iPad Application Development For Dummies, 3rd Edition

Creating the Application Architecture

At a basic level, the RoadTrip application is made up of the following:

Models: Model objects encapsulate the “application” logic and content (data) of the application.

Views: Data content is useless if your user never sees it. Views are the windows to your content — the pathway to the user experience — and it’s up to you to decide what information to display and how to display it. Part of the decision will involve what kind of view best serves your content. (Xcode offers you a number of different ways to display both information and navigation choices.)

View controllers: View controllers manage the user experience. They connect the views that present the user experience with the models that provide the necessary content. View controllers also manage the way the user navigates the application.

The MVC (Model-View-Controller) model is pretty much the basis for all iPad application development projects. I explain MVC in more detail in the “The Model-View-Controller (MVC) design pattern” section, later in this chapter. The trick here is to come up ...