IOS 播放连续的图片 模拟GIF UIImageView

import UIKit
 17
 18 class ViewController：UIViewController {
 19
 20 override func viewDidLoad() {
 21 super.viewDidLoad()
 22 // Do any additional setup after loading the view,
 typically from a nib.
 23
 24 var images = UIImage
 25 for i in 1 …… 19{
 26 images.append(UIImage(named：“animation(i)”)！)
 27 }
 28
 29 let imageView = UIImageView(frame：CGRect(x：0,
 y：60, width：335, height：253))
 30 imageView.animationImages = images
 31 imageView.animationDuration = 5
 32 imageView.animationRepeatCount = 0
 33 imageView.startAnimating()
 34
 35 self.view.addSubview(imageView)
 36 }
 37 }