程序包 ohos.media.common.sessioncore

类 AVQueueElement

java.lang.Object

ohos.media.common.sessioncore.AVQueueElement

所有已实现的接口:

Sequenceable

public final class AVQueueElement
extends Object
implements Sequenceable

Represents elements that constitute a playback queue. Each AVQueueElement instance contains the description of a media item and its position in the playback queue.

从以下版本开始:

3

SystemCapability

SystemCapability.Multimedia#MEDIA

嵌套类概要

从接口继承的嵌套类/接口 ohos.utils.Sequenceable

Sequenceable.Producer<T>

字段概要

字段

限定符和类型	字段	说明
static Sequenceable.Producer<AVQueueElement>	CREATOR
static long	INVALID_ID

构造器概要

构造器

构造器	说明
AVQueueElement(AVDescription description, long elementId)	A constructor used to create an AVQueueElement instance used to describe a media item.

方法概要

限定符和类型	方法	说明
AVDescription	getDescription()	Obtains the AVDescription from this AVQueueElement instance.
long	getElementId()	Obtains the position of this AVQueueElement instance in the playback queue.
boolean	marshalling(Parcel out)	Writes the AVQueueElement instance into a Parcel.
boolean	unmarshalling(Parcel in)	Restores the AVQueueElement instance from a Parcel.

从类继承的方法 java.lang.Object

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

从接口继承的方法 ohos.utils.Sequenceable

hasFileDescriptor

字段详细资料

CREATOR

public static final Sequenceable.Producer<AVQueueElement> CREATOR

INVALID_ID

public static final long INVALID_ID

另请参阅:

常量字段值

构造器详细资料

AVQueueElement

public AVQueueElement(AVDescription description,
                      long elementId)

A constructor used to create an AVQueueElement instance used to describe a media item.

参数:

description - Indicates the AVDescription contained in the AVQueueElement instance to be created.

elementId - Indicates the position of the AVQueueElement in the playback queue.

从以下版本开始:

3

方法详细资料

getDescription

public AVDescription getDescription()

Obtains the AVDescription from this AVQueueElement instance.

返回:

Returns the AVDescription instance.

从以下版本开始:

3

getElementId

public long getElementId()

Obtains the position of this AVQueueElement instance in the playback queue.

返回:

Returns the position.

从以下版本开始:

3

marshalling

public boolean marshalling(Parcel out)

Writes the AVQueueElement instance into a Parcel.

指定者:

marshalling 在接口中 Sequenceable

参数:

out - Indicates the Parcel into which the AVQueueElement instance will be written.

返回:

Returns true if the marshalling is successful; returns false otherwise.

从以下版本开始:

3

unmarshalling

public boolean unmarshalling(Parcel in)

Restores the AVQueueElement instance from a Parcel.

指定者:

unmarshalling 在接口中 Sequenceable

参数:

in - Indicates the Parcel into which the AVQueueElement instance has been written.

返回:

Returns true if the unmarshalling is successful; returns false otherwise.

从以下版本开始:

3