CAScrollViewDelegate

CAScrollViewDelegate Detailed Description

Class Description

It’s CAScrollView agent class, defines four ports that respond to scrollView related operation, and declares a port that is used to remove agent.

Method

Access modifier	Method name	Description
Public	scrollViewDidScroll	Respond to view scroll
Public	scrollViewWillBeginDragging	Is called when scroll starts
Public	scrollViewDidEndDragging	Is called when scroll ends
Public	scrollViewDidZoom	Respond to view scale

Method Description

virtual void scrollViewDidScroll(CAScrollView view){}*
Return value: void
Description: any scroll operation on view will trigger this port.

virtual void scrollViewWillBeginDragging(CAScrollView view){}*
Return value: void
Description: it’s called when you touch view and are ready to scroll

virtual void scrollViewDidEndDragging(CAScrollView view){}*
Return value: void
Description: it’s called when you finish scroll and is ready to leave view

virtual void scrollViewDidZoom(CAScrollView view){}*
return value: void
description: it’s called when you scale view.