Flutter Access Parent Class Properties from Its Child (FAPCPIC)

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I have two screens in my Flutter app: a list of records and a screen for creating and editing records.

If I pass an object to the second screen, it means I am editing it, and if I pass null, it means I am creating a new item. The editing screen is a Stateful widget, and I'm not sure how to use the approach described in this Flutter cookbook guide for my case.

class RecordPage extends StatefulWidget {
  final Record recordObject;

  RecordPage({Key key, @required this.recordObject}) : super(key: key);

  @override
  _RecordPageState createState() => new _RecordPageState();
}

class _RecordPageState extends State<RecordPage> {
  @override
  Widget build(BuildContext context) {
   //.....
  }
}

Question
How can I access recordObject within _RecordPageState?

Solution
To use recordObject in _RecordPageState, you simply reference it using widget.objectName as shown below.

class _RecordPageState extends State<RecordPage> {
  @override
  Widget build(BuildContext context) {
   .....
   widget.recordObject
   .....
  }
}