AudioSystem class

Sends information to the OS's background audio system.

Only call these methods if you have an Audio to play in the background, and you wish to inform the OS on properties for display/interaction, i.e. showing metadata, and supporting interaction from the lockscreen/ control-center (iOS), notification (Android), or external controllers like bluetooth, watch, auto.

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

addMediaEventListener(ValueChanged<MediaEvent> listener) → void

handleNativeMediaEventCallback(Map arguments) → void

Handle the MethodCalls from the native implementation layer.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

removeMediaEventListener(ValueChanged<MediaEvent> listener) → void

setAndroidNotificationButtons(List androidMediaButtons, {List<int>? androidCompactIndices}) → void

Specify buttons for display in the Android notification.

setIosAudioCategory(IosAudioCategory category) → Future<void>

Sets the iOS audio category.

setMetadata(AudioMetadata metadata) → void

Set the media metadata for display in the OS's background audio system.

setPlaybackState(bool isPlaying, double positionSeconds) → void

Inform the OS's background audio system about the playback state; used to set the progress bar in lockscreen/notification.

setSupportedMediaActions(Set<MediaActionType> actions, {double? skipIntervalSeconds}) → void

Set the supported actions in the OS's background audio system.

stopBackgroundDisplay() → void

Clears the display of the OS's background audio display.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Properties

instance → AudioSystem

no setter