Wednesday, November 11, 2009

Navigation-based Application Core Data Template

Posted by Hidayat Hidayat at 7:35 AM
I've updated the Navigation-Based Core Data Application Xcode project to include a suggested workaround to a problem in NSFetchedResultsController. I believe this problem only existed in SDK 3.0 and was later fixed, but for backwards compatibility, I've added the workaround to the project template for anyone interested in supporting 3.0 users.

As before, unzip and copy the folder to this location, replacing the one that's there:

/Developer/Platforms/iPhoneOS.platform/Developer/Library/Xcode/Project Templates/Application/Navigation-based Application/
Note: I updated the project yet again, at 1:11 pm Eastern time, to deal with a problem with inserting the first object when using a section name key path. Because tables can't have zero sections, this new version checks to make sure before inserting a new section, that it isn't an empty table getting its first row. In that case, the table will already have one section and doesn't need a second. Adding a second in that scenario causes a crash.
Note Again: Another update to the project at 10:21 eastern time on November 11. Fixed a few more issues I found. I hope this will be the last version.
Note Yet Again: I forgot to move the update into the right folder on the web server, so the 10:21 eastern time update actually happened at 10:59. Re-download if you grabbed it between those times.



Thanks to Simon Wolf for catching it

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