Question

我无法将我的CoreData同步到iCloud I Keep在控制台中输入错误说 2015-02-22 23:09:31.229 Newstron[1711:233218] -[PFUbiquitySetupAssistant finishSetupWithRetry:](826): CoreData: Ubiquity: <PFUbiquitySetupAssistant: 0x7fbc6357e580>: Retrying after delay: 60 Error Domain=NSCocoaErrorDomain Code=134080 "The operation couldn’t be completed. (Cocoa error 134080.)" UserInfo=0x7fbc637794f0 {Reason=Didn't get a container URL back from URLForUbiquityContainerIdentifier:, giving up now. Please ensure the application is signed with the proper entitlements to read from the container., NSPersistentStoreUbiquitousContainerIdentifierKey=null}

我已经在AppDelegate.swift中找到了代码

// MARK: - Core Data stack
func observeCloudActions(persistentStoreCoordinator psc: NSPersistentStoreCoordinator?) {
    // iCloud notification subscriptions
    let nc = NSNotificationCenter.defaultCenter();
    nc.addObserver(
        self,
        selector: "storesWillChange:",
        name: NSPersistentStoreCoordinatorStoresWillChangeNotification,
        object: psc);

    nc.addObserver(
        self,
        selector: "storesDidChange:",
        name: NSPersistentStoreCoordinatorStoresDidChangeNotification,
        object: psc);

    nc.addObserver(
        self,
        selector: "persistentStoreDidImportUbiquitousContentChanges:",
        name: NSPersistentStoreDidImportUbiquitousContentChangesNotification,
        object: psc);

    nc.addObserver(
        self,
        selector: "mergeChanges:",
        name: NSManagedObjectContextDidSaveNotification,
        object: psc);
}

func mergeChanges(notification: NSNotification) {
    NSLog("mergeChanges notif:\(notification)")
    if let moc = managedObjectContext {
        moc.performBlock {
            moc.mergeChangesFromContextDidSaveNotification(notification)
            self.postRefetchDatabaseNotification()
        }
    }
}

func persistentStoreDidImportUbiquitousContentChanges(notification: NSNotification) {
    self.mergeChanges(notification);
}

// Subscribe to NSPersistentStoreCoordinatorStoresWillChangeNotification
// most likely to be called if the user enables / disables iCloud
// (either globally, or just for your app) or if the user changes
// iCloud accounts.
func storesWillChange(notification: NSNotification) {
    NSLog("storesWillChange notif:\(notification)");
    if let moc = self.managedObjectContext {
        moc.performBlockAndWait {
            var error: NSError? = nil;
            if moc.hasChanges && !moc.save(&error) {
                NSLog("Save error: \(error)");
            } else {
                // drop any managed objects
            }

            // Reset context anyway, as suggested by Apple Support
            // The reason is that when storesWillChange notification occurs, Core Data is going to switch the stores. During and after that switch (happening in background), your currently fetched objects will become invalid.

            moc.reset();
        }

        // now reset your UI to be prepared for a totally different
        // set of data (eg, popToRootViewControllerAnimated:)
        // BUT don't load any new data yet.
    }
}

// Subscribe to NSPersistentStoreCoordinatorStoresDidChangeNotification
func storesDidChange(notification: NSNotification) {
    // here is when you can refresh your UI and
    // load new data from the new store
    NSLog("storesDidChange posting notif");
    self.postRefetchDatabaseNotification();
}

func postRefetchDatabaseNotification() {
    dispatch_async(dispatch_get_main_queue(), { () -> Void in
        NSNotificationCenter.defaultCenter().postNotificationName(
            "kRefetchDatabaseNotification", // Replace with your constant of the refetch name, and add observer in the proper place - e.g. RootViewController
            object: nil);
    })
}

lazy var applicationDocumentsDirectory: NSURL = {
    // The directory the application uses to store the Core Data store file. This code uses a directory named "hyouuu.pendo" in the application's documents Application Support directory.
    let urls = NSFileManager.defaultManager().URLsForDirectory(.DocumentDirectory, inDomains: .UserDomainMask)
    return urls[urls.count-1] as! NSURL
    }()

lazy var managedObjectModel: NSManagedObjectModel = {
    // The managed object model for the application. This property is not optional. It is a fatal error for the application not to be able to find and load its model.
    let modelURL = NSBundle.mainBundle().URLForResource("MyAppData", withExtension: "momd")!
    NSLog("modelURL:\(modelURL)")
    return NSManagedObjectModel(contentsOfURL: modelURL)!
    }()

lazy var persistentStoreCoordinator: NSPersistentStoreCoordinator? = {
    // The persistent store coordinator for the application. This implementation creates and return a coordinator, having added the store for the application to it. This property is optional since there are legitimate error conditions that could cause the creation of the store to fail.
    // Create the coordinator and store
    var coordinator: NSPersistentStoreCoordinator? = NSPersistentStoreCoordinator(managedObjectModel: self.managedObjectModel)
    let url = self.applicationDocumentsDirectory.URLByAppendingPathComponent("MyAppData.sqlite")
    NSLog("storeURL:\(url)")
    var error: NSError? = nil
    var failureReason = "There was an error creating or loading the application's saved data."
    if coordinator!.addPersistentStoreWithType(
        NSSQLiteStoreType,
        configuration: nil,
        URL: url,
        options: [NSPersistentStoreUbiquitousContentNameKey : "MyAppName"],
        error: &error) == nil
    {
        coordinator = nil
        // Report any error we got.
        let dict = NSMutableDictionary()
        dict[NSLocalizedDescriptionKey] = "Failed to initialize the application's saved data"
        dict[NSLocalizedFailureReasonErrorKey] = failureReason
        dict[NSUnderlyingErrorKey] = error
        //error = NSError(domain: "Pendo_Error_Domain", code: 9999, userInfo: dict as! [NSObject : AnyObject])
        // Replace this with code to handle the error appropriately.
        // abort() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
        NSLog("AddPersistentStore error \(error), \(error!.userInfo)")
    }

    self.observeCloudActions(persistentStoreCoordinator: coordinator)

    return coordinator
    }()

lazy var managedObjectContext: NSManagedObjectContext? = {
    // Returns the managed object context for the application (which is already bound to the persistent store coordinator for the application.) This property is optional since there are legitimate error conditions that could cause the creation of the context to fail.
    let coordinator = self.persistentStoreCoordinator
    if coordinator == nil {
        return nil
    }
    var managedObjectContext = NSManagedObjectContext(concurrencyType: .MainQueueConcurrencyType)
    managedObjectContext.mergePolicy = NSMergeByPropertyObjectTrumpMergePolicy
    managedObjectContext.persistentStoreCoordinator = coordinator
    return managedObjectContext
    }()

// MARK: - Core Data Saving support

func saveContext () {
    if let moc = self.managedObjectContext {
        var error: NSError? = nil
        if moc.hasChanges && !moc.save(&error) {
            // Replace this implementation with code to handle the error appropriately.
            // abort() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
            NSLog("Unresolved error \(error), \(error!.userInfo)")
        }
    }
}

我不知道问题是什么代码签名看起来一切都正确但我一直得到这个错误我看了Apple Developer Forms没有答案，看上去溢出和谷歌相同没有我的问题的答案。我没有那么多关于那个错误的文档。那么是否有更好的方法来使用iCloud Integration实现CoreData，或者是否有针对此问题的修复程序。 AppDelegate.swift中的代码是我实现iCloud Code的唯一地方。

Answer 1

我也有这个问题通过转到目标/功能并打开iCloud并单击iCloud Documents的复选框来修复它。因为我的声誉太低，无法发布截图。

在Swift中将核心数据保存/同步到iCloud

1 个答案: