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].*
81 lines
2.1 KiB
Dart
81 lines
2.1 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 '../utils.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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String pageTitle = getUseCaseName(NavigationBarUseCase());
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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: Text('$pageTitle 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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