Callback

Kotlin |Java

open class Callback

kotlin.Any
↳	androidx.leanback.media.PlayerAdapter.Callback

Client for client of PlayerAdapter.

Summary

Public constructors
`<init>()` Client for client of PlayerAdapter.

Public methods
open Unit	`onBufferedPositionChanged(adapter: PlayerAdapter!)` Event for `getBufferedPosition()` changed.
open Unit	`onBufferingStateChanged(adapter: PlayerAdapter!, start: Boolean)` Event for buffering start or stop.
open Unit	`onCurrentPositionChanged(adapter: PlayerAdapter!)` Event for `getCurrentPosition()` changed.
open Unit	`onDurationChanged(adapter: PlayerAdapter!)` Event for `getDuration()` changed.
open Unit	`onError(adapter: PlayerAdapter!, errorCode: Int, errorMessage: String!)` Event for error.
open Unit	`onMetadataChanged(adapter: PlayerAdapter!)` Event for meta data changed.
open Unit	`onPlayCompleted(adapter: PlayerAdapter!)` Client when the current media is finished.
open Unit	`onPlayStateChanged(adapter: PlayerAdapter!)` Client for Play/Pause state change.
open Unit	`onPreparedStateChanged(adapter: PlayerAdapter!)` Client for `isPrepared()` changed.
open Unit	`onVideoSizeChanged(adapter: PlayerAdapter!, width: Int, height: Int)` Event for video size changed.

Callback()

Client for client of PlayerAdapter.

open fun onBufferedPositionChanged(adapter: PlayerAdapter!): Unit

Parameters
`adapter`	PlayerAdapter!: The adapter whose `getBufferedPosition()` changed.

open fun onBufferingStateChanged(
    adapter: PlayerAdapter!, 
    start: Boolean
): Unit

Event for buffering start or stop. Initial default value is false.

Parameters
`adapter`	PlayerAdapter!: The adapter that begins buffering or finishes buffering.
`start`	Boolean: True for buffering start, false otherwise.

open fun onCurrentPositionChanged(adapter: PlayerAdapter!): Unit

Event for getCurrentPosition() changed.

Parameters
`adapter`	PlayerAdapter!: The adapter whose `getCurrentPosition()` changed.

open fun onDurationChanged(adapter: PlayerAdapter!): Unit

Event for getDuration() changed. Usually the duration does not change after playing except for live stream.

Parameters
`adapter`	PlayerAdapter!: The adapter whose `getDuration()` changed.

open fun onError(
    adapter: PlayerAdapter!, 
    errorCode: Int, 
    errorMessage: String!
): Unit

Event for error.

Parameters
`adapter`	PlayerAdapter!: The adapter that encounters error.
`errorCode`	Int: Optional error code, specific to implementation.
`errorMessage`	String!: Optional error message, specific to implementation.

open fun onMetadataChanged(adapter: PlayerAdapter!): Unit

Event for meta data changed.

Parameters
`adapter`	PlayerAdapter!: The adapter that finishes current media item.

open fun onPlayCompleted(adapter: PlayerAdapter!): Unit

Client when the current media is finished.

Parameters
`adapter`	PlayerAdapter!: The adapter that has just finished current media.

open fun onPlayStateChanged(adapter: PlayerAdapter!): Unit

Client for Play/Pause state change. See isPlaying().

open fun onPreparedStateChanged(adapter: PlayerAdapter!): Unit

Client for isPrepared() changed.

Parameters
`adapter`	PlayerAdapter!: The adapter that has changed ready state.

open fun onVideoSizeChanged(
    adapter: PlayerAdapter!, 
    width: Int, 
    height: Int
): Unit

Event for video size changed.

Parameters
`adapter`	PlayerAdapter!: The adapter whose video size has been detected or changed.
`width`	Int: Intrinsic width of the video.
`height`	Int: Intrinsic height of the video.