Factory method to capture view's screenshot and return a UIImage object

UIImageExtensions.swift

import UIKit

extension UIImage {
    public class func imageWithScreenshotFromView(view: UIView) -> UIImage! {
        UIGraphicsBeginImageContextWithOptions(view.bounds.size, false, UIScreen.mainScreen().scale)
        view.drawViewHierarchyInRect(view.bounds, afterScreenUpdates: true)
        let image: UIImage = UIGraphicsGetImageFromCurrentImageContext()
        UIGraphicsEndImageContext()
        return image
    }
}