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first-responder

Responder actions and responder chain


I am relatively new to IPhone coding, although I have reached the point of working on a genuine (hopefully) saleable app.

But one thing that is still mysterious is the responder chain. All the books give passing reference to it, but I have not found one yet that describes how to modify that chain. Another curiosity is that, when the First Responder icon is clicked in the IB, a little hookup box comes up with all sorts of choices to hook up to something, but I've never found any explanation of that.

Does anyone know of an in-depth explanation of this responder process?


Solution

  • Here's Jeff Lamarches explanation of the responder chain. While not at all exhaustive, it should get you thinking on the right track.