PlayerCallback

<init>

PlayerCallback()

A callback class to receive notifications for events on the session player. See registerPlayerCallback(Executor, PlayerCallback) to register this callback.

onAudioAttributesChanged

open fun onAudioAttributesChanged(
    @NonNull player: SessionPlayer, 
    @Nullable attributes: AudioAttributesCompat?
): Unit

Called when the player's current audio attributes are changed.

onBufferingStateChanged

open fun onBufferingStateChanged(
    @NonNull player: SessionPlayer, 
    @Nullable item: MediaItem?, 
    buffState: Int
): Unit

Called when a buffering events for a media item happened.

onCurrentMediaItemChanged

open fun onCurrentMediaItemChanged(
    @NonNull player: SessionPlayer, 
    @NonNull item: MediaItem
): Unit

Called when the player's current media item has changed. Generally called after a new media item is set through setPlaylist or setMediaItem, or after skipping to a different item in a given playlist.

onPlaybackCompleted

open fun onPlaybackCompleted(@NonNull player: SessionPlayer): Unit

Called when the player finished playing. Playback state would be also set PLAYER_STATE_PAUSED with it.

This will be called only when the repeat mode is set to REPEAT_MODE_NONE.

onPlaybackSpeedChanged

open fun onPlaybackSpeedChanged(
    @NonNull player: SessionPlayer, 
    playbackSpeed: Float
): Unit

Called when the playback speed has changed.

onPlayerStateChanged

open fun onPlayerStateChanged(
    @NonNull player: SessionPlayer, 
    playerState: Int
): Unit

Called when the state of the player has changed.

onPlaylistChanged

open fun onPlaylistChanged(
    @NonNull player: SessionPlayer, 
    @Nullable list: MutableList<MediaItem!>?, 
    @Nullable metadata: MediaMetadata?
): Unit

Called when a playlist is changed. It's also called after setPlaylist or setMediaItem.

onPlaylistMetadataChanged

open fun onPlaylistMetadataChanged(
    @NonNull player: SessionPlayer, 
    @Nullable metadata: MediaMetadata?
): Unit

Called when a playlist metadata is changed.

onRepeatModeChanged

open fun onRepeatModeChanged(
    @NonNull player: SessionPlayer, 
    repeatMode: Int
): Unit

Called when the repeat mode is changed.

SessionPlayer#getPreviousMediaItemIndex() and SessionPlayer#getNextMediaItemIndex() values can be outdated when this callback is called if the current media item is the first or last item in the playlist.

onSeekCompleted

open fun onSeekCompleted(
    @NonNull player: SessionPlayer, 
    position: Long
): Unit

Called when seekTo(long) is completed.

onShuffleModeChanged

open fun onShuffleModeChanged(
    @NonNull player: SessionPlayer, 
    shuffleMode: Int
): Unit

Called when the shuffle mode is changed.

SessionPlayer#getPreviousMediaItemIndex() and SessionPlayer#getNextMediaItemIndex() values can be outdated when this callback is called if the current media item is the first or last item in the playlist.

onSubtitleData

open fun onSubtitleData(
    @NonNull player: SessionPlayer, 
    @NonNull item: MediaItem, 
    @NonNull track: SessionPlayer.TrackInfo, 
    @NonNull data: SubtitleData
): Unit

Called when the player's subtitle track has new subtitle data available.

onTrackDeselected

open fun onTrackDeselected(
    @NonNull player: SessionPlayer, 
    @NonNull trackInfo: SessionPlayer.TrackInfo
): Unit

Called when a track is deselected.

This callback will generally be called only after calling deselectTrack(TrackInfo).

onTrackSelected

open fun onTrackSelected(
    @NonNull player: SessionPlayer, 
    @NonNull trackInfo: SessionPlayer.TrackInfo
): Unit

Called when a track is selected.

onTracksChanged

open fun onTracksChanged(
    @NonNull player: SessionPlayer, 
    @NonNull tracks: MutableList<SessionPlayer.TrackInfo!>
): Unit

Called when the tracks of the current media item is changed such as 1) when tracks of a media item become available, 2) when new tracks are found during playback, or 3) when the current media item is changed.

When it's called, you should invalidate previous track information and use the new tracks to call selectTrack(TrackInfo) or deselectTrack(TrackInfo).

onVideoSizeChanged

open fun onVideoSizeChanged(
    @NonNull player: SessionPlayer, 
    @NonNull size: VideoSize
): Unit

Called to indicate the video size

The video size (width and height) could be 0 if there was no video, no display surface was set, or the value was not determined yet.

This callback is generally called when player updates video size, but will also be called when PlayerCallback#onCurrentMediaItemChanged(SessionPlayer, MediaItem) is called.