Refresh NSManagedObjectContext
问题 I am writing a WatchKit extension for an iPhone application. I share Core Data using App Groups. This is working, the data is shared. When a new NSManagedObject is created using watch I send a notification to the iPhone app that a new object was created. To do that I use MMWormhole . The iPhone app receives the MMWormhole notification and now I have to do the last step - refresh NSManagedObjectContext . How can I do it? I was trying to forward notification of