import
'package:flutter/material.dart'
;
import
'package:uuid/uuid.dart'
;
void
main() {
runApp(
const
MyApp());
}
class
MyApp extends StatelessWidget {
const
MyApp({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return
MaterialApp(
title:
'UUID Example'
,
theme: ThemeData(
primarySwatch: Colors.blue,
),
home:
const
MyHomePage(),
);
}
}
class
MyHomePage extends StatefulWidget {
const
MyHomePage({Key? key}) : super(key: key);
@override
_MyHomePageState createState() => _MyHomePageState();
}
class
_MyHomePageState extends State<MyHomePage> {
String
uuid
= Uuid().v4();
void
_generateNewUuid() {
setState(() {
uuid
= Uuid().v4();
});
}
@override
Widget build(BuildContext context) {
return
Scaffold(
appBar: AppBar(
title:
const
Text(
'UUID Example'
),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
uuid
),
ElevatedButton(
child:
const
Text(
'Generate new UUID'
),
onPressed: _generateNewUuid,
),
],
),
),
);
}
}