程序包 ohos.media.common

类 AVDescription

java.lang.Object

ohos.media.common.AVDescription

所有已实现的接口:

Sequenceable

public final class AVDescription
extends Object
implements Sequenceable

Represents descriptive information about media items.

从以下版本开始:

3

SystemCapability

SystemCapability.Multimedia#MEDIA

嵌套类概要

嵌套类

限定符和类型	类	说明
static class	AVDescription.Builder	Static inner class used to create AVDescription objects.

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<AVDescription>	CREATOR	Indicates a creator to generate an AVDescription instance from a Parcel.

方法概要

限定符和类型	方法	说明
CharSequence	getDescription()	Obtains the media item description.
PacMap	getExtras()	Obtains extra information about the media item, for example, internal information used by the application and system.
PixelMap	getIcon()	Obtains the media item icon.
Uri	getIconUri()	Obtains the URI of the media item icon.
String	getMediaId()	Obtains the ID of the media item.
Uri	getMediaUri()	Obtains the URI of the media content.
CharSequence	getSubTitle()	Obtains the subtitle of the media item.
CharSequence	getTitle()	Obtains the title of the media item.
boolean	marshalling(Parcel parcel)	Marshals the AVDescription object into a Parcel.
boolean	unmarshalling(Parcel parcel)	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

CREATOR

public static final Sequenceable.Producer<AVDescription> CREATOR

Indicates a creator to generate an AVDescription instance from a Parcel.

从以下版本开始:

3

方法详细资料

getMediaId

public String getMediaId()

Obtains the ID of the media item.

返回:

Returns the ID.

从以下版本开始:

3

getTitle

public CharSequence getTitle()

Obtains the title of the media item.

返回:

Returns the title.

从以下版本开始:

3

getSubTitle

public CharSequence getSubTitle()

Obtains the subtitle of the media item.

返回:

Returns the subtitle.

从以下版本开始:

3

getDescription

public CharSequence getDescription()

Obtains the media item description.

返回:

Returns the description.

从以下版本开始:

3

getIcon

public PixelMap getIcon()

Obtains the media item icon.

返回:

Returns the icon.

从以下版本开始:

3

getIconUri

public Uri getIconUri()

Obtains the URI of the media item icon.

返回:

Returns the URI of the icon.

从以下版本开始:

3

getExtras

public PacMap getExtras()

Obtains extra information about the media item, for example, internal information used by the application and system.

返回:

Returns the extra information about the media item.

从以下版本开始:

3

getMediaUri

public Uri getMediaUri()

Obtains the URI of the media content.

返回:

Returns the URI of the media content.

从以下版本开始:

3

marshalling

public boolean marshalling(Parcel parcel)

Marshals the AVDescription object into a Parcel.

指定者:

marshalling 在接口中 Sequenceable

参数:

parcel - Indicates the Parcel for marshalling.

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 parcel)

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:

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

返回:

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