On Thu, Mar 31, 2011 at 6:19 PM, davemac <[email protected]> wrote:

> It wasn't so much the unique ID I was looking for, rather some
> reassurance that Google has a certification program. From this
> particular case, and others I've heard about, it ought to be more
> robust than it is.
>

It's not perfect.  Few things are.  As problems are found, it is improved.

As far as ANDROID_ID -- please be aware that some people concerned about
privacy very much do not like applications being able to retrieve something
that uniquely identifies their device that can be correlated across
applications.  As such, don't be surprised if in the future there appears
the ability to restrict access to ANDROID_ID.

I very strongly recommend not using ANDROID_ID.  If you want to have
settings retained if the user uninstalls and then re-installs, consider
using the backup manager.  This also has the advantage of allowing you to
restore the user's settings across devices.

-- 
Dianne Hackborn
Android framework engineer
[email protected]

Note: please don't send private questions to me, as I don't have time to
provide private support, and so won't reply to such e-mails.  All such
questions should be posted on public forums, where I and others can see and
answer them.

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