// 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. // Template: dev/snippets/config/templates/stateful_widget_material_ticker.tmpl // // Comment lines marked with "▼▼▼" and "▲▲▲" are used for authoring // of samples, and may be ignored if you are just exploring the sample. // Flutter code sample for TabBar // //*************************************************************************** //* ▼▼▼▼▼▼▼▼ description ▼▼▼▼▼▼▼▼ (do not modify or remove section marker) // [TabBar] can also be implemented by using a [TabController] which provides more options // to control the behavior of the [TabBar] and [TabBarView]. This can be used instead of // a [DefaultTabController], demonstrated below. //* ▲▲▲▲▲▲▲▲ description ▲▲▲▲▲▲▲▲ (do not modify or remove section marker) //*************************************************************************** import 'package:flutter/material.dart'; void main() => runApp(const MyApp()); /// This is the main application widget. class MyApp extends StatelessWidget { const MyApp({Key? key}) : super(key: key); static const String _title = 'Flutter Code Sample'; @override Widget build(BuildContext context) { return const MaterialApp( title: _title, home: MyStatefulWidget(), ); } } /// This is the stateful widget that the main application instantiates. class MyStatefulWidget extends StatefulWidget { const MyStatefulWidget({Key? key}) : super(key: key); @override State<MyStatefulWidget> createState() => _MyStatefulWidgetState(); } /// This is the private State class that goes with MyStatefulWidget. /// AnimationControllers can be created with `vsync: this` because of TickerProviderStateMixin. class _MyStatefulWidgetState extends State<MyStatefulWidget> with TickerProviderStateMixin { //******************************************************************** //* ▼▼▼▼▼▼▼▼ code ▼▼▼▼▼▼▼▼ (do not modify or remove section marker) 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"), ), ], ), ); } //* ▲▲▲▲▲▲▲▲ code ▲▲▲▲▲▲▲▲ (do not modify or remove section marker) //******************************************************************** }