16. Building the Main Screen

Welcome to the longest chapter in the book. This chapter is long because it walks you through the process of building the core piece of PhotoWheel. It is not broken into multiple chapters because this core piece focuses on one area: the main screen of the application. This chapter also provides the foundation needed for the remaining chapters. As a reward for completing it, you’ll have a functioning photo app that you can show off to others. If you thought you could work through this chapter over your morning coffee, you might find that it’s time for lunch by the time you have completed it.

To better understand why this chapter is so long—and why it isn’t broken into multiple chapters—here is a list of the things ...

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