// Copyright 2014 The Flutter Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. import 'package:flutter/material.dart'; /// Flutter code sample for [SnackBar]. void main() => runApp(const SnackBarExampleApp()); class SnackBarExampleApp extends StatelessWidget { const SnackBarExampleApp({super.key}); @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar(title: const Text('SnackBar Sample')), body: const Center( child: SnackBarExample(), ), ), ); } } class SnackBarExample extends StatelessWidget { const SnackBarExample({super.key}); @override Widget build(BuildContext context) { return ElevatedButton( child: const Text('Show Snackbar'), onPressed: () { ScaffoldMessenger.of(context).showSnackBar( SnackBar( action: SnackBarAction( label: 'Action', onPressed: () { // Code to execute. }, ), content: const Text('Awesome SnackBar!'), duration: const Duration(milliseconds: 1500), width: 280.0, // Width of the SnackBar. padding: const EdgeInsets.symmetric( horizontal: 8.0, // Inner padding for SnackBar content. ), behavior: SnackBarBehavior.floating, shape: RoundedRectangleBorder( borderRadius: BorderRadius.circular(10.0), ), ), ); }, ); } }