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I am using two subclasses of UICollectionViewController, StackViewController and GridViewController. I am using a stack type gallery at first and then the transition happens when pinching any cell.

In the stack I have 5 albums so I passed numberofsections as 5 and then, when the user pinches out, transition to another controller which is using grid layout n then m returning numberofSections as 1.

The problem is all other albums in the stack gallery disappear when I pinch because I had set numberofsections to 1. I tried to return a different datasource for UICollectionView from the different controller but it only uses the StackViewController datasource.

user2739516
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  • Why does the stack need to be divided into sections? This is going to be a lot easier if your view controllers use the same set of index paths, particularly if you want to animate between the two layouts. – Timothy Moose Dec 11 '13 at 21:25
  • I want the transition to look similar to iPad gallery transition. what exactly I need to do? – user2739516 Dec 13 '13 at 06:01

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