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https://issues.apache.org/jira/browse/CB-9963?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15433894#comment-15433894
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Jesse MacFadyen commented on CB-9963:
-------------------------------------
Is it possible to store info in a device's keychain even after your app (all
your apps) is uninstalled?
Personally I think this is an antipattern, and you should avoid depending on
knowing any particular device.
There was/is a reason Apple decided to NOT allow apps to use the real device
uuid, and you should probably respect it.
> iOS uuid should remain even after uninstall
> -------------------------------------------
>
> Key: CB-9963
> URL: https://issues.apache.org/jira/browse/CB-9963
> Project: Apache Cordova
> Issue Type: Improvement
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Plugin Device
> Environment: iOS
> Reporter: Mike Murkovic
> Assignee: LightZam
> Labels: apple
> Original Estimate: 12h
> Remaining Estimate: 12h
>
> The readme states that an iOS quirk is that it is using the
> identifierForVendor, which remains immutable until every app by one vendor is
> uninstalled. Typically I'd imagine developers are making one app - and so if
> the single app gets uninstalled, they lose the uuid and it appears to be a
> "new" device on reinstall.
> Instead, we should consider using the CFUUIDCreate to create a unique ID on
> startup, and insert it into the SSKeyChain of the device. Then when an app is
> installed, it should check to see if there already is a UUID in the key chain
> before generating a new one. Example:
> http://stackoverflow.com/questions/7273014/ios-unique-user-identifier/8677177#answer-8677177
> If the device is flashed or reinstalled, then I guess it will still be a
> problem. I wish we could get a totally unique ID for that actual physical
> device.
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