Scaffold Widget - Flutter Widget | RRTutors

int _count = 0;

Widget build(BuildContext context) {
  return Scaffold(
    appBar: AppBar(
      title: Text('Sample Code'),
    ),
    body: Center(
      child: Text('You have pressed the button $_count times.'),
    ),
    bottomNavigationBar: BottomAppBar(
      child: Container(height: 50.0,),
    ),
    floatingActionButton: FloatingActionButton(
      onPressed: () => setState(() {
        _count++;
      }),
      tooltip: 'Increment Counter',
      child: Icon(Icons.add),
    ),
    floatingActionButtonLocation: FloatingActionButtonLocation.centerDocked,
  );
}

Snackbar on Flutter (without Scaffold) using Flushbar

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