Fix crash from USER_PRESENT broadcast in sysui

Since sending the USER_PRESENT broadcast too early in the boot
process can result in a SecurityException, don't do auto-unlock
until after the boot has completed.

Bug: 17464800
Change-Id: Iee3d0b9723ed38abddf0bdde009f95331881008b

1 files changed, 16 insertions, 2 deletions

diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
index 50ba68e566cf..2628b3ed76c7 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
@@ -170,6 +170,8 @@ public class KeyguardViewMediator extends SystemUI {
     private boolean mSwitchingUser;
 
     private boolean mSystemReady;
+    private boolean mBootCompleted;
+    private boolean mBootSendUserPresent;
 
     // Whether the next call to playSounds() should be skipped.  Defaults to
     // true because the first lock (on boot) should be silent.
@@ -1146,8 +1148,14 @@ public class KeyguardViewMediator extends SystemUI {
     }
 
     private void sendUserPresentBroadcast() {
-        final UserHandle currentUser = new UserHandle(mLockPatternUtils.getCurrentUser());
-        mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, currentUser);
+        synchronized (this) {
+            if (mBootCompleted) {
+                final UserHandle currentUser = new UserHandle(mLockPatternUtils.getCurrentUser());
+                mContext.sendBroadcastAsUser(USER_PRESENT_INTENT, currentUser);
+            } else {
+                mBootSendUserPresent = true;
+            }
+        }
     }
 
     /**
@@ -1407,6 +1415,12 @@ public class KeyguardViewMediator extends SystemUI {
 
     public void onBootCompleted() {
         mUpdateMonitor.dispatchBootCompleted();
+        synchronized (this) {
+            mBootCompleted = true;
+            if (mBootSendUserPresent) {
+                sendUserPresentBroadcast();
+            }
+        }
     }
 
     public StatusBarKeyguardViewManager registerStatusBar(PhoneStatusBar phoneStatusBar,