Possible Duplicate:
Adding Core Data to existing iPhone project
how can I add core data into an existing iOS project? I added the data model file, created the data models from it and added the three properties into my app delegate all into my existing(!) project. I also added CoreData into the frameworks.
In my app delegate's didFinishLaunching-method I call [self managedObjectContext], but it returns nil. I guess I have to override the getter methods and load my data model from there? How do I do that?