CloudPhotos : Using CloudKit with iOS is an interesting Apple sample project, last updated a year ago, I thought I would blog about some observations I had. The table view controller uses an array of CKRecords for its data. I sort Read more…
So after previous post on analysing the web requests, where we found out the classes involved and sort of when they should be used, we are still clueless as to how to structure our app to enable CloudKit syncing. We know Read more…
Introduction Syncing data across a user’s own devices in a privacy-sensitive way is one of the flagship features of CloudKit. Unfortunately many agree “it isn’t as documented as it might be”, e.g. there is no sync sample from Apple, the Read more…
I was researching the different ways people are implementing the part of MVC where the model notifies the controller about new data. A limitation of the delegate pattern is only one class can be the delegate, for other classes to Read more…
Saw a bunch of posts today on Stack Overflow asking how to implement this: NSArray @property backed by a NSMutableArray Hiding privately mutable properties behind immutable interfaces in Objective-C (my answer) Protect from adding object to NSMutableArray in public interface Having Read more…
Around the web and even in Apple’s WWDC 2015 Advanced NSOperations talk they say: “If we set the max concurrent operation count of an NSOperationQueue to be 1, then we essentially make our NSOperationQueue into a serial operation queue.” Sometimes Read more…
It’s not often you see code as disappointing as this, particularly because CloudKit is so well designed for the situation being described, but it’s actually very common. I think it happens when you have a developer with speciality in one area, Read more…
This post is about my Stack Overflow answer. In Xcode, Window->Devices, choosing a device and clicking the up arrow in the bottom bar brings up the console and this traditionally allowed you to view output from your app when not running in the Read more…
If you attempt to set desiredKeys on a notificationInfo for the new iOS 10 CKRecordZoneSubscription class, saving results in the runtime error: <CKError 0x17424b610: “Invalid Arguments” (12/2006); server message = “cannot add additionalFields to this subscription type”; uuid = 4E08C616-97AA-4E9A-B584-B7972B1CD99B; container ID = “iCloud.com.x”> Read more…
Here are some references from around the web on how to implement CloudKit syncing. It will be added to… 9th August 2017 In the Build Better Apps with CloudKit Dashboard WWDC 2017 video at 4:30 Dave Browning presents a ToDo Read more…
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