程序包 ohos.media.common.sessioncore

类 AVElement

java.lang.Object

ohos.media.common.sessioncore.AVElement

所有已实现的接口:

Sequenceable

public class AVElement
extends Object
implements Sequenceable

Stores the A/V element.

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 int	AVELEMENT_FLAG_PLAYABLE	Indicates that the media item can be played when the AND operation result on the values of flags and this constant is non-zero, the media item can be scanned.
static int	AVELEMENT_FLAG_SCANNABLE	Indicates that the media item can be scanned when the AND operation result on the values of flags and this constant is non-zero, the media item can be scanned.

构造器概要

构造器

构造器	说明
AVElement(AVDescription description, int flags)	A constructor used to create an AVElement instance.

方法概要

限定符和类型	方法	说明
AVDescription	getAVDescription()	Obtains detailed information about the media item.
int	getFlags()	Obtains the value of media item flags.
String	getMediaId()	Obtains the media item ID.
boolean	isPlayable()	Checks whether the media item can be played.
boolean	isScannable()	Checks whether the media item can be scanned.
boolean	marshalling(Parcel out)	Marshals this Sequenceable object into a Parcel.
boolean	unmarshalling(Parcel in)	Unmarshals this Sequenceable object 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

AVELEMENT_FLAG_PLAYABLE

public static final int AVELEMENT_FLAG_PLAYABLE

Indicates that the media item can be played when the AND operation result on the values of flags and this constant is non-zero, the media item can be scanned.

从以下版本开始:

3

另请参阅:

常量字段值

AVELEMENT_FLAG_SCANNABLE

public static final int AVELEMENT_FLAG_SCANNABLE

Indicates that the media item can be scanned when the AND operation result on the values of flags and this constant is non-zero, the media item can be scanned.

从以下版本开始:

3

另请参阅:

常量字段值

构造器详细资料

AVElement

public AVElement(AVDescription description,
                 int flags)
          throws IllegalArgumentException

A constructor used to create an AVElement instance.

参数:

description - Indicates the description of a media item.

flags - Specifies whether the media item can be played and scanned. The flags are as follows:

• AVELEMENT_FLAG_SCANNABLE
• AVELEMENT_FLAG_PLAYABLE

抛出:

IllegalArgumentException - Throws this exception if the description or the media ID in description is null.

从以下版本开始:

3

方法详细资料

getFlags

public int getFlags()

Obtains the value of media item flags.

The flags are as follows:

• AVELEMENT_FLAG_SCANNABLE
• AVELEMENT_FLAG_PLAYABLE

返回:

Returns the value of the flags.

从以下版本开始:

3

isScannable

public boolean isScannable()

Checks whether the media item can be scanned. For example, if a media item has child items, it can be scanned.

返回:

Returns true if the media item can be scanned; returns false otherwise.

从以下版本开始:

3

isPlayable

public boolean isPlayable()

Checks whether the media item can be played.

返回:

Returns true if the media item can be played; returns false otherwise.

从以下版本开始:

3

getAVDescription

public AVDescription getAVDescription()

Obtains detailed information about the media item.

返回:

Returns the AVDescription instance if obtained; returns null otherwise.

从以下版本开始:

3

getMediaId

public String getMediaId()

Obtains the media item ID.

返回:

Returns the media item ID if obtained; returns null otherwise.

从以下版本开始:

3

marshalling

public boolean marshalling(Parcel out)

从接口复制的说明: Sequenceable

Marshals this Sequenceable object into a Parcel.

指定者:

marshalling 在接口中 Sequenceable

参数:

out - Indicates the Parcel object to which the Sequenceable object will be marshaled..

返回:

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

unmarshalling

public boolean unmarshalling(Parcel in)

从接口复制的说明: Sequenceable

Unmarshals this Sequenceable object from a Parcel.

指定者:

unmarshalling 在接口中 Sequenceable

参数:

in - Indicates the Parcel object into which the Sequenceable object has been marshaled.

返回:

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