// 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'), ); } }