examples/api/lib/material/scaffold/scaffold_messenger_state.show_material_banner.0.dart

// 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.

/// Flutter code sample for [ScaffoldMessengerState.showMaterialBanner].

import 'package:flutter/material.dart';

void main() => runApp(const MyApp());

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  static const String _title = 'Flutter Code Sample';

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: _title,
      home: Scaffold(
        appBar: AppBar(title: const Text(_title)),
        body: const Center(
          child: MyStatelessWidget(),
        ),
      ),
    );
  }
}

class MyStatelessWidget extends StatelessWidget {
  const MyStatelessWidget({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'),
    );
  }
}