android.media.session
Interfaces
| OnActiveSessionsChangedListener | 
             Listens for changes to the list of active sessions.  | 
        
| OnMediaKeyEventSessionChangedListener | 
             Listener to receive changes in the media key event session, which would receive a media key event unless specified.  | 
        
| OnSession2TokensChangedListener | 
             Listens for changes to the   | 
        
Classes
| MediaController | 
             Allows an app to interact with an ongoing media session.  | 
        
| MediaSession | 
             Allows interaction with media controllers, volume keys, media buttons, and transport controls.  | 
        
| MediaSessionManager | 
             Provides support for interacting with   | 
        
| PlaybackState | 
             Playback state for a   |