How can I know that editing began on a UITextField that has a UIPickerView as input?

Question

I have a UIPickerView set as the input of a UITextField. How can I know when the user pressed on the UITextField?

I've tried with the TouchDown and EditingDidStart events but they won't trigger.

The code where I link the event to a method is the following

myTextField.addTarget(self, action: #selector(myMethod), for: .<Event>)

Answer 1

Use delegate's method func textFieldDidBeginEditing(_ textField: UITextField) of UITextFieldDelegate

and don't forget to become textfield delegate like yourTextField.delegate = self https://developer.apple.com/documentation/uikit/uitextfielddelegate/1619590-textfielddidbeginediting