flutter/dev/a11y_assessments/lib/use_cases/dialog.dart
Joy Serquiña 85b3d97673
fix(flutter/a11y assessments): h1 missing a11y from each page on the web app (#152198)
Adds Semantic Widget to wrap the contents of each page's AppBar title attribute and adds header: true and headingLevel: 1 as Semantic attributes so the content of the title is compiled as an h1 tag to meet accessibility guidelines that each page must have a h1 tag present. Also updates the test cases for the home page and each use case page to check for its respective h1.

[Before Screenshot - Accessibility Assessments Home Page](https://screenshot.googleplex.com/4i9LuiGwvLnEcZ8)
[Before Screenshot - Checkbox List Title -- note: each use case page is missing an h1](https://screenshot.googleplex.com/3qQjfqvAMTehRsm)
[After Screenshot - Accessibility Assessments Home Page](https://screenshot.googleplex.com/APSJJXBmwNBP35m)
[After Screenshot - Checkbox List Title-- note: change is similar across each Accessibility use case page](https://screenshot.googleplex.com/6EGgZnTusEgeN5L)

Fixes b/338035526
2024-08-13 22:22:28 +00:00

69 lines
2.0 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 DialogUseCase extends UseCase {
@override
String get name => 'Dialog';
@override
String get route => '/dialog';
@override
Widget build(BuildContext context) => const _MainWidget();
}
class _MainWidget extends StatelessWidget {
const _MainWidget();
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
title: Semantics(headingLevel: 1, child: const Text('Dialog Demo')),
),
body: Center(
child: TextButton(
onPressed: () => showDialog<String>(
context: context,
builder: (BuildContext context) => Dialog(
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Column(
mainAxisSize: MainAxisSize.min,
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
const Text('This is a typical dialog.'),
const SizedBox(height: 15),
Row(
children: <Widget>[
TextButton(
onPressed: () {
Navigator.pop(context);
},
child: const Text('OK'),
),
TextButton(
onPressed: () {
Navigator.pop(context);
},
child: const Text('Cancel'),
),
],
),
],
),
),
),
),
child: const Text('Show Dialog'),
),
),
);
}
}