That was nine chapters of pretty intense material. You will probably (and quite rightly) be proud of your achievements so far. From now on, everything you learn will be built upon a solid foundation that has already enabled you to get an app submitted to Apple's App Store.
This chapter is concerned with the many possible avenues that are available to you to deepen and broaden your programming skills, to make the most of the valuable time you spend coding, and to give your app the best possible chance of achieving its potential once it has been released to the world at large.
In this final chapter we will cover the following topics:
Advanced custom navigation
Using the Code Snippets Library
Post release improvement and maintenance
Program design and programming paradigms
Using the command line
Using Xcode's tools
Git and version control
Useful utility apps and essential resources