O'Reilly logo

Core Data for iOS: Developing Data-Driven Applications for the iPad, iPhone, and iPod touch by Tom Harrington, Tim Isted

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 5. Using NSFetchedResultsController

In Chapter 4, “Basic Storing and Fetching,” you saw how to fetch objects from the persistent store using an instance of NSFetchRequest. You created an application that displayed fetched objects in a table view; each time a new object was added, the fetch request was executed again in order to refresh the values to display. This is clearly not an efficient way to display large numbers of objects—having to re-fetch the data and refresh the entire table view any time information is changed could cause ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required