5fad2bea2a
Adds usage of SystemChrome.setAPplicationSwitcherDescription to update the page title for the AutoComplete demo page. [Before screenshot: example AutoComplete](https://screenshot.googleplex.com/8DpESj4QrQA2YrW) [After screenshot: example AutoComplete](https://screenshot.googleplex.com/6AdfSA8a8VwUaXM) Fixes b/338056490 *Replace this paragraph with a description of what this PR is changing or adding, and why. Consider including before/after screenshots.* *List which issues are fixed by this PR. You must list at least one issue. An issue is not required if the PR fixes something trivial like a typo.* *If you had to change anything in the [flutter/tests] repo, include a link to the migration guide as per the [breaking change policy].*
97 lines
2.6 KiB
Dart
97 lines
2.6 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/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/rendering.dart';
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import 'use_cases/use_cases.dart';
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void main() {
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runApp(const App());
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if (kIsWeb) {
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SemanticsBinding.instance.ensureSemantics();
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}
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}
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class App extends StatelessWidget {
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const App({super.key});
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@override
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Widget build(BuildContext context) {
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final ThemeData lightTheme = ThemeData(
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colorScheme: ColorScheme.fromSeed(
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seedColor: const Color(0xff6750a4),
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contrastLevel: MediaQuery.highContrastOf(context) ? 1.0 : 0.0,
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));
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final ThemeData darkTheme = ThemeData(
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colorScheme: ColorScheme.fromSeed(
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brightness: Brightness.dark,
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seedColor: const Color(0xff6750a4),
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contrastLevel: MediaQuery.highContrastOf(context) ? 1.0 : 0.0,
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));
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final Map<String, WidgetBuilder> routes =
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Map<String, WidgetBuilder>.fromEntries(
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useCases.map((UseCase useCase) =>
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MapEntry<String, WidgetBuilder>(useCase.route, (BuildContext context) => useCase.buildWithTitle(context))),
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);
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return MaterialApp(
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title: 'Accessibility Assessments Home Page',
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theme: lightTheme,
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darkTheme: darkTheme,
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routes: <String, WidgetBuilder>{'/': (_) => const HomePage(), ...routes},
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);
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}
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}
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class HomePage extends StatefulWidget {
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const HomePage({super.key});
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@override
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State<HomePage> createState() => HomePageState();
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}
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class HomePageState extends State<HomePage> {
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final ScrollController scrollController = ScrollController();
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@override
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void dispose() {
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scrollController.dispose();
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super.dispose();
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}
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Widget _buildUseCaseItem(int index, UseCase useCase) {
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return Padding(
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padding: const EdgeInsets.all(10),
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child: Builder(builder: (BuildContext context) {
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return TextButton(
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key: Key(useCase.name),
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onPressed: () => Navigator.of(context).pushNamed(useCase.route, arguments: useCase.name),
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child: Text(useCase.name),
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);
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}));
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}
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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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title: Semantics(headingLevel: 1, child: const Text('Accessibility Assessments')),
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),
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body: Center(
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child: ListView(
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controller: scrollController,
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children: List<Widget>.generate(
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useCases.length,
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(int index) => _buildUseCaseItem(index, useCases[index]),
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),
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),
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),
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);
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}
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}
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