How to remove the gap between header and cell of UICollectionView?

Question

I have a UICollectionView and it has a header and a cell. I want to remove the gap between the header and the cell.. How to do that in swift?

Here is my view...

I added background colour to the collectionView and header and cell also..

Please see the screenshot.

Answer 1

Use the property section Inset of UICollectionViewFlowLayout

let layout: UICollectionViewFlowLayout = UICollectionViewFlowLayout()
layout.sectionInset = UIEdgeInsets(top: 0, left: 10, bottom: 10, right: 10)
// Here you can set according your requirement

For more reference: http://www.brianjcoleman.com/tutorial-collection-view-using-swift/