You can get the name of the app that installed your app using: http://developer.android.com/reference/android/content/pm/PackageManager.html#getInstallerPackageName(java.lang.String)
If it matches the Google Play package name, then it was installed through Google Play. On Mon, Jan 7, 2013 at 8:47 PM, Kevin Duffey <andjar...@gmail.com> wrote: > Interesting topic.. I was just reading about DexGuard, which is about $450 > USD I think.. seems worth it to me if it works well and you're making money > on your apps. > > Question though.. is there a way to know if someone bought the app > (downloaded through a store it was published to) or just installed? If I > wanted to put some data on the server side, so that only registered/paid > apps could access it.. how could I ensure the app is a legit buy? > > > > On Sun, Dec 30, 2012 at 11:50 AM, Chief Yapping Maw < > westernairli...@gmail.com> wrote: > >> Release 2 identical apps, 1 w/ DRM, 1 w/out. >> Use entirely different names. >> You will find that you will sell multiple times more copies of the >> unprotected app. >> Going back to 1981, our computer club would share apple basic programs >> amongst ourselves, the "pirates". >> Without exception, the programs we found useful we bought after trying >> them out as a pirate. >> Mostly this was a social experience, not an opportunity to steal. >> Spend a little time working on easter eggs instead of copy protection. >> New copy protection is like screwing a new tail onto a cow. The smart >> flies will chew your hide where the new tail won't reach. >> >> -- >> 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 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 > -- Raghav Sood http://www.appaholics.in/ - Founder http://www.apress.com/9781430239451 - Author +91 81 303 77248 -- 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
