[SWIFT]UIImageView Extension

import UIKit

extension UIImageView {
	// Gif 파일 로드
    static func fromGif(frame: CGRect, resourceName: String) -> UIImageView? {
        guard let path = Bundle.main.path(forResource: resourceName, ofType: "gif") else {
            print("Gif does not exist at that path")
            return nil
        }
        let url = URL(fileURLWithPath: path)
        guard let gifData = try? Data(contentsOf: url),
            let source =  CGImageSourceCreateWithData(gifData as CFData, nil) else { return nil }
        var images = [UIImage]()
        let imageCount = CGImageSourceGetCount(source)
        for i in 0 ..< imageCount {
            if let image = CGImageSourceCreateImageAtIndex(source, i, nil) {
                images.append(UIImage(cgImage: image))
            }
        }
        let gifImageView = UIImageView(frame: frame)
        gifImageView.animationImages = images
        return gifImageView
    }
}

 

[사용방법]

guard let popupView = UIImageView.fromGif(frame: CGRect.init(x: 0, y: 0, width: 100, height: 100), resourceName: "ico_loading_dot") else {
	return
}

view.addSubview(popupView)