How to set the collection view cell size exactly equal to the collection view in iOS?

Question

I want to set a collection view where it is only displayed one element at the time and it scrolls horizontally. I want to know how to set the same size for both if the colle

Answer 1

Simple answer :

Add UICollectionViewDelegateFlowLayout to your class and then use this method:

func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
    return CGSize(width: yourCollectionView.bounds.width, height: yourCollectionView.bounds.height)
}

to make it horizontal: