How to Implement Gif Image Loading spinner in iOS Swift

 //
//  Gif.swift
//  SwiftGif
//
//  Created by Arne Bahlo on 07.06.14.
//  Copyright (c) 2014 Arne Bahlo. All rights reserved.
//

import UIKit
import ImageIO

extension UIImage {
    
    public class func gifWithData(data: NSData) -> UIImage? {
        guard let source = CGImageSourceCreateWithData(data, nil) else {
            print("SwiftGif: Source for the image does not exist")
            return nil
        }
        return UIImage.animatedImageWithSource(source)
    }
    
    public class func gifWithName(name: String) -> UIImage? {
        guard let bundleURL = NSBundle.mainBundle().URLForResource(name, withExtension: "gif") else {
            print("SwiftGif: This image named \"\(name)\" does not exist")
            return nil
        }
        guard let imageData = NSData(contentsOfURL: bundleURL) else {
            print("SwiftGif: Cannot turn image named \"\(name)\" into NSData")
            return nil
        }
        return gifWithData(imageData)
    }
    
    class func delayForImageAtIndex(index: Int, source: CGImageSource!) -> Double {
        var delay = 0.05
        
        // Get dictionaries
        let cfProperties = CGImageSourceCopyPropertiesAtIndex(source, index, nil)
        let gifProperties: CFDictionaryRef = unsafeBitCast(
            CFDictionaryGetValue(cfProperties,
                unsafeAddressOf(kCGImagePropertyGIFDictionary)),
            CFDictionary.self)

        // Get delay time
        var delayObject: AnyObject = unsafeBitCast(
            CFDictionaryGetValue(gifProperties,
                unsafeAddressOf(kCGImagePropertyGIFUnclampedDelayTime)),
            AnyObject.self)
        if delayObject.doubleValue == 0 {
            delayObject = unsafeBitCast(CFDictionaryGetValue(gifProperties,
                unsafeAddressOf(kCGImagePropertyGIFDelayTime)), AnyObject.self)
        }
        
        delay = delayObject as! Double
        
        if delay < 0.1 {
            delay = 0.1 // Make sure they're not too fast
        }
        
        return delay
    }
    
    class func gcdForPair(var a: Int?, var _ b: Int?) -> Int {
        // Check if one of them is nil
        if b == nil || a == nil {
            if b != nil {
                return b!
            } else if a != nil {
                return a!
            } else {
                return 0
            }
        }
        
        // Swap for modulo
        if a < b {
            let c = a
            a = b
            b = c
        }
        
        // Get greatest common divisor
        var rest: Int
        while true {
            rest = a! % b!
            
            if rest == 0 {
                return b! // Found it
            } else {
                a = b
                b = rest
            }
        }
    }
    
    class func gcdForArray(array: Array) -> Int {
        if array.isEmpty {
            return 1
        }
        
        var gcd = array[0]
        
        for val in array {
            gcd = UIImage.gcdForPair(val, gcd)
        }
        
        return gcd
    }
    
    class func animatedImageWithSource(source: CGImageSource) -> UIImage? {
        let count = CGImageSourceGetCount(source)
        var images = [CGImageRef]()
        var delays = [Int]()
        
        // Fill arrays
        for i in 0..<count {="" add="" image="" if="" let="" i,="" nil)="" images.append(image)="" }="" at="" it's="" delay="" in="" cs="" delayseconds="UIImage.delayForImageAtIndex(Int(i)," source:="" source)="" delays.append(int(delayseconds="" *="" 1000.0))="" seconds="" to="" ms="" calculate="" full="" duration="" duration:="" int="{" var="" sum="0" for="" val:="" delays="" +="val" return="" }()="" get="" frames="" gcd="gcdForArray(delays)" frame:="" uiimage="" framecount:="" i="" 0..="" 

import Foundation
import UIKit

public class ActivityIndicatorWithLabel {
    
    var containerView = UIView()
    var progressView = UIView()
    var activityIndicator = UIActivityIndicatorView()

    
    public class var shared: ActivityIndicatorWithLabel {
        struct Static {
            static let instance: ActivityIndicatorWithLabel = ActivityIndicatorWithLabel()
        }
        return Static.instance
    }
    
    var pinchImageView = UIImageView()
    
    public func showProgressView(uiView: UIView) {
        containerView.frame = CGRect(x: 0, y: 0, width: uiView.frame.width, height: uiView.frame.height)
        containerView.backgroundColor = UIColorFromHex(0xffffff, alpha: 0.80)
        let imageData = NSData(contentsOfURL: NSBundle.mainBundle().URLForResource("loadingSpinnerJeenees", withExtension: "gif")!)
        let animatedImage = UIImage.gifWithData(imageData!)
         pinchImageView = UIImageView(image: animatedImage)
        pinchImageView.frame = CGRect(x: 0.0, y: 0.0, width: 100.0, height: 100.0)
//        pinchImageView.center = CGPointMake(30.0, 30.0);
        progressView.frame = CGRectMake(0, 0, (pinchImageView.frame.size.width), 60)
        progressView.center = uiView.center
        progressView.addSubview(pinchImageView)
        containerView.addSubview(progressView)
        uiView.addSubview(containerView)
    }
    
    public func hideProgressView() {
        activityIndicator.stopAnimating()
        pinchImageView.removeFromSuperview()
        activityIndicator.removeFromSuperview()
        progressView.removeFromSuperview()
        containerView.removeFromSuperview()
       
    }
    
    public func UIColorFromHex(rgbValue:UInt32, alpha:Double=1.0)->UIColor {
        let red = CGFloat((rgbValue & 0xFF0000) >> 16)/256.0
        let green = CGFloat((rgbValue & 0xFF00) >> 8)/256.0
        let blue = CGFloat(rgbValue & 0xFF)/256.0
        return UIColor(red:red, green:green, blue:blue, alpha:CGFloat(alpha))
    }
}
 

 ActivityIndicatorWithLabel.shared.showProgressView(view)
 

 ActivityIndicatorWithLabel.shared.hideProgressView()