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https://issues.apache.org/jira/browse/CB-6033?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13926018#comment-13926018
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Joe Bowser commented on CB-6033:
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No, it's not. The issue is caused by the prior SQLite data store stored in the
app storage (not SD Card) isn't compatible with the new ChromeWebView. What
needs to be done is that the file needs to be copied before the app starts and
after the app starts, we need a plugin to take the old data and populate the
new database with the legacy data somehow.
I'm not sure whether this is worth the effort because OTAs only happen once
unless you're me and you're refashing devices over and over to force the bug.
> Android 4.4 update loses LocalStorage data
> ------------------------------------------
>
> Key: CB-6033
> URL: https://issues.apache.org/jira/browse/CB-6033
> Project: Apache Cordova
> Issue Type: Bug
> Components: Android
> Reporter: Darryl Pogue
> Assignee: Joe Bowser
>
> This appears to be a result of the switch from old WebView to the new
> Chrome-powered WebView.
> If an app is installed in 4.3 and saves data to LocalStorage (and possibly to
> WebSQL) and then the device is updated to 4.4, that data appears to be lost.
> Some threads regarding the problem:
> http://www.sencha.com/forum/showthread.php?278158-localStorage-cleared-when-upgrading-to-KitKat-(Android-4.4)
> https://groups.google.com/forum/#!msg/phonegap/rNizMKW5GaA/g1XBBco2otMJ
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