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== Understanding View Controllers in a Multiview Application ==

In preceding chapters we have talked about the model-view-controller concept in relation to each view having its own view controller (for additional information on this read the chapter entitled [[An Overview of the iPhone iOS 4 Application Development Architecture (Xcode 4)|An Overview of the iOS 4 iPhone Application Development Architecture]]). In a multiview application, each content view will still have a view controller associated with it to handle user interaction and display updates. Multiview applications, however, require an additional controller.