Enable a button in Swift only if all text fields have been filled out

Question

I am having trouble figuring out how to change my code to make it so the Done button in the navigation bar is enabled when my three text fields are filled out.

I cur

Answer 1

This works for me: Hope it helps

  func textFieldDidEndEditing(textField: UITextField) {
        if txtField1.hasText() && textField2.hasText() && textField3.hasText(){
            doneBarButton.enabled = true
        }
    }