| // 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 [ScaffoldMessengerState.showMaterialBanner]. |
| |
| void main() => runApp(const ShowMaterialBannerExampleApp()); |
| |
| class ShowMaterialBannerExampleApp extends StatelessWidget { |
| const ShowMaterialBannerExampleApp({super.key}); |
| |
| @override |
| Widget build(BuildContext context) { |
| return MaterialApp( |
| home: Scaffold( |
| appBar: AppBar(title: const Text('ScaffoldMessengerState Sample')), |
| body: const Center( |
| child: ShowMaterialBannerExample(), |
| ), |
| ), |
| ); |
| } |
| } |
| |
| class ShowMaterialBannerExample extends StatelessWidget { |
| const ShowMaterialBannerExample({super.key}); |
| |
| @override |
| Widget build(BuildContext context) { |
| return OutlinedButton( |
| onPressed: () { |
| ScaffoldMessenger.of(context).showMaterialBanner( |
| const MaterialBanner( |
| content: Text('This is a MaterialBanner'), |
| actions: <Widget>[ |
| TextButton( |
| onPressed: null, |
| child: Text('DISMISS'), |
| ), |
| ], |
| ), |
| ); |
| }, |
| child: const Text('Show MaterialBanner'), |
| ); |
| } |
| } |