程序包 ohos.agp.components

接口 Component.ScrolledListener

封闭类:

Component

public static interface Component.ScrolledListener

Provides a callback to be invoked when a scroll event is dispatched from a component.

方法概要

限定符和类型	方法	说明
void	onContentScrolled(Component component, int scrollX, int scrollY, int oldScrollX, int oldScrollY)	Processes a scrolling event dispatched to a component.
default void	scrolledStageUpdate(Component component, int newStage)	Checks for scrolling stage changes of a component.

方法详细资料

onContentScrolled

void onContentScrolled(Component component,
                       int scrollX,
                       int scrollY,
                       int oldScrollX,
                       int oldScrollY)

Processes a scrolling event dispatched to a component.

参数:

component - Indicates the component to which the scrolling event is dispatched.

scrollX - Indicates the X position after scrolling.

scrollY - Indicates the Y position after scrolling.

oldScrollX - Indicates the X position before scrolling

oldScrollY - Indicates the Y position before scrolling.

从以下版本开始:

4

scrolledStageUpdate

default void scrolledStageUpdate(Component component,
                                 int newStage)

Checks for scrolling stage changes of a component.

参数:

component - Indicates the component whose scrolling stage has changed.

newStage - Indicates the updated scrolling stage. The value can be one of the following: Component.SCROLL_IDLE_STAGE, Component.SCROLL_NORMAL_STAGE, or Component.SCROLL_AUTO_STAGE.

从以下版本开始:

5