From 6267f9955f6f778bee30e0c78d20907750d45cc1 Mon Sep 17 00:00:00 2001
From: Winson Chung <winsonc@google.com>
Date: Fri, 6 Oct 2017 14:01:10 -0700
Subject: [PATCH] Skip drawing snapshot if we can't create the buffer.

Bug: 63436798
Test: Only a NPE check
Change-Id: I1c87d9dfcf828e3c7d4fb070e7492834761224e7
---
 .../java/com/android/server/wm/TaskSnapshotController.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/services/core/java/com/android/server/wm/TaskSnapshotController.java b/services/core/java/com/android/server/wm/TaskSnapshotController.java
index 6c11d8b0e67b0..a1868e6f46c33 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 @@ class TaskSnapshotController {
         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 */);