Remove text from Back button keeping the icon

Question

I want to remove the text from the back button, but I want to keep the icon. I have tried

let backButton = UIBarButtonItem(title: \"\", style: UIBarButtonIt         


        

Answer 1

In Xcode 9.2 with Swift, it worked like this:

override func viewWillDisappear(_ animated: Bool) {
   super.viewWillDisappear(true)
   navigationItem.backBarButtonItem = UIBarButtonItem(title: "", style: .plain, target: nil, action: nil)
}