Widget build(BuildContext context) { return new Scaffold( appBar: new AppBar( title: new Text(widget.title), ), body: _buildTodoList(), floatingActionButton: new FloatingActionButton( onPressed: _pushAddTodoScreen, tooltip: 'Increment', child: new Icon(Icons.add), elevation: 4.0, ), bottomNavigationBar: BottomAppBar( child: new Row( mainAxisAlignment: MainAxisAlignment.center, children: <Widget>[ Expanded(child: IconButton(icon: Icon(Icons.home)),), Expanded(child: IconButton(icon: Icon(Icons.show_chart)),), Expanded(child: new Text('')), Expanded(child: IconButton(icon: Icon(Icons.tab)),), Expanded(child: IconButton(icon: Icon(Icons.settings)),), ], ), ), floatingActionButtonLocation: FloatingActionButtonLocation.centerDocked, ); }