Improve swipe performance in Recents

2013-03-06 18:08:45 +01:00
parent 7341786b13
commit 499293f096
1 changed files with 6 additions and 0 deletions
--- a/packages/SystemUI/src/com/android/systemui/SwipeHelper.java
+++ b/packages/SystemUI/src/com/android/systemui/SwipeHelper.java
@@ -156,6 +156,12 @@ public class SwipeHelper implements Gefingerpoken {

    private void updateAlphaFromOffset(View animView, boolean dismissable) {
        if (FADE_OUT_DURING_SWIPE && dismissable) {
+            float alpha = getAlphaForOffset(animView);
+            if (alpha != 0f && alpha != 1f) {
+                animView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
+            } else {
+                animView.setLayerType(View.LAYER_TYPE_NONE, null);
+            }
            animView.setAlpha(getAlphaForOffset(animView));
        }
        invalidateGlobalRegion(animView);