[android-developers] Re: Protection Method to avoid an .apk being copied overall

[WoodManEXP]

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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[android-developers] Re: Protection Method to avoid an .apk being copied overall

[matt smith]

The general response to this question I have seen is as follows :
 - spend time improving your app, not the copy protection - it will
get hacked anyway
 - storing gmail or ime numbers is against data protection act

Personally I feel everyone is entitled to try and protect their apps
and would take the dev's not the pirate's side, but beware of stepping
into a lion's den as I saw someone do before.

I would add that any attempt you make is likely to fail as google
checkout is the only viable mechanism of selling apps in volume and it
doesn't give any mechanisms to associate a purchased non-refunded
payment with an apk. Until Google does this, I think most other
attempts will be a waste of time.
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