Scaffold.of() called with a context that does not contain a Scaffold
This exception happens because you are using the context of the widget that instantiated Scaffold. Not the context of a child of Scaffold. You can solve this by just using a different context : Scaffold( appBar: AppBar( title: Text(‘SnackBar Playground’), ), body: Builder( builder: (context) => Center( child: RaisedButton( color: Colors.pink, textColor: Colors.white, onPressed: () … Read more