From 69e46060775ab427029fd5cc2b2ef265178faf91 Mon Sep 17 00:00:00 2001
From: najeira <najeira@gmail.com>
Date: Sat, 16 Feb 2019 06:01:41 +0900
Subject: [PATCH] Fix NullPointerException in SurfaceTextureRegistryEntry
 (#7837)

---
 shell/platform/android/io/flutter/view/FlutterView.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/shell/platform/android/io/flutter/view/FlutterView.java b/shell/platform/android/io/flutter/view/FlutterView.java
index b5126c31d54..14c4c42cefb 100644
--- a/shell/platform/android/io/flutter/view/FlutterView.java
+++ b/shell/platform/android/io/flutter/view/FlutterView.java
@@ -1102,7 +1102,7 @@ public class FlutterView extends SurfaceView
         private SurfaceTexture.OnFrameAvailableListener onFrameListener = new SurfaceTexture.OnFrameAvailableListener() {
             @Override
             public void onFrameAvailable(SurfaceTexture texture) {
-                if (released) {
+                if (released || mNativeView == null) {
                     // Even though we make sure to unregister the callback before releasing, as of Android O
                     // SurfaceTexture has a data race when accessing the callback, so the callback may
                     // still be called by a stale reference after released==true and mNativeView==null.