From dc5ae3c20fac12aedc7251a26136f48ca8d78772 Mon Sep 17 00:00:00 2001
From: Jason Simmons <jason-simmons@users.noreply.github.com>
Date: Wed, 26 Jul 2017 20:04:31 -0700
Subject: [PATCH] Do not send messages if the platform view has been detached
 (flutter/engine#3927)

---
 .../shell/platform/android/io/flutter/view/FlutterView.java  | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/engine/src/flutter/shell/platform/android/io/flutter/view/FlutterView.java b/engine/src/flutter/shell/platform/android/io/flutter/view/FlutterView.java
index 62e0fbfc8e..1ebfad1bb1 100644
--- a/engine/src/flutter/shell/platform/android/io/flutter/view/FlutterView.java
+++ b/engine/src/flutter/shell/platform/android/io/flutter/view/FlutterView.java
@@ -816,6 +816,11 @@ public class FlutterView extends SurfaceView
 
     @Override
     public void send(String channel, ByteBuffer message, BinaryReply callback) {
+        if (!isAttached()) {
+            Log.d("flutter", "FlutterView.send called on a detached view, channel=" + channel);
+            return;
+        }
+
         int replyId = 0;
         if (callback != null) {
             replyId = mNextReplyId++;