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85b3d97673
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
79 lines
2.0 KiB
Dart
79 lines
2.0 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/material.dart';
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import 'use_cases.dart';
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class NavigationBarUseCase extends UseCase {
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@override
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String get name => 'NavigationBar';
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@override
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String get route => '/navigation-bar';
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@override
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Widget build(BuildContext context) => const MainWidget();
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}
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class MainWidget extends StatefulWidget {
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const MainWidget({super.key});
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@override
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State<MainWidget> createState() => MainWidgetState();
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}
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class MainWidgetState extends State<MainWidget> {
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int currentPageIndex = 0;
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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backgroundColor: Theme.of(context).colorScheme.inversePrimary,
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title: Semantics(headingLevel: 1, child: const Text('NavigationBar Demo')),
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),
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bottomNavigationBar: NavigationBar(
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onDestinationSelected: (int index) {
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setState(() {
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currentPageIndex = index;
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});
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},
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indicatorColor: Colors.amber[800],
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selectedIndex: currentPageIndex,
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destinations: const <Widget>[
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NavigationDestination(
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selectedIcon: Icon(Icons.home),
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icon: Icon(Icons.home_outlined),
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label: 'Home',
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),
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NavigationDestination(
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icon: Icon(Icons.business),
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label: 'Business',
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),
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NavigationDestination(
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selectedIcon: Icon(Icons.school),
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icon: Icon(Icons.school_outlined),
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label: 'School',
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),
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],
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),
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body: <Widget>[
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Container(
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alignment: Alignment.center,
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child: const Text('Page 1'),
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),
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Container(
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alignment: Alignment.center,
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child: const Text('Page 2'),
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),
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Container(
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alignment: Alignment.center,
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child: const Text('Page 3'),
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),
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][currentPageIndex],
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);
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}
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}
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