AudioAttributesCompat	A class to encapsulate a collection of attributes describing information about an audio stream.
AudioAttributesCompat.AudioAttributesImplApi21
AudioAttributesCompat.AudioAttributesImplApi26
AudioAttributesCompat.AudioAttributesImplBase
AudioAttributesCompat.Builder	Builder class for AudioAttributesCompat objects.
IMediaControllerCallback.Stub	Local-side IPC implementation stub class.
IMediaSession.Stub	Local-side IPC implementation stub class.
LegacyParcelableUtil	Utilities to convert `android.os.Parcelable` instances to and from legacy package names when writing to or reading them from a .
MediaBrowserCompat	Browses media content offered by a MediaBrowserServiceCompat.
MediaBrowserCompat.ConnectionCallback	Callbacks for connection related events.
MediaBrowserCompat.CustomActionCallback	Callback for receiving the result of MediaBrowserCompat.sendCustomAction(String, Bundle, MediaBrowserCompat.CustomActionCallback).
MediaBrowserCompat.ItemCallback	Callback for receiving the result of MediaBrowserCompat.getItem(String, MediaBrowserCompat.ItemCallback).
MediaBrowserCompat.MediaItem	A class with information on a single media item for use in browsing/searching media.
MediaBrowserCompat.SearchCallback	Callback for receiving the result of MediaBrowserCompat.search(String, Bundle, MediaBrowserCompat.SearchCallback).
MediaBrowserCompat.SubscriptionCallback	Callbacks for subscription related events.
MediaBrowserCompatUtils
MediaBrowserProtocol	Defines the communication protocol for media browsers and media browser services.
MediaBrowserServiceCompat	Base class for media browse services.
MediaBrowserServiceCompat.BrowserRoot	Contains information that the browser service needs to send to the client when first connected.
MediaBrowserServiceCompat.Result<T>	Completion handler for asynchronous callback methods in MediaBrowserServiceCompat.
MediaButtonReceiver	A media button receiver receives and helps translate hardware media playback buttons, such as those found on wired and wireless headsets, into the appropriate callbacks in your app.
MediaConstants	Media constants for sharing constants between media provider and consumer apps
MediaControllerCompat	Allows an app to interact with an ongoing media session.
MediaControllerCompat.Callback	Callback for receiving updates on from the session.
MediaControllerCompat.PlaybackInfo	Holds information about the way volume is handled for this session.
MediaControllerCompat.TransportControls	Interface for controlling media playback on a session.
MediaDescriptionCompat	A simple set of metadata for a media item suitable for display.
MediaDescriptionCompat.Builder	Builder for MediaDescriptionCompat objects.
MediaMetadataCompat	Contains metadata about an item, such as the title, artist, etc.
MediaMetadataCompat.Builder	Use to build MediaMetadata objects.
MediaSessionCompat	Allows interaction with media controllers, volume keys, media buttons, and transport controls.
MediaSessionCompat.Callback	Receives transport controls, media buttons, and commands from controllers and the system.
MediaSessionCompat.QueueItem	A single item that is part of the play queue.
MediaSessionCompat.Token	Represents an ongoing session.
MediaSessionManager	Provides support for interacting with media sessions that applications have published to express their ongoing media playback state.
MediaSessionManager.RemoteUserInfo	Information of a remote user of MediaSessionCompat or MediaBrowserServiceCompat.
ParcelableVolumeInfo	Convenience class for passing information about the audio configuration of a MediaSessionCompat.
PlaybackStateCompat	Playback state for a MediaSessionCompat.
PlaybackStateCompat.Builder	Builder for PlaybackStateCompat objects.
PlaybackStateCompat.CustomAction	CustomActions can be used to extend the capabilities of the standard transport controls by exposing app specific actions to Controllers.
PlaybackStateCompat.CustomAction.Builder	Builder for PlaybackStateCompat.CustomAction objects.
RatingCompat	A class to encapsulate rating information used as content metadata.
VolumeProviderCompat	Handles requests to adjust or set the volume on a session.
VolumeProviderCompat.Callback	Listens for changes to the volume.