NSFetchedResultsControllerDelegate不会触发fetchedResultsController

Question

我有UITableViewController

@interface ListViewController : UITableViewController <NSFetchedResultsControllerDelegate>

...

@end

但它不会触发-(NSFetchedResultsController*)fetchedResultsController。

Answer 1

@interface ListViewController : UITableViewController<NSFetchedResultsControllerDelegate> ... end

协助代表