SessionPlayer.PlayerCallback

fun onAudioAttributesChanged(
    player: SessionPlayer,
    attributes: AudioAttributesCompat?
): Unit

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

fun onBufferingStateChanged(
    player: SessionPlayer,
    item: MediaItem?,
    buffState: Int
): Unit

Called when a buffering events for a media item happened.

fun onCurrentMediaItemChanged(player: SessionPlayer, 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.

fun onPlaybackCompleted(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.

fun onPlaybackSpeedChanged(player: SessionPlayer, playbackSpeed: Float): Unit

Called when the playback speed has changed.

fun onPlayerStateChanged(player: SessionPlayer, playerState: Int): Unit

Called when the state of the player has changed.

fun onPlaylistChanged(
    player: SessionPlayer,
    list: (Mutable)List<MediaItem!>?,
    metadata: MediaMetadata?
): Unit

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

fun onPlaylistMetadataChanged(player: SessionPlayer, metadata: MediaMetadata?): Unit

Called when a playlist metadata is changed.

fun onRepeatModeChanged(player: SessionPlayer, repeatMode: Int): Unit

Called when the repeat mode is changed.

getPreviousMediaItemIndex and getNextMediaItemIndex values can be outdated when this callback is called if the current media item is the first or last item in the playlist.

fun onSeekCompleted(player: SessionPlayer, position: Long): Unit

Called when seekTo is completed.

fun onShuffleModeChanged(player: SessionPlayer, shuffleMode: Int): Unit

Called when the shuffle mode is changed.

getPreviousMediaItemIndex and getNextMediaItemIndex values can be outdated when this callback is called if the current media item is the first or last item in the playlist.

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

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

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

Called when a track is deselected.

This callback will generally be called only after calling deselectTrack.

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

Called when a track is selected.

fun onTracksChanged(
    player: SessionPlayer,
    tracks: (Mutable)List<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 or deselectTrack.

fun onVideoSizeChanged(player: SessionPlayer, 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 onCurrentMediaItemChanged is called.