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volume_slider_example.dart
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volume_slider_example.dart
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import 'package:flutter/material.dart';
import 'package:flutter_volume_controller/flutter_volume_controller.dart';
void main() => runApp(const VolumeSliderExample());
class VolumeSliderExample extends StatelessWidget {
const VolumeSliderExample({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
theme: ThemeData(useMaterial3: true),
home: const VolumeSlider(),
);
}
}
class VolumeSlider extends StatefulWidget {
const VolumeSlider({super.key});
@override
State<VolumeSlider> createState() => _VolumeSliderState();
}
class _VolumeSliderState extends State<VolumeSlider> {
double _volume = 0;
bool _showSystemSlider = true;
@override
void initState() {
super.initState();
FlutterVolumeController.addListener((volume) {
setState(() {
_volume = volume;
});
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Volume Slider'),
),
body: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Slider(
value: _volume,
onChanged: (value) {
setState(() {
FlutterVolumeController.setVolume(value);
});
},
),
const SizedBox(height: 20),
Text(
'Volume: ${_volume.toString()}',
),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Text('Show system slider'),
Checkbox(
value: _showSystemSlider,
onChanged: (value) {
final checked = value ?? true;
FlutterVolumeController.updateShowSystemUI(checked);
setState(() {
_showSystemSlider = checked;
});
},
),
],
),
],
),
);
}
}