Merge "Fix flash of uninitialized surface" into mnc-dev

2015-07-11 00:57:17 +00:00
parent 97cf0f1d76 18a0b9e041
commit d374c20fc9
1 changed files with 4 additions and 1 deletions
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@ -1700,7 +1700,10 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
                    Log.v(TAG, "DEBUG_MEDIA: Fading out album artwork");
                }
                mBackdrop.animate()
-                        .alpha(0f)
+                        // Never let the alpha become zero - otherwise the RenderNode
+                        // won't draw anything and uninitialized memory will show through
+                        // if mScrimSrcModeEnabled. Note that 0.001 is rounded down to 0 in libhwui.
+                        .alpha(0.002f)
                        .setInterpolator(mBackdropInterpolator)
                        .setDuration(300)
                        .setStartDelay(0)