SAllen0400

// Bad way using if statement
func showMyView(bool: Bool) {
 
  if bool == true {
    UIView.animate(withDuration: 0.33, animations: {
      self.myView.alpha =  1.0
    })
  } else {
    UIView.animate(withDuration: 0.33, animations: {
      self.myView.alpha = 0.0

SAllen0400

extension UIProgressView {
    
    func animate(duration: Double) {
        
        setProgress(0.01, animated: true)
        
        UIView.animate(withDuration: duration, delay: 0.0, options: .curveLinear, animations: {
            self.setProgress(1.0, animated: true)
        }, completion: nil)
    }

SAllen0400

if DeviceTypes.iPhone5 || DeviceTypes.iPhone7Zoomed {
  // Do any iPhone 5 (or iPhone7 Zoomed mode) specific code here
}

if DeviceTypes.iPhone7PlusStandard {
  // Do any iPhone 7 Plus specific code here
}

SAllen0400

struct ScreenSize {
    static let SCREEN_WIDTH         = UIScreen.main.bounds.size.width
    static let SCREEN_HEIGHT        = UIScreen.main.bounds.size.height
    static let SCREEN_MAX_LENGTH    = max(ScreenSize.SCREEN_WIDTH, ScreenSize.SCREEN_HEIGHT)
    static let SCREEN_MIN_LENGTH    = min(ScreenSize.SCREEN_WIDTH, ScreenSize.SCREEN_HEIGHT)
}

struct DeviceTypes {
    static let iPhone4              = UIDevice.current.userInterfaceIdiom == .phone && ScreenSize.SCREEN_MAX_LENGTH < 568.0
    static let iPhone5              = UIDevice.current.userInterfaceIdiom == .phone && ScreenSize.SCREEN_MAX_LENGTH == 568.0