NSManagedObjectContextObjectsDidChangeNotification錯誤

Question

如何處理NSManagedObjectContextObjectsDidChangeNotification錯誤發生atmanagedObjectContext save:&error。

Answer 1

如果您正在使用NSPrivateQueueConcurrencyType 或使用concurrencytypemainqueue

//asyncrhonous 

[self.managedObjectContext performBlock:^{ 
//do stuff with the context 
}]; 

//syncrhonous 
[self.managedObjectContext performBlockAndWait:^{ 
//do stuff with the context 
}];