程序包 ohos.agp.components

接口 Attr

public interface Attr

Obtains attribute values.

Attr interface contains the set of methods that need to be implemented to support attribute value design. Attr objects are used in AttrSet to apply Component properties in constructor.

从以下版本开始:

3

方法概要

限定符和类型	方法	说明
boolean	getBoolValue()	Obtains the Boolean value of an attribute.
Color	getColorValue()	Obtains the Color value of an attribute.
Context	getContext()	Obtains the context associated with an attribute.
int	getDimensionValue()	Obtains the dimension value of an attribute.
Element	getElement()	Obtains the Element value of an attribute.
float	getFloatValue()	Obtains the floating point value of an attribute.
int	getIntegerValue()	Obtains the integer value of an attribute.
long	getLongValue()	Obtains the long value of an attribute.
String	getName()	Obtains the name of an attribute, for example, width.
String	getStringValue()	Obtains the character string value of an attribute.

方法详细资料

getName

String getName()

Obtains the name of an attribute, for example, width.

返回:

Returns the name of the attribute.

getStringValue

String getStringValue()

Obtains the character string value of an attribute.

返回:

Returns the character string value of the attribute.

getIntegerValue

int getIntegerValue()

Obtains the integer value of an attribute.

返回:

Returns the integer value of the attribute; returns the default value 0 if the attribute does not have an integer value.

getBoolValue

boolean getBoolValue()

Obtains the Boolean value of an attribute.

返回:

Returns the Boolean value (true or false) of the attribute; returns the default value false if the attribute does not have a Boolean value.

getFloatValue

float getFloatValue()

Obtains the floating point value of an attribute.

返回:

Returns the floating point value of the attribute; returns the default value 0 if the attribute does not have a floating point value.

getLongValue

long getLongValue()

Obtains the long value of an attribute.

返回:

Returns the long value of the attribute; returns the default value 0 if the attribute does not have a long value.

getElement

Element getElement()

Obtains the Element value of an attribute.

返回:

Returns the Element value of the attribute; returns the default value null if the attribute does not have a Element value.

从以下版本开始:

3

getDimensionValue

int getDimensionValue()

Obtains the dimension value of an attribute.

返回:

Returns an integer representing the dimension value of the attribute; returns the default value 0 if the attribute does not have a dimension value.

从以下版本开始:

3

getColorValue

Color getColorValue()

Obtains the Color value of an attribute.

返回:

Returns the Color value of the attribute; returns the default value null if the attribute does not have a Color value.

从以下版本开始:

3

getContext

Context getContext()

Obtains the context associated with an attribute.

返回:

Returns the attribute context.

从以下版本开始:

4