Post setSwitchingUser to main thread

touching view hierarchy should only occur on UI thread

Bug: 37167272
Test: keyguard still works, used Log to see that switching
      still gets called
Change-Id: I45ed9894a8f08c38da40de44f84e99cddb683014

1 files changed, 11 insertions, 1 deletions

diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
index 88e8b398888e..8d4a05414ccb 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
@@ -162,6 +162,7 @@ public class KeyguardViewMediator extends SystemUI {
     private static final int NOTIFY_SCREEN_TURNED_ON = 15;
     private static final int NOTIFY_SCREEN_TURNED_OFF = 16;
     private static final int NOTIFY_STARTED_GOING_TO_SLEEP = 17;
+    private static final int SET_SWITCHING_USER = 18;
 
     /**
      * The default amount of time we stay awake (used for all key input)
@@ -1393,7 +1394,11 @@ public class KeyguardViewMediator extends SystemUI {
     }
 
     public void setSwitchingUser(boolean switching) {
-        KeyguardUpdateMonitor.getInstance(mContext).setSwitchingUser(switching);
+        Trace.beginSection("KeyguardViewMediator#setSwitchingUser");
+        mHandler.removeMessages(SET_SWITCHING_USER);
+        Message msg = mHandler.obtainMessage(SET_SWITCHING_USER, switching ? 1 : 0, 0);
+        mHandler.sendMessage(msg);
+        Trace.endSection();
     }
 
     /**
@@ -1533,6 +1538,11 @@ public class KeyguardViewMediator extends SystemUI {
                     Log.w(TAG, "Timeout while waiting for activity drawn!");
                     Trace.endSection();
                     break;
+                case SET_SWITCHING_USER:
+                    Trace.beginSection("KeyguardViewMediator#handleMessage SET_SWITCHING_USER");
+                    KeyguardUpdateMonitor.getInstance(mContext).setSwitchingUser(msg.arg1 != 0);
+                    Trace.endSection();
+                    break;
             }
         }
     };