Is it possible to swap 2 cells in a UICollectionView that is using UICollectionViewFlowLayout?

Question

Say I have a UICollectionView using a UICollectionViewFlowLayout and the following format:

1 2 3
4 5 6
7 8 9

I touch cell 9 and drag it over ce

Answer 1

Have you tried re-ordering the items directly using moveItemAtIndexPath:toIndexPath: ?

-make sure you actually re-order the underlying model collection so that the changes stick when you do a full reload next time.