Make a separate version that disables itself after a period of time.
On Jan 6, 7:57 am, Alex Corbi <a.co...@gmail.com> wrote: > Hi Developers, > > First i explain you my situation: > > I have just released my new App (Voice Alerts - more > info:http://49ers.es/corbi/voice-alerts), there is a demo and a full (paid) > version. > > For "promoting/publicity purposes" i would like to send a copy of the > full version to a couple of people, so they get the fully functional > app without paying for it. My fear is that if i send them the .apk > without any protection means implemented, it could happen that they > can eventually upload the file to a server and made it available for > free overall. > > How would you guys solve this situation? > > I have 2 ideas runing on my head right know: > > - is it possible to return the money to a user that buys the app > through the market, using google checkout? This solution should be > just great because i will not have to add extra lines on the code or > prepare an especial .apk for it. Just "return the money" but the app > stays in the phone and would get the updates and everything. > > - is it possible to check programatically wich google acount (or other > mail account) is being user on a phone, so the app would be associated > with just one email account and will only work with that phone? > > any other alternatives... > > Greetings , > > Alex.
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