| // 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 [TabBar]. |
| |
| import 'package:flutter/material.dart'; |
| |
| void main() => runApp(const MyApp()); |
| |
| class MyApp extends StatelessWidget { |
| const MyApp({super.key}); |
| |
| static const String _title = 'Flutter Code Sample'; |
| |
| @override |
| Widget build(BuildContext context) { |
| return const MaterialApp( |
| title: _title, |
| home: MyStatefulWidget(), |
| ); |
| } |
| } |
| |
| class MyStatefulWidget extends StatefulWidget { |
| const MyStatefulWidget({super.key}); |
| |
| @override |
| State<MyStatefulWidget> createState() => _MyStatefulWidgetState(); |
| } |
| |
| /// [AnimationController]s can be created with `vsync: this` because of |
| /// [TickerProviderStateMixin]. |
| class _MyStatefulWidgetState extends State<MyStatefulWidget> |
| with TickerProviderStateMixin { |
| late TabController _tabController; |
| |
| @override |
| void initState() { |
| super.initState(); |
| _tabController = TabController(length: 3, vsync: this); |
| } |
| |
| @override |
| Widget build(BuildContext context) { |
| return Scaffold( |
| appBar: AppBar( |
| title: const Text('TabBar Widget'), |
| bottom: TabBar( |
| controller: _tabController, |
| tabs: const <Widget>[ |
| Tab( |
| icon: Icon(Icons.cloud_outlined), |
| ), |
| Tab( |
| icon: Icon(Icons.beach_access_sharp), |
| ), |
| Tab( |
| icon: Icon(Icons.brightness_5_sharp), |
| ), |
| ], |
| ), |
| ), |
| body: TabBarView( |
| controller: _tabController, |
| children: const <Widget>[ |
| Center( |
| child: Text("It's cloudy here"), |
| ), |
| Center( |
| child: Text("It's rainy here"), |
| ), |
| Center( |
| child: Text("It's sunny here"), |
| ), |
| ], |
| ), |
| ); |
| } |
| } |