iOS 滚动视图：BTInfiniteScrollView
jopen
10年前
BTInfiniteScrollView 是另一个直观的滚动视图。
UIScrollView subclass 特性：
- infinite scrolling;
- both horizontal and vertical scrolling modes;
- variable item thickness;
- programmatically scrolling to item at specified index;
- querying about item at specific position;
- delegate notifications about views appearing at specified position as a result of user scrolling.
