| // 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. |
| |
| /// Flutter code sample for [CupertinoTabController]. |
| |
| import 'package:flutter/cupertino.dart'; |
| |
| void main() => runApp(const TabControllerApp()); |
| |
| class TabControllerApp extends StatelessWidget { |
| const TabControllerApp({super.key}); |
| |
| @override |
| Widget build(BuildContext context) { |
| return const CupertinoApp( |
| theme: CupertinoThemeData(brightness: Brightness.light), |
| home: TabControllerExample(), |
| ); |
| } |
| } |
| |
| class TabControllerExample extends StatefulWidget { |
| const TabControllerExample({super.key}); |
| |
| @override |
| State<TabControllerExample> createState() => _TabControllerExampleState(); |
| } |
| |
| class _TabControllerExampleState extends State<TabControllerExample> { |
| final CupertinoTabController controller = CupertinoTabController(); |
| |
| @override |
| void dispose() { |
| controller.dispose(); |
| super.dispose(); |
| } |
| |
| @override |
| Widget build(BuildContext context) { |
| return CupertinoTabScaffold( |
| controller: controller, |
| tabBar: CupertinoTabBar( |
| items: const <BottomNavigationBarItem>[ |
| BottomNavigationBarItem( |
| icon: Icon(CupertinoIcons.square_grid_2x2_fill), |
| label: 'Browse', |
| ), |
| BottomNavigationBarItem( |
| icon: Icon(CupertinoIcons.star_circle_fill), |
| label: 'Starred', |
| ), |
| ], |
| ), |
| tabBuilder: (BuildContext context, int index) { |
| return Center( |
| child: Column( |
| mainAxisAlignment: MainAxisAlignment.center, |
| children: <Widget>[ |
| Text('Content of tab $index'), |
| const SizedBox(height: 10), |
| CupertinoButton( |
| onPressed: () => controller.index = 0, |
| child: const Text('Go to first tab'), |
| ), |
| ], |
| ) |
| ); |
| }, |
| ); |
| } |
| } |