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Date: Wed, 21 Mar 2012 04:16:45 +0000 (UTC)
From: "Emile khattar (Commented) (JIRA)" <jira@apache.org>
To: callback-dev@incubator.apache.org
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Subject: [jira] [Commented] (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=3Dcom.atlassian.jir=
a.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D13234071=
#comment-13234071 ]=20

Emile khattar commented on CB-330:
----------------------------------

@edgar, if you read the code of the plugin you will see that logically no d=
ata should be lost at all.

// onAppTerminate  is fired on UIApplicationWillTerminateNotification
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(o=
nAppTerminate) name:UIApplicationWillTerminateNotification object:nil];

http://developer.apple.com/library/ios/#DOCUMENTATION/UIKit/Reference/UIApp=
licationDelegate_Protocol/Reference/Reference.html#//apple_ref/occ/intfm/UI=
ApplicationDelegate/applicationWillTerminate:
This method lets your application know that it is about to be terminated an=
d purged from memory entirely. You should use this method to perform any fi=
nal clean-up tasks for your application, such as freeing shared resources, =
saving user data, invalidating timers, and storing enough application state=
 to reconstitute your application=E2=80=99s interface when it is relaunched=
. Your implementation of this method has approximately five seconds to perf=
orm any tasks and return. If the method does not return before time expires=
, the system may kill the process altogether.=20

five seconds should be enough i think


So in theory this fixed should be good to support people who are using loca=
lStorage and Sql storage.
And the problem i had should be to the error i did by placing the plugin ca=
ll in the wrong place.

However i agree with you having some sort of a "natural" persistent storage=
=20


thanks everyone


               =20
> 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-33=
0.zip, LocalStorageTest.zip, iOS WebKit Database Locations.txt
>
>
> Dear Dev
> WebKit data (localstorage or local SQLite) are now stored in Library/ Cac=
hes folder (instead of Library/WebKit folder). This is a big problem for al=
l apps using UIWebView and storing user data, because they will no longer b=
e backed up and may be deleted. There are a lot of apps using localstorage =
or SQLite as a critical feature.=20
> The SQLite database gets deleted because the database is saved in a locat=
ion on the filesystem which Apple does not consider to contain persistent d=
ata.
> *Steps to Reproduce:*=20
> In a UIWebView, create a new DB or use localStorage with JavaScript.=20
> You can see that the WebKit data is now stored in Library/Caches : =20
> *Expected Results:*
> We should at least specify the directory of WebKit data (and to set it=20
> to Documents/ for critical data)=20
> *Actual Results:*=20
> The WebKit data are stored in Library/Caches folder, and can be=20
> deleted=20
> *Regression:*
> To migrate database location from Library/Caches to some other location s=
uch as Documents.
> ----
> Ref: http://developer.apple.com/icloud/documentation/data-storage/
> https://devforums.apple.com/thread/137882?start=3D0&tstart=3D0

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