6 月 3 日の「#Android11: The Beta Launch Show」にぜひご参加ください。

androidx.media2.widget

Interfaces

MediaControlView.OnFullScreenListener Interface definition of a callback to be invoked to inform the fullscreen mode is changed. 
VideoView.OnViewTypeChangedListener Interface definition of a callback to be invoked when the view type has been changed. 

Classes

MediaControlView A View that contains the controls for MediaController or SessionPlayer
VideoView A high level view for media playback that can be integrated with either a SessionPlayer or a MediaController