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import 'dart:convert'; | |
import 'package:flutter/material.dart'; | |
import 'package:flutter/services.dart'; | |
void main() { | |
runApp(MyApp()); | |
} | |
class MyApp extends StatelessWidget { | |
@override | |
Widget build(BuildContext context) { | |
return MaterialApp( | |
title: 'Flutter Demo', | |
theme: ThemeData( | |
primarySwatch: Colors.blue, | |
visualDensity: VisualDensity.adaptivePlatformDensity, | |
), | |
home: MyHomePage(title: 'Gestures demo'), | |
); | |
} | |
} | |
class MyHomePage extends StatefulWidget { | |
MyHomePage({Key key, this.title}) : super(key: key); | |
final String title; | |
@override | |
_MyHomePageState createState() => _MyHomePageState(); | |
} | |
class _MyHomePageState extends State<MyHomePage> { | |
final GlobalKey sliderKey = GlobalKey(); | |
double progress = 0.0; | |
static const platform = const MethodChannel('sample/gesture'); | |
@override | |
Widget build(BuildContext context) { | |
return Scaffold( | |
appBar: AppBar( | |
title: Text(widget.title), | |
), | |
body: Center( | |
child: Container( | |
height: 20, | |
child: Slider( | |
key: sliderKey, | |
value: progress, | |
onChanged: (value) => setState(() => progress = value), | |
), | |
), | |
), | |
); | |
} | |
} |
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