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Last updated 2025-05-15 UTC.
[null,null,["Last updated 2025-05-15 UTC."],[],[],null,["# android.support.v4.media.session\n================================\n\n*** ** * ** ***\n\n[Kotlin](/reference/kotlin/android/support/v4/media/session/package-summary \"View this page in Kotlin\") \\|Java\n\nInterfaces\n----------\n\n|------------------------------------------------------------------------------------------------------------------------------------|---|\n| [MediaSessionCompat.OnActiveChangeListener](/reference/android/support/v4/media/session/MediaSessionCompat.OnActiveChangeListener) | |\n\nClasses\n-------\n\n|----------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [MediaControllerCompat](/reference/android/support/v4/media/session/MediaControllerCompat) | Allows an app to interact with an ongoing media session. |\n| [MediaControllerCompat.Callback](/reference/android/support/v4/media/session/MediaControllerCompat.Callback) | Callback for receiving updates on from the session. |\n| [MediaControllerCompat.PlaybackInfo](/reference/android/support/v4/media/session/MediaControllerCompat.PlaybackInfo) | Holds information about the way volume is handled for this session. |\n| [MediaControllerCompat.TransportControls](/reference/android/support/v4/media/session/MediaControllerCompat.TransportControls) | Interface for controlling media playback on a session. |\n| [MediaSessionCompat](/reference/android/support/v4/media/session/MediaSessionCompat) | Allows interaction with media controllers, volume keys, media buttons, and transport controls. |\n| [MediaSessionCompat.Callback](/reference/android/support/v4/media/session/MediaSessionCompat.Callback) | Receives transport controls, media buttons, and commands from controllers and the system. |\n| [MediaSessionCompat.QueueItem](/reference/android/support/v4/media/session/MediaSessionCompat.QueueItem) | A single item that is part of the play queue. |\n| [MediaSessionCompat.Token](/reference/android/support/v4/media/session/MediaSessionCompat.Token) | Represents an ongoing session. |\n| [ParcelableVolumeInfo](/reference/android/support/v4/media/session/ParcelableVolumeInfo) | Convenience class for passing information about the audio configuration of a [MediaSessionCompat](/reference/android/support/v4/media/session/MediaSessionCompat). |\n| [PlaybackStateCompat](/reference/android/support/v4/media/session/PlaybackStateCompat) | Playback state for a [MediaSessionCompat](/reference/android/support/v4/media/session/MediaSessionCompat). |\n| [PlaybackStateCompat.Builder](/reference/android/support/v4/media/session/PlaybackStateCompat.Builder) | Builder for [PlaybackStateCompat](/reference/android/support/v4/media/session/PlaybackStateCompat) objects. |\n| [PlaybackStateCompat.CustomAction](/reference/android/support/v4/media/session/PlaybackStateCompat.CustomAction) | [CustomActions](/reference/android/support/v4/media/session/PlaybackStateCompat.CustomAction) can be used to extend the capabilities of the standard transport controls by exposing app specific actions to [Controllers](/reference/android/support/v4/media/session/MediaControllerCompat). |\n| [PlaybackStateCompat.CustomAction.Builder](/reference/android/support/v4/media/session/PlaybackStateCompat.CustomAction.Builder) | Builder for [CustomAction](/reference/android/support/v4/media/session/PlaybackStateCompat.CustomAction) objects. |"]]
