Redraw all windows earlier in power on sequence.

Send a message to all windows to redraw before notifying
PhoneWindowManager of screen on. This minimizes the delay in
screen update that causes the keyguard clock to display the old time
before displaying the current time.

Fixes bug 6381021.

Change-Id: Ida7071e7dac2284540f101c5d004511b52133b91

1 files changed, 4 insertions, 0 deletions

diff --git a/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java b/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
index 4ee0d25..a99ae26 100755
--- a/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
+++ b/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
@@ -3506,6 +3506,10 @@ public class PhoneWindowManager implements WindowManagerPolicy {
         }
         if (screenOnListener != null) {
             if (mKeyguardMediator != null) {
+                try {
+                    mWindowManager.setEventDispatching(true);
+                } catch (RemoteException unhandled) {
+                }
                 mKeyguardMediator.onScreenTurnedOn(new KeyguardViewManager.ShowListener() {
                     @Override public void onShown(IBinder windowToken) {
                         if (windowToken != null) {