iOS Components and Frameworks: Understanding the Advanced Features of the iOS SDK

Inserting a New Managed Object

In the sample app, view the Movies tab. To insert a new movie, the user can tap the Add button in the navigation bar. The Add button is wired to perform a segue to the ICFMovieEditViewController. In the segue logic, a new movie managed object is inserted into Core Data, and the new movie’s object ID is passed to the edit movie view controller. This approach is used in the sample app to prevent having logic in the edit view controller to handle both creating new managed objects and editing existing managed objects; however, it would be perfectly acceptable to create the new movie managed object in the edit view controller if that makes more sense in a different app.

To create a new instance of a movie managed object, ...