MediaSession2

Kotlin |Java

open class MediaSession2 : AutoCloseable

kotlin.Any
↳	android.media.MediaSession2

This API is not generally intended for third party application developers. Use the AndroidX Media2 session Library for consistent behavior across all devices.

Allows a media app to expose its transport controls and playback information in a process to other processes including the Android framework and other apps.

Summary

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

Public methods
open Unit	`broadcastSessionCommand(command: Session2Command, args: Bundle?)` Broadcasts a session command to all the connected controllers
open Unit	`cancelSessionCommand(controller: MediaSession2.ControllerInfo, token: Any)` Cancels the session command previously sent.
open Unit	`close()`
open MutableList<MediaSession2.ControllerInfo!>	`getConnectedControllers()` Gets the list of the connected controllers
open String	`getId()` Returns the session ID
open Session2Token	`getToken()` Returns the `Session2Token` for creating `MediaController2`.
open Boolean	`isPlaybackActive()` Returns whether the playback is active (i.e. playing something)
open Any	`sendSessionCommand(controller: MediaSession2.ControllerInfo, command: Session2Command, args: Bundle?)` Sends a session command to a specific controller
open Unit	`setPlaybackActive(playbackActive: Boolean)` Sets whether the playback is active (i.e. playing something)

Public methods

broadcastSessionCommand

Added in API level 29

open fun broadcastSessionCommand(
    command: Session2Command, 
    args: Bundle?
): Unit

Broadcasts a session command to all the connected controllers

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

cancelSessionCommand

Added in API level 29

open fun cancelSessionCommand(
    controller: MediaSession2.ControllerInfo, 
    token: Any
): Unit

Cancels the session command previously sent.

Parameters
`controller`	MediaSession2.ControllerInfo: the controller to get the session command This value cannot be `null`.
`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

getConnectedControllers

Added in API level 29

open fun getConnectedControllers(): MutableList<MediaSession2.ControllerInfo!>

Gets the list of the connected controllers

Return
`MutableList<MediaSession2.ControllerInfo!>`	list of the connected controllers. This value cannot be `null`.

getId

Added in API level 29

open fun getId(): String

Returns the session ID

Return
`String`	This value cannot be `null`.

getToken

Added in API level 29

open fun getToken(): Session2Token

Returns the Session2Token for creating MediaController2.

Return
`Session2Token`	This value cannot be `null`.

isPlaybackActive

Added in API level 29

open fun isPlaybackActive(): Boolean

Returns whether the playback is active (i.e. playing something)

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

sendSessionCommand

Added in API level 29

open fun sendSessionCommand(
    controller: MediaSession2.ControllerInfo, 
    command: Session2Command, 
    args: Bundle?
): Any

Sends a session command to a specific controller

Parameters
`controller`	MediaSession2.ControllerInfo: the controller to get the session command This value cannot be `null`.
`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 `SessionCallback.onCommandResult` when its result is received. This value cannot be `null`.

setPlaybackActive

Added in API level 29

open fun setPlaybackActive(playbackActive: Boolean): Unit

Sets whether the playback is active (i.e. playing something)

Parameters
`playbackActive`	Boolean: `true` if the playback active, `false` otherwise.