/// Flutter code sample for {{element}} {{description}} import 'package:flutter/cupertino.dart'; {{code-imports}} void main() => runApp(new MyApp()); /// This is the main application widget. class MyApp extends StatelessWidget { static const String _title = 'Flutter Code Sample'; @override Widget build(BuildContext context) { return CupertinoApp( title: _title, home: MyStatefulWidget(), ); } } {{code-preamble}} /// This is the stateful widget that the main application instantiates. class MyStatefulWidget extends StatefulWidget { MyStatefulWidget({Key? key}) : super(key: key); @override _MyStatefulWidgetState createState() => _MyStatefulWidgetState(); } /// This is the private State class that goes with MyStatefulWidget. class _MyStatefulWidgetState extends State<MyStatefulWidget> { {{code}} }