I spent days checking out everything to no avail. Both devices using the same
iCloud account, entitlements and provisioning profile in order, code correct,
waiting patiently for a notification: nada. In total frustration I powered off
both devices and restarted them.
Voilà!
Now I'm getting notifications consistently, and reasonably quickly.
Thank you all for all the helpful tips.
Paul
> I must be missing something very basic, but I cannot get iCloud KV storage to
> work. I've really perused the documentation on many fronts, but I'm still
> stumped.
>
> My app's provisioning profile is configured for iCloud, all the correct
> entitlements are set, and I can even see the the Ubiquity "Documents"
> container in iCloud. But for the life of me, I cannot get any changes to KV
> storage to propagate to iCloud, or get a notification back if a KV item
> changed.
>
> I register for a notification:
>
> NSUbiquitousKeyValueStore* store = [NSUbiquitousKeyValueStore
> defaultStore];
> if ( store ) {
> [[NSNotificationCenter defaultCenter] addObserver:self
>
> selector:@selector(updateKVStoreItems:)
>
> name:NSUbiquitousKeyValueStoreDidChangeExternallyNotification
> object:store];
> }
>
> The first time the app writes to NSUbiquitousKeyValueStore, I do get the
> NSUbiquitousKeyValueStoreInitialSyncChange notification. After that, I never
> receive any notifications again on that device when the the same app running
> on another device changes the NSUbiquitousKeyValueStore (or the same app
> running on the same device for that matter).
>
> For example, this only drives the notification on the initial call, even
> though many keys in[NSUserDefaults standardUserDefaults] have corresponding
> changed values:
>
> NSUbiquitousKeyValueStore* store = [NSUbiquitousKeyValueStore
> defaultStore];
> if ( store ) {
> [store setDictionary:[[NSUserDefaults standardUserDefaults]
> dictionaryRepresentation] forKey:@"DictionaryTest"];
> }
>
> The app is obviously configured correctly, or I would not see any Ubiquity
> documents in the iCloud Developer Web site. It's the KV storage I can't get
> to work, or rather I never receive any change notifications for Ubiquity KV
> storage.
>
> Apple has done a remarkable job of simplifying the developer's tasks. But,
> maybe I've oversimplified it, 'cuz it ain't workin' for me! Any clues what
> I'm missing?
>
> Paul
>
> Sent from my iPad
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