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The Responder Chain
== The Responder Chain ==
<google>IOSBOX</google>
In the chapter entitled [[Understanding iPhone iOS 4 Views, Windows and the View Hierarchy]] we spent some time talking about the view hierarchy of an application’s user interface and how that hierarchy also defined part of the application’s responder chain. In order to fully understand the concepts behind the handling of touch screen gestures it is first necessary to spend a little more time learning about the responder chain.

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