On Oct 9, 11:16 am, abarinoff <[email protected]> wrote:

> Thanks for pointing to those topic - it's quite interesting. But
> unfortunately solution of Justin Anderson doesn't help me much as I
> don't need any additional
> key application. What I need is to publish both free and paid versions
> of application on Android Market and ideally user would be able to
> first download free
> version and then update to paid version later.

I think the point is that there's no good way to do this in the
current Market. If you insist on having free and paid versions,
they're separate apps, and there's no way to "upgrade" from one to the
other. Correspondingly, there's nothing to stop a user having both
installed on their phone at once.

The approach of using a separate key/license "app" is an alternate
solution to the problem. It's still not perfect, but it avoids the
double-installation problem, as well as any trickery to keep a single
code base. It's not the solution you ideally want, but it does
accomplish an equivalent result, and it works. IMO, it's cleaner -
it's the approach I use for one of my own apps.

String
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