Swift 3 Transparent UINavigationBar

UINavigationBarExtensions.swift

//
//  UINavigationBarExtensions.swift
//  TransparentNavigationBar
//  
//  @see http://stackoverflow.com/questions/30545663/transparent-uinavigationbar-in-swift#30545730
//  Created by Marco on 17/03/2017.
//  Copyright © 2017 Marco Marengo. All rights reserved.
//
import UIKit

extension UINavigationBar {
    
    func makeTransparent() {
        self.setBackgroundImage(UIImage(), for: .default)
        self.shadowImage = UIImage()
        self.isTranslucent = true
    }
}