How do I get the return key to perform the same action as a button press in Swift?

Question

I want to know how you allow an action to be made by either pressing the return key on the software keyboard or by tapping a UIButton.

The UI button is already set u

Answer 1

UPDATE

If your deployment target is iOS 9.0 or later, you can connect the “Primary Action Triggered” event of your text field to an action, like this:

ORIGINAL

Make your view controller adopt the UITextFieldDelegate protocol.

Set your text field's delegate to your view controller.

Implement textFieldShouldReturn: to call your action.