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

You can create an array of text fields [UITextField] or an outlet collection. Let's call the array textFields or something like that.

doneBarButton.isEnabled = !textFields.flatMap { $0.text?.isEmpty }.contains(true)

And call the code above in a method that monitors text field's text changes.