import StickyFooterScrollView

let scrollView = StickyFooterScrollView(minimumFooterTopOffset: 24)

view.addSubview(scrollView)

scrollView.translatesAutoresizingMaskIntoConstraints = false

NSLayoutConstraint.activate([
    scrollView.topAnchor.constraint(equalTo: view.topAnchor),
    scrollView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
    scrollView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
    scrollView.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.bottomAnchor)
])

let mainContentView = UIStackView()
mainContentView.axis = .vertical

let imageView = UIImageView(image: UIImage(named: "Image"))
mainContentView.addArrangedSubview(imageView)

let titleLabel = UILabel()
titleLabel.text = "Hello"
titleLabel.textColor = .red
mainContentView.addArrangedSubview(titleLabel)

let descriptionLabel = UILabel()
descriptionLabel.text = "Sticky Footer Scroll View"
descriptionLabel.textColor = .blue
mainContentView.addArrangedSubview(descriptionLabel)
        
scrollView.applyContentView(mainContentView, with: .init(top: 24, left: 24, bottom: 24, right: 24))

let confirmButton = UIButton()
confirmButton.setTitle("OK", for: .normal)

scrollView.applyFooterView(confirmButton, with: .init(top: 24, left: 24, bottom: 24, right: 24))

override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)

contentView.scrollView.updateLayout()
}