程序包 ohos.agp.components.element

接口 Element.OnLayoutDirectionChangeListener

所有已知实现类:

ImageAnimationElement

封闭类:

Element

public static interface Element.OnLayoutDirectionChangeListener

Provides a callback to listen for element layout direction changes.

This class receives a notification when the Element layout direction changes.

从以下版本开始:

6

方法概要

限定符和类型	方法	说明
boolean	onLayoutDirectionChanged(Element element, Component.LayoutDirection direction)	Called when the layout direction of an Element changes.

方法详细资料

onLayoutDirectionChanged

boolean onLayoutDirectionChanged(Element element,
                                 Component.LayoutDirection direction)

Called when the layout direction of an Element changes.

参数:

element - Indicates the Element whose layout direction is changed.

direction - Indicates the updated layout direction.

返回:

Returns true if the Element needs invalidation (re-drawing); returns false otherwise.

从以下版本开始:

7