public
static
abstract
class
MediaController.Callback
extends Object
| java.lang.Object | |
| ↳ | android.media.session.MediaController.Callback |
Callback for receiving updates from the session. A Callback can be
registered using registerCallback(MediaController.Callback).
Public constructors | |
|---|---|
MediaController.Callback()
|
|
Public methods | |
|---|---|
void
|
onAudioInfoChanged(MediaController.PlaybackInfo info)
Override to handle changes to the audio info. |
void
|
onExtrasChanged(Bundle extras)
Override to handle changes to the |
void
|
onMetadataChanged(MediaMetadata metadata)
Override to handle changes to the current metadata. |
void
|
onPlaybackStateChanged(PlaybackState state)
Override to handle changes in playback state. |
void
|
onQueueChanged(List<MediaSession.QueueItem> queue)
Override to handle changes to items in the queue. |
void
|
onQueueTitleChanged(CharSequence title)
Override to handle changes to the queue title. |
void
|
onSessionDestroyed()
Override to handle the session being destroyed. |
void
|
onSessionEvent(String event, Bundle extras)
Override to handle custom events sent by the session owner without a specified interface. |
Inherited methods | |
|---|---|
 From
class
java.lang.Object
| |
void onAudioInfoChanged (MediaController.PlaybackInfo info)
Override to handle changes to the audio info.
| Parameters | |
|---|---|
info |
MediaController.PlaybackInfo:
The current audio info for this session.
|
void onExtrasChanged (Bundle extras)
Override to handle changes to the MediaSession extras.
| Parameters | |
|---|---|
extras |
Bundle:
The extras that can include other information associated with the
MediaSession.
|
void onMetadataChanged (MediaMetadata metadata)
Override to handle changes to the current metadata.
| Parameters | |
|---|---|
metadata |
MediaMetadata:
The current metadata for the session or null if none. |
See also:
void onPlaybackStateChanged (PlaybackState state)
Override to handle changes in playback state.
| Parameters | |
|---|---|
state |
PlaybackState:
The new playback state of the session
|
void onQueueChanged (List<MediaSession.QueueItem> queue)
Override to handle changes to items in the queue.
| Parameters | |
|---|---|
queue |
List:
A list of items in the current play queue. It should
include the currently playing item as well as previous and
upcoming items if applicable. |
See also:
void onQueueTitleChanged (CharSequence title)
Override to handle changes to the queue title.
| Parameters | |
|---|---|
title |
CharSequence:
The title that should be displayed along with the play queue such as
"Now Playing". May be null if there is no such title.
|
void onSessionDestroyed ()
Override to handle the session being destroyed. The session is no longer valid after this call and calls to it will be ignored.
void onSessionEvent (String event, Bundle extras)
Override to handle custom events sent by the session owner without a specified interface. Controllers should only handle these for sessions they own.
| Parameters | |
|---|---|
event |
String:
The event from the session. |
extras |
Bundle:
Optional parameters for the event, may be null.
|
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