Sams Teach Yourself Xcode® 4 in 24 Hours

Hour 17. Attaching Big Data: Using Core Data in Your Applications

What You’ll Learn in This Hour:

• The terminology of Core Data

• How to create Core Data models

• How to access Core Data through Managed Objects

• How to Bind OS X interfaces to Core Data entities

Way back in Hour 3, “Understanding the MVC Design Pattern,” you learned about the model-view-controller design pattern as we walked through an application (Library) that demonstrated the principles of this pattern. That example showed a Core Data model that provides data to the views within an iOS application—linking authors with their books.

Why, now, are we returning to Core Data for an hour’s lesson? Because your authors believe that Core Data—although a large topic—is important ...