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The app which I am developing uses the user's iCloud account to fetch their first name, but I would like to add their Memoji as their default profile 'pic.' Name is retrieved as follows:
if let name = returnedIdentity?.nameComponents?.givenName {
self?.userName = name
}
Any help is greatly appreciated :)
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Anyone know how to load a large number of records into the CloudKit public database?
I need to load 1.2million records (about 150Mb) into the public database. no binary data. basically just a bunch of exchange rates that I need to have available to all my users.
I've been trying for months. have tried:
loading into core data on a device or simulator individually or in batches ranging from 400 records to 2500 (more than that exceeds batch size limits). it will start to sync and then stop. can often get it to restart by restarting device or similator but will eventually corrupt the database in iCloud requiring a reset of the environment. generally can get the load to go for a few days and load maybe 500k records before it breaks. to do that have to put delays up to a minute between batches loaded into core data.
have tried doing it using the CloudKit.js framework and loading from a server. this works for a small number of records. but limits are really small doing it through that interface. after a while it locks you out. don't get anywhere near the number of records I need to load.
I'm stuck. has anyone found a way?
same issue on all versions of iOS - 14, 15, 16b1
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Hi,
any side effect to be aware of when changing a core data relationship delete rule from Null to Cascade? I NSPersistentCloudKitContainer to handle CloudKit sync in case that's relevant.
It doesn't look like any migration is required, and the cloudkit schema doesn't change so it seems there's nothing to do on the cloudkit-side either. However I'd prefer to double check to avoid making false assumptions.
I wasn't able to find any documentation on that particular point so if someone can shade some light on how things work under the hood that would be appreciated.
Thanks!
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I am trying to add CloudKit sharing to my app using the new iOS 15 share method
https://developer.apple.com/documentation/coredata/nspersistentcloudkitcontainer/3746834-sharemanagedobjects
In the app there are 3 core data entities (Folder, Item, Comment) with the following relationships:
A Folder contains many Items
An Item has many Comments
I want to use CloudKit to share just the Item entity, not any of its relationships. Is this possible to do with the share(_:to:completion:) method?
Currently, when I pass an Item to the share method it also includes the Folder and Comments in the CKShare. How do I prevent this?
A similar question was posted here with no response: https://developer.apple.com/forums/thread/697630
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What would happen if I add an index to a record type in development that isn't there in production, then I deploy the development into production?
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What is createdUserRecordName record type metadata used for?
I can't find any information on it. I see it in CloudKit dashboard for every record type.
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Xcode 14 beta 1 is yelling at me that CKNotification initializer should return a non-optional value. This happens only AFTER letting Xcode upgrade my project settings.
The change that the upgrade project settings made was it merged my WatchKit and WatchKit extension targets into a single watch app target.
After doing so, this code will not compile which I know to be good.
// This line fails to compile with '
if let notification = CKNotification(fromRemoteNotificationDictionary: userInfo) {
// Do something
}
Compile error: "Initializer for conditional binding must have Optional type, not 'CKNotification'"
Feedback w/ sysdiagnose:
FB10282805 - watchOS / CloudKit: CKNotification doesn't return optional, xcode build failing after updating project settings for Xcode 14
I could not reproduce this in a sample application. I tried making a standalone watch app with Xcode 13, upgrading the project file with Xcode 14 beta, and then creating a CKNotification object--but that worked fine. :/
I'm working on hooking up a Multiplatform app with CloudKit (using CoreData) and I was wondering if anyone knows any current tutorials to help me understand the process better?
I was trying to wrap my head around the WWDC 2022 tutorial CoreDataCloudKitDemo but it isn't SwiftUI and I'm getting bogged down by the non-relevant code.
Thanks everyone :)
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I have this error:
[AXRuntimeCommon] AX Lookup problem - errorCode:1100 error:Permission denied portName:'com.apple.iphone.axserver' PID:963
It is preceded by lots of this message, if it matters:
[Assert] +[UIInputViewSetPlacementInvisible placementWithPlacement:]: Should not be called with an invisible placement
I thought it was because I didn't include a key in Info.plist, but I put keys in there that I thought might be needed.
I am using CloudKit sharing and silent push notifications for CloudKit subscriptions, and the Apple documentation says when I set the capabilities for background fetch and remote notifications, the keys would be put in Info.plist by Xcode.
Does this have anything to do with the fact that when my app is run for the first time it asks the user for permission to send notifications. If it's a silent notification that I'm using, I thought the documentation meant the user is not notified at all?
I have searched on the internet and on stack overflow and in Apple developer forums for a solution. Any help will be appreciated.
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Is there any way to run code in iOS whenever new information are added to certain contacts in contact store?
If I use Notifications, I would have to have a process running at all times, since contacts are able to be changed by Apple's Contacts app. I have looked at App Extensions and there are no extensions I that can be used.
There is a way to run a background process but I recall that has a limited lifespan. Am I correct about this?
I need to update data in CloudKit that saves contacts information that can be shared with other users using their own Apple ID's. CloudKit subscriptions notify my app when something changes in CloudKit, but I also need to update records in CloudKit when something changes in Contacts.
Anyone have any ideas how this might possibly be done?
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Hey everyone!
I'm starting a new Multiplatform application with Core Data and CloudKit checked off. Before continuing I want to make sure the data is persisting between devices BUT can't figure out how to test that with the simulator. I can run the app on my Mac (under my apple account), can't run it on my phone (didn't download the beta), and when I try to log into the simulator with my Apple ID it gives me a "Verification Failed - An unknown error occurred". How do you test synced data between simulated devices???
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I want to add Core Data/CloudKit data persistence to my app. Currently my app only uses local on device @AppStorage. Looking for best approach to bring in @FetchRequest functionality for my views, and tie my model data into Core Data and CloudKit.
In my app currently (without Core Data) my content view has an instance of my view model (separate file) accessed using an Environment Object. I use local @AppStorage persistence. See below for my Current app architecture:
In my lab this week, i got suggestions that I can modify my app structure to incorporate Core Data + CloudKit. Would the following structure work?:
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I use NSPersistentCloudKitContainer to synchronize data between iOS and macOS. After installing the app, it takes long (sometimes up to an hour) for all data to become available. Related to this, I have a few questions:
Synchronization seems only to take place when the app runs in the foreground. Is there a way to keep the app synchronizing when it is brought to the background? I have enabled remote notifications and use registerForRemoteNotifications in my app delegate (via UIApplicationDelegateAdaptor). I haven't yet experimented with background processing. Should I do that, and can you point me to some references?
Is there a way to check whether the local-stored data matches what's available on the server? E.g. checking whether a (local-stored) NSPersistentHistoryToken matches the latest NSPersistentHistoryToken on the server. Internally NSPersistentCloudKitContainer knows, as I can see log events popping up saying that there are no new data to mirror. I would like to know this to inform the user that synchronization still takes place. Currently, users are complaining about missing data, which is just not available yet.
Thanks!
I found out that for some reason, /Library/Developer/CoreSimulator/Volumes/watchOS_20R5287q/Library/Developer/CoreSimulator/Profiles/Runtimes/watchOS 9.0.simruntime/Contents/Resources/RuntimeRoot/usr/lib/swift/libswiftCloudKit.dylib is not a file, but a symlink to /System/Library/Frameworks/CloudKit.framework/CloudKit - which is a folder, not a file, and as a result, any app that uses CloudKit crashes instantly after start on my WatchOS 9 and iOS 16 simulators.
On WatchOS 8.5 and iOS 15.5 sim everything works. Can you confirm if this is a known bug? I tried redownloading the simulators, but the result is same.
Every of our data row, contains an unique uuid column.
Previously, before adopting CloudKit, the uuid column has a unique constraint. This enables us to prevent data duplication.
Now, we start to integrate CloudKit, into our existing CoreData. Such unique constraint is removed. The following user flow, will cause data duplication.
Steps to cause data duplication when using CloudKit
Launch the app for the first time.
Since there is empty data, a pre-defined data with pre-defined uuid is generated.
The pre-defined data is sync to iCloud.
The app is uninstalled.
The app is re-installed.
Launch the app for the first time.
Since there is empty data, a pre-defined data with pre-defined uuid is generated.
Previous old pre-defined data from step 3, is sync to the device.
We are now having 2 pre-defined data with same uuid! :(
I was wondering, is there a way for us to prevent such duplication?
In step 8, we wish we have a way to execute such logic before written into CoreData
Check whether such uuid exists in CoreData. If not, write to CoreData.
If not, we will pick the one with latest update date, then overwrite
the existing data.
I once try to insert the above logic into https://developer.apple.com/documentation/coredata/nsmanagedobject/1506209-willsave . To prevent save, I am using self.managedObjectContext?.rollback(). But it just crash.
Do you have any idea, what are some reliable mechanism I can use, to prevent data duplication in CoreData CloudKit?
Additional info:
Before adopting CloudKit
We are using using the following CoreData stack
class CoreDataStack {
static let INSTANCE = CoreDataStack()
private init() {
}
private(set) lazy var persistentContainer: NSPersistentContainer = {
precondition(Thread.isMainThread)
let container = NSPersistentContainer(name: "***", managedObjectModel: NSManagedObjectModel.wenote)
container.loadPersistentStores(completionHandler: { (storeDescription, error) in
if let error = error as NSError? {
// This is a serious fatal error. We will just simply terminate the app, rather than using error_log.
fatalError("Unresolved error \(error), \(error.userInfo)")
}
})
// So that when backgroundContext write to persistent store, container.viewContext will retrieve update from
// persistent store.
container.viewContext.automaticallyMergesChangesFromParent = true
// TODO: Not sure these are required...
//
//container.viewContext.mergePolicy = NSMergeByPropertyObjectTrumpMergePolicy
//container.viewContext.undoManager = nil
//container.viewContext.shouldDeleteInaccessibleFaults = true
return container
}()
Our CoreData data schema has
Unique constraint.
Deny deletion rule for relationship.
Not having default value for non-null field.
After adopting CloudKit
class CoreDataStack {
static let INSTANCE = CoreDataStack()
private init() {
}
private(set) lazy var persistentContainer: NSPersistentContainer = {
precondition(Thread.isMainThread)
let container = NSPersistentCloudKitContainer(name: "***", managedObjectModel: NSManagedObjectModel.wenote)
container.loadPersistentStores(completionHandler: { (storeDescription, error) in
if let error = error as NSError? {
// This is a serious fatal error. We will just simply terminate the app, rather than using error_log.
fatalError("Unresolved error \(error), \(error.userInfo)")
}
})
// So that when backgroundContext write to persistent store, container.viewContext will retrieve update from
// persistent store.
container.viewContext.automaticallyMergesChangesFromParent = true
// TODO: Not sure these are required...
//
//container.viewContext.mergePolicy = NSMergeByPropertyObjectTrumpMergePolicy
//container.viewContext.undoManager = nil
//container.viewContext.shouldDeleteInaccessibleFaults = true
return container
}()
We change the CoreData data schema to
Not having unique constraint.
Nullify deletion rule for relationship.
Having default value for non-null field.
Based on a feedback of a Developer Technical Support engineer from https://developer.apple.com/forums/thread/699634?login=true , hen mentioned we can
Detecting Relevant Changes by Consuming Store Persistent History
Removing Duplicate Data
But, it isn't entirely clear on how it should be implemented, as the github link provided in broken.
I'm getting ready to release a new app that uses CloudKit. I just deployed my Development schema to Production in CloudKit dashboard.
Is there a way to run my app from Xcode using the CloudKit Production environment for testing? Details of how to test in the production environment are described here: https://developer.apple.com/library/archive/documentation/DataManagement/Conceptual/CloudKitQuickStart/TestingYourApp/TestingYourApp.html
But would be faster (and easier for debugging potential issues) if I could select tell Xcode to use the production environment when running from the debugger. Is this supported?
Thanks
Hello,
I want to create an app that I’ll be the only one that uses it.
Since apple requires 99$ a year for deployment,
Is there a free way of running my app on my iPhone?
The plan is to use Apple’s CloudKit with swift UI.
If there is no free way to deploy the app for myself only,
what would be your suggestion then ?
Thanks
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When I add or remove records to a share's hierarchy using CKModifyRecordsOperation, do I need to include the share in the recordsToSave argument of one of the convenience initializers or the property recordsToSave property?
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Have a simple, or what I think is simple view, that includes the below code
struct ContentView: View {
@StateObject var coordinator = Coordinator()
var body: some View {
if coordinator.sharedAlbumPermission {
sharedAlbumView()
} else {
permissionToAlbumView()
}
}
My app has permission already for "All Photos".
The issue I am running into is that the "permissionToAlbumView()" displays for about 5 seconds before "sharedAlbumView()" displays.
When I change permission to "None" I only see "permissionToAlbumView()". When I update in settings then switch to my app the "sharedAlbumView()" displays right away.
Not sure why "permissionToAlbumView()" would display when permission is already given. I think the issue that the .sharedAlbumPermission is giving wrong value first and then updating but I could be wrong. If there is another and better way to code this I would greatly appreciate as new to Swift.
Have tried onAppear and onDisappear but does not seem to work either.
The com.apple.developer.icloud-container-environment provides the option to set "the development or production environment to use for the iCloud containers."
My app uses Core Data, and I have implemented NSPersistentCloudKitContainer. When I am not working on schema changes, I would like my local development builds to still access the production Core Data store. However, setting this entitlement to "Production" has not produced this result... the container is still listed as 'Staging' and I can see in the CloudKit Console that the Development container is being used.
Does this entitlement only apply to direct use of CloudKit, and not to NSPersistentCloudKitContainer? If it doesn't apply to the latter, is there another way to direct NSPersistentCloudKitContainer to use the Production container?
This is an iOS app though I am beginning work on a macOS version and would like to be able to do this in both environments.
