From 49779a155f8e7f752f6433db5e132ce8d01a1d9f Mon Sep 17 00:00:00 2001
From: Michael Jurka <mikejurka@google.com>
Date: Mon, 16 Jan 2012 04:10:08 -0800
Subject: [PATCH] Fix RuntimeException in LauncherViewPropertyAnimator

Bug #5869237

Change-Id: Ib1466ea7aaabc1c42626789d7c8ef48134b49bfd
---
 src/com/android/launcher2/Launcher.java | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/com/android/launcher2/Launcher.java b/src/com/android/launcher2/Launcher.java
index 45a9e3118f..33ca88723b 100644
--- a/src/com/android/launcher2/Launcher.java
+++ b/src/com/android/launcher2/Launcher.java
@@ -2312,13 +2312,18 @@ public final class Launcher extends Activity
             }
 
             if (delayAnim) {
+                final AnimatorSet stateAnimation = mStateAnimation;
                 final OnGlobalLayoutListener delayedStart = new OnGlobalLayoutListener() {
                     public void onGlobalLayout() {
                         mWorkspace.post(new Runnable() {
                             public void run() {
-                                // Need to update pivots for zoom if layout changed
-                                setPivotsForZoom(toView, scale);
-                                mStateAnimation.start();
+                                // Check that mStateAnimation hasn't changed while
+                                // we waited for a layout pass
+                                if (mStateAnimation == stateAnimation) {
+                                    // Need to update pivots for zoom if layout changed
+                                    setPivotsForZoom(toView, scale);
+                                    mStateAnimation.start();
+                                }
                             }
                         });
                         observer.removeGlobalOnLayoutListener(this);