TL;TR Log into http://www.icloud.com and agree to the terms. It works. But there are some additional steps needed: At work I tried with my new apple id: at work XYZ@mywork.com. At first It didn’t work even though I was able to access iOS dev center. I realised that it is required to access to http://www.icloud.com … Read more
I realize that you asked this back in March, but according to this it can happen when a login (like a connection to FB) has timed out. If you do a stacktrace and see , then this should help. And here is the code for that interface, if that’s helpful.
From experience, listening to notifications other than NSManagedObjectContextDidSaveNotification is a big mess and can lead to relying on properties not yet updated. The detail view controller should listen to NSManagedObjectContextDidSaveNotification notifications, which are thrown after cascade is applied. You can then check by several means if the current object is valid or not (you can … Read more
I just re-read the docs and it appears that my general approach is wrong. I should first create the file in the sandbox and then move it to the cloud. In other words, Apple seems to suggest that I should have three versions of the same file at all times: one in the directory of … Read more
It’s like this: Core Data on its own, is completely local and does not automatically work with any of Apple’s cloud services. Core Data with iCloud enabled turns on syncing via iCloud. Any changes you save in Core Data are propagated to the cloud, and any changes made in the cloud are automatically downloaded. The … Read more