对于uiscrollview，用户可以通过ios来检测单个用户的点击量，同时还能提供拖拽功能。

I currently am using a UIScrollView to work as a way of scrolling/ dragging the cursor/ marker of a graph that I am displaying on my app. I use scrollViewDidScroll, etc. to detect the contentoffset's position and manipulate what I display on the screen based on this position. I currently am using a UIScrollView to work as