I would like to implement a timeline, much like one you can find in iMovie or Final Cut, which you can scroll in either direction. Scrolling to the left would go back in tim
Apple has and example project featuring infinite scrolling it's called StreetScroller, the description says:
Demonstrates how a UIScrollView subclass can scroll infinitely in the horizontal direction.
I hope this helps you.
StreetScroller can only support no paging mode. I wrote a class based on the StreetScroller and support paging & no paging at the same time. https://github.com/hellohalo/InfiniteScrollView