UICollectionView not populating from Array with data - swift

Question

I have an array of 115 objects containing name and photo url string from Firebase. Printing the data shows results so i know its pulling data correctly.
The problem is the Cells are never populated by the data.
If i add a print(name) inside the class DJProfileCell: UICollectionViewCell it never gets called so i believe thats where the issue is.
class VLCDJProfileViewController: UICollectionViewController, UICollectionViewDelegateFlowLayout {
#IBOutlet weak var similarArtistsCollection: UICollectionView!
var ref: DatabaseReference!
let profileCellID = "cellId"
var djObject = SimilarDJ(image: "image1", name: "name1")
var djsSimilarArray = [SimilarDJ]()
override func viewDidLoad() {
super.viewDidLoad()
ref = Database.database().reference()
loadDJs()
collectionView?.register(DJProfileCell.self, forCellWithReuseIdentifier: profileCellID)
}
func loadDJs(){
let allDJs = self.ref.child("DJ")
allDJs.observeSingleEvent(of: .value, with: { snapshot in
for child in snapshot.children {
let snap = child as! DataSnapshot
let djsDict = snap.value as! [String: Any]
let PhotoUrl = djsDict["PhotoUrl"] as! String
let name = djsDict["name"] as! String + " "
self.djObject = SimilarDJ (image: PhotoUrl, name: name + " ")
self.djsSimilarArray.append(self.djObject)
self.similarArtistsCollection.reloadData();
}
})
}
override func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
return djsSimilarArray.count
}
override func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
let cell = collectionView.dequeueReusableCell(withReuseIdentifier: profileCellID, for: indexPath) as! DJProfileCell
cell.djprofile = djsSimilarArray[indexPath.item]
return cell
}
class DJProfileCell: UICollectionViewCell {
var djprofile: SimilarDJ? {
didSet {
guard let djImageProfile = djprofile?.image else {return}
guard let djNameProfile = djprofile?.name else {return}
let url = URL(string: djImageProfile)
djImageView.kf.indicatorType = .activity
djImageView.kf.setImage(with: url)
djImageLabel.text = djNameProfile
djImageLabel.adjustsFontSizeToFitWidth = true
}
}
override init(frame: CGRect) {
super.init(frame: frame)
setup()
}
func setup(){
self.backgroundColor = .white
self.addSubview(djImageView)
self.addSubview(djImageLabel)
}
let djImageView: UIImageView = {
let iv = UIImageView()
// iv.contentMode = .scaleAspectFit
// iv.backgroundColor = .green
return iv
}()
let djImageLabel: MarqueeLabel = {
let label = MarqueeLabel()
label.text = "Name"
label.textColor = UIColor.black
label.font = label.font.withSize(14)
label.textAlignment = .center
return label
}()
required init?(coder aDecoder: NSCoder) {
fatalError("init has not been implemented")
}
}
struct SimilarDJ {
let image: String?
let name: String?
}

Answer 1

in cell class - djImageView and djImageLabel are never added to the view's hierarchy. I see no IBOutlet and no addSubview().