fix render glitch for "digest" animation when items are added to a new screen
diff --git a/src/com/android/launcher2/CellLayout.java b/src/com/android/launcher2/CellLayout.java
index 9c629ee..0d774c9 100644
--- a/src/com/android/launcher2/CellLayout.java
+++ b/src/com/android/launcher2/CellLayout.java
@@ -308,6 +308,9 @@
         if (scaleFactor != mGlowBackgroundScale) {
             mGlowBackgroundScale = scaleFactor;
             updateGlowRect();
+            if (getParent() != null) {
+                ((View) getParent()).invalidate();
+            }
         }
     }