程序包 ohos.media.tubecore

类 AVTubeManager

java.lang.Object

ohos.media.tubecore.AVTubeManager

public class AVTubeManager
extends Object

Represents the media tube manager.

从以下版本开始:

5

SystemCapability

SystemCapability.Multimedia#MEDIA

嵌套类概要

嵌套类

限定符和类型	类	说明
static class	AVTubeManager.ObserverFlag	Provides flags for media tube observers.
static interface	AVTubeManager.TubeObserver	Provides callbacks to listen for media tube changes.

方法概要

限定符和类型	方法	说明
void	addTubeObserver(AVTubeManager.TubeObserver observer, int usageScenes, int flags)	Registers a tube observer with this AVTubeManager instance.
Optional<AVTubeEx>	createAVTubeEx(AVTube.SetInfo setInfo)	Creates an AVTubeEx instance of a specified type.
Optional<AVTube.SetInfo>	createTubeSet(int nameResId)	Creates a SetInfo instance for a media tube type with a specified resource ID of the type name.
Optional<AVTube.SetInfo>	createTubeSet(String name)	Creates a SetInfo instance for a media tube type.
AVTube	defaultTube()	Obtains the default AVTube instance.
void	deleteAVTubeEx(AVTubeEx avTubeEx)	Removes a specified AVTubeEx instance from this AVTubeManager instance.
static AVTubeManager	getInstance(Context context)	Obtains an AVTubeManager instance.
Optional<AVTube>	getTubeByIndex(int index)	Obtains the AVTube instance at a specified index.
void	insertAVTubeEx(AVTubeEx avTubeEx)	Inserts an AVTubeEx instance to this AVTubeManager instance.
void	removeTubeObserver(AVTubeManager.TubeObserver observer)	Removes a specified observer from this AVTubeManager instance.
Optional<AVTube>	tubeInUse(int usageScenes)	Obtains the AVTube instances that are being used in specific scenes.
int	tubeNumber()	Obtains the number of all AVTube instances.
void	useTube(AVTube tube, int usageScenes)	Sets an AVTube instance for specific scenes.

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

getInstance

public static AVTubeManager getInstance(Context context)

Obtains an AVTubeManager instance.

参数:

context - Indicates the application context. If the same context is passed, this method returns the same instance.

返回:

Returns the AVTubeManager instance.

抛出:

NullPointerException - Throws this exception if context is null.

从以下版本开始:

5

defaultTube

public AVTube defaultTube()

Obtains the default AVTube instance.

The default AVTube instance always exists.

返回:

Returns the default AVTube instance.

从以下版本开始:

5

getTubeByIndex

public Optional<AVTube> getTubeByIndex(int index)

Obtains the AVTube instance at a specified index.

参数:

index - Indicates the instance index. The value must be greater than 0 and less than tubeNumber(). If an invalid index is passed, an unexpected result may occur.

返回:

Returns the AVTube instance at the specified index.

从以下版本开始:

5

tubeNumber

public int tubeNumber()

Obtains the number of all AVTube instances.

返回:

Returns the number of all AVTube instances.

从以下版本开始:

5

tubeInUse

public Optional<AVTube> tubeInUse(int usageScenes)

Obtains the AVTube instances that are being used in specific scenes.

参数:

usageScenes - Indicates the scenes.

返回:

Returns the AVTube instances.

从以下版本开始:

5

useTube

public void useTube(AVTube tube,
                    int usageScenes)

Sets an AVTube instance for specific scenes.

Before calling this method, you should ensure that the media tube supports the scenes.

参数:

tube - Indicates the specified AVTube instance.

usageScenes - Indicates the scenes where the specified media tube to be used, which can be AVTube.UsageScene#REAL_TIME_AUDIO, AVTube.UsageScene#REAL_TIME_VIDEO, AVTube.UsageScene#USER_EXTENDED, or any combination of them.

从以下版本开始:

5

addTubeObserver

public void addTubeObserver(AVTubeManager.TubeObserver observer,
                            int usageScenes,
                            int flags)

Registers a tube observer with this AVTubeManager instance.

参数:

observer - Indicates the observer to register, which is an AVTubeManager.TubeObserver instance.

usageScenes - Indicates the scenes where the observed media tubes are used.

flags - Indicates the observer flag. The value can be AVTubeManager.ObserverFlag#NO_FLAG or AVTubeManager.ObserverFlag#IGNORE_FILTER. The latter means that the observer listens for all media tubes managed by this AVTubeManager instance, regardless of the usage scenes.

从以下版本开始:

5

removeTubeObserver

public void removeTubeObserver(AVTubeManager.TubeObserver observer)

Removes a specified observer from this AVTubeManager instance.

参数:

observer - Indicates the observer to remove.

从以下版本开始:

5

createTubeSet

public Optional<AVTube.SetInfo> createTubeSet(String name)

Creates a SetInfo instance for a media tube type.

参数:

name - Indicates the name of the type.

返回:

Returns the created SetInfo instance.

从以下版本开始:

5

createTubeSet

public Optional<AVTube.SetInfo> createTubeSet(int nameResId)

Creates a SetInfo instance for a media tube type with a specified resource ID of the type name.

参数:

nameResId - Indicates the resource ID of the type name.

返回:

Returns the created SetInfo instance.

从以下版本开始:

5

createAVTubeEx

public Optional<AVTubeEx> createAVTubeEx(AVTube.SetInfo setInfo)

Creates an AVTubeEx instance of a specified type.

参数:

setInfo - Indicates information about the media tube type.

返回:

Returns the AVTubeEx instance of the type.

从以下版本开始:

5

insertAVTubeEx

public void insertAVTubeEx(AVTubeEx avTubeEx)

Inserts an AVTubeEx instance to this AVTubeManager instance.

参数:

avTubeEx - Indicates the AVTubeEx instance to insert.

从以下版本开始:

5

deleteAVTubeEx

public void deleteAVTubeEx(AVTubeEx avTubeEx)

Removes a specified AVTubeEx instance from this AVTubeManager instance.

参数:

avTubeEx - Indicates the AVTubeEx instance to remove.

从以下版本开始:

5