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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,164 @@ | ||
| // This is a minimal example demonstrating live streaming. | ||
| // | ||
| // To run: | ||
| // | ||
| // flutter run -t lib/example_radio.dart | ||
|
|
||
| import 'package:audio_session/audio_session.dart'; | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:flutter/services.dart'; | ||
| import 'package:just_audio/just_audio.dart'; | ||
|
|
||
| void main() => runApp(MyApp()); | ||
|
|
||
| class MyApp extends StatefulWidget { | ||
| @override | ||
| _MyAppState createState() => _MyAppState(); | ||
| } | ||
|
|
||
| class _MyAppState extends State<MyApp> with WidgetsBindingObserver { | ||
| final _player = AudioPlayer(); | ||
|
|
||
| @override | ||
| void initState() { | ||
| super.initState(); | ||
| WidgetsBinding.instance?.addObserver(this); | ||
| SystemChrome.setSystemUIOverlayStyle(SystemUiOverlayStyle( | ||
| statusBarColor: Colors.black, | ||
| )); | ||
| _init(); | ||
| } | ||
|
|
||
| Future<void> _init() async { | ||
| // Inform the operating system of our app's audio attributes etc. | ||
| // We pick a reasonable default for an app that plays speech. | ||
| final session = await AudioSession.instance; | ||
| await session.configure(AudioSessionConfiguration.speech()); | ||
| // Listen to errors during playback. | ||
| _player.playbackEventStream.listen((event) {}, | ||
| onError: (Object e, StackTrace stackTrace) { | ||
| print('A stream error occurred: $e'); | ||
| }); | ||
| // Try to load audio from a source and catch any errors. | ||
| try { | ||
| await _player.setAudioSource(AudioSource.uri( | ||
| Uri.parse("https://stream-uk1.radioparadise.com/aac-320"))); | ||
| } catch (e) { | ||
| print("Error loading audio source: $e"); | ||
| } | ||
| } | ||
|
|
||
| @override | ||
| void dispose() { | ||
| WidgetsBinding.instance?.removeObserver(this); | ||
| // Release decoders and buffers back to the operating system making them | ||
| // available for other apps to use. | ||
| _player.dispose(); | ||
| super.dispose(); | ||
| } | ||
|
|
||
| @override | ||
| void didChangeAppLifecycleState(AppLifecycleState state) { | ||
| if (state == AppLifecycleState.paused) { | ||
| // Release the player's resources when not in use. We use "stop" so that | ||
| // if the app resumes later, it will still remember what position to | ||
| // resume from. | ||
| _player.stop(); | ||
| } | ||
| } | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| return MaterialApp( | ||
| debugShowCheckedModeBanner: false, | ||
| home: Scaffold( | ||
| body: SafeArea( | ||
| child: Container( | ||
| width: double.maxFinite, | ||
| child: Column( | ||
| crossAxisAlignment: CrossAxisAlignment.center, | ||
| mainAxisAlignment: MainAxisAlignment.center, | ||
| children: [ | ||
| StreamBuilder<IcyMetadata?>( | ||
| stream: _player.icyMetadataStream, | ||
| builder: (context, snapshot) { | ||
| final metadata = snapshot.data; | ||
| final title = metadata?.info?.title ?? ''; | ||
| final url = metadata?.info?.url; | ||
| return Column( | ||
| children: [ | ||
| if (url != null) Image.network(url), | ||
| Padding( | ||
| padding: const EdgeInsets.only(top: 8.0), | ||
| child: Text(title, | ||
| style: Theme.of(context).textTheme.headline6), | ||
| ), | ||
| ], | ||
| ); | ||
| }, | ||
| ), | ||
| // Display play/pause button and volume/speed sliders. | ||
| ControlButtons(_player), | ||
| ], | ||
| ), | ||
| ), | ||
| ), | ||
| ), | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| /// Displays the play/pause button and volume/speed sliders. | ||
| class ControlButtons extends StatelessWidget { | ||
| final AudioPlayer player; | ||
|
|
||
| ControlButtons(this.player); | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| return Row( | ||
| mainAxisSize: MainAxisSize.min, | ||
| children: [ | ||
| /// This StreamBuilder rebuilds whenever the player state changes, which | ||
| /// includes the playing/paused state and also the | ||
| /// loading/buffering/ready state. Depending on the state we show the | ||
| /// appropriate button or loading indicator. | ||
| StreamBuilder<PlayerState>( | ||
| stream: player.playerStateStream, | ||
| builder: (context, snapshot) { | ||
| final playerState = snapshot.data; | ||
| final processingState = playerState?.processingState; | ||
| final playing = playerState?.playing; | ||
| if (processingState == ProcessingState.loading || | ||
| processingState == ProcessingState.buffering) { | ||
| return Container( | ||
| margin: EdgeInsets.all(8.0), | ||
| width: 64.0, | ||
| height: 64.0, | ||
| child: CircularProgressIndicator(), | ||
| ); | ||
| } else if (playing != true) { | ||
| return IconButton( | ||
| icon: Icon(Icons.play_arrow), | ||
| iconSize: 64.0, | ||
| onPressed: player.play, | ||
| ); | ||
| } else if (processingState != ProcessingState.completed) { | ||
| return IconButton( | ||
| icon: Icon(Icons.pause), | ||
| iconSize: 64.0, | ||
| onPressed: player.pause, | ||
| ); | ||
| } else { | ||
| return IconButton( | ||
| icon: Icon(Icons.replay), | ||
| iconSize: 64.0, | ||
| onPressed: () => player.seek(Duration.zero), | ||
| ); | ||
| } | ||
| }, | ||
| ), | ||
| ], | ||
| ); | ||
| } | ||
| } |
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