|  | // Flutter code sample for {{element}} | 
|  |  | 
|  | {{description}} | 
|  |  | 
|  | import 'package:flutter/widgets.dart'; | 
|  |  | 
|  | {{code-imports}} | 
|  |  | 
|  | void main() => runApp(new MyApp()); | 
|  |  | 
|  | /// This Widget is the main application widget. | 
|  | class MyApp extends StatelessWidget { | 
|  | @override | 
|  | Widget build(BuildContext context) { | 
|  | return WidgetsApp( | 
|  | title: 'Flutter Code Sample', | 
|  | home: MyStatefulWidget(), | 
|  | color: const Color(0xffffffff), | 
|  | ); | 
|  | } | 
|  | } | 
|  |  | 
|  | {{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}} | 
|  | } |