PlayerMessage

Artifact: androidx.media3:media3-exoplayer

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Kotlin |Java

@UnstableApi
class PlayerMessage

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Defines a player message which can be sent with a Sender and received by a .

Summary

Nested types
interface PlayerMessage.Sender A sender for messages.
interface PlayerMessage.Target A target for messages.

Public constructors
PlayerMessage(     sender: PlayerMessage.Sender!,     target: PlayerMessage.Target!,     timeline: Timeline!,     defaultMediaItemIndex: Int,     clock: Clock!,     defaultLooper: Looper! ) Creates a new message.

Public functions
synchronized Boolean	blockUntilDelivered() Blocks until after the message has been delivered or the player is no longer able to deliver the message.
synchronized Boolean	blockUntilDelivered(timeoutMs: Long) Blocks until after the message has been delivered or the player is no longer able to deliver the message or the specified timeout elapsed.
synchronized PlayerMessage!	@CanIgnoreReturnValue cancel() Cancels the message delivery.
synchronized Unit	markAsProcessed(isDelivered: Boolean) Marks the message as processed.
PlayerMessage!	@CanIgnoreReturnValue send() Sends the message.
PlayerMessage!	@CanIgnoreReturnValue setPosition(positionMs: Long) Sets a position in the current media item at which the message will be delivered.
PlayerMessage!	@CanIgnoreReturnValue setPosition(mediaItemIndex: Int, positionMs: Long) Sets a position in a media item at which the message will be delivered.

Public properties
Boolean	deleteAfterDelivery
Boolean	isCanceled
Looper!	looper
Int	mediaItemIndex
Any?	payload
Long	positionMs
PlayerMessage.Target!	target
Timeline!	timeline
Int	type

Public constructors

PlayerMessage

PlayerMessage(
    sender: PlayerMessage.Sender!,
    target: PlayerMessage.Target!,
    timeline: Timeline!,
    defaultMediaItemIndex: Int,
    clock: Clock!,
    defaultLooper: Looper!
)

Creates a new message.

Parameters
sender: PlayerMessage.Sender!	The Sender used to send the message.
target: PlayerMessage.Target!	The Target the message is sent to.
timeline: Timeline!	The timeline used when setting the position with setPosition. If set to EMPTY, any position can be specified.
defaultMediaItemIndex: Int	The default media item index in the timeline when no other media item index is specified.
clock: Clock!	The Clock.
defaultLooper: Looper!	The default Looper to send the message on when no other looper is specified.

Public functions

blockUntilDelivered

synchronized fun blockUntilDelivered(): Boolean

Blocks until after the message has been delivered or the player is no longer able to deliver the message.

Note that this method must not be called if the current thread is the same thread used by the message looper as it would cause a deadlock.

Returns
Boolean	Whether the message was delivered successfully.

Throws
java.lang.IllegalStateException	If this method is called before send.
java.lang.IllegalStateException	If this method is called on the same thread used by the message looper.
java.lang.InterruptedException	If the current thread is interrupted while waiting for the message to be delivered.

blockUntilDelivered

synchronized fun blockUntilDelivered(timeoutMs: Long): Boolean

Blocks until after the message has been delivered or the player is no longer able to deliver the message or the specified timeout elapsed.

Note that this method must not be called if the current thread is the same thread used by the message looper as it would cause a deadlock.

Parameters
timeoutMs: Long	The timeout in milliseconds.

Returns
Boolean	Whether the message was delivered successfully.

Throws
java.lang.IllegalStateException	If this method is called before send.
java.lang.IllegalStateException	If this method is called on the same thread used by the message looper.
java.util.concurrent.TimeoutException	If the timeoutMs elapsed and this message has not been delivered and the player is still able to deliver the message.
java.lang.InterruptedException	If the current thread is interrupted while waiting for the message to be delivered.

cancel

@CanIgnoreReturnValue
synchronized fun cancel(): PlayerMessage!

Cancels the message delivery.

Returns
PlayerMessage!	This message.

Throws
java.lang.IllegalStateException	If this method is called before send.

markAsProcessed

synchronized fun markAsProcessed(isDelivered: Boolean): Unit

Marks the message as processed. Should only be called by a Sender and may be called multiple times.

Parameters
isDelivered: Boolean	Whether the message has been delivered to its target. The message is considered as being delivered when this method has been called with isDelivered set to true at least once.

send

@CanIgnoreReturnValue
fun send(): PlayerMessage!

Sends the message. If the target throws an ExoPlaybackException then it is propagated out of the player as an error using onPlayerError.

Returns
PlayerMessage!	This message.

Throws
java.lang.IllegalStateException	If this message has already been sent.

setPosition

@CanIgnoreReturnValue
fun setPosition(positionMs: Long): PlayerMessage!

Sets a position in the current media item at which the message will be delivered.

Parameters
positionMs: Long	The position in the current media item at which the message will be sent, in milliseconds, or TIME_END_OF_SOURCE to deliver the message at the end of the current media item.

Returns
PlayerMessage!	This message.

Throws
java.lang.IllegalStateException	If send has already been called.

setPosition

@CanIgnoreReturnValue
fun setPosition(mediaItemIndex: Int, positionMs: Long): PlayerMessage!

Sets a position in a media item at which the message will be delivered.

Parameters
mediaItemIndex: Int	The index of the media item at which the message will be sent.
positionMs: Long	The position in the media item with index mediaItemIndex at which the message will be sent, in milliseconds, or TIME_END_OF_SOURCE to deliver the message at the end of the media item with index mediaItemIndex.

Returns
PlayerMessage!	This message.

Throws
androidx.media3.common.IllegalSeekPositionException	If the timeline returned by getTimeline is not empty and the provided media item index is not within the bounds of the timeline.
java.lang.IllegalStateException	If send has already been called.

Public properties

deleteAfterDelivery

var deleteAfterDelivery: Boolean

isCanceled

val isCanceled: Boolean

looper

var looper: Looper!

mediaItemIndex

val mediaItemIndex: Int

payload

var payload: Any?

positionMs

val positionMs: Long

target

val target: PlayerMessage.Target!

timeline

val timeline: Timeline!

type

var type: Int