@override
  Widget build(BuildContext context) {
    return new DefaultTabController(
        initialIndex: 0,
        length: 4,
        child: Container(
          child: new Scaffold(
            backgroundColor: Colors.grey,
            appBar: new AppBar(
                elevation: 0.0,
                backgroundColor: Colors.transparent,
                centerTitle: true,
                leading: Icon(Icons.arrow_back),
                actions: <Widget>[
                  IconButton(
                    icon: Icon(Icons.add),
                    onPressed: () {},
                  )
                ],
                title: new Text("TAB Test"),
                bottom: new TabBar(
                  unselectedLabelColor: Colors.black54,
                  isScrollable: true,
                  tabs: <Widget>[
                    new Tab(
                        child: Padding(
                      padding: EdgeInsets.all(12.0),
                      child: Text(
                        "Inbox",
                        textScaleFactor: 1.4,
                      ),
                    )),
                    new Tab(
                        child: Padding(
                      padding: EdgeInsets.all(12.0),
                      child: Text(
                        "Social",
                        textScaleFactor: 1.4,
                      ),
                    )),
                    new Tab(
                        child: Padding(
                      padding: EdgeInsets.all(12.0),
                      child: Text(
                        "Promotions",
                        textScaleFactor: 1.4,
                      ),
                    )),
                    new Tab(
                        child: Padding(
                      padding: EdgeInsets.all(12.0),
                      child: Text(
                        "Updates",
                        textScaleFactor: 1.4,
                      ),
                    )),
                  ],
                  indicator: BoxDecoration(),
                )),
            body: new TabBarView(children: <Widget>[
              new Container(),
              new Container(),
              new Container(),
              new Container()
            ]),
          ),
        ));
  }