ChooseLockPassword.java
index 14f7d6b..7fe2a8e 100644
--- a/src/com/android/settings/password/ChooseLockPassword.java
+++ b/src/com/android/settings/password/ChooseLockPassword.java

@@ -34,9 +34,9 @@
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
-import android.support.annotation.StringRes;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.StringRes;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.Editable;
 import android.text.InputType;
 import android.text.Selection;

diff --git a/src/com/android/settings/password/PasswordRequirementAdapter.java b/src/com/android/settings/password/PasswordRequirementAdapter.java
index 5fcd8a9..0148ca5 100644
--- a/src/com/android/settings/password/PasswordRequirementAdapter.java
+++ b/src/com/android/settings/password/PasswordRequirementAdapter.java

@@ -16,7 +16,7 @@
 
 package com.android.settings.password;
 
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

diff --git a/src/com/android/settings/password/SetupChooseLockGeneric.java b/src/com/android/settings/password/SetupChooseLockGeneric.java
index 179bd79..a720473 100644
--- a/src/com/android/settings/password/SetupChooseLockGeneric.java
+++ b/src/com/android/settings/password/SetupChooseLockGeneric.java

@@ -22,9 +22,9 @@
 import android.content.res.Resources;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.Preference;
-import android.support.v7.widget.RecyclerView;
+import androidx.preference.PreferenceFragment;
+import androidx.preference.Preference;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

diff --git a/src/com/android/settings/password/SetupChooseLockPassword.java b/src/com/android/settings/password/SetupChooseLockPassword.java
index 5c70736..56b66a3 100644
--- a/src/com/android/settings/password/SetupChooseLockPassword.java
+++ b/src/com/android/settings/password/SetupChooseLockPassword.java

@@ -22,7 +22,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.util.Log;
 import android.view.View;
 import android.widget.Button;

diff --git a/src/com/android/settings/password/SetupChooseLockPattern.java b/src/com/android/settings/password/SetupChooseLockPattern.java
index c9858b8..0b272f5 100644
--- a/src/com/android/settings/password/SetupChooseLockPattern.java
+++ b/src/com/android/settings/password/SetupChooseLockPattern.java

@@ -20,7 +20,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

diff --git a/src/com/android/settings/password/SetupSkipDialog.java b/src/com/android/settings/password/SetupSkipDialog.java
index adc645e..f5396c4 100644
--- a/src/com/android/settings/password/SetupSkipDialog.java
+++ b/src/com/android/settings/password/SetupSkipDialog.java

@@ -22,7 +22,7 @@
 import android.app.FragmentManager;
 import android.content.DialogInterface;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;

diff --git a/src/com/android/settings/print/PrintJobSettingsFragment.java b/src/com/android/settings/print/PrintJobSettingsFragment.java
index c16642a..bb50d0a 100644
--- a/src/com/android/settings/print/PrintJobSettingsFragment.java
+++ b/src/com/android/settings/print/PrintJobSettingsFragment.java

@@ -25,7 +25,7 @@
 import android.print.PrintJobInfo;
 import android.print.PrintManager;
 import android.print.PrintManager.PrintJobStateChangeListener;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.text.format.DateUtils;
 import android.util.Log;

diff --git a/src/com/android/settings/print/PrintSettingPreferenceController.java b/src/com/android/settings/print/PrintSettingPreferenceController.java
index 14eb907..38e3b4a 100644
--- a/src/com/android/settings/print/PrintSettingPreferenceController.java
+++ b/src/com/android/settings/print/PrintSettingPreferenceController.java

@@ -24,8 +24,8 @@
 import android.print.PrintJobInfo;
 import android.print.PrintManager;
 import android.printservice.PrintServiceInfo;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;

diff --git a/src/com/android/settings/print/PrintSettingsFragment.java b/src/com/android/settings/print/PrintSettingsFragment.java
index c2cf87f..dca1f58 100644
--- a/src/com/android/settings/print/PrintSettingsFragment.java
+++ b/src/com/android/settings/print/PrintSettingsFragment.java

@@ -39,8 +39,8 @@
 import android.printservice.PrintServiceInfo;
 import android.provider.SearchIndexableResource;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
 import android.text.TextUtils;
 import android.text.format.DateUtils;
 import android.util.Log;

diff --git a/src/com/android/settings/search/BaseSearchIndexProvider.java b/src/com/android/settings/search/BaseSearchIndexProvider.java
index dbd28a3..3864750 100644
--- a/src/com/android/settings/search/BaseSearchIndexProvider.java
+++ b/src/com/android/settings/search/BaseSearchIndexProvider.java

@@ -20,8 +20,8 @@
 import android.content.Context;
 import android.content.res.XmlResourceParser;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.CallSuper;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.CallSuper;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.Log;

diff --git a/src/com/android/settings/search/DatabaseIndexingManager.java b/src/com/android/settings/search/DatabaseIndexingManager.java
index 0c02b67..a01ca68 100644
--- a/src/com/android/settings/search/DatabaseIndexingManager.java
+++ b/src/com/android/settings/search/DatabaseIndexingManager.java

@@ -55,7 +55,7 @@
 import android.os.Build;
 import android.provider.SearchIndexablesContract;
 import android.provider.SearchIndexablesContract.SiteMapColumns;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.Log;
 

diff --git a/src/com/android/settings/search/IndexDatabaseHelper.java b/src/com/android/settings/search/IndexDatabaseHelper.java
index 5b47616..7c87bf7 100644
--- a/src/com/android/settings/search/IndexDatabaseHelper.java
+++ b/src/com/android/settings/search/IndexDatabaseHelper.java

@@ -23,7 +23,7 @@
 import android.database.sqlite.SQLiteOpenHelper;
 import android.os.Build;
 import android.provider.SearchIndexablesContract.SiteMapColumns;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.Log;
 

diff --git a/src/com/android/settings/search/indexing/IndexDataConverter.java b/src/com/android/settings/search/indexing/IndexDataConverter.java
index 5d20704..8aa84fa 100644
--- a/src/com/android/settings/search/indexing/IndexDataConverter.java
+++ b/src/com/android/settings/search/indexing/IndexDataConverter.java

@@ -23,7 +23,7 @@
 import android.content.res.XmlResourceParser;
 import android.provider.SearchIndexableData;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.DrawableRes;
+import androidx.annotation.DrawableRes;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.Log;

diff --git a/src/com/android/settings/security/ChangeProfileScreenLockPreferenceController.java b/src/com/android/settings/security/ChangeProfileScreenLockPreferenceController.java
index ec41a54..c244e47 100644
--- a/src/com/android/settings/security/ChangeProfileScreenLockPreferenceController.java
+++ b/src/com/android/settings/security/ChangeProfileScreenLockPreferenceController.java

@@ -21,7 +21,7 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/security/ChangeScreenLockPreferenceController.java b/src/com/android/settings/security/ChangeScreenLockPreferenceController.java
index d9e339b..5188d1c 100644
--- a/src/com/android/settings/security/ChangeScreenLockPreferenceController.java
+++ b/src/com/android/settings/security/ChangeScreenLockPreferenceController.java

@@ -21,8 +21,8 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.os.storage.StorageManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.internal.widget.LockPatternUtils;

diff --git a/src/com/android/settings/security/ConfigureKeyGuardDialog.java b/src/com/android/settings/security/ConfigureKeyGuardDialog.java
index dfe3bbe..f5d9068 100644
--- a/src/com/android/settings/security/ConfigureKeyGuardDialog.java
+++ b/src/com/android/settings/security/ConfigureKeyGuardDialog.java

@@ -23,7 +23,7 @@
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.CredentialStorage;

diff --git a/src/com/android/settings/security/CredentialStoragePreferenceController.java b/src/com/android/settings/security/CredentialStoragePreferenceController.java
index 53f11f5..3bf61f6 100644
--- a/src/com/android/settings/security/CredentialStoragePreferenceController.java
+++ b/src/com/android/settings/security/CredentialStoragePreferenceController.java

@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.os.UserManager;
 import android.security.KeyStore;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.R;
 

diff --git a/src/com/android/settings/security/CryptKeeperSettings.java b/src/com/android/settings/security/CryptKeeperSettings.java
index 64f5abb..72ae0a7 100644
--- a/src/com/android/settings/security/CryptKeeperSettings.java
+++ b/src/com/android/settings/security/CryptKeeperSettings.java

@@ -28,7 +28,7 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.storage.StorageManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;

diff --git a/src/com/android/settings/security/EncryptionStatusPreferenceController.java b/src/com/android/settings/security/EncryptionStatusPreferenceController.java
index 8125599..6c73ecc 100644
--- a/src/com/android/settings/security/EncryptionStatusPreferenceController.java
+++ b/src/com/android/settings/security/EncryptionStatusPreferenceController.java

@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.internal.widget.LockPatternUtils;

diff --git a/src/com/android/settings/security/LockUnificationPreferenceController.java b/src/com/android/settings/security/LockUnificationPreferenceController.java
index d6c6681..ca6dc2d 100644
--- a/src/com/android/settings/security/LockUnificationPreferenceController.java
+++ b/src/com/android/settings/security/LockUnificationPreferenceController.java

@@ -27,8 +27,8 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.R;

diff --git a/src/com/android/settings/security/LockscreenDashboardFragment.java b/src/com/android/settings/security/LockscreenDashboardFragment.java
index 209eb01..c9ed2c2 100644
--- a/src/com/android/settings/security/LockscreenDashboardFragment.java
+++ b/src/com/android/settings/security/LockscreenDashboardFragment.java

@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.provider.SearchIndexableResource;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;

diff --git a/src/com/android/settings/security/OwnerInfoPreferenceController.java b/src/com/android/settings/security/OwnerInfoPreferenceController.java
index 395e532..01a0290 100644
--- a/src/com/android/settings/security/OwnerInfoPreferenceController.java
+++ b/src/com/android/settings/security/OwnerInfoPreferenceController.java

@@ -18,10 +18,10 @@
 import android.app.Fragment;
 import android.content.Context;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/security/ResetCredentialsPreferenceController.java b/src/com/android/settings/security/ResetCredentialsPreferenceController.java
index 7b91b15..d77fa62 100644
--- a/src/com/android/settings/security/ResetCredentialsPreferenceController.java
+++ b/src/com/android/settings/security/ResetCredentialsPreferenceController.java

@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.os.UserManager;
 import android.security.KeyStore;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settingslib.RestrictedPreference;
 import com.android.settingslib.core.lifecycle.Lifecycle;

diff --git a/src/com/android/settings/security/ScreenPinningSettings.java b/src/com/android/settings/security/ScreenPinningSettings.java
index f7efa01..c0f9dc8 100644
--- a/src/com/android/settings/security/ScreenPinningSettings.java
+++ b/src/com/android/settings/security/ScreenPinningSettings.java

@@ -22,10 +22,10 @@
 import android.os.UserHandle;
 import android.provider.SearchIndexableResource;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceScreen;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

diff --git a/src/com/android/settings/security/SimLockPreferenceController.java b/src/com/android/settings/security/SimLockPreferenceController.java
index 797f098..683b99a 100644
--- a/src/com/android/settings/security/SimLockPreferenceController.java
+++ b/src/com/android/settings/security/SimLockPreferenceController.java

@@ -19,8 +19,8 @@
 import android.content.Context;
 import android.os.PersistableBundle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.CarrierConfigManager;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;

diff --git a/src/com/android/settings/security/VisiblePatternProfilePreferenceController.java b/src/com/android/settings/security/VisiblePatternProfilePreferenceController.java
index 55448e2..ffb26bc 100644
--- a/src/com/android/settings/security/VisiblePatternProfilePreferenceController.java
+++ b/src/com/android/settings/security/VisiblePatternProfilePreferenceController.java

@@ -21,8 +21,8 @@
 import android.content.Context;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.Utils;

diff --git a/src/com/android/settings/security/screenlock/LockAfterTimeoutPreferenceController.java b/src/com/android/settings/security/screenlock/LockAfterTimeoutPreferenceController.java
index 71a33f7..c2bd38b 100644
--- a/src/com/android/settings/security/screenlock/LockAfterTimeoutPreferenceController.java
+++ b/src/com/android/settings/security/screenlock/LockAfterTimeoutPreferenceController.java

@@ -22,7 +22,7 @@
 import android.content.Context;
 import android.os.UserHandle;
 import android.provider.Settings;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.Log;
 

diff --git a/src/com/android/settings/security/screenlock/LockScreenPreferenceController.java b/src/com/android/settings/security/screenlock/LockScreenPreferenceController.java
index d42af2d..1624f12 100644
--- a/src/com/android/settings/security/screenlock/LockScreenPreferenceController.java
+++ b/src/com/android/settings/security/screenlock/LockScreenPreferenceController.java

@@ -20,8 +20,8 @@
 
 import android.content.Context;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.core.BasePreferenceController;

diff --git a/src/com/android/settings/security/screenlock/PatternVisiblePreferenceController.java b/src/com/android/settings/security/screenlock/PatternVisiblePreferenceController.java
index beddd4b..5f43680 100644
--- a/src/com/android/settings/security/screenlock/PatternVisiblePreferenceController.java
+++ b/src/com/android/settings/security/screenlock/PatternVisiblePreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.TwoStatePreference;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/security/screenlock/PowerButtonInstantLockPreferenceController.java b/src/com/android/settings/security/screenlock/PowerButtonInstantLockPreferenceController.java
index 1a32a0e..6421bd9 100644
--- a/src/com/android/settings/security/screenlock/PowerButtonInstantLockPreferenceController.java
+++ b/src/com/android/settings/security/screenlock/PowerButtonInstantLockPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.TwoStatePreference;
+import androidx.preference.Preference;
+import androidx.preference.TwoStatePreference;
 import android.text.TextUtils;
 
 import com.android.internal.widget.LockPatternUtils;

diff --git a/src/com/android/settings/security/trustagent/ManageTrustAgentsPreferenceController.java b/src/com/android/settings/security/trustagent/ManageTrustAgentsPreferenceController.java
index 3e39860..b09b50a 100644
--- a/src/com/android/settings/security/trustagent/ManageTrustAgentsPreferenceController.java
+++ b/src/com/android/settings/security/trustagent/ManageTrustAgentsPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.R;

diff --git a/src/com/android/settings/security/trustagent/TrustAgentListPreferenceController.java b/src/com/android/settings/security/trustagent/TrustAgentListPreferenceController.java
index ec81aad..89d8de7 100644
--- a/src/com/android/settings/security/trustagent/TrustAgentListPreferenceController.java
+++ b/src/com/android/settings/security/trustagent/TrustAgentListPreferenceController.java

@@ -23,10 +23,10 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.internal.widget.LockPatternUtils;

diff --git a/src/com/android/settings/security/trustagent/TrustAgentManager.java b/src/com/android/settings/security/trustagent/TrustAgentManager.java
index 3710905..7dcb832 100644
--- a/src/com/android/settings/security/trustagent/TrustAgentManager.java
+++ b/src/com/android/settings/security/trustagent/TrustAgentManager.java

@@ -29,7 +29,7 @@
 import android.content.res.XmlResourceParser;
 import android.os.UserHandle;
 import android.service.trust.TrustAgentService;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.Log;

diff --git a/src/com/android/settings/security/trustagent/TrustAgentSettings.java b/src/com/android/settings/security/trustagent/TrustAgentSettings.java
index b7f89ba..02d354a 100644
--- a/src/com/android/settings/security/trustagent/TrustAgentSettings.java
+++ b/src/com/android/settings/security/trustagent/TrustAgentSettings.java

@@ -28,9 +28,9 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.service.trust.TrustAgentService;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
 import android.util.ArrayMap;
 import android.util.ArraySet;
 

diff --git a/src/com/android/settings/shortcut/CreateShortcut.java b/src/com/android/settings/shortcut/CreateShortcut.java
index b078740..78969fe 100644
--- a/src/com/android/settings/shortcut/CreateShortcut.java
+++ b/src/com/android/settings/shortcut/CreateShortcut.java

@@ -33,7 +33,7 @@
 import android.graphics.drawable.LayerDrawable;
 import android.net.ConnectivityManager;
 import android.os.AsyncTask;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.view.ContextThemeWrapper;
 import android.view.LayoutInflater;
 import android.view.View;

diff --git a/src/com/android/settings/sim/SimSelectNotification.java b/src/com/android/settings/sim/SimSelectNotification.java
index 2dd2dcf..ebf34e5 100644
--- a/src/com/android/settings/sim/SimSelectNotification.java
+++ b/src/com/android/settings/sim/SimSelectNotification.java

@@ -24,7 +24,7 @@
 import android.content.Intent;
 import android.content.res.Resources;
 import android.provider.Settings;
-import android.support.v4.app.NotificationCompat;
+import androidx.core.app.NotificationCompat;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;

diff --git a/src/com/android/settings/sim/SimSettings.java b/src/com/android/settings/sim/SimSettings.java
index 2211d47..dd3fc52 100644
--- a/src/com/android/settings/sim/SimSettings.java
+++ b/src/com/android/settings/sim/SimSettings.java

@@ -23,8 +23,8 @@
 import android.os.Bundle;
 import android.os.SystemProperties;
 import android.provider.SearchIndexableResource;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telecom.PhoneAccountHandle;
 import android.telecom.TelecomManager;
 import android.telephony.PhoneNumberUtils;

diff --git a/src/com/android/settings/slices/SettingsSliceProvider.java b/src/com/android/settings/slices/SettingsSliceProvider.java
index 70e9d76..74e3078 100644
--- a/src/com/android/settings/slices/SettingsSliceProvider.java
+++ b/src/com/android/settings/slices/SettingsSliceProvider.java

@@ -25,9 +25,9 @@
 import android.net.Uri;
 import android.net.wifi.WifiManager;
 import android.provider.Settings;
+import androidx.annotation.VisibleForTesting;
 import android.provider.SettingsSlicesContract;
-import android.support.annotation.VisibleForTesting;
-import android.support.v4.graphics.drawable.IconCompat;
+import androidx.core.graphics.drawable.IconCompat;
 import android.text.TextUtils;
 import android.util.Log;
 import android.util.Pair;

diff --git a/src/com/android/settings/slices/SliceBuilderUtils.java b/src/com/android/settings/slices/SliceBuilderUtils.java
index cdc8d59..b5cee20 100644
--- a/src/com/android/settings/slices/SliceBuilderUtils.java
+++ b/src/com/android/settings/slices/SliceBuilderUtils.java

@@ -45,7 +45,7 @@
 import com.android.settings.search.DatabaseIndexingUtils;
 import com.android.settingslib.core.AbstractPreferenceController;
 
-import android.support.v4.graphics.drawable.IconCompat;
+import androidx.core.graphics.drawable.IconCompat;
 
 import androidx.slice.Slice;
 import androidx.slice.builders.ListBuilder;

diff --git a/src/com/android/settings/slices/SlicesDatabaseHelper.java b/src/com/android/settings/slices/SlicesDatabaseHelper.java
index 4334665..516aa58 100644
--- a/src/com/android/settings/slices/SlicesDatabaseHelper.java
+++ b/src/com/android/settings/slices/SlicesDatabaseHelper.java

@@ -21,7 +21,7 @@
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
 import android.os.Build;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import java.util.Locale;

diff --git a/src/com/android/settings/slices/SlicesIndexer.java b/src/com/android/settings/slices/SlicesIndexer.java
index e2ab40d..2024012 100644
--- a/src/com/android/settings/slices/SlicesIndexer.java
+++ b/src/com/android/settings/slices/SlicesIndexer.java

@@ -19,7 +19,7 @@
 import android.content.ContentValues;
 import android.content.Context;
 import android.database.sqlite.SQLiteDatabase;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.settings.dashboard.DashboardFragment;

diff --git a/src/com/android/settings/sound/AudioSwitchPreferenceController.java b/src/com/android/settings/sound/AudioSwitchPreferenceController.java
index 28ad3f5..27fd06a 100644
--- a/src/com/android/settings/sound/AudioSwitchPreferenceController.java
+++ b/src/com/android/settings/sound/AudioSwitchPreferenceController.java

@@ -32,9 +32,9 @@
 import android.media.MediaRouter.Callback;
 import android.os.Handler;
 import android.os.Looper;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.FeatureFlagUtils;
 

diff --git a/src/com/android/settings/sound/HandsFreeProfileOutputPreferenceController.java b/src/com/android/settings/sound/HandsFreeProfileOutputPreferenceController.java
index 2f21f1b..29253ac 100644
--- a/src/com/android/settings/sound/HandsFreeProfileOutputPreferenceController.java
+++ b/src/com/android/settings/sound/HandsFreeProfileOutputPreferenceController.java

@@ -21,7 +21,7 @@
 
 import android.bluetooth.BluetoothDevice;
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.util.ArrayUtils;
 import com.android.settings.R;

diff --git a/src/com/android/settings/sound/MediaOutputPreferenceController.java b/src/com/android/settings/sound/MediaOutputPreferenceController.java
index df07dc5..861a4d4 100644
--- a/src/com/android/settings/sound/MediaOutputPreferenceController.java
+++ b/src/com/android/settings/sound/MediaOutputPreferenceController.java

@@ -23,7 +23,7 @@
 import android.bluetooth.BluetoothDevice;
 import android.content.Context;
 import android.media.AudioManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.util.ArrayUtils;
 import com.android.settings.R;

diff --git a/src/com/android/settings/support/NewDeviceIntroSuggestionActivity.java b/src/com/android/settings/support/NewDeviceIntroSuggestionActivity.java
index f881e2f..771ec9c 100644
--- a/src/com/android/settings/support/NewDeviceIntroSuggestionActivity.java
+++ b/src/com/android/settings/support/NewDeviceIntroSuggestionActivity.java

@@ -23,7 +23,7 @@
 import android.content.pm.ResolveInfo;
 import android.net.Uri;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.text.format.DateUtils;
 import android.util.Log;

diff --git a/src/com/android/settings/system/SystemDashboardFragment.java b/src/com/android/settings/system/SystemDashboardFragment.java
index 8258f20..e4786f5 100644
--- a/src/com/android/settings/system/SystemDashboardFragment.java
+++ b/src/com/android/settings/system/SystemDashboardFragment.java

@@ -18,9 +18,9 @@
 import android.content.Context;
 import android.os.Bundle;
 import android.provider.SearchIndexableResource;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;

diff --git a/src/com/android/settings/system/SystemUpdatePreferenceController.java b/src/com/android/settings/system/SystemUpdatePreferenceController.java
index 80d4ecb..c3cf1ad 100644
--- a/src/com/android/settings/system/SystemUpdatePreferenceController.java
+++ b/src/com/android/settings/system/SystemUpdatePreferenceController.java

@@ -25,8 +25,8 @@
 import android.os.PersistableBundle;
 import android.os.SystemUpdateManager;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.telephony.CarrierConfigManager;
 import android.text.TextUtils;
 import android.util.Log;

diff --git a/src/com/android/settings/tts/TextToSpeechSettings.java b/src/com/android/settings/tts/TextToSpeechSettings.java
index c6b20b0..7f56ef9 100644
--- a/src/com/android/settings/tts/TextToSpeechSettings.java
+++ b/src/com/android/settings/tts/TextToSpeechSettings.java

@@ -31,8 +31,8 @@
 import android.speech.tts.TextToSpeech.EngineInfo;
 import android.speech.tts.TtsEngines;
 import android.speech.tts.UtteranceProgressListener;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.Log;
 import android.util.Pair;

diff --git a/src/com/android/settings/tts/TtsEnginePreference.java b/src/com/android/settings/tts/TtsEnginePreference.java
index 9a84002..a5cb1fd 100644
--- a/src/com/android/settings/tts/TtsEnginePreference.java
+++ b/src/com/android/settings/tts/TtsEnginePreference.java

@@ -21,8 +21,8 @@
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.speech.tts.TextToSpeech.EngineInfo;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.Log;
 import android.widget.Checkable;
 import android.widget.CompoundButton;

diff --git a/src/com/android/settings/tts/TtsEnginePreferenceFragment.java b/src/com/android/settings/tts/TtsEnginePreferenceFragment.java
index 81afe8d..629f1ca 100644
--- a/src/com/android/settings/tts/TtsEnginePreferenceFragment.java
+++ b/src/com/android/settings/tts/TtsEnginePreferenceFragment.java

@@ -5,7 +5,7 @@
 import android.os.Bundle;
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.preference.PreferenceCategory;
 import android.speech.tts.TtsEngines;
 import android.speech.tts.TextToSpeech.EngineInfo;
 import com.android.settings.SettingsActivity;

diff --git a/src/com/android/settings/users/AddUserWhenLockedPreferenceController.java b/src/com/android/settings/users/AddUserWhenLockedPreferenceController.java
index 06601fa..bebc2d7 100644
--- a/src/com/android/settings/users/AddUserWhenLockedPreferenceController.java
+++ b/src/com/android/settings/users/AddUserWhenLockedPreferenceController.java

@@ -17,7 +17,7 @@
 
 import android.content.Context;
 import android.provider.Settings.Global;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.RestrictedSwitchPreference;

diff --git a/src/com/android/settings/users/AppRestrictionsFragment.java b/src/com/android/settings/users/AppRestrictionsFragment.java
index d487c70..db13242 100644
--- a/src/com/android/settings/users/AppRestrictionsFragment.java
+++ b/src/com/android/settings/users/AppRestrictionsFragment.java

@@ -36,14 +36,14 @@
 import android.os.ServiceManager;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v14.preference.MultiSelectListPreference;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.MultiSelectListPreference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceViewHolder;
 import android.util.Log;
 import android.view.View;
 import android.view.View.OnClickListener;

diff --git a/src/com/android/settings/users/AutoSyncDataPreferenceController.java b/src/com/android/settings/users/AutoSyncDataPreferenceController.java
index 920e350..42de892 100644
--- a/src/com/android/settings/users/AutoSyncDataPreferenceController.java
+++ b/src/com/android/settings/users/AutoSyncDataPreferenceController.java

@@ -26,8 +26,8 @@
 import android.os.Process;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto;

diff --git a/src/com/android/settings/users/EditUserPhotoController.java b/src/com/android/settings/users/EditUserPhotoController.java
index c348b4aa..9368b81 100644
--- a/src/com/android/settings/users/EditUserPhotoController.java
+++ b/src/com/android/settings/users/EditUserPhotoController.java

@@ -38,7 +38,7 @@
 import android.os.UserManager;
 import android.provider.ContactsContract.DisplayPhoto;
 import android.provider.MediaStore;
-import android.support.v4.content.FileProvider;
+import androidx.core.content.FileProvider;
 import android.util.Log;
 import android.view.Gravity;
 import android.view.View;

diff --git a/src/com/android/settings/users/UserDetailsSettings.java b/src/com/android/settings/users/UserDetailsSettings.java
index 47aed02..d18e2ea 100644
--- a/src/com/android/settings/users/UserDetailsSettings.java
+++ b/src/com/android/settings/users/UserDetailsSettings.java

@@ -23,8 +23,8 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;

diff --git a/src/com/android/settings/users/UserPreference.java b/src/com/android/settings/users/UserPreference.java
index 8b53dd4..391e13a 100644
--- a/src/com/android/settings/users/UserPreference.java
+++ b/src/com/android/settings/users/UserPreference.java

@@ -20,7 +20,7 @@
 import android.graphics.drawable.Drawable;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.View.OnClickListener;

diff --git a/src/com/android/settings/users/UserSettings.java b/src/com/android/settings/users/UserSettings.java
index 3b1a4de..2c8eed5 100644
--- a/src/com/android/settings/users/UserSettings.java
+++ b/src/com/android/settings/users/UserSettings.java

@@ -43,12 +43,12 @@
 import android.provider.ContactsContract;
 import android.provider.SearchIndexableResource;
 import android.provider.Settings.Global;
-import android.support.annotation.VisibleForTesting;
-import android.support.annotation.WorkerThread;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.annotation.WorkerThread;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 import android.util.SparseArray;
 import android.view.Menu;

diff --git a/src/com/android/settings/utils/ManagedServiceSettings.java b/src/com/android/settings/utils/ManagedServiceSettings.java
index e89757c..71f52f8 100644
--- a/src/com/android/settings/utils/ManagedServiceSettings.java
+++ b/src/com/android/settings/utils/ManagedServiceSettings.java

@@ -30,8 +30,8 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceScreen;
 import android.util.IconDrawableFactory;
 import android.util.Log;
 import android.view.View;

diff --git a/src/com/android/settings/utils/SettingsDividerItemDecoration.java b/src/com/android/settings/utils/SettingsDividerItemDecoration.java
index 451d532..32844d5 100644
--- a/src/com/android/settings/utils/SettingsDividerItemDecoration.java
+++ b/src/com/android/settings/utils/SettingsDividerItemDecoration.java

@@ -17,8 +17,8 @@
 package com.android.settings.utils;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
-import android.support.v7.widget.RecyclerView;
+import androidx.preference.PreferenceViewHolder;
+import androidx.recyclerview.widget.RecyclerView;
 
 import com.android.setupwizardlib.DividerItemDecoration;
 

diff --git a/src/com/android/settings/vpn2/AppManagementFragment.java b/src/com/android/settings/vpn2/AppManagementFragment.java
index b554c83..1d77caf 100644
--- a/src/com/android/settings/vpn2/AppManagementFragment.java
+++ b/src/com/android/settings/vpn2/AppManagementFragment.java

@@ -34,7 +34,7 @@
 import android.os.ServiceManager;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.util.Log;
 

diff --git a/src/com/android/settings/vpn2/AppPreference.java b/src/com/android/settings/vpn2/AppPreference.java
index 3369970..fc06b1e 100644
--- a/src/com/android/settings/vpn2/AppPreference.java
+++ b/src/com/android/settings/vpn2/AppPreference.java

@@ -21,13 +21,13 @@
 import android.content.pm.PackageManager;
 import android.graphics.drawable.Drawable;
 import android.os.UserHandle;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 
 import com.android.internal.net.LegacyVpnInfo;
 import com.android.internal.net.VpnConfig;
 
 /**
- * {@link android.support.v7.preference.Preference} containing information about a VPN
+ * {@link androidx.preference.Preference} containing information about a VPN
  * application. Tracks the package name and connection state.
  */
 public class AppPreference extends ManageablePreference {

diff --git a/src/com/android/settings/vpn2/LegacyVpnPreference.java b/src/com/android/settings/vpn2/LegacyVpnPreference.java
index c2d9388..1f06a95 100644
--- a/src/com/android/settings/vpn2/LegacyVpnPreference.java
+++ b/src/com/android/settings/vpn2/LegacyVpnPreference.java

@@ -19,7 +19,7 @@
 import static com.android.internal.net.LegacyVpnInfo.STATE_CONNECTED;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 import android.view.View;
 
@@ -27,7 +27,7 @@
 import com.android.settings.R;
 
 /**
- * {@link android.support.v7.preference.Preference} tracks the underlying legacy vpn profile and
+ * {@link androidx.preference.Preference} tracks the underlying legacy vpn profile and
  * its connection state.
  */
 public class LegacyVpnPreference extends ManageablePreference {

diff --git a/src/com/android/settings/vpn2/VpnSettings.java b/src/com/android/settings/vpn2/VpnSettings.java
index 0a3bfe6..f6444bf 100644
--- a/src/com/android/settings/vpn2/VpnSettings.java
+++ b/src/com/android/settings/vpn2/VpnSettings.java

@@ -40,8 +40,8 @@
 import android.os.UserManager;
 import android.security.Credentials;
 import android.security.KeyStore;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
 import android.util.ArrayMap;
 import android.util.ArraySet;
 import android.util.Log;

diff --git a/src/com/android/settings/wallpaper/WallpaperSuggestionActivity.java b/src/com/android/settings/wallpaper/WallpaperSuggestionActivity.java
index 22835f3..80910a1 100644
--- a/src/com/android/settings/wallpaper/WallpaperSuggestionActivity.java
+++ b/src/com/android/settings/wallpaper/WallpaperSuggestionActivity.java

@@ -22,7 +22,7 @@
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;

diff --git a/src/com/android/settings/wallpaper/WallpaperTypePreferenceController.java b/src/com/android/settings/wallpaper/WallpaperTypePreferenceController.java
index 5b8d723..a9f5a8a 100644
--- a/src/com/android/settings/wallpaper/WallpaperTypePreferenceController.java
+++ b/src/com/android/settings/wallpaper/WallpaperTypePreferenceController.java

@@ -22,8 +22,8 @@
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.core.BasePreferenceController;

diff --git a/src/com/android/settings/webview/WebViewAppPicker.java b/src/com/android/settings/webview/WebViewAppPicker.java
index f68d27b..6a8ab50 100644
--- a/src/com/android/settings/webview/WebViewAppPicker.java
+++ b/src/com/android/settings/webview/WebViewAppPicker.java

@@ -25,7 +25,7 @@
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageItemInfo;
 import android.content.pm.PackageManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.webkit.UserPackage;
 

diff --git a/src/com/android/settings/wfd/WifiDisplaySettings.java b/src/com/android/settings/wfd/WifiDisplaySettings.java
index 9a8ac70..156f2af 100755
--- a/src/com/android/settings/wfd/WifiDisplaySettings.java
+++ b/src/com/android/settings/wfd/WifiDisplaySettings.java

@@ -39,14 +39,14 @@
 import android.os.Looper;
 import android.provider.SearchIndexableResource;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.SwitchPreference;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.PreferenceViewHolder;
 import android.util.Slog;
 import android.util.TypedValue;
 import android.view.Menu;

diff --git a/src/com/android/settings/widget/ActionBarShadowController.java b/src/com/android/settings/widget/ActionBarShadowController.java
index 3ffa0ac..cb5e38d 100644
--- a/src/com/android/settings/widget/ActionBarShadowController.java
+++ b/src/com/android/settings/widget/ActionBarShadowController.java

@@ -18,8 +18,8 @@
 
 import android.app.ActionBar;
 import android.app.Activity;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.VisibleForTesting;
+import androidx.recyclerview.widget.RecyclerView;
 import android.view.View;
 
 import com.android.settingslib.core.lifecycle.Lifecycle;

diff --git a/src/com/android/settings/widget/ActionButtonPreference.java b/src/com/android/settings/widget/ActionButtonPreference.java
index bb5d490..64a01c7 100644
--- a/src/com/android/settings/widget/ActionButtonPreference.java
+++ b/src/com/android/settings/widget/ActionButtonPreference.java

@@ -17,9 +17,9 @@
 package com.android.settings.widget;
 
 import android.content.Context;
-import android.support.annotation.StringRes;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.StringRes;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.View;

diff --git a/src/com/android/settings/widget/AppCheckBoxPreference.java b/src/com/android/settings/widget/AppCheckBoxPreference.java
index 9cb1d78..23ee894 100644
--- a/src/com/android/settings/widget/AppCheckBoxPreference.java
+++ b/src/com/android/settings/widget/AppCheckBoxPreference.java

@@ -17,7 +17,7 @@
 package com.android.settings.widget;
 
 import android.content.Context;
-import android.support.v7.preference.CheckBoxPreference;
+import androidx.preference.CheckBoxPreference;
 import android.util.AttributeSet;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/widget/AppPreference.java b/src/com/android/settings/widget/AppPreference.java
index 8a0e6a1..3b716a3 100644
--- a/src/com/android/settings/widget/AppPreference.java
+++ b/src/com/android/settings/widget/AppPreference.java

@@ -16,8 +16,8 @@
 package com.android.settings.widget;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.View;

diff --git a/src/com/android/settings/widget/AppSwitchPreference.java b/src/com/android/settings/widget/AppSwitchPreference.java
index d67e895..b42bb3d 100644
--- a/src/com/android/settings/widget/AppSwitchPreference.java
+++ b/src/com/android/settings/widget/AppSwitchPreference.java

@@ -17,8 +17,8 @@
 package com.android.settings.widget;
 
 import android.content.Context;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.SwitchPreference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.view.View;
 

diff --git a/src/com/android/settings/widget/AspectRatioFrameLayout.java b/src/com/android/settings/widget/AspectRatioFrameLayout.java
index 52dea0f..5eab257 100644
--- a/src/com/android/settings/widget/AspectRatioFrameLayout.java
+++ b/src/com/android/settings/widget/AspectRatioFrameLayout.java

@@ -16,7 +16,7 @@
 
 import android.content.Context;
 import android.content.res.TypedArray;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.AttributeSet;
 import android.widget.FrameLayout;
 

diff --git a/src/com/android/settings/widget/DisabledCheckBoxPreference.java b/src/com/android/settings/widget/DisabledCheckBoxPreference.java
index e441e21..3966864 100644
--- a/src/com/android/settings/widget/DisabledCheckBoxPreference.java
+++ b/src/com/android/settings/widget/DisabledCheckBoxPreference.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.content.res.TypedArray;
-import android.support.v7.preference.CheckBoxPreference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.CheckBoxPreference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 

diff --git a/src/com/android/settings/widget/DonutView.java b/src/com/android/settings/widget/DonutView.java
index 86024bf..f8e0fcb 100644
--- a/src/com/android/settings/widget/DonutView.java
+++ b/src/com/android/settings/widget/DonutView.java

@@ -25,7 +25,7 @@
 import android.graphics.PorterDuffColorFilter;
 import android.graphics.Typeface;
 import android.icu.text.DecimalFormatSymbols;
-import android.support.annotation.ColorRes;
+import androidx.annotation.ColorRes;
 import android.text.Layout;
 import android.text.Spannable;
 import android.text.SpannableString;

diff --git a/src/com/android/settings/widget/DotsPageIndicator.java b/src/com/android/settings/widget/DotsPageIndicator.java
index 0e10d48..096338b 100644
--- a/src/com/android/settings/widget/DotsPageIndicator.java
+++ b/src/com/android/settings/widget/DotsPageIndicator.java

@@ -30,7 +30,7 @@
 import android.graphics.Path;
 import android.graphics.RectF;
 import android.os.Build;
-import android.support.v4.view.ViewPager;
+import androidx.viewpager.widget.ViewPager;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.animation.Interpolator;
@@ -188,7 +188,7 @@
 
     /***
      * As this class <b>must</b> act as the {@link ViewPager.OnPageChangeListener} for the ViewPager
-     * (as set by {@link #setViewPager(android.support.v4.view.ViewPager)}).  Applications may set a
+     * (as set by {@link #setViewPager(androidx.viewpager.widget.ViewPager)}).  Applications may set a
      * listener here to be notified of the ViewPager events.
      *
      * @param onPageChangeListener

diff --git a/src/com/android/settings/widget/EntityHeaderController.java b/src/com/android/settings/widget/EntityHeaderController.java
index f9d16cd..eeb8b79 100644
--- a/src/com/android/settings/widget/EntityHeaderController.java
+++ b/src/com/android/settings/widget/EntityHeaderController.java

@@ -33,9 +33,9 @@
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.annotation.IntDef;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.IntDef;
+import androidx.annotation.VisibleForTesting;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.LayoutInflater;

diff --git a/src/com/android/settings/widget/FixedLineSummaryPreference.java b/src/com/android/settings/widget/FixedLineSummaryPreference.java
index efc8aa2..7187c7b 100644
--- a/src/com/android/settings/widget/FixedLineSummaryPreference.java
+++ b/src/com/android/settings/widget/FixedLineSummaryPreference.java

@@ -16,8 +16,8 @@
 
 import android.content.Context;
 import android.content.res.TypedArray;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils.TruncateAt;
 import android.util.AttributeSet;
 import android.widget.TextView;

diff --git a/src/com/android/settings/widget/GearPreference.java b/src/com/android/settings/widget/GearPreference.java
index 9593798..200156b 100644
--- a/src/com/android/settings/widget/GearPreference.java
+++ b/src/com/android/settings/widget/GearPreference.java

@@ -17,7 +17,7 @@
 package com.android.settings.widget;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 

diff --git a/src/com/android/settings/widget/HighlightablePreferenceGroupAdapter.java b/src/com/android/settings/widget/HighlightablePreferenceGroupAdapter.java
index d2deda1..3a5548e 100644
--- a/src/com/android/settings/widget/HighlightablePreferenceGroupAdapter.java
+++ b/src/com/android/settings/widget/HighlightablePreferenceGroupAdapter.java

@@ -25,12 +25,12 @@
 import android.content.Context;
 import android.graphics.Color;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceGroupAdapter;
-import android.support.v7.preference.PreferenceScreen;
-import android.support.v7.preference.PreferenceViewHolder;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceGroupAdapter;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.PreferenceViewHolder;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.TextUtils;
 import android.util.Log;
 import android.util.TypedValue;

diff --git a/src/com/android/settings/widget/HotspotApBandSelectionPreference.java b/src/com/android/settings/widget/HotspotApBandSelectionPreference.java
index 4f127eb..44ad9cd 100644
--- a/src/com/android/settings/widget/HotspotApBandSelectionPreference.java
+++ b/src/com/android/settings/widget/HotspotApBandSelectionPreference.java

@@ -22,7 +22,7 @@
 import android.os.Bundle;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.Button;

diff --git a/src/com/android/settings/widget/LabeledSeekBar.java b/src/com/android/settings/widget/LabeledSeekBar.java
index 8e5a30b..7725283 100644
--- a/src/com/android/settings/widget/LabeledSeekBar.java
+++ b/src/com/android/settings/widget/LabeledSeekBar.java

@@ -20,9 +20,9 @@
 import android.content.res.Configuration;
 import android.graphics.Rect;
 import android.os.Bundle;
-import android.support.v4.view.ViewCompat;
-import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat;
-import android.support.v4.widget.ExploreByTouchHelper;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.accessibility.AccessibilityNodeInfoCompat;
+import androidx.customview.widget.ExploreByTouchHelper;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 import android.view.View;

diff --git a/src/com/android/settings/widget/MasterCheckBoxPreference.java b/src/com/android/settings/widget/MasterCheckBoxPreference.java
index fceeac2..8fe59e8 100644
--- a/src/com/android/settings/widget/MasterCheckBoxPreference.java
+++ b/src/com/android/settings/widget/MasterCheckBoxPreference.java

@@ -17,7 +17,7 @@
 package com.android.settings.widget;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.View.OnClickListener;

diff --git a/src/com/android/settings/widget/MasterSwitchController.java b/src/com/android/settings/widget/MasterSwitchController.java
index a22640c..1244d33 100644
--- a/src/com/android/settings/widget/MasterSwitchController.java
+++ b/src/com/android/settings/widget/MasterSwitchController.java

@@ -16,7 +16,7 @@
 
 package com.android.settings.widget;
 
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.widget.Switch;
 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
 

diff --git a/src/com/android/settings/widget/MasterSwitchPreference.java b/src/com/android/settings/widget/MasterSwitchPreference.java
index 73774be..765eae1 100644
--- a/src/com/android/settings/widget/MasterSwitchPreference.java
+++ b/src/com/android/settings/widget/MasterSwitchPreference.java

@@ -17,7 +17,7 @@
 package com.android.settings.widget;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.View.OnClickListener;

diff --git a/src/com/android/settings/widget/RadioButtonPickerFragment.java b/src/com/android/settings/widget/RadioButtonPickerFragment.java
index 1465c60..8142d0b 100644
--- a/src/com/android/settings/widget/RadioButtonPickerFragment.java
+++ b/src/com/android/settings/widget/RadioButtonPickerFragment.java

@@ -20,10 +20,10 @@
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.support.annotation.LayoutRes;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.LayoutRes;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.view.LayoutInflater;

diff --git a/src/com/android/settings/widget/RadioButtonPreference.java b/src/com/android/settings/widget/RadioButtonPreference.java
index 2d30687..9b5c170 100644
--- a/src/com/android/settings/widget/RadioButtonPreference.java
+++ b/src/com/android/settings/widget/RadioButtonPreference.java

@@ -17,9 +17,9 @@
 package com.android.settings.widget;
 
 import android.content.Context;
-import android.support.v4.content.res.TypedArrayUtils;
-import android.support.v7.preference.CheckBoxPreference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.core.content.res.TypedArrayUtils;
+import androidx.preference.CheckBoxPreference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.View;
@@ -53,7 +53,7 @@
 
     public RadioButtonPreference(Context context, AttributeSet attrs) {
         this(context, attrs, TypedArrayUtils.getAttr(context,
-                android.support.v7.preference.R.attr.preferenceStyle,
+                androidx.preference.R.attr.preferenceStyle,
                 android.R.attr.preferenceStyle));
     }
 

diff --git a/src/com/android/settings/widget/RestrictedAppPreference.java b/src/com/android/settings/widget/RestrictedAppPreference.java
index af6d8d1..9518c69 100644
--- a/src/com/android/settings/widget/RestrictedAppPreference.java
+++ b/src/com/android/settings/widget/RestrictedAppPreference.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.os.UserHandle;
-import android.support.v7.preference.PreferenceManager;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.View;

diff --git a/src/com/android/settings/widget/RtlCompatibleViewPager.java b/src/com/android/settings/widget/RtlCompatibleViewPager.java
index f3e4bab..ac28e7b 100644
--- a/src/com/android/settings/widget/RtlCompatibleViewPager.java
+++ b/src/com/android/settings/widget/RtlCompatibleViewPager.java

@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.os.Parcelable;
-import android.support.v4.view.ViewPager;
+import androidx.viewpager.widget.ViewPager;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.View;

diff --git a/src/com/android/settings/widget/SeekBarPreference.java b/src/com/android/settings/widget/SeekBarPreference.java
index 1ad4a20..e6bd531 100644
--- a/src/com/android/settings/widget/SeekBarPreference.java
+++ b/src/com/android/settings/widget/SeekBarPreference.java

@@ -20,8 +20,8 @@
 import android.content.res.TypedArray;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.v4.content.res.TypedArrayUtils;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.core.content.res.TypedArrayUtils;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.KeyEvent;
@@ -75,7 +75,7 @@
 
     public SeekBarPreference(Context context, AttributeSet attrs) {
         this(context, attrs, TypedArrayUtils.getAttr(context,
-                        android.support.v7.preference.R.attr.seekBarPreferenceStyle,
+                        androidx.preference.R.attr.seekBarPreferenceStyle,
                         com.android.internal.R.attr.seekBarPreferenceStyle));
     }
 

diff --git a/src/com/android/settings/widget/SlidingTabLayout.java b/src/com/android/settings/widget/SlidingTabLayout.java
index 7099646..ef024ef 100644
--- a/src/com/android/settings/widget/SlidingTabLayout.java
+++ b/src/com/android/settings/widget/SlidingTabLayout.java

@@ -17,7 +17,7 @@
 package com.android.settings.widget;
 
 import android.content.Context;
-import android.support.v4.view.PagerAdapter;
+import androidx.viewpager.widget.PagerAdapter;
 import android.util.AttributeSet;
 import android.view.Gravity;
 import android.view.LayoutInflater;

diff --git a/src/com/android/settings/widget/SwitchBar.java b/src/com/android/settings/widget/SwitchBar.java
index c33f603..4f96880 100644
--- a/src/com/android/settings/widget/SwitchBar.java
+++ b/src/com/android/settings/widget/SwitchBar.java

@@ -23,8 +23,8 @@
 import android.graphics.Rect;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.ColorInt;
-import android.support.annotation.StringRes;
+import androidx.annotation.ColorInt;
+import androidx.annotation.StringRes;
 import android.text.SpannableStringBuilder;
 import android.text.TextUtils;
 import android.text.style.TextAppearanceSpan;

diff --git a/src/com/android/settings/widget/TwoStateButtonPreference.java b/src/com/android/settings/widget/TwoStateButtonPreference.java
index 6b5fbbb..35877a0 100644
--- a/src/com/android/settings/widget/TwoStateButtonPreference.java
+++ b/src/com/android/settings/widget/TwoStateButtonPreference.java

@@ -18,7 +18,7 @@
 
 import android.content.Context;
 import android.content.res.TypedArray;
-import android.support.v4.content.res.TypedArrayUtils;
+import androidx.core.content.res.TypedArrayUtils;
 import android.util.AttributeSet;
 import android.widget.Button;
 

diff --git a/src/com/android/settings/widget/TwoStateButtonPreferenceController.java b/src/com/android/settings/widget/TwoStateButtonPreferenceController.java
index 47699ef..72bf45e 100644
--- a/src/com/android/settings/widget/TwoStateButtonPreferenceController.java
+++ b/src/com/android/settings/widget/TwoStateButtonPreferenceController.java

@@ -17,7 +17,7 @@
 package com.android.settings.widget;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 import android.view.View;
 import android.widget.Button;
 

diff --git a/src/com/android/settings/widget/ValidatedEditTextPreference.java b/src/com/android/settings/widget/ValidatedEditTextPreference.java
index 707da00..8ffffb7 100644
--- a/src/com/android/settings/widget/ValidatedEditTextPreference.java
+++ b/src/com/android/settings/widget/ValidatedEditTextPreference.java

@@ -18,8 +18,8 @@
 
 import android.app.AlertDialog;
 import android.content.Context;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceViewHolder;
 import android.text.Editable;
 import android.text.InputType;
 import android.text.TextUtils;

diff --git a/src/com/android/settings/widget/VideoPreference.java b/src/com/android/settings/widget/VideoPreference.java
index 03f8f0b..4ec9829 100644
--- a/src/com/android/settings/widget/VideoPreference.java
+++ b/src/com/android/settings/widget/VideoPreference.java

@@ -22,9 +22,9 @@
 import android.graphics.SurfaceTexture;
 import android.media.MediaPlayer;
 import android.net.Uri;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.view.Surface;

diff --git a/src/com/android/settings/widget/WorkOnlyCategory.java b/src/com/android/settings/widget/WorkOnlyCategory.java
index 53badb2..449916b 100644
--- a/src/com/android/settings/widget/WorkOnlyCategory.java
+++ b/src/com/android/settings/widget/WorkOnlyCategory.java

@@ -16,7 +16,7 @@
 
 import android.content.Context;
 import android.os.UserManager;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.preference.PreferenceCategory;
 import android.util.AttributeSet;
 
 import com.android.settings.SelfAvailablePreference;

diff --git a/src/com/android/settings/wifi/CellularFallbackPreferenceController.java b/src/com/android/settings/wifi/CellularFallbackPreferenceController.java
index 2baf261..2fefb43 100644
--- a/src/com/android/settings/wifi/CellularFallbackPreferenceController.java
+++ b/src/com/android/settings/wifi/CellularFallbackPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/wifi/ChangeWifiStateDetails.java b/src/com/android/settings/wifi/ChangeWifiStateDetails.java
index 1df11e0..1c59ddd 100644
--- a/src/com/android/settings/wifi/ChangeWifiStateDetails.java
+++ b/src/com/android/settings/wifi/ChangeWifiStateDetails.java

@@ -21,9 +21,9 @@
 import android.app.AppOpsManager;
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceChangeListener;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;

diff --git a/src/com/android/settings/wifi/ConnectedAccessPointPreference.java b/src/com/android/settings/wifi/ConnectedAccessPointPreference.java
index def48e0..1e3723e 100644
--- a/src/com/android/settings/wifi/ConnectedAccessPointPreference.java
+++ b/src/com/android/settings/wifi/ConnectedAccessPointPreference.java

@@ -17,8 +17,8 @@
 package com.android.settings.wifi;
 
 import android.content.Context;
-import android.support.annotation.DrawableRes;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.DrawableRes;
+import androidx.preference.PreferenceViewHolder;
 import android.view.View;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/wifi/LinkablePreference.java b/src/com/android/settings/wifi/LinkablePreference.java
index 9a6b11a..e4cb95b 100644
--- a/src/com/android/settings/wifi/LinkablePreference.java
+++ b/src/com/android/settings/wifi/LinkablePreference.java

@@ -17,9 +17,9 @@
 package com.android.settings.wifi;
 
 import android.content.Context;
-import android.support.annotation.Nullable;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.annotation.Nullable;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.Spannable;
 import android.text.method.LinkMovementMethod;
 import android.text.style.TextAppearanceSpan;

diff --git a/src/com/android/settings/wifi/LongPressAccessPointPreference.java b/src/com/android/settings/wifi/LongPressAccessPointPreference.java
index 93097db..213589b 100644
--- a/src/com/android/settings/wifi/LongPressAccessPointPreference.java
+++ b/src/com/android/settings/wifi/LongPressAccessPointPreference.java

@@ -17,7 +17,7 @@
 
 import android.app.Fragment;
 import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.PreferenceViewHolder;
 import android.widget.ImageView;
 import com.android.settings.R;
 import com.android.settingslib.wifi.AccessPoint;

diff --git a/src/com/android/settings/wifi/NotifyOpenNetworksPreferenceController.java b/src/com/android/settings/wifi/NotifyOpenNetworksPreferenceController.java
index 79b7653..baf273c 100644
--- a/src/com/android/settings/wifi/NotifyOpenNetworksPreferenceController.java
+++ b/src/com/android/settings/wifi/NotifyOpenNetworksPreferenceController.java

@@ -22,9 +22,9 @@
 import android.net.Uri;
 import android.os.Handler;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/wifi/RequestToggleWiFiActivity.java b/src/com/android/settings/wifi/RequestToggleWiFiActivity.java
index c641308..c45db69 100644
--- a/src/com/android/settings/wifi/RequestToggleWiFiActivity.java
+++ b/src/com/android/settings/wifi/RequestToggleWiFiActivity.java

@@ -26,7 +26,7 @@
 import android.content.pm.PackageManager;
 import android.net.wifi.WifiManager;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 import android.text.TextUtils;
 import android.util.Log;
 import android.widget.Toast;

diff --git a/src/com/android/settings/wifi/SavedAccessPointsWifiSettings.java b/src/com/android/settings/wifi/SavedAccessPointsWifiSettings.java
index 76e4557..25c97b2 100644
--- a/src/com/android/settings/wifi/SavedAccessPointsWifiSettings.java
+++ b/src/com/android/settings/wifi/SavedAccessPointsWifiSettings.java

@@ -24,9 +24,9 @@
 import android.net.wifi.WifiManager;
 import android.os.Bundle;
 import android.os.Handler;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.util.Log;
 import android.widget.Toast;
 

diff --git a/src/com/android/settings/wifi/UseOpenWifiPreferenceController.java b/src/com/android/settings/wifi/UseOpenWifiPreferenceController.java
index 5a21bb7..6bc2d98 100644
--- a/src/com/android/settings/wifi/UseOpenWifiPreferenceController.java
+++ b/src/com/android/settings/wifi/UseOpenWifiPreferenceController.java

@@ -13,10 +13,10 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/wifi/WifiAPITest.java b/src/com/android/settings/wifi/WifiAPITest.java
index 1a5eb15..35f700d 100644
--- a/src/com/android/settings/wifi/WifiAPITest.java
+++ b/src/com/android/settings/wifi/WifiAPITest.java

@@ -22,8 +22,8 @@
 import android.content.DialogInterface;
 import android.net.wifi.WifiManager;
 import android.os.Bundle;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.Editable;
 import android.widget.EditText;
 

diff --git a/src/com/android/settings/wifi/WifiConfigController.java b/src/com/android/settings/wifi/WifiConfigController.java
index db657f9..56617a4 100644
--- a/src/com/android/settings/wifi/WifiConfigController.java
+++ b/src/com/android/settings/wifi/WifiConfigController.java

@@ -38,7 +38,7 @@
 import android.os.UserManager;
 import android.security.Credentials;
 import android.security.KeyStore;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.Editable;
 import android.text.InputType;
 import android.text.TextUtils;

diff --git a/src/com/android/settings/wifi/WifiDetailPreference.java b/src/com/android/settings/wifi/WifiDetailPreference.java
index b62df56..f7ddac7 100644
--- a/src/com/android/settings/wifi/WifiDetailPreference.java
+++ b/src/com/android/settings/wifi/WifiDetailPreference.java

@@ -17,8 +17,8 @@
 package com.android.settings.wifi;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.widget.TextView;

diff --git a/src/com/android/settings/wifi/WifiDialogActivity.java b/src/com/android/settings/wifi/WifiDialogActivity.java
index e2e3d01..02ce0e4 100644
--- a/src/com/android/settings/wifi/WifiDialogActivity.java
+++ b/src/com/android/settings/wifi/WifiDialogActivity.java

@@ -24,7 +24,7 @@
 import android.net.wifi.WifiManager;
 import android.net.wifi.WifiManager.ActionListener;
 import android.os.Bundle;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.util.Log;
 
 import com.android.settings.SetupWizardUtils;

diff --git a/src/com/android/settings/wifi/WifiEnabler.java b/src/com/android/settings/wifi/WifiEnabler.java
index cdb9292..193861b 100644
--- a/src/com/android/settings/wifi/WifiEnabler.java
+++ b/src/com/android/settings/wifi/WifiEnabler.java

@@ -28,7 +28,7 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.widget.Toast;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;

diff --git a/src/com/android/settings/wifi/WifiInfoPreferenceController.java b/src/com/android/settings/wifi/WifiInfoPreferenceController.java
index c760688..ec17b08 100644
--- a/src/com/android/settings/wifi/WifiInfoPreferenceController.java
+++ b/src/com/android/settings/wifi/WifiInfoPreferenceController.java

@@ -23,9 +23,9 @@
 import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
 import android.provider.Settings;
-import android.support.v4.text.BidiFormatter;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.core.text.BidiFormatter;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/wifi/WifiMasterSwitchPreferenceController.java b/src/com/android/settings/wifi/WifiMasterSwitchPreferenceController.java
index 8843d93..cbbe8ba 100644
--- a/src/com/android/settings/wifi/WifiMasterSwitchPreferenceController.java
+++ b/src/com/android/settings/wifi/WifiMasterSwitchPreferenceController.java

@@ -16,7 +16,7 @@
 package com.android.settings.wifi;
 
 import android.content.Context;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settings.R;

diff --git a/src/com/android/settings/wifi/WifiPickerActivity.java b/src/com/android/settings/wifi/WifiPickerActivity.java
index 5d5afd3..5190441 100644
--- a/src/com/android/settings/wifi/WifiPickerActivity.java
+++ b/src/com/android/settings/wifi/WifiPickerActivity.java

@@ -16,7 +16,7 @@
 package com.android.settings.wifi;
 
 import android.content.Intent;
-import android.support.v14.preference.PreferenceFragment;
+import androidx.preference.PreferenceFragment;
 
 import com.android.settings.ButtonBarHandler;
 import com.android.settings.R;

diff --git a/src/com/android/settings/wifi/WifiScanningRequiredFragment.java b/src/com/android/settings/wifi/WifiScanningRequiredFragment.java
index d7b6708..9db766c 100644
--- a/src/com/android/settings/wifi/WifiScanningRequiredFragment.java
+++ b/src/com/android/settings/wifi/WifiScanningRequiredFragment.java

@@ -25,7 +25,7 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.Log;
 import android.widget.Toast;

diff --git a/src/com/android/settings/wifi/WifiSettings.java b/src/com/android/settings/wifi/WifiSettings.java
index e2a7f25..209e64a 100644
--- a/src/com/android/settings/wifi/WifiSettings.java
+++ b/src/com/android/settings/wifi/WifiSettings.java

@@ -39,9 +39,9 @@
 import android.os.Looper;
 import android.os.PowerManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
 import android.util.Log;
 import android.view.ContextMenu;
 import android.view.ContextMenu.ContextMenuInfo;

diff --git a/src/com/android/settings/wifi/WifiSummaryUpdater.java b/src/com/android/settings/wifi/WifiSummaryUpdater.java
index 81c531b..16031a5 100644
--- a/src/com/android/settings/wifi/WifiSummaryUpdater.java
+++ b/src/com/android/settings/wifi/WifiSummaryUpdater.java

@@ -24,7 +24,7 @@
 import android.net.NetworkScoreManager;
 import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/wifi/WifiWakeupPreferenceController.java b/src/com/android/settings/wifi/WifiWakeupPreferenceController.java
index 3eac471..0c08825 100644
--- a/src/com/android/settings/wifi/WifiWakeupPreferenceController.java
+++ b/src/com/android/settings/wifi/WifiWakeupPreferenceController.java

@@ -24,10 +24,10 @@
 import android.content.Intent;
 import android.location.LocationManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/wifi/calling/WifiCallingSettings.java b/src/com/android/settings/wifi/calling/WifiCallingSettings.java
index 7bab07a..a9c0ee9 100644
--- a/src/com/android/settings/wifi/calling/WifiCallingSettings.java
+++ b/src/com/android/settings/wifi/calling/WifiCallingSettings.java

@@ -19,7 +19,7 @@
 import android.app.Fragment;
 import android.app.FragmentManager;
 import android.os.Bundle;
-import android.support.v13.app.FragmentPagerAdapter;
+import androidx.legacy.app.FragmentPagerAdapter;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.util.Log;

diff --git a/src/com/android/settings/wifi/calling/WifiCallingSettingsForSub.java b/src/com/android/settings/wifi/calling/WifiCallingSettingsForSub.java
index 6f170a0..15137cc 100644
--- a/src/com/android/settings/wifi/calling/WifiCallingSettingsForSub.java
+++ b/src/com/android/settings/wifi/calling/WifiCallingSettingsForSub.java

@@ -25,10 +25,10 @@
 import android.content.IntentFilter;
 import android.os.Bundle;
 import android.os.PersistableBundle;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.Preference.OnPreferenceClickListener;
+import androidx.preference.PreferenceScreen;
 import android.telephony.CarrierConfigManager;
 import android.telephony.PhoneStateListener;
 import android.telephony.SubscriptionManager;

diff --git a/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java b/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java
index 2339e38..fda5ce4 100644
--- a/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java
+++ b/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java

@@ -40,10 +40,10 @@
 import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
 import android.os.Handler;
-import android.support.v4.text.BidiFormatter;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.core.text.BidiFormatter;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.Log;
 import android.widget.ImageView;

diff --git a/src/com/android/settings/wifi/details/WifiMeteredPreferenceController.java b/src/com/android/settings/wifi/details/WifiMeteredPreferenceController.java
index 3a515cc..097a49b 100644
--- a/src/com/android/settings/wifi/details/WifiMeteredPreferenceController.java
+++ b/src/com/android/settings/wifi/details/WifiMeteredPreferenceController.java

@@ -21,11 +21,11 @@
 import android.net.wifi.WifiConfiguration;
 import android.net.wifi.WifiManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.DropDownPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.SwitchPreference;
+import androidx.preference.DropDownPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.core.BasePreferenceController;

diff --git a/src/com/android/settings/wifi/p2p/P2pCategoryPreferenceController.java b/src/com/android/settings/wifi/p2p/P2pCategoryPreferenceController.java
index e777626..fed363d 100644
--- a/src/com/android/settings/wifi/p2p/P2pCategoryPreferenceController.java
+++ b/src/com/android/settings/wifi/p2p/P2pCategoryPreferenceController.java

@@ -17,9 +17,9 @@
 package com.android.settings.wifi.p2p;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceGroup;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceGroup;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;

diff --git a/src/com/android/settings/wifi/p2p/P2pThisDevicePreferenceController.java b/src/com/android/settings/wifi/p2p/P2pThisDevicePreferenceController.java
index 9ed3158..84ce1ee 100644
--- a/src/com/android/settings/wifi/p2p/P2pThisDevicePreferenceController.java
+++ b/src/com/android/settings/wifi/p2p/P2pThisDevicePreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.net.wifi.p2p.WifiP2pDevice;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.core.PreferenceControllerMixin;

diff --git a/src/com/android/settings/wifi/p2p/WifiP2pPeer.java b/src/com/android/settings/wifi/p2p/WifiP2pPeer.java
index a318e6f..5a087e5 100644
--- a/src/com/android/settings/wifi/p2p/WifiP2pPeer.java
+++ b/src/com/android/settings/wifi/p2p/WifiP2pPeer.java

@@ -19,8 +19,8 @@
 import android.content.Context;
 import android.net.wifi.WifiManager;
 import android.net.wifi.p2p.WifiP2pDevice;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 import android.text.TextUtils;
 import android.widget.ImageView;
 import com.android.settings.R;

diff --git a/src/com/android/settings/wifi/p2p/WifiP2pPersistentGroup.java b/src/com/android/settings/wifi/p2p/WifiP2pPersistentGroup.java
index 520be8e..4d2b433 100644
--- a/src/com/android/settings/wifi/p2p/WifiP2pPersistentGroup.java
+++ b/src/com/android/settings/wifi/p2p/WifiP2pPersistentGroup.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.net.wifi.p2p.WifiP2pGroup;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
 
 public class WifiP2pPersistentGroup extends Preference {
 

diff --git a/src/com/android/settings/wifi/p2p/WifiP2pPreferenceController.java b/src/com/android/settings/wifi/p2p/WifiP2pPreferenceController.java
index 2d5e25f..78af007 100644
--- a/src/com/android/settings/wifi/p2p/WifiP2pPreferenceController.java
+++ b/src/com/android/settings/wifi/p2p/WifiP2pPreferenceController.java

@@ -20,9 +20,9 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.net.wifi.WifiManager;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;

diff --git a/src/com/android/settings/wifi/p2p/WifiP2pSettings.java b/src/com/android/settings/wifi/p2p/WifiP2pSettings.java
index 7ef10e5..a849ff7 100644
--- a/src/com/android/settings/wifi/p2p/WifiP2pSettings.java
+++ b/src/com/android/settings/wifi/p2p/WifiP2pSettings.java

@@ -38,8 +38,8 @@
 import android.net.wifi.p2p.WifiP2pManager.PersistentGroupInfoListener;
 import android.os.Bundle;
 import android.os.SystemProperties;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.InputFilter;
 import android.text.TextUtils;
 import android.util.Log;

diff --git a/src/com/android/settings/wifi/tether/WifiTetherApBandPreferenceController.java b/src/com/android/settings/wifi/tether/WifiTetherApBandPreferenceController.java
index b107777..8dde24b 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherApBandPreferenceController.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherApBandPreferenceController.java

@@ -23,7 +23,7 @@
 import android.content.res.Resources;
 import android.icu.text.ListFormatter;
 import android.net.wifi.WifiConfiguration;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/wifi/tether/WifiTetherAutoOffPreferenceController.java b/src/com/android/settings/wifi/tether/WifiTetherAutoOffPreferenceController.java
index 8fdae80..d8c3cfd 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherAutoOffPreferenceController.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherAutoOffPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.provider.Settings;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.SwitchPreference;
+import androidx.preference.Preference;
 
 import com.android.settings.core.BasePreferenceController;
 

diff --git a/src/com/android/settings/wifi/tether/WifiTetherBasePreferenceController.java b/src/com/android/settings/wifi/tether/WifiTetherBasePreferenceController.java
index c41f345..e689916 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherBasePreferenceController.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherBasePreferenceController.java

@@ -19,8 +19,8 @@
 import android.content.Context;
 import android.net.ConnectivityManager;
 import android.net.wifi.WifiManager;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.AbstractPreferenceController;

diff --git a/src/com/android/settings/wifi/tether/WifiTetherPasswordPreferenceController.java b/src/com/android/settings/wifi/tether/WifiTetherPasswordPreferenceController.java
index 5ba0583..5bc4d73 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherPasswordPreferenceController.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherPasswordPreferenceController.java

@@ -18,8 +18,8 @@
 
 import android.content.Context;
 import android.net.wifi.WifiConfiguration;
-import android.support.v7.preference.EditTextPreference;
-import android.support.v7.preference.Preference;
+import androidx.preference.EditTextPreference;
+import androidx.preference.Preference;
 import android.text.TextUtils;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/wifi/tether/WifiTetherPreferenceController.java b/src/com/android/settings/wifi/tether/WifiTetherPreferenceController.java
index 1d9d3cd..6f4725f 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherPreferenceController.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherPreferenceController.java

@@ -24,9 +24,9 @@
 import android.net.wifi.WifiConfiguration;
 import android.net.wifi.WifiManager;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
 import android.text.BidiFormatter;
 
 import com.android.settings.R;

diff --git a/src/com/android/settings/wifi/tether/WifiTetherSSIDPreferenceController.java b/src/com/android/settings/wifi/tether/WifiTetherSSIDPreferenceController.java
index d7cb441..176573f 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherSSIDPreferenceController.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherSSIDPreferenceController.java

@@ -18,9 +18,9 @@
 
 import android.content.Context;
 import android.net.wifi.WifiConfiguration;
-import android.support.annotation.VisibleForTesting;
-import android.support.v7.preference.EditTextPreference;
-import android.support.v7.preference.Preference;
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.EditTextPreference;
+import androidx.preference.Preference;
 import android.util.Log;
 
 import com.android.settings.widget.ValidatedEditTextPreference;

diff --git a/src/com/android/settings/wifi/tether/WifiTetherSettings.java b/src/com/android/settings/wifi/tether/WifiTetherSettings.java
index de6243c..7c50f0c 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherSettings.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherSettings.java

@@ -27,7 +27,7 @@
 import android.net.wifi.WifiManager;
 import android.os.Bundle;
 import android.os.UserManager;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 import android.text.TextUtils;
 import android.util.Log;
 

diff --git a/src/com/android/settings/wifi/tether/WifiTetherSwitchBarController.java b/src/com/android/settings/wifi/tether/WifiTetherSwitchBarController.java
index bf203e6..40d6cb7 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherSwitchBarController.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherSwitchBarController.java

@@ -27,7 +27,7 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
+import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.datausage.DataSaverBackend;
 import com.android.settings.widget.SwitchWidgetController;