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edward1986/main.dart

Created Feb 23, 2021
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import 'package:flutter/material.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
primarySwatch: Colors.red,
),
home: MyHomePage(title: 'Epic Page'),
);
}
}
class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key);
final String title;
@override
_MyHomePageState createState() => _MyHomePageState();
}
String dropdownStr = 'Batman Begins';
class _MyHomePageState extends State<MyHomePage> {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: Center(
child: DropdownButton <String>(
value: dropdownStr,
onChanged: (String newValue) {
setState(() {
dropdownStr = newValue;
});
},
items: <String>[
'Batman Begins',
'The Dark Knight',
'The Dark Knight Rises'
]
.map<DropdownMenuItem<String>>((String value) {
return DropdownMenuItem<String>(
value: value,
child: Text(value)
);
}).toList()
)
),
);
}
}
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