UICollectionView's cellForItemAtIndexPath is not being called

Question

Only my second time using UICollectionView\'s and perhaps I have bitten off more than I can chew but nevertheless:

I am implementing a UICollectionView (myCollection

Answer 1

In my case I had to adjust the estimated Content size. content size did not do it.

  let layout = collectionVC.collectionView.collectionViewLayout as! UICollectionViewFlowLayout
    layout.itemSize = CGSize(width: 100, height: 100)
    layout.estimatedItemSize = CGSize(width: 100, height: 100)