Nested Tab Bar In Flutter :
Screenshot :

nestedTabBarView.dart
import 'package:flutter/material.dart'; class NestedTabBar extends StatefulWidget { @override _NestedTabBarState createState() => _NestedTabBarState(); } class _NestedTabBarState extends State<NestedTabBar> with TickerProviderStateMixin { TabController _nestedTabController; @override void initState() { super.initState(); _nestedTabController = new TabController(length: 5, vsync: this); } @override void dispose() { super.dispose(); _nestedTabController.dispose(); } @override Widget build(BuildContext context) { double screenHeight = MediaQuery.of(context).size.height; return Column( mainAxisAlignment: MainAxisAlignment.spaceAround, children: <Widget>[ TabBar( controller: _nestedTabController, indicatorColor: Colors.teal, labelColor: Colors.teal, unselectedLabelColor: Colors.black54, isScrollable: true, tabs: <Widget>[ Tab( text: "One", ), Tab( text: "Two", ), Tab( text: "Three", ), Tab( text: "Four", ), Tab( text: "Five", ), ], ), Container( height: screenHeight * 0.70, margin: EdgeInsets.only(left: 16.0, right: 16.0), child: TabBarView( controller: _nestedTabController, children: <Widget>[ Container( decoration: BoxDecoration( borderRadius: BorderRadius.circular(8.0), color: Colors.blueAccent, ), ), Container( decoration: BoxDecoration( borderRadius: BorderRadius.circular(8.0), color: Colors.orangeAccent, ), ), Container( decoration: BoxDecoration( borderRadius: BorderRadius.circular(8.0), color: Colors.greenAccent, ), ), Container( decoration: BoxDecoration( borderRadius: BorderRadius.circular(8.0), color: Colors.indigoAccent, ), ), Container( decoration: BoxDecoration( borderRadius: BorderRadius.circular(8.0), color: Colors.redAccent, ), ), ], ), ) ], ); } }
main.dart
import 'package:flutter/material.dart'; import 'nestedTabBarView.dart'; void main() => runApp(MyApp()); class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp( title: 'Nested Tab Bar', theme: ThemeData( primarySwatch: Colors.teal, ), home: MyHomePage(title: 'Nested Tab Bar'), ); } } class MyHomePage extends StatefulWidget { MyHomePage({Key key, this.title}) : super(key: key); final String title; @override _MyHomePageState createState() => _MyHomePageState(); } class _MyHomePageState extends State<MyHomePage> with TickerProviderStateMixin { TabController _tabController; @override void initState() { super.initState(); _tabController = new TabController(length: 3, vsync: this); } @override void dispose() { super.dispose(); _tabController.dispose(); } @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text(widget.title), ), bottomNavigationBar: Material( color: Colors.white, child: TabBar( controller: _tabController, indicatorColor: Colors.teal, labelColor: Colors.teal, unselectedLabelColor: Colors.black54, tabs: <Widget>[ Tab( icon: Icon(Icons.home), ), Tab( icon: Icon(Icons.email), ), Tab( icon: Icon(Icons.settings), ), ]), ), body: TabBarView( children: <Widget>[ NestedTabBar(), Center( child: Text("Email"), ), Center( child: Text("Settings"), ) ], controller: _tabController, ), ); } }
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