More iCloud Core Data synching woes

So, it finally happened. The worst case scenario for any independent iPhone developer occurred. Several users are reporting complete data loss after upgrading my app. iCloud Core Data sync is not working. My users are using this app partially to run their businesses. This is a truly catastrophic failure. The only iCloud related thing I … Read more

How do I delete a CloudKit container?

I accidentally created a new container in CloudKit, and it is really annoying that it comes up when I open dashboard. Any suggestion how to delete? On I don’t see a delete button for containers. Answer Apple’s iOS CloudKit documentation: Enable iCloud and Select CloudKit Important: When you select CloudKit, Xcode creates a default … Read more

iCloud and GEOResourceManifestServerRemoteProxy: Lost connection to geod warning

I am testing my app that uses iCloud. Sometimes, when I fire up the app I get the following warning in the console: GEOResourceManifestServerRemoteProxy: Lost connection to geod Once I get this warning I don’t seem to get any data from iCloud. I have tried searching this issue, but have found very little information on … Read more

CoreData + iCloud + Cascade Delete – how to handle?

CoreData Entity “A” has a one-to-many relationship to a collection of CoreData Entries “B”, using a Cascade delete rule. In an iCloud environment, while device 1 shows a detail view of one of the “B” entries, device 2 deletes the “A” entry. When the NSPersistentStoreDidImportUbiquitousContentChangesNotification notification is received in device 1, its App Delegate calls … Read more

iCloud basics and code sample [closed]

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iOS Cloud Providers

I’ve noticed that 3rd party cloud providers are not what I consider to be first-class citizens. For example, I can’t specify a Dropbox folder as the Safari download folder. Nor can I link a folder from Dropbox into one of the text editor apps ( Both of these I can do with iCloud Drive. Is … Read more

How to force Photos to release space for an iCloud backed library?

I have migrated my 200 gigabyte Photos library to iCloud on my Mac. Works very well. I then created a new, empty library on the Mac and let Photos copy the whole iCloud contents locally on the Mac. Now I need the space locally, so I would like Photos to undo the local copying only … Read more