The Jungle, Part 9: Core Data

Core Data This post will explore the depths of the Core Data API. Core Data is a technology that manages a complex SQL database, and wraps the C function calls into an object-oriented framework that is much easier to use. This database structure allows you to store complex data objects, and a lot of it—the whole system is incredibly efficient, potentially handling millions of items with ease. We'll create a project that creates, stores and displays a list of random colors. We will look at building the object model and the equivalent classes that result, working with objects in the database, and displaying the results in a table view. Core Data is set up to work seamlessly with the UITableViewDataSource; the data structure is almost completely in place already. Create an empty project in Xcode We'll begin by creating an Empty Application. On the next screen, make sure "Use Core Data" is checked. Use Core Data The "Use Core Data" checkbox mainly does three things—it links in the Core Data framework, creates a data model file, and creates and initializes the Core Data stack.

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Developer Tools,Frameworks,Tutorial,Core Data,iOS,object oriented framework,persistent object store,Xcode