String txt = "";
  TextEditingController controllerTxt = new TextEditingController();

  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      appBar: new AppBar(
        title: Text('Create'),
        actions: <Widget>[
          FlatButton(
            child: Text('Submit'),
            textColor: Colors.white,
            onPressed: () {
              Navigator.pushNamed(context, '/ResultPage',
                  arguments: (controllerTxt.text));
            },
          ),
        ],
      ),
      body: new ListView(
        children: <Widget>[
          new Container(
            child: new Column(
              children: <Widget>[
                  new TextField(
                    controller: controllerTxt,
                    maxLines: 25,
                  ),
              ],
            ),
          ),
        ],
      ),
    );
  }

class _ResultPageState extends State<ResultPage> {
  String result;

  @override
  Widget build(BuildContext context) {
    RouteSettings settings = ModalRoute.of(context).settings;
    result = settings.arguments;

    return new Scaffold(
      appBar: new AppBar(
        title: Text('Create'),
        actions: <Widget>[
        ],
      ),
      body: new Container(
        padding: EdgeInsets.all(10.0),
        child: new Row(
          children: <Widget>[
            new Text('Name : '),
            Expanded(
              child: new TextField(
              enabled: false,
              decoration: new InputDecoration(
                border: new OutlineInputBorder(
                    borderSide: new BorderSide(color: Colors.black)),
                labelText: ('${result}'),
              ),
            )),
          ],
        ),
      ),
    );
  }
}