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Date: Wed, 21 Mar 2012 05:14:04 +0000 (UTC)
From: "Shazron Abdullah (Issue Comment Edited) (JIRA)" <jira@apache.org>
To: callback-dev@incubator.apache.org
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Subject: [jira] [Issue Comment Edited] (CB-330) localStorage / SQLDatabase
 no longer persistent after iOS 5.01 Update
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    [ https://issues.apache.org/jira/browse/CB-330?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13234105#comment-13234105 ] 

Shazron Abdullah edited comment on CB-330 at 3/21/12 5:13 AM:
--------------------------------------------------------------

@edgar You have a valid point regarding intermediate changes (the manual app terminate scenario - then clobbering of the existing database with latest changes with older backed up data on next startup), I'll work a fix in to prevent mitigate this risk. To create a feature request, on the top right of jira, there is a "Create Issue" button - then you choose the "Issue Type" as "New Feature". Make sure you add the right "components" (platforms) that you desire the feature to be in.

To further mitigate this risk - I can add callbacks in the backup and restore functions, so if you choose to periodically backup - you can wait for the callbacks to return before continuing.
                
      was (Author: shazron):
    @edgar You have a valid point regarding intermediate changes (the manual app terminate scenario), I'll work a fix in to prevent mitigate this risk. To create a feature request, on the top right of jira, there is a "Create Issue" button - then you choose the "Issue Type" as "Feature Request". Make sure you add the right "components" (platforms) that you desire the feature to be in.

To further mitigate this risk - I can add callbacks in the backup and restore functions, so if you choose to periodically backup - you can wait for the callbacks to return before continuing.
                  
> localStorage / SQLDatabase no longer persistent after iOS 5.01 Update
> ---------------------------------------------------------------------
>
>                 Key: CB-330
>                 URL: https://issues.apache.org/jira/browse/CB-330
>             Project: Apache Callback
>          Issue Type: Bug
>          Components: iOS
>    Affects Versions: 1.3.0, 1.4.0, 1.5.0
>         Environment: iOS 5.01
> PhoneGap (Any version)
> Xcode 4
> Build.PhoneGap
>            Reporter: Amirudin Bin Mohamed Ghani
>            Assignee: Shazron Abdullah
>            Priority: Blocker
>              Labels: ios5.01, localstorage, sqldatabase, websql
>             Fix For: 1.6.0
>
>         Attachments: CDVLocalStoragePlugin.zip, Directory-Structure-CB-330.zip, LocalStorageTest.zip, iOS WebKit Database Locations.txt
>
>
> Dear Dev
> WebKit data (localstorage or local SQLite) are now stored in Library/ Caches folder (instead of Library/WebKit folder). This is a big problem for all apps using UIWebView and storing user data, because they will no longer be backed up and may be deleted. There are a lot of apps using localstorage or SQLite as a critical feature. 
> The SQLite database gets deleted because the database is saved in a location on the filesystem which Apple does not consider to contain persistent data.
> *Steps to Reproduce:* 
> In a UIWebView, create a new DB or use localStorage with JavaScript. 
> You can see that the WebKit data is now stored in Library/Caches :  
> *Expected Results:*
> We should at least specify the directory of WebKit data (and to set it 
> to Documents/ for critical data) 
> *Actual Results:* 
> The WebKit data are stored in Library/Caches folder, and can be 
> deleted 
> *Regression:*
> To migrate database location from Library/Caches to some other location such as Documents.
> ----
> Ref: http://developer.apple.com/icloud/documentation/data-storage/
> https://devforums.apple.com/thread/137882?start=0&tstart=0

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