Added in API level 14
Deprecated in API level 21

RemoteControlClient

open class RemoteControlClient
kotlin.Any
   ↳ android.media.RemoteControlClient

RemoteControlClient enables exposing information meant to be consumed by remote controls capable of displaying metadata, artwork and media transport control buttons.

A remote control client object is associated with a media button event receiver. This event receiver must have been previously registered with AudioManager.registerMediaButtonEventReceiver(ComponentName) before the RemoteControlClient can be registered through AudioManager.registerRemoteControlClient(RemoteControlClient).

Here is an example of creating a RemoteControlClient instance after registering a media button event receiver: 

ComponentName myEventReceiver = new ComponentName(getPackageName(), MyRemoteControlEventReceiver.class.getName());
  AudioManager myAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
  myAudioManager.registerMediaButtonEventReceiver(myEventReceiver);
  // build the PendingIntent for the remote control client
  Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON);
  mediaButtonIntent.setComponent(myEventReceiver);
  PendingIntent mediaPendingIntent = PendingIntent.getBroadcast(getApplicationContext(), 0, mediaButtonIntent, PendingIntent.FLAG_MUTABLE_UNAUDITED);
  // create and register the remote control client
  RemoteControlClient myRemoteControlClient = new RemoteControlClient(mediaPendingIntent);
  myAudioManager.registerRemoteControlClient(myRemoteControlClient);

Summary

Nested classes
open

Class used to modify metadata in a RemoteControlClient object.
abstract

Interface definition for a callback to be invoked when the media playback position is queried.
abstract

Interface definition for a callback to be invoked when one of the metadata values has been updated.
abstract

Interface definition for a callback to be invoked when the media playback position is requested to be updated.
Constants
static Int

Flag indicating a RemoteControlClient makes use of the "fast forward" media key.
static Int

Flag indicating a RemoteControlClient makes use of the "next" media key.
static Int

Flag indicating a RemoteControlClient makes use of the "pause" media key.
static Int

Flag indicating a RemoteControlClient makes use of the "play" media key.
static Int

Flag indicating a RemoteControlClient makes use of the "play/pause" media key.
static Int

Flag indicating a RemoteControlClient can receive changes in the media playback position through the OnPlaybackPositionUpdateListener interface.
static Int

Flag indicating a RemoteControlClient makes use of the "previous" media key.
static Int

Flag indicating a RemoteControlClient supports ratings.
static Int

Flag indicating a RemoteControlClient makes use of the "rewind" media key.
static Int

Flag indicating a RemoteControlClient makes use of the "stop" media key.
static Int

Playback state of a RemoteControlClient which is buffering data to play before it can start or resume playback.
static Int

Playback state of a RemoteControlClient which cannot perform any playback related operation because of an internal error.
static Int

Playback state of a RemoteControlClient which is fast forwarding in the media it is currently playing.
static Int

Playback state of a RemoteControlClient which is paused.
static Int

Playback state of a RemoteControlClient which is playing media.
static Int

Playback state of a RemoteControlClient which is fast rewinding in the media it is currently playing.
static Int

Playback state of a RemoteControlClient which is skipping back to the previous logical chapter (such as a song in a playlist) in the media it is currently playing.
static Int

Playback state of a RemoteControlClient which is skipping to the next logical chapter (such as a song in a playlist) in the media it is currently playing.
static Int

Playback state of a RemoteControlClient which is stopped.
Public constructors
RemoteControlClient(mediaButtonIntent: PendingIntent!)

Class constructor.
RemoteControlClient(mediaButtonIntent: PendingIntent!, looper: Looper!)

Class constructor for a remote control client whose internal event handling happens on a user-provided Looper.
Public methods
open RemoteControlClient.MetadataEditor!
editMetadata(startEmpty: Boolean)

Creates a MetadataEditor.
open MediaSession!

Get a MediaSession associated with this RCC.
open Unit

Sets the listener to be called whenever the metadata is updated.
open Unit

Sets the listener to be called whenever the media current playback position is needed.
open Unit

Sets the listener to be called whenever the media playback position is requested to be updated.
open Unit

Sets the current playback state.
open Unit
setPlaybackState(state: Int, timeInMs: Long, playbackSpeed: Float)

Sets the current playback state and the matching media position for the current playback speed.
open Unit
setTransportControlFlags(transportControlFlags: Int)

Sets the flags for the media transport control buttons that this client supports.

Constants

FLAG_KEY_MEDIA_FAST_FORWARD

Added in API level 14
static val FLAG_KEY_MEDIA_FAST_FORWARD: Int

Deprecated: Deprecated in Java.

Flag indicating a RemoteControlClient makes use of the "fast forward" media key.

Value: 64

FLAG_KEY_MEDIA_NEXT

Added in API level 14
static val FLAG_KEY_MEDIA_NEXT: Int

Deprecated: Deprecated in Java.

Flag indicating a RemoteControlClient makes use of the "next" media key.

Value: 128

FLAG_KEY_MEDIA_PAUSE

Added in API level 14
static val FLAG_KEY_MEDIA_PAUSE: Int

Deprecated: Deprecated in Java.

Flag indicating a RemoteControlClient makes use of the "pause" media key.

Value: 16

FLAG_KEY_MEDIA_PLAY

Added in API level 14
static val FLAG_KEY_MEDIA_PLAY: Int

Deprecated: Deprecated in Java.

Flag indicating a RemoteControlClient makes use of the "play" media key.

Value: 4

FLAG_KEY_MEDIA_PLAY_PAUSE

Added in API level 14
static val FLAG_KEY_MEDIA_PLAY_PAUSE: Int

Deprecated: Deprecated in Java.

Flag indicating a RemoteControlClient makes use of the "play/pause" media key.

Value: 8

FLAG_KEY_MEDIA_POSITION_UPDATE

Added in API level 18
Deprecated in API level 21
static val FLAG_KEY_MEDIA_POSITION_UPDATE: Int

Deprecated: Deprecated in Java.

Flag indicating a RemoteControlClient can receive changes in the media playback position through the OnPlaybackPositionUpdateListener interface. This flag must be set in order for components that display the RemoteControlClient information, to display and let the user control media playback position.

Value: 256

FLAG_KEY_MEDIA_PREVIOUS

Added in API level 14
static val FLAG_KEY_MEDIA_PREVIOUS: Int

Deprecated: Deprecated in Java.

Flag indicating a RemoteControlClient makes use of the "previous" media key.

Value: 1

FLAG_KEY_MEDIA_RATING

Added in API level 19
Deprecated in API level 21
static val FLAG_KEY_MEDIA_RATING: Int

Deprecated: Deprecated in Java.

Flag indicating a RemoteControlClient supports ratings. This flag must be set in order for components that display the RemoteControlClient information, to display ratings information, and, if ratings are declared editable (by calling MediaMetadataEditor.addEditableKey(int) with the MediaMetadataEditor.RATING_KEY_BY_USER key), it will enable the user to rate the media, with values being received through the interface set with setMetadataUpdateListener(android.media.RemoteControlClient.OnMetadataUpdateListener).

Value: 512

FLAG_KEY_MEDIA_REWIND

Added in API level 14
static val FLAG_KEY_MEDIA_REWIND: Int

Deprecated: Deprecated in Java.

Flag indicating a RemoteControlClient makes use of the "rewind" media key.

Value: 2

FLAG_KEY_MEDIA_STOP

Added in API level 14
static val FLAG_KEY_MEDIA_STOP: Int

Deprecated: Deprecated in Java.

Flag indicating a RemoteControlClient makes use of the "stop" media key.

Value: 32

PLAYSTATE_BUFFERING

Added in API level 14
static val PLAYSTATE_BUFFERING: Int

Deprecated: Deprecated in Java.

Playback state of a RemoteControlClient which is buffering data to play before it can start or resume playback.

Value: 8

PLAYSTATE_ERROR

Added in API level 14
static val PLAYSTATE_ERROR: Int

Deprecated: Deprecated in Java.

Playback state of a RemoteControlClient which cannot perform any playback related operation because of an internal error. Examples of such situations are no network connectivity when attempting to stream data from a server, or expired user credentials when trying to play subscription-based content.

Value: 9

PLAYSTATE_FAST_FORWARDING

Added in API level 14
static val PLAYSTATE_FAST_FORWARDING: Int

Deprecated: Deprecated in Java.

Playback state of a RemoteControlClient which is fast forwarding in the media it is currently playing.

Value: 4

PLAYSTATE_PAUSED

Added in API level 14
static val PLAYSTATE_PAUSED: Int

Deprecated: Deprecated in Java.

Playback state of a RemoteControlClient which is paused.

Value: 2

PLAYSTATE_PLAYING

Added in API level 14
static val PLAYSTATE_PLAYING: Int

Deprecated: Deprecated in Java.

Playback state of a RemoteControlClient which is playing media.

Value: 3

PLAYSTATE_REWINDING

Added in API level 14
static val PLAYSTATE_REWINDING: Int

Deprecated: Deprecated in Java.

Playback state of a RemoteControlClient which is fast rewinding in the media it is currently playing.

Value: 5

PLAYSTATE_SKIPPING_BACKWARDS

Added in API level 14
static val PLAYSTATE_SKIPPING_BACKWARDS: Int

Deprecated: Deprecated in Java.

Playback state of a RemoteControlClient which is skipping back to the previous logical chapter (such as a song in a playlist) in the media it is currently playing.

Value: 7

PLAYSTATE_SKIPPING_FORWARDS

Added in API level 14
static val PLAYSTATE_SKIPPING_FORWARDS: Int

Deprecated: Deprecated in Java.

Playback state of a RemoteControlClient which is skipping to the next logical chapter (such as a song in a playlist) in the media it is currently playing.

Value: 6

PLAYSTATE_STOPPED

Added in API level 14
static val PLAYSTATE_STOPPED: Int

Deprecated: Deprecated in Java.

Playback state of a RemoteControlClient which is stopped.

Value: 1

Public constructors

RemoteControlClient

Added in API level 14
RemoteControlClient(mediaButtonIntent: PendingIntent!)

Class constructor.

Parameters
mediaButtonIntent PendingIntent!: The intent that will be sent for the media button events sent by remote controls. This intent needs to have been constructed with the Intent.ACTION_MEDIA_BUTTON action, and have a component that will handle the intent (set with Intent.setComponent(ComponentName)) registered with AudioManager.registerMediaButtonEventReceiver(ComponentName) before this new RemoteControlClient can itself be registered with AudioManager.registerRemoteControlClient(RemoteControlClient).

RemoteControlClient

Added in API level 14
RemoteControlClient(
    mediaButtonIntent: PendingIntent!, 
    looper: Looper!)

Class constructor for a remote control client whose internal event handling happens on a user-provided Looper.

Parameters
mediaButtonIntent PendingIntent!: The intent that will be sent for the media button events sent by remote controls. This intent needs to have been constructed with the Intent.ACTION_MEDIA_BUTTON action, and have a component that will handle the intent (set with Intent.setComponent(ComponentName)) registered with AudioManager.registerMediaButtonEventReceiver(ComponentName) before this new RemoteControlClient can itself be registered with AudioManager.registerRemoteControlClient(RemoteControlClient).
looper Looper!: The Looper running the event loop.

Public methods

editMetadata

Added in API level 14
open fun editMetadata(startEmpty: Boolean): RemoteControlClient.MetadataEditor!

Deprecated: Deprecated in Java.

Creates a MetadataEditor.

Parameters
startEmpty Boolean: Set to false if you want the MetadataEditor to contain the metadata that was previously applied to the RemoteControlClient, or true if it is to be created empty.
Return
RemoteControlClient.MetadataEditor! a new MetadataEditor instance.

getMediaSession

Added in API level 21
Deprecated in API level 21
open fun getMediaSession(): MediaSession!

Deprecated: Deprecated in Java.

Get a MediaSession associated with this RCC. It will only have a session while it is registered with AudioManager.registerRemoteControlClient. The session returned should not be modified directly by the application but may be used with other APIs that require a session.

Return
MediaSession! A media session object or null.

setMetadataUpdateListener

Added in API level 19
Deprecated in API level 21
open fun setMetadataUpdateListener(l: RemoteControlClient.OnMetadataUpdateListener!): Unit

Deprecated: Deprecated in Java.

Sets the listener to be called whenever the metadata is updated. New metadata values will be received in the same thread as the one in which RemoteControlClient was created.

Parameters
l RemoteControlClient.OnMetadataUpdateListener!: the metadata update listener

setOnGetPlaybackPositionListener

Added in API level 18
Deprecated in API level 21
open fun setOnGetPlaybackPositionListener(l: RemoteControlClient.OnGetPlaybackPositionListener!): Unit

Deprecated: Deprecated in Java.

Sets the listener to be called whenever the media current playback position is needed. Queries will be received in the same thread as the one in which RemoteControlClient was created.

Parameters
l RemoteControlClient.OnGetPlaybackPositionListener!: the listener to be called to retrieve the playback position

setPlaybackPositionUpdateListener

Added in API level 18
Deprecated in API level 21
open fun setPlaybackPositionUpdateListener(l: RemoteControlClient.OnPlaybackPositionUpdateListener!): Unit

Deprecated: Deprecated in Java.

Sets the listener to be called whenever the media playback position is requested to be updated. Notifications will be received in the same thread as the one in which RemoteControlClient was created.

Parameters
l RemoteControlClient.OnPlaybackPositionUpdateListener!: the position update listener to be called

setPlaybackState

Added in API level 14
open fun setPlaybackState(state: Int): Unit

Deprecated: Deprecated in Java.

Sets the current playback state.

Parameters
state Int: The current playback state, one of the following values: PLAYSTATE_STOPPED, PLAYSTATE_PAUSED, PLAYSTATE_PLAYING, PLAYSTATE_FAST_FORWARDING, PLAYSTATE_REWINDING, PLAYSTATE_SKIPPING_FORWARDS, PLAYSTATE_SKIPPING_BACKWARDS, PLAYSTATE_BUFFERING, PLAYSTATE_ERROR.

setPlaybackState

Added in API level 18
Deprecated in API level 21
open fun setPlaybackState(
    state: Int, 
    timeInMs: Long, 
    playbackSpeed: Float
): Unit

Deprecated: Deprecated in Java.

Sets the current playback state and the matching media position for the current playback speed.

Parameters
state Int: The current playback state, one of the following values: PLAYSTATE_STOPPED, PLAYSTATE_PAUSED, PLAYSTATE_PLAYING, PLAYSTATE_FAST_FORWARDING, PLAYSTATE_REWINDING, PLAYSTATE_SKIPPING_FORWARDS, PLAYSTATE_SKIPPING_BACKWARDS, PLAYSTATE_BUFFERING, PLAYSTATE_ERROR.
timeInMs Long: a 0 or positive value for the current media position expressed in ms (same unit as for when sending the media duration, if applicable, with android.media.MediaMetadataRetriever#METADATA_KEY_DURATION in the RemoteControlClient.MetadataEditor). Negative values imply that position is not known (e.g. listening to a live stream of a radio) or not applicable (e.g. when state is PLAYSTATE_BUFFERING and nothing had played yet).
playbackSpeed Float: a value expressed as a ratio of 1x playback: 1.0f is normal playback, 2.0f is 2x, 0.5f is half-speed, -2.0f is rewind at 2x speed. 0.0f means nothing is playing (e.g. when state is PLAYSTATE_ERROR).

setTransportControlFlags

Added in API level 14
open fun setTransportControlFlags(transportControlFlags: Int): Unit

Deprecated: Deprecated in Java.

Sets the flags for the media transport control buttons that this client supports.

Parameters
transportControlFlags Int: A combination of the following flags: FLAG_KEY_MEDIA_PREVIOUS, FLAG_KEY_MEDIA_REWIND, FLAG_KEY_MEDIA_PLAY, FLAG_KEY_MEDIA_PLAY_PAUSE, FLAG_KEY_MEDIA_PAUSE, FLAG_KEY_MEDIA_STOP, FLAG_KEY_MEDIA_FAST_FORWARD, FLAG_KEY_MEDIA_NEXT, FLAG_KEY_MEDIA_POSITION_UPDATE, FLAG_KEY_MEDIA_RATING.