title: How do Responder Chain Works in IPhone? What are the "next responders"?
body: <p>This is what the documentation says:</p>
  
  <blockquote>
    <p>If the first responder [to an event or action message] cannot handle an event or action message, it forwards it to the “next responder” in a linked series called the responder chain. The responder chain allows responder objects to transfer responsibility for handling an event or action message to other objects in the application.</p>
    
    <p>If an object in the responder chain cannot handle the event or action, it resends the message to the next responder in the chain. The message travels up the chain, toward higher-level objects, until it is handled. If it isn't handled, the application discards it.</p>
  </blockquote>
  
  <p>Okay, what is the next responder?</p>
  
  <p>Is it the parent view? The view behind it? How does iOS decide what is the first responder and second responder?</p>