Измените minimumInteritemSpacingForSectionAt
и minimumLineSpacingForSectionAt
метод UICollectionViewDelegateFlowLayout
на меньшее значение:
var reducedPadding: CGFloat = 8
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, minimumInteritemSpacingForSectionAt section: Int) -> CGFloat {
return reducedPadding
}
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, minimumLineSpacingForSectionAt section: Int) -> CGFloat {
return reducedPadding
}