I thought that this could be achieved via Application Licensing. I read it on stackoverflow, but I don't know how.
Am 20.02.2013 um 17:08 schrieb Nikolay Elenkov <nikolay.elen...@gmail.com>: > On Thu, Feb 21, 2013 at 12:31 AM, Sandro Stricker > <stsandr...@googlemail.com> wrote: >> For this behavior I wouldn't need in-app billing. I just present the user a >> dialog to enter the code and if it's correct I make the app a premium >> version. Therefore the user would need to remember the promo code if he >> wants to install the app on another device or deinstall/reinstall it. >> > > A free app with extra features you can enable usually equals IAB. You > obviously can't > do this with a paid app. And of course you want to make sure that if they leak > a code on Twitter or something it doesn't allow the whole Internet to get > your premium version for free. > >> I need something that remembers that this user unlocked the premium version >> and will do so for future installs. And I don't want to implement my own web >> service that stores user accounts that unlocked the premium version. >> > > Good luck with that :) > > -- > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to android-developers@googlegroups.com > To unsubscribe from this group, send email to > android-developers+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > --- > You received this message because you are subscribed to the Google Groups > "Android Developers" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to android-developers+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. > > -- -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en --- You received this message because you are subscribed to the Google Groups "Android Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to android-developers+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
