PlayerCallback

Kotlin |Java

abstract class PlayerCallback

kotlin.Any
↳	androidx.media2.common.SessionPlayer.PlayerCallback

Known Direct Subclasses

MediaPlayer.PlayerCallback, RemoteSessionPlayer.Callback

MediaPlayer.PlayerCallback	Interface definition for callbacks to be invoked when the player has the corresponding events.
RemoteSessionPlayer.Callback	A callback class to receive notifications for events on the remote session player.

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

Summary

Public constructors
`<init>()` A callback class to receive notifications for events on the session player.

Public methods
open Unit	`onAudioAttributesChanged(@NonNull player: SessionPlayer, @Nullable attributes: AudioAttributesCompat?)` Called when the player's current audio attributes are changed.
open Unit	`onBufferingStateChanged(@NonNull player: SessionPlayer, @Nullable item: MediaItem?, buffState: Int)` Called when a buffering events for a media item happened.
open Unit	`onCurrentMediaItemChanged(@NonNull player: SessionPlayer, @NonNull item: MediaItem)` Called when the player's current media item has changed.
open Unit	`onPlaybackCompleted(@NonNull player: SessionPlayer)` Called when the player finished playing.
open Unit	`onPlaybackSpeedChanged(@NonNull player: SessionPlayer, playbackSpeed: Float)` Called when the playback speed has changed.
open Unit	`onPlayerStateChanged(@NonNull player: SessionPlayer, playerState: Int)` Called when the state of the player has changed.
open Unit	`onPlaylistChanged(@NonNull player: SessionPlayer, @Nullable list: MutableList<MediaItem!>?, @Nullable metadata: MediaMetadata?)` Called when a playlist is changed.
open Unit	`onPlaylistMetadataChanged(@NonNull player: SessionPlayer, @Nullable metadata: MediaMetadata?)` Called when a playlist metadata is changed.
open Unit	`onRepeatModeChanged(@NonNull player: SessionPlayer, repeatMode: Int)` Called when the repeat mode is changed.
open Unit	`onSeekCompleted(@NonNull player: SessionPlayer, position: Long)` Called when `seekTo(long)` is completed.
open Unit	`onShuffleModeChanged(@NonNull player: SessionPlayer, shuffleMode: Int)` Called when the shuffle mode is changed.
open Unit	`onSubtitleData(@NonNull player: SessionPlayer, @NonNull item: MediaItem, @NonNull track: SessionPlayer.TrackInfo, @NonNull data: SubtitleData)` Called when the player's subtitle track has new subtitle data available.
open Unit	`onTrackDeselected(@NonNull player: SessionPlayer, @NonNull trackInfo: SessionPlayer.TrackInfo)` Called when a track is deselected.
open Unit	`onTrackSelected(@NonNull player: SessionPlayer, @NonNull trackInfo: SessionPlayer.TrackInfo)` Called when a track is selected.
open Unit	`onTracksChanged(@NonNull player: SessionPlayer, @NonNull tracks: MutableList<SessionPlayer.TrackInfo!>)` 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.
open Unit	`onVideoSizeChanged(@NonNull player: SessionPlayer, @NonNull size: VideoSize)` Called to indicate the video size

Public constructors

<init>

PlayerCallback()

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

Public methods

onAudioAttributesChanged

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

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

Parameters
`player`	SessionPlayer: the player whose audio attributes are changed
`attributes`	AudioAttributesCompat?: the new current audio attributes

See Also

#getAudioAttributes()

onBufferingStateChanged

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

Called when a buffering events for a media item happened.

Parameters
`player`	SessionPlayer: the player that is buffering
`item`	MediaItem?: the media item for which buffering is happening
`buffState`	Int: the new buffering state

See Also

#getBufferingState()

onCurrentMediaItemChanged

open fun onCurrentMediaItemChanged(
    @NonNull player: SessionPlayer, 
    @NonNull