flutter/dev/a11y_assessments/lib/use_cases/snack_bar.dart
hangyu 8a4812a6da
Add more widgets to a11y assessment app (#152662)
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there for submitting PRs.
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responsibilities.
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we expect every widget to implement].
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above.
- [ ] I updated/added relevant documentation (doc comments with `///`).
- [ ] I added new tests to check the change I am making, or this PR is
[test-exempt].
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Fixes] where supported.
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2024-08-01 15:06:28 -07:00

68 lines
1.7 KiB
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.
import 'package:flutter/material.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> {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
title: const Text('SnackBar'),
),
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: () {},
),
),
);
},
),
],
),
),
);
}
}