import 'package:flutter/material.dart';

class TabBarDemo extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      home: new DefaultTabController(
          length: 3,
          child: new Scaffold(
            appBar: new AppBar(
              bottom: new TabBar(
                  tabs: [
                    new Tab(icon: new Icon(Icons.directions_car),),
                    new Tab(icon: new Icon(Icons.directions_transit),),
                    new Tab(icon: new Icon(Icons.directions_bike),),
                  ],
              ),
              title: new Text('Tabs Demo'),
            ),
            body: new TabBarView(
                children: [
                  new Icon(Icons.directions_car),
                  new Icon(Icons.directions_transit),
                  new Icon(Icons.directions_bike),
                ],
            ),
          ),
      ),
    );
  }
}