程序包 ohos.media.common

类 AVMetadata.Builder

java.lang.Object

ohos.media.common.AVMetadata.Builder

封闭类:

AVMetadata

public static final class AVMetadata.Builder
extends Object

Builder class used to create AVMetadata objects.

从以下版本开始:

3

构造器概要

构造器

构造器	说明
Builder()	Default constructor used to create a Builder instance.
Builder(AVMetadata source)	A constructor used to create a Builder instance based on the specified AVMetadata instance.

方法概要

限定符和类型	方法	说明
AVMetadata	build()	Creates an AVMetadata instance.
AVMetadata.Builder	setLong(String key, long value)	Adds a long value to the media metadata.
AVMetadata.Builder	setPixelMap(String key, PixelMap value)	Adds a PixelMap to the media metadata.
AVMetadata.Builder	setString(String key, String value)	Adds a string value to the media metadata.
AVMetadata.Builder	setText(String key, CharSequence value)	Adds a CharSequence value to the media metadata.

从类继承的方法 java.lang.Object

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

构造器详细资料

Builder

public Builder()

Default constructor used to create a Builder instance.

从以下版本开始:

3

Builder

public Builder(AVMetadata source)

A constructor used to create a Builder instance based on the specified AVMetadata instance.

参数:

source - Indicates the AVMetadata instance.

从以下版本开始:

3

方法详细资料

setText

public AVMetadata.Builder setText(String key,
                                  CharSequence value)

Adds a CharSequence value to the media metadata.

参数:

key - Indicates the key of the value to be added. You can use one defined in AVMetadata.AVTextKey or a custom key.

value - Indicates the string value.

返回:

Returns the Builder instance of this AVMetadata.

抛出:

IllegalArgumentException - Throws this exception if the key is in any of in the following types: AVMetadata.AVLongKey, AVMetadata.AVPixelMapKey.

从以下版本开始:

3

setString

public AVMetadata.Builder setString(String key,
                                    String value)

Adds a string value to the media metadata.

参数:

key - Indicates the key of the value to be added. You can use one defined in AVMetadata.AVTextKey or a custom key.

value - Indicates the string value.

返回:

Returns the Builder instance of this AVMetadata.

抛出:

IllegalArgumentException - Throws this exception if the key is in any of the following types: AVMetadata.AVLongKey, AVMetadata.AVPixelMapKey.

从以下版本开始:

3

setLong

public AVMetadata.Builder setLong(String key,
                                  long value)

Adds a long value to the media metadata.

参数:

key - Indicates the key of the value to be added. You can use one defined in AVMetadata.AVLongKey, or customize a key.

value - Indicates the long value.

返回:

Returns the Builder instance of this AVMetadata.

抛出:

IllegalArgumentException - Throws this exception if the key is in any of the following types: AVMetadata.AVTextKey, AVMetadata.AVPixelMapKey.

从以下版本开始:

3

setPixelMap

public AVMetadata.Builder setPixelMap(String key,
                                      PixelMap value)

Adds a PixelMap to the media metadata.

参数:

key - Indicates the key of the PixelMap. You can use one defined in AVMetadata.AVPixelMapKey or a custom key.

value - Indicates the PixelMap.

返回:

Returns the Builder instance of this AVMetadata.

抛出:

IllegalArgumentException - Throws this exception if the key is in any of the following types: AVMetadata.AVLongKey, AVMetadata.AVTextKey.

从以下版本开始:

3

build

public AVMetadata build()

Creates an AVMetadata instance.

返回:

Returns the AVMetadata instance.