commit 6267f9955f6f778bee30e0c78d20907750d45cc1
author Winson Chung <winsonc@google.com> Fri Oct 06 14:01:10 2017 -0700
committer Winson Chung <winsonc@google.com> Mon Oct 09 10:26:50 2017 -0700
tree 103ff37416a78cd8f96c9d6eb0965acbe1246505
parent 7c112b733c0d0f98a4c4894e214b71648fe1cfae

Skip drawing snapshot if we can't create the buffer.

Bug: 63436798
Test: Only a NPE check
Change-Id: I1c87d9dfcf828e3c7d4fb070e7492834761224e7

services/core/java/com/android/server/wm/TaskSnapshotController.java

diff --git a/services/core/java/com/android/server/wm/TaskSnapshotController.java b/services/core/java/com/android/server/wm/TaskSnapshotController.java
index 6c11d8b..a1868e6 100644
--- a/services/core/java/com/android/server/wm/TaskSnapshotController.java
+++ b/services/core/java/com/android/server/wm/TaskSnapshotController.java
@@ -296,7 +296,9 @@
         decorPainter.drawDecors(c, null /* statusBarExcludeFrame */);
         node.end(c);
         final Bitmap hwBitmap = ThreadedRenderer.createHardwareBitmap(node, width, height);
-
+        if (hwBitmap == null) {
+            return null;
+        }
         return new TaskSnapshot(hwBitmap.createGraphicBufferHandle(),
                 topChild.getConfiguration().orientation, mainWindow.mStableInsets,
                 ActivityManager.isLowRamDeviceStatic() /* reduced */, 1.0f /* scale */);