Tab Widget Flutter

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: DefaultTabController(
        length: 5,
        child: Scaffold(
          appBar: AppBar(
            bottom: const TabBar(
              tabs: [
                Tab(icon: Icon(Icons.settings),),
                Tab(icon: Icon(Icons.settings),),
                Tab(icon: Icon(Icons.settings),),
                Tab(icon: Icon(Icons.settings),),
                Tab(icon: Icon(Icons.settings),),
              ],
            ),
            title: const Text("BnCodeing"),
            backgroundColor: Colors.amberAccent,
          ),
          body: const TabBarView(
            children: [
              Icon(Icons.settings),
              Icon(Icons.settings),
              Icon(Icons.settings),
              Icon(Icons.settings),
              Icon(Icons.settings),
            ],
          ),
        ),
      ),
    );
  }
}