# PlayerAdapter added in[version 26.1.0](https://developer.android.com/topic/libraries/support-library/revisions) belongs to Maven artifact com.android.support:leanback-v17:28.0.0-alpha1 Summary:[Nested Classes](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#nestedclasses)\|[Ctors](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#pubctors)\|[Methods](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#pubmethods)\|[Inherited Methods](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#inhmethods)\|[\[Expand All\]](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#) # PlayerAdapter | This package is part of the Android[support library](https://developer.android.com/topic/libraries/support-library)which is no longer maintained. The support library has been superseded by[AndroidX](https://developer.android.com/jetpack/androidx)which is part of[Jetpack](https://developer.android.com/jetpack). We recommend using the AndroidX libraries in all new projects. You should also consider[migrating](https://developer.android.com/jetpack/androidx/migrate)existing projects to AndroidX. To find the AndroidX class that maps to this deprecated class, see the AndroidX support library[class mappings](https://developer.android.com/jetpack/androidx/migrate/class-mappings). ` public abstract class PlayerAdapter ` ` extends Object `` ` |---|--------------------------------------------------| | java.lang.Object || | ↳ | android.support.v17.leanback.media.PlayerAdapter | |-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [![](https://developer.android.com/static/assets/images/styles/disclosure_down.png)](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#)Known Direct Subclasses [MediaControllerAdapter](https://developer.android.com/reference/android/support/v17/leanback/media/MediaControllerAdapter),[MediaPlayerAdapter](https://developer.android.com/reference/android/support/v17/leanback/media/MediaPlayerAdapter) |-----------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [MediaControllerAdapter](https://developer.android.com/reference/android/support/v17/leanback/media/MediaControllerAdapter) | A helper class for implementing a adapter layer for[MediaControllerCompat](https://developer.android.com/reference/android/support/v4/media/session/MediaControllerCompat). | | [MediaPlayerAdapter](https://developer.android.com/reference/android/support/v17/leanback/media/MediaPlayerAdapter) | This implementation extends the[PlayerAdapter](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter)with a[MediaPlayer](https://developer.android.com/reference/android/media/MediaPlayer.html). | |
*** ** * ** *** Base class that wraps underlying media player. The class is used by PlaybackGlue, for example[PlaybackTransportControlGlue](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackTransportControlGlue)is bound to a PlayerAdapter. This class is intended to be subclassed,[MediaPlayerAdapter](https://developer.android.com/reference/android/support/v17/leanback/media/MediaPlayerAdapter)is a concrete subclass using[MediaPlayer](https://developer.android.com/reference/android/media/MediaPlayer.html). ## Summary | ### Nested classes || |----------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------| | ` class` | [PlayerAdapter.Callback](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter.Callback) Client for client of PlayerAdapter. | | ### Public constructors || |-----------------------------------------------------------------------------------------------------------------------------------|---| | ` `[PlayerAdapter](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#PlayerAdapter())`() ` | | ### Public methods || |--------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ` void` | ` `[fastForward](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#fastForward())`() ` Optional method. | | ` long` | ` `[getBufferedPosition](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#getBufferedPosition())`() ` Returns the current buffered position of the media item in milliseconds. | | ` final `[PlayerAdapter.Callback](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter.Callback) | ` `[getCallback](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#getCallback())`() ` Gets callback for event of PlayerAdapter. | | ` long` | ` `[getCurrentPosition](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#getCurrentPosition())`() ` Returns the current position of the media item in milliseconds. | | ` long` | ` `[getDuration](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#getDuration())`() ` Returns the duration of the media item in milliseconds. | | ` long` | ` `[getSupportedActions](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#getSupportedActions())`() ` Return xor combination of values defined in PlaybackBaseControlGlue. | | ` boolean` | ` `[isPlaying](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#isPlaying())`() ` Returns true if media is currently playing. | | ` boolean` | ` `[isPrepared](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#isPrepared())`() ` | | ` void` | ` `[next](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#next())`() ` Optional method. | | ` void` | ` `[onAttachedToHost](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#onAttachedToHost(android.support.v17.leanback.media.PlaybackGlueHost))`(`[PlaybackGlueHost](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackGlueHost)` host) ` This method is called attached to associated[PlaybackGlueHost](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackGlueHost). | | ` void` | ` `[onDetachedFromHost](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#onDetachedFromHost())`() ` This method is called when current associated[PlaybackGlueHost](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackGlueHost)is attached to a different[PlaybackGlue](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackGlue)or[PlaybackGlueHost](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackGlueHost)is destroyed. | | ` abstract void` | ` `[pause](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#pause())`() ` Pauses the media player. | | ` abstract void` | ` `[play](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#play())`() ` Starts the media player. | | ` void` | ` `[previous](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#previous())`() ` Optional method. | | ` void` | ` `[rewind](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#rewind())`() ` Optional method. | | ` void` | ` `[seekTo](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#seekTo(long))`(long positionInMs) ` Seek to new position. | | ` final void` | ` `[setCallback](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#setCallback(android.support.v17.leanback.media.PlayerAdapter.Callback))`(`[PlayerAdapter.Callback](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter.Callback)` callback) ` Sets callback for event of PlayerAdapter. | | ` void` | ` `[setProgressUpdatingEnabled](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#setProgressUpdatingEnabled(boolean))`(boolean enable) ` Implement this method to enable or disable progress updating. | | ` void` | ` `[setRepeatAction](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#setRepeatAction(int))`(int repeatActionIndex) ` Optional method. | | ` void` | ` `[setShuffleAction](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#setShuffleAction(int))`(int shuffleActionIndex) ` Optional method. | | ### Inherited methods | |-----------------------|---| | [![](https://developer.android.com/static/assets/images/styles/disclosure_down.png)](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#)From class` java.lang.Object ` |-------------------|-------------------------------| | ` Object` | ` clone() ` | | ` boolean` | ` equals(Object arg0) ` | | ` void` | ` finalize() ` | | ` final Class` | ` getClass() ` | | ` int` | ` hashCode() ` | | ` final void` | ` notify() ` | | ` final void` | ` notifyAll() ` | | ` String` | ` toString() ` | | ` final void` | ` wait(long arg0, int arg1) ` | | ` final void` | ` wait(long arg0) ` | | ` final void` | ` wait() ` | || ## Public constructors ### PlayerAdapter added in[version 26.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` PlayerAdapter () ```

## Public methods ### fastForward added in[version 27.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void fastForward () ``` Optional method. Override this method if[getSupportedActions()](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#getSupportedActions())include[ACTION_FAST_FORWARD](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackBaseControlGlue#ACTION_FAST_FORWARD)to fast forward current media item.
### getBufferedPosition added in[version 26.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` long getBufferedPosition () ``` Returns the current buffered position of the media item in milliseconds.
| Returns || |--------|--------| | `long` |
| ### getCallback added in[version 26.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` PlayerAdapter.Callback getCallback () ``` Gets callback for event of PlayerAdapter.
| Returns || |-----------------------------------------------------------------------------------------------------------------------------|-------------------------------------------| | [PlayerAdapter.Callback](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter.Callback) | Client for event of PlayerAdapter.
| ### getCurrentPosition added in[version 26.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` long getCurrentPosition () ``` Returns the current position of the media item in milliseconds.
| Returns || |--------|--------| | `long` |
| ### getDuration added in[version 26.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` long getDuration () ``` Returns the duration of the media item in milliseconds.
| Returns || |--------|--------| | `long` |
| ### getSupportedActions added in[version 27.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` long getSupportedActions () ``` Return xor combination of values defined in PlaybackBaseControlGlue. Default is PLAY_PAUSE (unless subclass enforce to be 0)
| Returns || |--------|--------| | `long` |
| ### isPlaying added in[version 26.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` boolean isPlaying () ``` Returns true if media is currently playing.
| Returns || |-----------|--------| | `boolean` |
| ### isPrepared added in[version 26.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` boolean isPrepared () ```

| Returns || |-----------|--------------------------------------------------------------| | `boolean` | True if media is ready for playback, false otherwise.
| ### next added in[version 27.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void next () ``` Optional method. Override this method if[getSupportedActions()](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#getSupportedActions())include[ACTION_SKIP_TO_NEXT](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackBaseControlGlue#ACTION_SKIP_TO_NEXT)to skip to next item.
### onAttachedToHost added in[version 26.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void onAttachedToHost (PlaybackGlueHost host) ``` This method is called attached to associated[PlaybackGlueHost](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackGlueHost).
### onDetachedFromHost added in[version 26.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void onDetachedFromHost () ``` This method is called when current associated[PlaybackGlueHost](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackGlueHost)is attached to a different[PlaybackGlue](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackGlue)or[PlaybackGlueHost](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackGlueHost)is destroyed. Subclass may override. A typical implementation will release resources (e.g. MediaPlayer or connection to playback service) in this method.
### pause added in[version 26.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void pause () ``` Pauses the media player.
### play added in[version 26.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void play () ``` Starts the media player.
### previous added in[version 27.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void previous () ``` Optional method. Override this method if[getSupportedActions()](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#getSupportedActions())include[ACTION_SKIP_TO_PREVIOUS](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackBaseControlGlue#ACTION_SKIP_TO_PREVIOUS)to skip to previous item.
### rewind added in[version 27.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void rewind () ``` Optional method. Override this method if[getSupportedActions()](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#getSupportedActions())include[ACTION_REWIND](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackBaseControlGlue#ACTION_REWIND)to rewind in current media item.
### seekTo added in[version 26.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void seekTo (long positionInMs) ``` Seek to new position.
| Parameters || |----------------|----------------------------------------------| | `positionInMs` | `long`: New position in milliseconds.
| ### setCallback added in[version 26.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void setCallback (PlayerAdapter.Callback callback) ``` Sets callback for event of PlayerAdapter.
| Parameters || |------------|---------------------------------------------------------------------| | `callback` | `PlayerAdapter.Callback`: Client for event of PlayerAdapter.
| ### setProgressUpdatingEnabled added in[version 26.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void setProgressUpdatingEnabled (boolean enable) ``` Implement this method to enable or disable progress updating.
| Parameters || |----------|----------------------------------------------------------------------| | `enable` | `boolean`: True to enable progress updating, false otherwise.
| ### setRepeatAction added in[version 27.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void setRepeatAction (int repeatActionIndex) ``` Optional method. Override this method if[getSupportedActions()](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#getSupportedActions())include[ACTION_REPEAT](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackBaseControlGlue#ACTION_REPEAT)to set the repeat action.
| Parameters || |---------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | `repeatActionIndex` | `int`: The shuffle action. Must be one of the followings:[INDEX_ONE](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow.RepeatAction#INDEX_ONE)[INDEX_ALL](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow.RepeatAction#INDEX_ALL),[INDEX_NONE](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow.RepeatAction#INDEX_NONE),
| ### setShuffleAction added in[version 27.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` void setShuffleAction (int shuffleActionIndex) ``` Optional method. Override this method if[getSupportedActions()](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter#getSupportedActions())include[ACTION_SHUFFLE](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackBaseControlGlue#ACTION_SHUFFLE)to set the shuffle action.
| Parameters || |----------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | `shuffleActionIndex` | `int`: The repeat action. Must be one of the followings:[INDEX_OFF](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow.ShuffleAction#INDEX_OFF)[INDEX_ON](https://developer.android.com/reference/android/support/v17/leanback/widget/PlaybackControlsRow.ShuffleAction#INDEX_ON)
| - ## Interfaces - [SurfaceHolderGlueHost](https://developer.android.com/reference/android/support/v17/leanback/media/SurfaceHolderGlueHost) - ## Classes - [MediaControllerAdapter](https://developer.android.com/reference/android/support/v17/leanback/media/MediaControllerAdapter) - [MediaControllerGlue](https://developer.android.com/reference/android/support/v17/leanback/media/MediaControllerGlue) - [MediaPlayerAdapter](https://developer.android.com/reference/android/support/v17/leanback/media/MediaPlayerAdapter) - [PlaybackBannerControlGlue](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackBannerControlGlue) - [PlaybackBaseControlGlue](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackBaseControlGlue) - [PlaybackControlGlue](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackControlGlue) - [PlaybackGlue](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackGlue) - [PlaybackGlue.PlayerCallback](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackGlue.PlayerCallback) - [PlaybackGlueHost](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackGlueHost) - [PlaybackGlueHost.HostCallback](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackGlueHost.HostCallback) - [PlaybackGlueHost.PlayerCallback](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackGlueHost.PlayerCallback) - [PlaybackTransportControlGlue](https://developer.android.com/reference/android/support/v17/leanback/media/PlaybackTransportControlGlue) - [PlayerAdapter](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter) - [PlayerAdapter.Callback](https://developer.android.com/reference/android/support/v17/leanback/media/PlayerAdapter.Callback)