nanotroy

class ArticleClass {
    let title: String
    let url: URL
    var readCount: Int = 0

    init(title: String, url: URL) {
        self.title = title
        self.url = url
    }
}

nanotroy

let text = dataSource.item(at: indexPath.item)
guard let nib = Bundle.main.loadNibNamed("CustomCell", owner: CustomCell.self, options: nil), let cell = nib?[0] as? CustomCell else {
    
    return
}
// Ensure that your content has been set
cell.label.text = text
// Assuming your custom cell has a content view
cell.contentView.setNeedsLayout()
cell.contentView.layoutIfNeeded()

nanotroy

func collectionView(_ collectionView: UICollectionView, layout: FlexibleRowHeightGridLayout, heightForItemAt indexPath: IndexPath) -> CGFloat {
let text = dataSource.item(at: indexPath.item)
let font = Typography(for: .cellText).font()
return layout.textHeight(text, font: font)
}

nanotroy

func collectionView(_ collectionView: UICollectionView, layout: FlexibleRowHeightGridLayout, heightForItemAt indexPath: IndexPath) -> CGFloat {
    let text = dataSource.item(at: indexPath.item)
    let font = UIFont.preferredFont(forTextStyle: .body)
    return layout.textHeight(text, font: font)
}

nanotroy

let layout = FlexibleRowHeightGridLayout()
layout.delegate = self
collectionView.collectionViewLayout = layout

nanotroy

let layout = FlexibleRowHeightGridLayout()
layout.delegate = self
let collectionView = UICollectionView(frame: .zero, collectionViewLayout: layout)

nanotroy

override func preferredLayoutAttributesFitting(_ layoutAttributes: UICollectionViewLayoutAttributes) -> UICollectionViewLayoutAttributes {
    setNeedsLayout()
    layoutIfNeeded()
    let size = contentView.systemLayoutSizeFitting(layoutAttributes.size)
    var newFrame = layoutAttributes.frame
    // Make any additional adjustments to the cell's frame
    newFrame.size = size
    layoutAttributes.frame = newFrame
    return layoutAttributes
}

nanotroy

override func awakeFromNib() {
super.awakeFromNib()
contentView.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
contentView.leftAnchor.constraint(equalTo: leftAnchor),
contentView.rightAnchor.constraint(equalTo: rightAnchor),
contentView.topAnchor.constraint(equalTo: topAnchor),
contentView.bottomAnchor.constraint(equalTo: bottomAnchor)
])
}

nanotroy

@IBOutlet weak var layout: UICollectionViewFlowLayout! {
    didSet {
layout.estimatedItemSize = UICollectionViewFlowLayout.automaticSize
    }
}

nanotroy

if let layout = collectionView.collectionViewLayout as? UICollectionViewFlowLayout {
layout.estimatedItemSize = UICollectionViewFlowLayout.automaticSize
}