This is a snippet for make a tinder lookALike swiping with image showing to the side

ScrollViewSideLikeTinder.swift

import UIKit

class ViewController: UIViewController {

    var images = [UIImageView]()
    
    override func viewDidLoad() {
        super.viewDidLoad()
       
    }
    
    // For get the width of the view
    override func viewDidAppear(_ animated: Bool) {
        
        var contentWidth: CGFloat = 0.0
        
        print("Scrollview width: \(scrollView.frame.size.width)")
        
        let scrollWidth = scrollView.frame.size.width
        
        for x in 0...2 {
            let image = UIImage(named: "icon\(x).png")
            let imageView = UIImageView(image: image)
            images.append(imageView)
            
            var newX: CGFloat = 0.0
            
            newX = scrollWidth / 2 + scrollWidth * CGFloat(x)
            
            contentWidth += newX
            
            scrollView.addSubview(imageView)
            
            // For center the image
            imageView.frame = CGRect(x: newX - 75, y: (scrollView.frame.size.height / 2) - 75, width: 150, height: 150)
        }
        
        // For getting image a bit in the side
        scrollView.clipsToBounds = false
        
        scrollView.contentSize = CGSize(width: contentWidth, height: view.frame.size.height)
        
    }
    
    @IBOutlet weak var scrollView: UIScrollView!
}