Android7.0中文文档（API）-- Advanceable

完整内容，请查看：http://www.zhdoc.net/android/reference/android/widget/Advanceable.html

Advanceable

public interface Advanceable

android.widget.Advanceable

已知的间接子类

AdapterViewAnimator,AdapterViewFlipper, StackView

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This interface can be implemented by any collection-type view which has a notion of progressing through its set of children. The interface exists to give AppWidgetHosts a way of taking responsibility for automatically advancing such collections.
此接口可以通过任何集合类型的视图来实现，该视图具有通过它的一组子项来实现执行进度的概念。该接口的存在是为了让AppWidgetHosts能够承担自动推进这些集合的责任。

摘要

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Public方法

abstract voidadvance()

Advances this collection, eg.
提升这个集合。

abstract voidfyiWillBeAdvancedByHostKThx()

Called by the AppWidgetHost once before it begins to call advance(), allowing the collection to do any required setup.
在开始调用advance()之前，由AppWidgetHost来调用，以允许集合处理任何必要的设置。