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From "Stephen J Fuhry (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CB-1047) Android UUID can sometimes be undefined (or otherwise not unique) because of limitations in ANDROID_ID
Date Thu, 12 Jul 2012 17:02:33 GMT
Stephen J Fuhry created CB-1047:
-----------------------------------

             Summary: Android UUID can sometimes be undefined (or otherwise not unique) because
of limitations in ANDROID_ID
                 Key: CB-1047
                 URL: https://issues.apache.org/jira/browse/CB-1047
             Project: Apache Cordova
          Issue Type: Wish
          Components: Android
    Affects Versions: 1.9.0
            Reporter: Stephen J Fuhry
            Assignee: Joe Bowser


There are many documented situations where the following does not really return a unique identifier
([link to cordova source|https://git-wip-us.apache.org/repos/asf?p=incubator-cordova-android.git;a=blob;f=framework/src/org/apache/cordova/Device.java#l173]):

{code:java}
android.provider.Settings.Secure.ANDROID_ID
{code}

Would it make sense to implement a solution like this?

http://android-developers.blogspot.com/2011/03/identifying-app-installations.html
see also: http://stackoverflow.com/a/2853253/111033

I've used the above mentioned solution in native Android applications without issue.

It *might* make sense to offer this as a value completely separate from device.uuid.. there
are many reports that some hardware vendors are actually populating ANDROID_ID with a manufacturer
ID (i.e. ANDROID_ID returns a value, but it is not unique between devices of the same make
/ model! How deceptive.).

Perhaps it could be offered as:

{code:javascript}
device.install_id
{code}

or something so that developers could opt-in to use it? This way it wouldn't break BC for
those who are interested in maintaining device or install ids from previous versions. Then,
you could get a guaranteed unique id by doing:

{code:javascript}
var deviceId = (device.install_id === null ? device.uuid : device.install_id);
{code}

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