NSManagedObjectContextObjectsDidChangeNotification错误

Question

如何处理NSManagedObjectContextObjectsDidChangeNotification发生atmanagedObjectContext save:&error错误。

Answer 1

如果您使用的是NSPrivateQueueConcurrencyType 或使用concurrencytypemainqueue

//asyncrhonous

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

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