...
| Code Block |
|---|
|
class InfScrlViewCell: UITableViewCell {
let centeredLabellabel = UILabel()
// This is the wrapper
let adContainer:UIView = {
let view = UIView()
view.translatesAutoresizingMaskIntoConstraints = false
// Specify the item ad tag here
view.accessibilityLabel = "infiniteScroll_ad_wrapper_tag"
return view
}()
override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
super.init(style: style, reuseIdentifier: reuseIdentifier)
contentView.addSubview(centeredLabellabel)
// Added the wrapper to the item
contentView.addSubview(adContainer)
// Setup the constraints
...
}
...
} |
...
| Code Block |
|---|
|
import UIKit
import R89SDK
class CollectionViewInfiniteScrollViewController: UIViewController, UICollectionViewDataSource, UICollectionViewDelegateFlowLayout {
var collectionView: UICollectionView!
...
override func viewDidLoad() {
super.viewDidLoad()
// Configure the collection view layout
let layout = UICollectionViewFlowLayout()
layout.scrollDirection = .vertical
layout.estimatedItemSize = UICollectionViewFlowLayout.automaticSize
// Configure the collection view
collectionView = UICollectionView(frame: .zero, collectionViewLayout: layout)
collectionView.dataSource = self
collectionView.delegate = self
collectionView.register(DynamicHeightCollectionViewCell.self, forCellWithReuseIdentifier: "cell")
// Add constraints to fill the view
collectionView.translatesAutoresizingMaskIntoConstraints = false
view.addSubview(collectionView)
NSLayoutConstraint.activate([
collectionView.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor),
collectionView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
collectionView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
collectionView.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.bottomAnchor)
])
}
...
} |
Adding the wrapper to the item
The adContainer will play the role of a wrapper inside the UICollectionView’s contentView.
| Code Block |
|---|
|
class DynamicHeightCollectionViewCell: UICollectionViewCell {
private let label = UILabel()
private let adContainer: UIView = {
let view = UIView()
// Specify the item ad tag here
view.accessibilityLabel = "infiniteScroll_ad_wrapper_tag"
return view
}()
override init(frame: CGRect) {
super.init(frame: frame)
contentView.addSubview(label)
contentView.addSubview(adContainer)
}
// MARK: - Setup Methods
private func setupViews() {
contentView.addSubview(label)
contentView.addSubview(adContainer)
}
// MARK: - Configuration
func configure(title: String, subtitle: String) {
titleLabel.text = title
subtitleLabel.text = "Ad box heigth is \(adContainer.frame.height) \n Childcount is \(adContainer.subviews.count)"
}
} |