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Learning Mobile App Development: A Hands-on Guide to Building Apps with iOS and Android by Michael Eierman, Jakob Iversen

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Summary

Being able to store data in an app is very important to almost all apps. You have seen two important ways to do this in this chapter. Core Data is a very powerful object-oriented wrapper around a persistent data store (SQLite by default), which allows you to store any kind of data in a relatively simple way. In the next chapter, you will see how to retrieve the data and display multiple contact records. You also saw how to store simple pieces of data like that used for the settings in the app. It is common for both these approaches to coexist in the same app.

Along the way you gained some experience with additional user interface controls, allowing you to learn how to use a Picker View and a Switch. Finally, you saw how to set up a class ...

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