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Play music/audio stored in assets files (simultaneously) directly from Flutter (android / ios / web).
dependencies:
assets_audio_player: ^1.3.6And if you wan web support, enable web then add
dependencies:
assets_audio_player_web: ^1.3.6No needed to copy songs to a media cache, with assets_audio_player you can open them directly from the assets.
- Create an audio directory in your assets (not necessary named "audios")
- Declare it inside your pubspec.yaml
flutter:
assets:
- assets/audios/final assetsAudioPlayer = AssetsAudioPlayer();
assetsAudioPlayer.open(
Audio("assets/audios/song1.mp3"),
);assetsAudioPlayer.playOrPause();
assetsAudioPlayer.play();
assetsAudioPlayer.pause();assetsAudioPlayer.seek(Duration to);assetsAudioPlayer.stop();You can create new AssetsAudioPlayer using AssetsAudioPlayer.newPlayer(), which will play songs in a different native Media Player
This will enable to play two songs simultaneously
You can have as many player as you want !
///play 3 songs in parallel
AssetsAudioPlayer.newPlayer().open(
Audio("assets/audios/song1.mp3")
);
AssetsAudioPlayer.newPlayer().open(
Audio("assets/audios/song2.mp3")
);
AssetsAudioPlayer.newPlayer().open(
Audio("assets/audios/song3.mp3")
);Each player has an unique generated id, you can retrieve or create them manually using
final player = AssetsAudioPlayer(id: "MY_UNIQUE_ID")assetsAudioPlayer.open(
Playlist(
assetAudioPaths: [
"assets/audios/song1.mp3",
"assets/audios/song2.mp3"
]
)
);
assetsAudioPlayer.next();
assetsAudioPlayer.prev();
assetsAudioPlayer.playAtIndex(1);All listeners exposes Streams Using RxDart, AssetsAudioPlayer exposes some listeners as ValueObservable (Observable that provides synchronous access to the last emitted item);
//The current playing audio, filled with the total song duration
assetsAudioPlayer.current //ValueObservable<PlayingAudio>
//Retrieve directly the current played asset
final PlayingAudio playing = assetsAudioPlayer.current.value;
//Listen to the current playing song
assetsAudioPlayer.current.listen((playingAudio){
final asset = playingAudio.assetAudio;
final songDuration = playingAudio.duration;
})//Listen to the current playing song
final duration = assetsAudioPlayer.current.value.duration;assetsAudioPlayer.currentPosition //ValueObservable<Duration>
//retrieve directly the current song position
final Duration position = assetsAudioPlayer.currentPosition.value;
return StreamBuilder(
stream: assetsAudioPlayer.currentPosition,
builder: (context, asyncSnapshot) {
final Duration duration = asyncSnapshot.data;
return Text(duration.toString());
}),boolean observable representing the current mediaplayer playing state
assetsAudioPlayer.isPlaying // ValueObservable<bool>
//retrieve directly the current player state
final bool playing = assetsAudioPlayer.isPlaying.value;
//will follow the AssetsAudioPlayer playing state
return StreamBuilder(
stream: assetsAudioPlayer.isPlaying,
builder: (context, asyncSnapshot) {
final bool isPlaying = asyncSnapshot.data;
return Text(isPlaying ? "Pause" : "Play");
}),Change the volume (between 0.0 & 1.0)
assetsAudioPlayer.setVolume(0.5);Listen the volume
return StreamBuilder(
stream: assetsAudioPlayer.volume,
builder: (context, asyncSnapshot) {
final double volume = asyncSnapshot.data;
return Text("volume : $volume");
}),Called when the current song has finished to play,
it gives the Playing audio that just finished
assetsAudioPlayer.playlistAudioFinished //ValueObservable<Playing>
assetsAudioPlayer.playlistAudioFinished.listen((Playing playing){
})Called when the complete playlist has finished to play
assetsAudioPlayer.playlistFinished //ValueObservable<bool>
assetsAudioPlayer.playlistFinished.listen((finished){
})final bool isLooping = assetsAudioPlayer.loop; //true / false
assetsAudioPlayer.loop = true; //set loop as true
assetsAudioPlayer.isLooping.listen((loop){
//listen to loop
})
assetsAudioPlayer.toggleLoop(); //toggle the value of loopingWeb support is using import_js_library to import the Howler.js library
The flutter wrapper of Howler has been exported in another package : https://github.com/florent37/flutter_web_howl
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