class AskPermissions extends StatefulWidget {

  @override
  _AskPermissions createState() => new _AskPermissions();
}

class _AskPermissions extends State<AskPermissions> {
  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      body: new Center(
        child: new Column(
          mainAxisSize: MainAxisSize.min,
          children: <Widget>[
            new Text('Please provide Permissions'),
            new MaterialButton(
              child: new Text('Allow Permissions'),
              onPressed: () {
                _askPermission();
              },
            )
          ],
        ),
      ),
    );
  }
}