fix

example/lib/main.dart

@@ -37,9 +37,6 @@ class _MyAppState extends State<MyApp> {
       platformVersion = 'Failed to get platform version.';
     }
 
-    // If the widget was removed from the tree while the asynchronous platform
-    // message was in flight, we want to discard the reply rather than calling
-    // setState to update our non-existent appearance.
     if (!mounted) return;
 
     setState(() {