From f66645671f9c3d8e621296e11fd65941c22f057f Mon Sep 17 00:00:00 2001
From: Romain Guy <romainguy@google.com>
Date: Wed, 4 Sep 2013 14:14:07 -0700
Subject: Don't draw with invalid display lists Bug #10301674

Change-Id: I900322dcb9b53f0eb82741c94d4ab1eaf939259e
---
 core/java/android/view/ViewRootImpl.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index 354e815b7ae7..0f9a2ac98a38 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -1449,7 +1449,7 @@ public final class ViewRootImpl implements ViewParent,
                             }
 
                             DisplayList displayList = mView.mDisplayList;
-                            if (displayList != null) {
+                            if (displayList != null && displayList.isValid()) {
                                 layerCanvas.drawDisplayList(displayList, null,
                                         DisplayList.FLAG_CLIP_CHILDREN);
                             } else {
-- 
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