iPhone® Application Development All-In-One For Dummies®

Chapter 4. Creating Controllers and Model Classes

In This Chapter

• Taking another look at model objects

• Taking advantage of reusable view controllers and models

• Accessing data on the Internet

• Saving and reading files

Getting the framework (no pun intended) in place for a new iPhone application is certainly a crucial part of the development process, but in the grand scheme of things, it's only the spadework that prepares the way for the really cool stuff. After all is said and done, you still need to add the content that the users will see or interact with. Content is, after all, the reason they bought this application.

The last couple of chapters have been about creating an application structure, but this chapter moves on to Content views and how to implement them. Content views display the information that the user is after when he or she is using the app.

This whole implementation thing is actually less difficult than it sounds. The real key to creating an extensible application — one where you can easily add new views — is the program architecture. When you have a table view in place, you have the structure necessary for navigation in your application. With that navigation architecture — along with the Model-View-Controller pattern I've been touting all along in this and other minibooks — the actual business of creating the views, view controllers, and the model necessary for your app turns out to be somewhat pedestrian. You do more or less the same thing over again for each new Content ...