barisuyar

// Step 4
extension UIView {
 
    var snapshot: UIImage {
        let renderer = UIGraphicsImageRenderer(bounds: bounds)
        let capturedImage = renderer.image { context in
            layer.render(in: context.cgContext)
        }
        return capturedImage
    }

barisuyar

// Step 4
final class ThumbView: UIView {
 
    override init(frame: CGRect) {
        super.init(frame: frame)
        setup()
    }
 
    required init?(coder: NSCoder) {
        super.init(coder: coder)

barisuyar

 
final class Slider: UISlider {
 
    private let baseLayer = CALayer() // Step 3
 
    override func draw(_ rect: CGRect) {
        super.draw(rect)
        setup()
    }
 

barisuyar

import UIKit
 
final class Slider: UISlider {
 
    override func draw(_ rect: CGRect) {
        super.draw(rect)
        setup()
    }
 
    private func setup() {

barisuyar

import UIKit
 
final class Slider: UISlider {
 
}

barisuyar

public class FirstClass {
    fileprivate func someMethod() {}
}
 
internal class BusinessClass: FirstClass {
    override internal func someMethod() {}
}

private class Tax {