iOS 11 inputAccessoryView broken
问题 I have the following set up for my UIToolBar / Accessory View on a view controller @IBOutlet var inputFieldView: UIToolbar! override var canBecomeFirstResponder: Bool{ return true } override var inputAccessoryView: UIView?{ return self.inputFieldView } then inside my viewDidLoad I have: let seperator = UIView(frame: CGRect(x:0 , y: 0, width: ScreenSize.width(), height: 1)) seperator.backgroundColor = UIColor.lightBackground self.inputFieldView.addSubview(seperator) self.inputFieldView