Taking this a bit further you could use the AndAppStore licensing system if you didn't want to run your own database.
More info is at http://andappstore.com/AndroidApplications/licensing.jsp Al. -- * Written an Android App? - List it at http://andappstore.com/ * ====== Funky Android Limited is registered in England & Wales with the company number 6741909. The registered head office is Kemp House, 152-160 City Road, London, EC1V 2NX, UK. The views expressed in this email are those of the author and not necessarily those of Funky Android Limited, it's associates, or it's subsidiaries. On Jul 21, 11:56 pm, Mike <mmille...@gmail.com> wrote: > You could get a unique ID from the user's phone, refer to this blog > post:http://strazzere.com/blog/?p=116 > > Then, instruct the user to enter the unique ID when they submit their > donation, and keep this information in a database. > > Voila! You can now determine who has donated by making a web service > call to your server from your game. > > On Jul 21, 3:34 pm, Mike <michaeldouglaskra...@gmail.com> wrote: > > > Use case goes like this: > > > 1) Dev puts game for sale on Android market hoping to make lots of $$ > > $. > > 2) Dev makes $50 in a month, cries a little, realizes his game is > > languishing in the ratings so makes it free. > > 3) Game does really well and gets > 50,000 downloads. > > 4) Dev still wants to make some $$$ off his game, so adds a "donate" > > feature to app which points users to another app dev has created in > > the marketplace where they can donate by buying the app. > > 5) Dev wants to reward those who have donated by providing new > > features only to them. > > > So... how do I go about determining if any given user has purchased > > either my original app, or my "donate" app so that I can unlock > > functionality? I'd like to determine this even if the user no longer > > has the app installed on their phone. > > > Then android market app seems to know this which is how it knows not > > to charge the user again for the same app they've already paid for. > > > - Mike --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
