UIList视图仅在视图不可见时显示单元格

I've been working through this tutorial and I can get the cell info to show up but only if the that particular cell is out of the view. For example, the bottom three cells load just find because they are bellow the "fold" and I have to scroll to get to them. Once I scroll down, the top cells appear. New to objective-c so I'm not really even sure where to even begin. Can you someone point me in the right direction? and I c