UICollectionViewLayout Not working with UIImage in Swift 5 and Xcode 11

Question

Please check this attached code and screen short. It\'s work fine when I set the color of container view but when I add UIImage in cell then it\'s not working. I changed the

Answer 1

it is probably because the red is dominating over the image

func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
    let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "cell", for: indexPath) as! CollectionViewCell
    cell.imgCell.image = items[indexPath.row]
    cell.imgCell.contentMode = .scaleAspectFill
    cell.contentView.backgroundColor = .red
    return cell
}

try:

func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
    let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "cell", for: indexPath) as! CollectionViewCell
    cell.contentView.backgroundColor = .red
    cell.imgCell.image = items[indexPath.row]
    cell.imgCell.contentMode = .scaleAspectFill

    return cell
}

Answer 2

Please try this solution. I think there are some changes from Xcode 11. Change the CollectionView Estimate Size to None then it will work.