程序包 ohos.agp.components

接口 AttrSet

public interface AttrSet

Defines how to store, read, and use attributes related to Component controls, as well as other classes that need to use the attribute set.

从以下版本开始:

3

字段概要

字段

限定符和类型	字段	说明
static String	STYLE_ATTR	Defines the style of the attributes in an attribute set.

方法概要

限定符和类型	方法	说明
Optional<Attr>	getAttr(int index)	Obtains an attribute using its index.
Optional<Attr>	getAttr(String fullName)	Obtains an attribute by its name.
int	getLength()	Obtains the quantity of attributes in the attribute set.
Optional<String>	getStyle()	Obtains the attribute style.

字段详细资料

STYLE_ATTR

static final String STYLE_ATTR

Defines the style of the attributes in an attribute set.

另请参阅:

常量字段值

方法详细资料

getStyle

Optional<String> getStyle()

Obtains the attribute style.

返回:

Returns the attribute style.

getLength

int getLength()

Obtains the quantity of attributes in the attribute set.

返回:

Returns the quantity of attributes.

getAttr

Optional<Attr> getAttr(int index)

Obtains an attribute using its index.

参数:

index - Indicates the index value ranging from 0 to the quantity of existing attributes minus 1. A value outside of this range will not generate an error, but will receive an empty Optional object.

返回:

Returns the attribute corresponding to the index.

getAttr

Optional<Attr> getAttr(String fullName)

Obtains an attribute by its name.

An attribute that matches fullName will be returned.

参数:

fullName - Indicates the fully qualified name of the attribute.

返回:

Returns a matching attribute.