程序包 ohos.agp.components

接口 ListContainer.ItemVisibilityChangedListener

封闭类:

ListContainer

public static interface ListContainer.ItemVisibilityChangedListener

Provides callbacks to be invoked when a component is added to or removed from the set of visible items.

从以下版本开始:

5

方法概要

限定符和类型	方法	说明
void	onItemAdded(Component component, int position)	Called when a component is added to the set of visible components.
void	onItemRemoved(Component component, int position)	Called when a component is removed from the set of visible components.

方法详细资料

onItemAdded

void onItemAdded(Component component,
                 int position)

Called when a component is added to the set of visible components.

参数:

component - Indicates the component that has been added.

position - Indicates the position of the component that has been added.

从以下版本开始:

5

onItemRemoved

void onItemRemoved(Component component,
                   int position)

Called when a component is removed from the set of visible components.

参数:

component - Indicates the component that has been removed.

position - Indicates the position of the component that has been removed.

从以下版本开始:

5