show error message in flutter
class MyApp extends StatelessWidget {
...
@override
Widget build(BuildContext context) {
return MaterialApp(
...
builder: (BuildContext context, Widget widget) {
Widget error = Text('...rendering error...');
if (widget is Scaffold || widget is Navigator)
error = Scaffold(body: Center(child: error));
ErrorWidget.builder = (FlutterErrorDetails errorDetails) => error;
return widget;
},
);
}
}