https://github.com/mrustaa/ButtonClickStyle

extension ButtonClick {  
  //                          Number Value
  enum Style {                
    case alpha                //  0
    case flash                //  1
    case shadow               //  2
    case shadowColor          //  3
    case color                //  4
    case colorFlat            //  5
    case pulsateNew           //  6
    case pulsate              //  7
    case press                //  8
    case shake                //  9
    case shakeNew             // 10
    case androidClickable     // 11
    case androidClickableDark // 12
    case fave                 // 13
    case glare                // 14
  }
}  

import ButtonClickStyle
import UIKit

class ViewController: UIViewController {
  
  //MARK: Init Xib/Storyboards
  
  @IBOutlet var xibButtonClickStyleView: ButtonClickStyleView?
  
  //MARK: Init Programmaticaly
  
  var prgmButtonClickStyleView: ButtonClickStyleView?
  var prgmFigureView: UIView!
  var prgmRectangleView: UIView!
  
  override func viewDidLoad() {
    super.viewDidLoad()
    
    let figureView = UIView(frame: .init(x: 50, y: 10, width: 80, height: 40))
    figureView.backgroundColor = .systemIndigo
    figureView.layer.cornerRadius = 20
    self.prgmFigureView = figureView
    
    let rectangleView = UIView(frame: .init(x: 15, y: 50, width: 50, height: 60))
    rectangleView.backgroundColor = .systemPurple
    self.prgmRectangleView = rectangleView
    
    let state = ButtonClick.State(
      titleText: "Hello",       // debug text button
      allSubviews: true,        // click animation all subviews 
      animationType: 2,         // style 15 
      animationTypeValue: 0.5,  // value - alpha/power move
      animationDuration: nil,   // anim duration
      new: false,               // same styles one of them new 
      color: UIColor.green,     // value color for styles shadowColor/color/colorFlat 
      startClick: true,         // animate on creation
      debugButtonShow: false,   // debug highlight the real button inside
      addBackgrondColor: true   // debug add background color/view
    )
    
    let btnView = ButtonClickStyleView(
      state: state,
      frame: .init(x: 0, y: 300, width: 240, height: 128),
      radius: 20,
      addViews: [figureView],    // addViews - allows you to pass views / layers which you definitely want to use in the click animation only
      click: { event in
        
      }
    )
    btnView.backgroundColor = .yellow.withAlphaComponent(0.5)
    
    btnView.updateSubviews()
    self.prgmButtonClickStyleView = btnView
    
    btnView.addSubview(figureView)
    btnView.addSubview(rectangleView)
    self.view.addSubview(btnView)
  }
}

 self.prgmButtonClickStyleView?.update(animationType: type, allSubviews: true)

 let btnView = ButtonClickStyleView(
      state: state, 
      frame: frame,
      click: { event in
          ... 
      }
    )

 self.prgmButtonClickStyleView?.click = { event in
    ...  
 }