| // 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'; |
| import '../utils.dart'; |
| import 'use_cases.dart'; |
| |
| class SnackBarUseCase extends UseCase { |
| @override |
| String get name => 'SnackBar'; |
| |
| @override |
| String get route => '/snack-bar'; |
| |
| @override |
| Widget build(BuildContext context) => const MainWidget(); |
| } |
| |
| class MainWidget extends StatefulWidget { |
| const MainWidget({super.key}); |
| |
| @override |
| State<MainWidget> createState() => MainWidgetState(); |
| } |
| |
| class MainWidgetState extends State<MainWidget> { |
| |
| String pageTitle = getUseCaseName(SnackBarUseCase()); |
| |
| @override |
| Widget build(BuildContext context) { |
| return Scaffold( |
| appBar: AppBar( |
| backgroundColor: Theme.of(context).colorScheme.inversePrimary, |
| title: Semantics(headingLevel: 1, child: Text('$pageTitle Demo')), |
| ), |
| body: Center( |
| child: Column( |
| children: <Widget>[ |
| ElevatedButton( |
| child: const Text('Show Snackbar'), |
| onPressed: () { |
| ScaffoldMessenger.of(context).showSnackBar( |
| const SnackBar( |
| content: Text('Awesome Snackbar!'), |
| ), |
| ); |
| }, |
| ), |
| ElevatedButton( |
| child: const Text('Show Snackbar with action '), |
| onPressed: () { |
| ScaffoldMessenger.of(context).showSnackBar( |
| SnackBar( |
| content: const Text('Awesome Snackbar!'), |
| action: SnackBarAction( |
| label: 'Action', |
| onPressed: () {}, |
| ), |
| ), |
| ); |
| }, |
| ), |
| ], |
| ), |
| ), |
| ); |
| } |
| } |