sorry, not clear. the free app can check if the paid app was
purchased ? it is the same publisher.

also, seems like i can use the android:sharedUserId and write the
license into shared prefs from one app and have the other read from
it. Is this a security issue ?

thanks
ajith

On Dec 5, 11:50 am, b0b <[email protected]> wrote:
> Yes this is doable if both app have  the same userId
>
> You can implement a remote service in the unlocker paid app that check the
> license.
> Then your free app invoke binds to that remote service to do the check.
>
> If both of your apps share the same android:sharedUserId  you're not forced
> to make the service public.
> If you don't have already have set a android:sharedUserId don't change it
> afterwards or it will cause problems (file permissions).

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