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Sams Teach Yourself iOS 6 Application Development in 24 Hours, Fourth Edition by John Ray

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Hour 15. Reading and Writing Application Data

What You’ll Learn in This Hour:

• Good design principles for using application preferences

• How to store application preferences and read them later

• How to expose your application’s preferences to the Settings application

• How to store data from your applications

Most substantial applications, whether on a computer or mobile device, allow users to customize their operation to their own needs and desires. You have probably cursed an application before, only to later find a setting that removes the unholy annoyance, and you probably have a favorite application that you’ve customized to your exact needs so that it fits like a well-worn glove. In this hour, you learn how your iOS application can ...

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