程序包 ohos.agp.components

接口 Picker.ElementFormatter

封闭类:

Picker

public static interface Picker.ElementFormatter

Formats the left and right compound element objects for every item of Picker.

The leftElement(int) interface needs to be implemented to display an element object on the left of every item.

The rightElement(int) interface needs to be implemented to display an element object on the right of every item.

null is returned if no element object is required on either side of the item.

方法概要

限定符和类型	方法	说明
Element	leftElement(int value)	Formats the element object displayed on the left of every item of Picker.
Element	rightElement(int value)	Formats the element object displayed on the right of every item of Picker.

方法详细资料

leftElement

Element leftElement(int value)

Formats the element object displayed on the left of every item of Picker.

参数:

value - Indicates the current item.

返回:

Returns the formatted Element object displayed on the left of the item; returns null if no element object is required.

rightElement

Element rightElement(int value)

Formats the element object displayed on the right of every item of Picker.

参数:

value - Indicates the current item.

返回:

Returns the formatted Element object displayed on the right of the item; returns null if no element object is required.