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https://issues.apache.org/jira/browse/CB-1561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13486263#comment-13486263
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Michal Mocny commented on CB-1561:
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Aaron,
You are correct, this is all or nothing. The feature you request is not
supported, has not been, and would be difficult to do well given that the iOS6
UserDefaults value for cloud backup is also all-or-nothing.
However, I think there is another workaround for you: if you enable
local-backup-only, then you can use the File API to reset metadata on the
LocalStorage backups to re-enable cloud backup just for that.
(NSURLIsExcludedFromBackupKey on Documents/Backups/{localstorage file or
whichever you need} using File API's FileEntry.setMetadata function)
If the workaround is insufficient, please file a feature request, and patches
are welcome for 2.3 release.
> Using Storage API - rejected by Apple
> -------------------------------------
>
> Key: CB-1561
> URL: https://issues.apache.org/jira/browse/CB-1561
> Project: Apache Cordova
> Issue Type: Bug
> Components: iOS
> Affects Versions: 2.0.0, 2.1.0, 2.2.0
> Environment: - Cordova 2.0 on iOS
> Reporter: Clemens Wyss
> Assignee: Michal Mocny
> Priority: Blocker
> Fix For: 2.2.0
>
> Attachments: CDVLocalStorage.m.diff, disable_icloud_backup.diff
>
>
> our App uses the Sotrage-API to store data which is being loaded upon first
> launch.
> The app is rejected given the following reasoning:
> 'Your app does not follow the iOS Data Storage Guidelines, as required by the
> App Store Review Guidelines.
> Please be sure to set the "Do not back up" attribute for all data which is
> not generated or modified by the user. To check how much data your app is
> storing:
> - Install and launch your app
> - Go to Settings > iCloud > Storage and Backup > Manage Storage
> - If necessary, select "Show all apps"
> - Check your app's storage
> The iOS Data Storage Guidelines indicate that only content that the user
> creates using your app, (documents, new files, edits, etc.) may be stored in
> the /Documents directory - and backed up to iCloud.
> Temporary files used by your app should only be stored in the /tmp directory.
> Please remember to delete the files stored in this location when the user
> exits the app.
> Data that can be recreated but must persist for proper functioning of your
> app or because customers expect it to be available for offline use should be
> appended with the "do not back up" attribute. For NSURL objects, add the
> NSURLIsExcludedFromBackupKey attribute to prevent the corresponding file from
> being backed up. For CFURLRef objects, use the corresponding
> kCFURLIsExcludedFromBackupKey attribute.
> For more information, please see Technical Q&A 1719: How do I prevent files
> from being backed up to iCloud and iTunes?.
> Please revise your app so that it adheres to the iOS Data Storage Guidelines.'
> Is there a possibility to set this flag for the WebSQL Database file(s)?
> At least for us this is a blocker ...
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