part of '../main.dart'; class PanelPage extends StatefulWidget { PanelPage({Key key, this.title, this.panel}) : super(key: key); final String title; final Panel panel; @override _PanelPageState createState() => new _PanelPageState(); } class _PanelPageState extends State { List _items; @override void initState() { super.initState(); } @override Widget build(BuildContext context) { return new Scaffold( appBar: new AppBar( leading: IconButton(icon: Icon(Icons.arrow_back), onPressed: (){ Navigator.pop(context); }), title: new Text(widget.title), ), body: widget.panel.getWidget(), ); } @override void dispose() { super.dispose(); } }