iCloud is a web service from Apple Inc. that allows users to store data such as music files and automatically sync them between multiple devices such as: iPhones, iPods, iPads, and personal computers. Note that iCloud is a different API than Apple's CloudKit service.
Questions tagged [icloud]
2716 questions
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GKLocalPlayer fetchSavedGamesWithCompletionHandler returns 0 games on installation
I can save my game and also fetch it but if I uninstall the game and then install it again, the call to fetchSavedGamesWithCompletionHandler returns 0 games (even if I call it several times). And if I call it again after some few seconds, the…

Zansin
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CloudKit and Core sync data between devices
I created a simple Notes app based on Core data. Now i want add sync between user devices.
And all articles that i read (this, this) said that i should fully get rid of my core data database, and all my code will lost and rework all with ICloud…

Arti
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Add the “iCloud containers” entitlement to your App ID
I am trying to fix this issue for hours now.
I have checked the App ID and confirmed the iCloud containers.
Also i have entered the same in the app entitlements.
But there is a always a red mark before "Add the “iCloud containers” entitlement to…

Danboz
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Open iCloud Drive in iOS app
I want to allow document(pdf, doc, docx) selection in my app. And I want to integrate iCloud for this. All I want to do is to open the iCloud drive from my app and there user can select the file and returns back to the origin app. Something like…

Rohitax Rajguru
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“Couldn't send a valid signature” error when using CloudKit without iCloud account
I have submitted an iOS app that uses CloudKit to Apple. It's being rejected because it requires user to sign into iCloud for access. Apple's reasoning is that even without iCloud sign-in, the public database is still readable. So that part of the…

Cakelly
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Is there a limit to the number of CKReferenced records in CloudKit?
I am trying to store groups of contacts in CloudKit, and I am getting an error back if I try to create a large group of records, CKReferenced to a single group record.
The limit appears to be around 700 or so records.
Has anyone else seen a…

Peter Johnson
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iCloud & Core Data - "Path is outside of any CloudDocs container, will never sync"
So I have been trying to sync data between two iDevices using Core Data & iCloud for a few weeks. Apple's documentation from 2012/2013 is written in Objective-C and is not very detailed.
I have attempted converting it to Swift 2.0 for iOS9. First I…

RileyDev
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3 answers
Reset CloudKit Discoverability Permission
I'm testing code that requests discoverability via CloudKit:
CKContainer.defaultContainer().requestApplicationPermission(CKApplicationPermissions.PermissionUserDiscoverability, completionHandler: { (status:CKApplicationPermissionStatus,…

Tom Harrington
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What causes iOS iCloud error: Error Domain=BRCloudDocsErrorDomain Code=12 "The operation couldn’t be completed." Retrying after delay: 60
The iPhone/iOS app is using CoreData + SQLite (NSSQLiteStoreType) + iCloud iOS. When the app starts on first install (or after deleting and reinstalling via xcode), and there is prior app data in iCloud from a prior installation or from other…

Bill Bunting
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iCloud UIDocumentPicker crashes intermittently and hangs
Issue:
When choosing a document from iCloud the application randomly crashes, for most of the time the following code will work, but on rare occasions it will fail.
I have enabled iCloud entitlement in the app and can't seem to find the reason why…

AJ9
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How do I tell iOS to download a file from iCloud Drive and get progress feedback
I am using the UIDocumentPicker to select a file but if it's large it can take a while to open and that is not a particularly good experience for users.
I have looked at the iCloud programming guide from Apple and I cannot seem to figure out how to…

Weston
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1 answer
How do I check if user can login to CloudKit?
Can I use the same way I check for iCloud availability or is there some other way of checking for CloudKit availability?

ninjaneer
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Keychain Data Not Storing in iCloud
I am using the keychain to store data on the local device but have decided to adapt it for use over multiple devices via iCloud. I have enabled the iCloud entitlement and created the necessary configuration within the Member Center. However, while…

C6Silver
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iCloud Integration for uploading and downloading files
I want to design an app which stores documents on iCloud. But there are some question which has answer before doing actual implementation.
The question are as follows,
What is maximum file size to upload on iCloud?
Can I programmatically…

Vijay
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4 answers
iCloud sync keychain
In my app, I want to be able to sync a configuration that gets created by the user. I wanted to use iCloud to sync that configuration so that it is always the same on all devices. But, I use the keychain to store the password.
Is there a way to…

Nic Hubbard
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