unfortunantly not all shops supports Google LVL or Dynamic Licensing.

On Nov 19, 8:57 pm, Dianne Hackborn <[email protected]> wrote:
> Forward locked copy protection is really fragile, as it requires that nobody
> except approved entities get to the data (.apk).  Thus you *must* trust the
> device you are delivering the .apk to, or else you have leaked the data and
> blown the forward locking.  For example, a phone running a custom build of
> Android could allow the user to get root and copy your .apk off, at which
> point they can freely distribute it however they like.
>
> The old copy protection mechanism is deprecated.  It sucks.  Don't use it.
>  Use the licensing service.
>
> On Fri, Nov 19, 2010 at 8:58 AM, sblantipodi
> <[email protected]>wrote:
>
>
>
> > Thanks for the answer.
> > But I don't understood why a device is approved or not.
> > Is there a possibility that the injected DRM could prevent the app to
> > work on some devices?
>
> > Thanks.
>
> > On Nov 19, 5:49 pm, TreKing <[email protected]> wrote:
> > > On Fri, Nov 19, 2010 at 8:43 AM, sblantipodi
> > > <[email protected]>wrote:
>
> > > > What do you mean for unapproved devices?
>
> > > AFAIK, for copy protection Google has some list of devices that are
> > > considered "approved" for copy-protected devices to run on. Usually this
> > > meant that new devices would block copy-protected apps until Google got
> > > around to approving them.
>
> > > On Fri, Nov 19, 2010 at 10:26 AM, sblantipodi
> > > <[email protected]>wrote:
>
> > > > no one can tell me here what are the unapproved devices and why they
> > are
> > > > unapproved?
>
> > > Can you wait more than two hours to get a reply? Some of us have day
> > jobs.
>
> > -------------------------------------------------------------------------------------------------
> > > TreKing <http://sites.google.com/site/rezmobileapps/treking> - Chicago
> > > transit tracking app for Android-powered devices
>
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> --
> 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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