SessionPlayer.PlayerCallback

public void onAudioAttributesChanged(
    @NonNull SessionPlayer player,
    @Nullable AudioAttributesCompat attributes
)

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

public void onBufferingStateChanged(
    @NonNull SessionPlayer player,
    @Nullable MediaItem item,
    int buffState
)

Called when a buffering events for a media item happened.

public void onCurrentMediaItemChanged(
    @NonNull SessionPlayer player,
    @Nullable MediaItem item
)

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.

public void onPlaybackCompleted(@NonNull SessionPlayer player)

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.

public void onPlaybackSpeedChanged(
    @NonNull SessionPlayer player,
    float playbackSpeed
)

Called when the playback speed has changed.

public void onPlayerStateChanged(@NonNull SessionPlayer player, int playerState)

Called when the state of the player has changed.

public void onPlaylistChanged(
    @NonNull SessionPlayer player,
    @Nullable List<MediaItem> list,
    @Nullable MediaMetadata metadata
)

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

public void onPlaylistMetadataChanged(
    @NonNull SessionPlayer player,
    @Nullable MediaMetadata metadata
)

Called when a playlist metadata is changed.

public void onRepeatModeChanged(@NonNull SessionPlayer player, int repeatMode)

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getPreviousMediaItemIndex and getNextMediaItemIndex values can be outdated when this callback is called if the current media item is the first or last item in the playlist.

public void onSeekCompleted(@NonNull SessionPlayer player, long position)

Called when seekTo is completed.

public void onShuffleModeChanged(@NonNull SessionPlayer player, int shuffleMode)

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getPreviousMediaItemIndex and getNextMediaItemIndex values can be outdated when this callback is called if the current media item is the first or last item in the playlist.

public void onSubtitleData(
    @NonNull SessionPlayer player,
    @NonNull MediaItem item,
    @NonNull SessionPlayer.TrackInfo track,
    @NonNull SubtitleData data
)

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

public void onTrackDeselected(
    @NonNull SessionPlayer player,
    @NonNull SessionPlayer.TrackInfo trackInfo
)

Called when a track is deselected.

This callback will generally be called only after calling deselectTrack.

public void onTrackSelected(
    @NonNull SessionPlayer player,
    @NonNull SessionPlayer.TrackInfo trackInfo
)

Called when a track is selected.

public void onTracksChanged(
    @NonNull SessionPlayer player,
    @NonNull List<SessionPlayer.TrackInfo> tracks
)

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.

public void onVideoSizeChanged(@NonNull SessionPlayer player, @NonNull VideoSize size)

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.