How do Responder Chain Works in IPhone? What are the “next responders”?

Question

This is what the documentation says:

If the first responder [to an event or action message] cannot handle an event or action message, it forwards it to th

Answer 1

Apps receive and handle events using responder objects.

A responder object is any instance of the UIResponder class,

• common subclasses include

  UIView, UIViewController, and UIApplication.

Responders receive the raw event data and must either handle the event or forward