Add 'Done' button to keyboard using UI Toolbar - swift

Question

I have text views that I want to be able to have a done button. I have added a UI toolbar and connected it as an outlet plus IB action for the done button
The toolbar is not showing up? what have I missed?
func textFieldShouldBeginEditing(_ textField: UITextField) -> Bool {
ingredientsTextField.inputAccessoryView
= keyboardToolbar
return true
}
#IBAction func didClickDoneButton(_ sender: UIBarButtonItem) {
ingredientsTextField.endEditing(true)
}

Answer 1

May be your creation of toolbar is wrong, check this
func textViewShouldBeginEditing(_ textView: UITextView) -> Bool {
self.addAccessoryView()
return true
}
func addAccessoryView() -> Void {
let toolBar = UIToolbar(frame: CGRect(x: 0, y: 0, width: self.view.frame.size.width, height: 44))
let doneButton = UIBarButtonItem(title: "Done", style: .done, target: self, action: #selector(self.doneButtonTapped(button:)))
let flexibleSpace = UIBarButtonItem(barButtonSystemItem: .flexibleSpace, target: nil, action: nil)
toolBar.items = [flexibleSpace,doneButton]
toolBar.tintColor = UIColor.red
self.textView.inputAccessoryView = toolBar
}
func doneButtonTapped(button:UIBarButtonItem) -> Void {
// do you stuff with done here
}

Answer 2

Your code snippet looks fine! Did you set the delegate for your textfield? If you missed it please set it else func textFieldShouldBeginEditing will not be called!
Please find below working code for your reference,
import UIKit
class ViewController: UIViewController,UITextFieldDelegate {
#IBOutlet weak var textField: UITextField!
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
internal func textFieldShouldBeginEditing(_ textField: UITextField) -> Bool {
let numberToolbar = UIToolbar(frame: CGRect(x: 0, y: 0, width: self.view.frame.size.width, height: 50))
numberToolbar.barStyle = UIBarStyle.default
numberToolbar.items = [
UIBarButtonItem(title: "Cancel", style: UIBarButtonItemStyle.plain, target: self, action: Selector(("cancelNumberPad"))),
UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.flexibleSpace, target: nil, action: nil),
UIBarButtonItem(title: "Done", style: UIBarButtonItemStyle.plain, target: self, action: Selector(("doneWithNumberPad")))]
numberToolbar.sizeToFit()
textField.inputAccessoryView
= numberToolbar
return true
}
#IBAction func didClickDoneButton(_ sender: UIBarButtonItem) {
textField.endEditing(true)
}
#IBAction func buttonClick(_ sender: Any) {
textField.endEditing(true)
}
}