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UICollectionView + AFNetworking + AutoScroll/Pagination?

You could do it in a scrollViewDidScroll delegate method or collectionView:cellForItemAtIndexPath: (here you could detect that last cell is loading). What you would need to do is to create a wrapper for AFNetworking call to prevent it from loading the data few times (some kind of flag that indicates that it's already loading).

After that you could insert additional cell with some kind of activity indicator at the bottom and remove it after AFNetworking call is finished.

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