程序包 ohos.media.sessioncore

类 AVController.PlayControls

java.lang.Object

ohos.media.sessioncore.AVController.PlayControls

封闭类:

AVController

public final class AVController.PlayControls
extends Object

An inner class of AVController to send media playback requests to the AVSession and allow your application to send commands to the media session.

从以下版本开始:

3

方法概要

限定符和类型	方法	说明
void	pause()	Sends a request to pause the current playback.
void	play()	Sends a request to start playback.
void	playByMediaId(String mediaId, PacMap options)	Sends a request to play a media item specified by its ID.
void	playBySearch(String query, PacMap options)	Sends a request to play the media item specified by search criteria.
void	playByUri(Uri uri, PacMap options)	Sends a request to play a media item specified by its URI.
void	playFastForward()	Sends a request to fast forward the media item.
void	playNext()	Sends a request to play the next media item.
void	playPrevious()	Sends a request to play the previous media item.
void	prepareToPlay()	Sends a playback preparation request.
void	prepareToPlayByMediaId(String mediaId, PacMap options)	Sends a request to prepare for playing a media item specified by its ID.
void	prepareToPlayBySearch(String query, PacMap options)	Sends a request to prepare for playing a media item specified by search criteria.
void	prepareToPlayByUri(Uri uri, PacMap options)	Sends a request to prepare for playing a media item specified by its URI.
void	rewind()	Sends a request to rewind the media item.
void	seekTo(long pos)	Sends a request to skip to a specified position.
void	sendAVPlaybackCustomAction(String action, PacMap args)	Sends a request to customize a command.
void	sendAVPlaybackCustomAction(AVPlaybackState.AVPlaybackCustomAction avCustomAction, PacMap args)	Sends a request to customize a playback action.
void	setAVPlaybackSpeed(float speed)	Sends a request to change the playback speed.
void	skipToAVQueueItem(long id)	Sends a request to skip to and play a media item specified by its ID.
void	stop()	Sends a request to stop the current playback.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

方法详细资料

prepareToPlay

public void prepareToPlay()

Sends a playback preparation request.

从以下版本开始:

3

prepareToPlayByMediaId

public void prepareToPlayByMediaId(String mediaId,
                                   PacMap options)

Sends a request to prepare for playing a media item specified by its ID.

参数:

mediaId - Indicates the media item ID.

options - Indicates additional data about the media item.

从以下版本开始:

3

prepareToPlayBySearch

public void prepareToPlayBySearch(String query,
                                  PacMap options)

Sends a request to prepare for playing a media item specified by search criteria.

参数:

query - Indicates the search criteria. If this parameter is null, the application can prepare for any media item.

options - Indicates additional data to search for.

从以下版本开始:

3

prepareToPlayByUri

public void prepareToPlayByUri(Uri uri,
                               PacMap options)

Sends a request to prepare for playing a media item specified by its URI.

参数:

uri - Indicates the media item URI.

options - Indicates additional data about the media item.

从以下版本开始:

3

play

public void play()

Sends a request to start playback.

从以下版本开始:

3

playByMediaId

public void playByMediaId(String mediaId,
                          PacMap options)

Sends a request to play a media item specified by its ID.

参数:

mediaId - Indicates the media item ID.

options - Indicates additional data about the media item.

从以下版本开始:

3

playBySearch

public void playBySearch(String query,
                         PacMap options)

Sends a request to play the media item specified by search criteria.

参数:

query - Indicates the search criteria. If this parameter is null, the application can play any media item.

options - Indicates additional data to search for.

从以下版本开始:

3

playByUri

public void playByUri(Uri uri,
                      PacMap options)

Sends a request to play a media item specified by its URI.

参数:

uri - Indicates the media item URI.

options - Indicates additional data about the media item.

从以下版本开始:

3

skipToAVQueueItem

public void skipToAVQueueItem(long id)

Sends a request to skip to and play a media item specified by its ID.

参数:

id - Indicates the media item ID.

从以下版本开始:

3

pause

public void pause()

Sends a request to pause the current playback.

从以下版本开始:

3

stop

public void stop()

Sends a request to stop the current playback.

从以下版本开始:

3

seekTo

public void seekTo(long pos)

Sends a request to skip to a specified position.

参数:

pos - Indicates the playback position (milliseconds) to skip to.

从以下版本开始:

3

playFastForward

public void playFastForward()

Sends a request to fast forward the media item.

从以下版本开始:

3

playNext

public void playNext()

Sends a request to play the next media item.

从以下版本开始:

3

rewind

public void rewind()

Sends a request to rewind the media item.

从以下版本开始:

3

playPrevious

public void playPrevious()

Sends a request to play the previous media item.

从以下版本开始:

3

setAVPlaybackSpeed

public void setAVPlaybackSpeed(float speed)

Sends a request to change the playback speed.

参数:

speed - Indicates the target playback speed.

从以下版本开始:

3

sendAVPlaybackCustomAction

public void sendAVPlaybackCustomAction(AVPlaybackState.AVPlaybackCustomAction avCustomAction,
                                       PacMap args)

Sends a request to customize a playback action.

参数:

avCustomAction - Indicates the custom playback action.

args - Indicates parameters sent to the media browser service.

从以下版本开始:

3

sendAVPlaybackCustomAction

public void sendAVPlaybackCustomAction(String action,
                                       PacMap args)

Sends a request to customize a command.

参数:

action - Indicates the command name.

args - Indicates command parameters, which can be null.

从以下版本开始:

3