extension UIImageView {
    public func imageFromURL(urlString: String) {
        let activityIndicator = self.showActivityIndicator()

        URLSession.shared.dataTask(with: NSURL(string: urlString)! as URL, completionHandler: { (data, response, error) -> Void in

            if error != nil {
                print(error ?? "No Error")
                return
            }
            DispatchQueue.main.async(execute: { () -> Void in
                if let mimeType = response?.mimeType, mimeType == "text/html" {
                    let imageViewHeight = self.frame.size.height
                    let noDataImageViewHeight = floor(imageViewHeight / 5)
                    let noDataImageViewWidth = floor(noDataImageViewHeight * 0.9)
                    self.image = UIImage(named:"nodata-file")?.resizeImage(targetSize: CGSize(width: noDataImageViewWidth, height: noDataImageViewHeight))
                    self.contentMode = .center
                } else {
                    let image = UIImage(data: data!)
                    self.image = image
                }
                activityIndicator.stopAnimating()
            })

        }).resume()
    }
}