MediaController2

Kotlin |Java

open class MediaController2 : AutoCloseable

kotlin.Any
↳	android.media.MediaController2

This API is not generally intended for third party application developers. Use the AndroidX Media2 session Library for consistent behavior across all devices. Allows an app to interact with an active MediaSession2 or a MediaSession2Service which would provide MediaSession2. Media buttons and other commands can be sent to the session.

Summary

Nested classes
	`Builder` This API is not generally intended for third party application developers.
abstract	`ControllerCallback` This API is not generally intended for third party application developers.

Public methods
open Unit	`cancelSessionCommand(token: Any)` Cancels the session command previously sent.
open Unit	`close()`
open Session2Token?	`getConnectedToken()` Returns `Session2Token` of the connected session.
open Boolean	`isPlaybackActive()` Returns whether the session's playback is active.
open Any	`sendSessionCommand(command: Session2Command, args: Bundle?)` Sends a session command to the session

Public methods

cancelSessionCommand

Added in API level 29

open fun cancelSessionCommand(token: Any): Unit

Cancels the session command previously sent.

Parameters
`token`	Any: the token which is returned from `sendSessionCommand`. This value cannot be `null`.

close

Added in API level 29

open fun close(): Unit

Exceptions
`java.lang.Exception`	if this resource cannot be closed

getConnectedToken

Added in API level 29

open fun getConnectedToken(): Session2Token?

Returns Session2Token of the connected session. If it is not connected yet, it returns null.

This may differ with the Session2Token from the constructor. For example, if the controller is created with the token for MediaSession2Service, this would return token for the MediaSession2 in the service.

Return
`Session2Token?`	Session2Token of the connected session, or `null` if not connected

isPlaybackActive

Added in API level 29

open fun isPlaybackActive(): Boolean

Returns whether the session's playback is active.

Return
`Boolean`	`true` if playback active. `false` otherwise.

See Also

android.media.MediaController2.ControllerCallback#onPlaybackActiveChanged(MediaController2, boolean)

sendSessionCommand

Added in API level 29

open fun sendSessionCommand(
    command: Session2Command, 
    args: Bundle?
): Any

Sends a session command to the session

Parameters
`command`	Session2Command: the session command This value cannot be `null`.
`args`	Bundle?: optional arguments This value may be `null`.

Return
`Any`	a token which will be sent together in `ControllerCallback#onCommandResult` when its result is received. This value cannot be `null`.