Created
September 14, 2021 16:03
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import 'package:flutter/material.dart'; | |
void main() => runApp(const MyApp()); | |
/// This is the main application widget. | |
class MyApp extends StatelessWidget { | |
const MyApp({Key? key}) : super(key: key); | |
static const String _title = 'Flutter Code Sample'; | |
@override | |
Widget build(BuildContext context) { | |
return MaterialApp( | |
title: _title, | |
home: Scaffold( | |
appBar: AppBar(title: const Text(_title)), | |
body: const Center( | |
child: MyStatelessWidget(), | |
), | |
), | |
); | |
} | |
} | |
/// This is the stateless widget that the main application instantiates. | |
class MyStatelessWidget extends StatelessWidget { | |
const MyStatelessWidget({Key? key}) : super(key: key); | |
@override | |
Widget build(BuildContext context) { | |
return TextButton( | |
onPressed: () => showDialog<String>( | |
context: context, | |
builder: (BuildContext context) => AlertDialog( | |
title: const Text('AlertDialog Title'), | |
content: const Text('AlertDialog description'), | |
actions: <Widget>[ | |
TextButton( | |
onPressed: () => Navigator.pop(context, 'Cancel'), | |
child: const Text('Cancel'), | |
), | |
TextButton( | |
onPressed: () => Navigator.pop(context, 'OK'), | |
child: const Text('OK'), | |
), | |
], | |
), | |
), | |
child: const Text('Show Dialog'), | |
); | |
} | |
} |
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