MediaPlayer.OnDrmConfigHelper	Interface definition of a callback to be invoked when the app can do DRM configuration (get/set properties) before the session is opened.
MediaPlayer2.OnDrmConfigHelper	Interface definition of a callback to be invoked when the app can do DRM configuration (get/set properties) before the session is opened.
Rating	An interface to encapsulate rating information used as content metadata.
SessionToken.OnSessionTokenCreatedListener

AudioFocusHandler	Handles audio focus and noisy intent depending on the AudioAttributesCompat.
CallbackMediaItem	Structure for media item descriptor for DataSourceCallback.
CallbackMediaItem.Builder	This Builder class simplifies the creation of a CallbackMediaItem object.
DataSourceCallback	For supplying media data, implement this if your app has special requirements for the way media data is obtained.
FileMediaItem	Structure for media item for a file.
FileMediaItem.Builder	This Builder class simplifies the creation of a FileMediaItem object.
HeartRating	A class for rating with a single degree of rating, "heart" vs "no heart".
MediaBrowser	Browses media content offered by a MediaLibraryService.
MediaBrowser.BrowserCallback	Callback to listen events from MediaLibraryService.
MediaBrowser.BrowserResult	Result class to be used with for asynchronous calls.
MediaController	Allows an app to interact with an active MediaSession or a MediaSessionService which would provide MediaSession.
MediaController.ControllerCallback	Interface for listening to change in activeness of the MediaSession.
MediaController.ControllerResult	Result class to be used with for asynchronous calls.
MediaController.PlaybackInfo	Holds information about the the way volume is handled for this session.
MediaItem	A class with information on a single media item with the metadata information.
MediaItem.Builder	Builder for MediaItem.
MediaItem.BuilderBase<T>	Base builder for MediaItem and its subclass.
MediaLibraryService	Base class for media library services, which is the service containing MediaLibraryService.MediaLibrarySession.
MediaLibraryService.LibraryParams	Contains information that the library service needs to send to the client.
MediaLibraryService.LibraryParams.Builder	Builds MediaLibraryService.LibraryParams.
MediaLibraryService.LibraryResult	Result class to be used with for asynchronous calls.
MediaLibraryService.MediaLibrarySession	Session for the MediaLibraryService.
MediaLibraryService.MediaLibrarySession.Builder	Builder for MediaLibraryService.MediaLibrarySession.
MediaLibraryService.MediaLibrarySession.MediaLibrarySessionCallback	Callback for the MediaLibraryService.MediaLibrarySession.
MediaMetadata	Contains metadata about an item, such as the title, artist, etc.
MediaMetadata.Builder	Use to build MediaMetadatax objects.
MediaNotificationHandler	Provides default media notification for MediaSessionService, and set the service as foreground/background according to the player state.
MediaPlayer	A media player which plays MediaItems.
MediaPlayer.DrmInfo	Encapsulates the DRM properties of the source.
MediaPlayer.DrmResult	Result class of the asynchronous DRM APIs.
MediaPlayer.MetricsConstants	Definitions for the metrics that are reported via the MediaPlayer.getMetrics() call.
MediaPlayer.NoDrmSchemeException	Thrown when a DRM method is called before preparing a DRM scheme through prepareDrm().
MediaPlayer.PlayerCallback	Interface definition for callbacks to be invoked when the player has the corresponding events.
MediaPlayer.TrackInfo	Class for the player to return each audio/video/subtitle track's metadata.
MediaPlayer2	MediaPlayer2 class can be used to control playback of audio/video files and streams.
MediaPlayer2.DrmEventCallback	Interface definition for callbacks to be invoked when the player has the corresponding DRM events.
MediaPlayer2.DrmInfo	Encapsulates the DRM properties of the source.
MediaPlayer2.EventCallback	Interface definition for callbacks to be invoked when the player has the corresponding events.
MediaPlayer2.MetricsConstants	Definitions for the metrics that are reported via the MediaPlayer2.getMetrics() call.
MediaPlayer2.NoDrmSchemeException	Thrown when a DRM method is called before preparing a DRM scheme through prepareDrm().
MediaPlayer2.TrackInfo	Class for MediaPlayer2 to return each audio/video/subtitle track's metadata.
MediaPlayer2Impl	MediaPlayer2 implementation for platform version P (28).
MediaPlayer2Impl.DrmInfoImpl	Encapsulates the DRM properties of the source.
MediaSession	Allows a media app to expose its transport controls and playback information in a process to other processes including the Android framework and other apps.
MediaSession.Builder	Builder for MediaSession.
MediaSession.CommandButton	Button for a SessionCommand that will be shown by the controller.
MediaSession.CommandButton.Builder	Builder for MediaSession.CommandButton.
MediaSession.ControllerInfo	Information of a controller.
MediaSession.SessionCallback	Callback to be called for all incoming commands from MediaControllers.
MediaSession.SessionResult	Result class to be used with for asynchronous calls.
MediaSessionManager	Provides support for interacting with media sessions that applications have published in order to express their ongoing media playback state.
MediaSessionService	Base class for media session services, which is the service containing MediaSession.
MediaSessionService.MediaNotification	Returned by MediaSessionService.onUpdateNotification(MediaSession) for making session service foreground service to keep playback running in the background.
MediaTimestamp	An immutable object that represents the linear correlation between the media time and the system time.
MediaUtils
ParcelImplListSlice	Transfer a large list of ParcelImpl objects across an IPC.
PercentageRating	A class for rating expressed as a percentage.
PlaybackParams	Structure for common playback params.
PlaybackParams.Builder	The builder class that makes it easy to chain setters to create a PlaybackParams object.
RemoteSessionPlayer	Base interface for all remote media players that want media session and playback happens on the remote device through MediaRouter.
RemoteSessionPlayer.Callback
SessionCommand	Define a command that a MediaController can send to a MediaSession.
SessionCommandGroup	A set of SessionCommand which represents a command group.
SessionCommandGroup.Builder	Builds a SessionCommandGroup object.
SessionPlayer	Base interface for all media players that want media session.
SessionPlayer.PlayerCallback	A callback class to receive notifications for events on the session player.
SessionPlayer.PlayerResult	Result class of the asynchronous APIs.
SessionToken	Represents an ongoing MediaSession or a MediaSessionService.
StarRating	A class for rating expressed as the number of stars.
SubtitleData	Class encapsulating subtitle data, as received through the MediaPlayer.PlayerCallback.onSubtitleData(MediaPlayer, MediaItem, SubtitleData) interface.
ThumbRating	A class for rating with a single degree of rating, "thumb up" vs "thumb down".
TimedMetaData	Class that embodies one timed metadata access unit, including a time stamp, and raw uninterpreted byte-array extracted directly from the container.
UriMediaItem	Structure for media item descriptor for .
UriMediaItem.Builder	This Builder class simplifies the creation of a UriMediaItem object.
VideoSize	Immutable class for describing video size.