Flutter - Basic Routing to Pages YouTube source code - This is the IntelliJ IDEA live template for a stateful widget for a page.

stful-page.liveTemplate

class $NAME$ extends StatefulWidget {
  $NAME$({Key key, this.title}) : super(key: key);

  static const String routeName = "/$NAME$";

  final String title;

  @override
  _$NAME$State createState() => new _$NAME$State();
}

/// // 1. After the page has been created, register it with the app routes 
/// routes: <String, WidgetBuilder>{
///   $NAME$.routeName: (BuildContext context) => new $NAME$(title: "$NAME$"),
/// },
///
/// // 2. Then this could be used to navigate to the page.
/// Navigator.pushNamed(context, $NAME$.routeName);
///

class _$NAME$State extends State<$NAME$> {
  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      appBar: new AppBar(
        title: new Text(widget.title),
      ),
      body: new Container($END$),
      floatingActionButton: new FloatingActionButton(
        onPressed: _onFloatingActionButtonPressed,
        tooltip: 'Add',
        child: new Icon(Icons.add),
      ),
    );
  }

  void _onFloatingActionButtonPressed() {
  }
}

This live template is used in this video:

https://www.youtube.com/watch?v=Me7n92nH6FY&index=13&list=PLBbgqtDgdc_RUWUCInIqxpY--C94C6Xjh - YouTube Episode