simple function for customNavigationTitleView with imageview

customNavigationBarTitleViewFunction.swift

func setupCustomTitleViewAndCleanTitle(toTheNavigationItem theNavigationItem: UINavigationItem){
    let titleView = UIView(frame: CGRect(x: 0, y: 0, width: 128, height: 44))
    //Customizing Navigation Bar
    // 3
    let imageView = UIImageView(frame: CGRect(x: 0, y: 0, width: 128, height: 44))
    imageView.contentMode = .ScaleAspectFit
    // 4
    let image = UIImage(named: "nav_logo")
    imageView.image = image
    // 5
    titleView.addSubview(imageView)
    theNavigationItem.titleView = titleView
    theNavigationItem.title = ""
}