程序包 ohos.media.tubecore

接口 AVTubeManager.TubeObserver

封闭类:

AVTubeManager

public static interface AVTubeManager.TubeObserver

Provides callbacks to listen for media tube changes. For example, a media tube is added, deleted, or changed, or its working state changes.

从以下版本开始:

5

另请参阅:

AVTubeManager.addTubeObserver(TubeObserver, int, int), AVTubeManager.removeTubeObserver(TubeObserver)

方法概要

限定符和类型	方法	说明
void	onTubeDelete(AVTubeManager tubeManager, AVTube tube)	Called when an AVTube instance is deleted from this AVTubeManager.
void	onTubeEnterWorkingState(AVTubeManager tubeManager, AVTube tube, int usageScenes)	Called when a media tube enters the working state.
void	onTubeExitWorkingState(AVTubeManager tubeManager, AVTube tube, int usageScenes)	Called when a media tube exits the working state.
void	onTubeInsert(AVTubeManager tubeManager, AVTube tube)	Called when a new AVTube instance is added to this AVTubeManager.
void	onTubeUpdate(AVTubeManager tubeManager, AVTube tube)	Called when an attribute of a specified AVTube instance is changed.

方法详细资料

onTubeEnterWorkingState

void onTubeEnterWorkingState(AVTubeManager tubeManager,
                             AVTube tube,
                             int usageScenes)

Called when a media tube enters the working state.

This callback is invoked after the AVTubeManager#useTube(AVTube, int) method is called and the specified AVTube instance enters the working state.

参数:

tubeManager - Indicates this AVTubeManager.

tube - Indicates the AVTube instance in use.

usageScenes - Indicates the scenes for which the AVTube instance is used.

从以下版本开始:

5

另请参阅:

AVTubeManager.useTube(AVTube, int)

onTubeExitWorkingState

void onTubeExitWorkingState(AVTubeManager tubeManager,
                            AVTube tube,
                            int usageScenes)

Called when a media tube exits the working state.

This callback is invoked after the AVTubeManager#useTube(AVTube, int) method is called and the specified AVTube instance exits the working state.

参数:

tubeManager - Indicates this AVTubeManager.

tube - Indicates the AVTube instance that exits the working state.

usageScenes - Indicates the scenes for which the AVTube instance is used.

从以下版本开始:

5

另请参阅:

AVTubeManager.useTube(AVTube, int)

onTubeInsert

void onTubeInsert(AVTubeManager tubeManager,
                  AVTube tube)

Called when a new AVTube instance is added to this AVTubeManager.

This callback is invoked after the AVTubeManager#insertAVTubeEx(AVTubeEx) method is called.

参数:

tubeManager - Indicates this AVTubeManager.

tube - Indicates the added AVTube instance.

从以下版本开始:

5

另请参阅:

AVTubeManager.insertAVTubeEx(AVTubeEx)

onTubeDelete

void onTubeDelete(AVTubeManager tubeManager,
                  AVTube tube)

Called when an AVTube instance is deleted from this AVTubeManager.

This callback is invoked after the AVTubeManager#deleteAVTubeEx(AVTubeEx) method is called.

参数:

tubeManager - Indicates this AVTubeManager.

tube - Indicates the deleted AVTube instance.

从以下版本开始:

5

另请参阅:

AVTubeManager.deleteAVTubeEx(AVTubeEx)

onTubeUpdate

void onTubeUpdate(AVTubeManager tubeManager,
                  AVTube tube)

Called when an attribute of a specified AVTube instance is changed.

This callback is invoked after a media tube attribute, such as the name, label, or description, is set.

参数:

tubeManager - Indicates this AVTubeManager.

tube - Indicates the AVTube instance whose attribute is changed.

从以下版本开始:

5

另请参阅:

AVTube.setLabel(Object), AVTubeEx.setTubeName(int), AVTubeEx.setTubeName(String), AVTubeEx.setDetails(String)