How can I make my app so that if the user copies it installed on his device and sends it to his friends, his friends can't install the app?
I want users to be able to download my app from the market only.
Thanks a lot.
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Khoshghalb2c
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Check this out: https://stackoverflow.com/questions/23262979/android-install-source – Darshan Sep 10 '22 at 07:26
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@DarShan thanks. but `PackageManager.getInstallerPackageName(String packageName)`, need to `INSTALL_PACKAGES` permission; and it permission not grant by Android. Because it permission is protected. And I don't know how to get it from Android. – Khoshghalb2c Sep 10 '22 at 07:38
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One of the best ways is to let anyone install app and then enable app features using in-app purchase.
If your application is online, you can submit user IP at sign up and block other IPs from accessing user accounts or better define a count limit for IPs of each account.
I don't think there's any way to prevent app installation on other user phones.
Ali
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Thanks. If I have to and can't find a way, I'll convert the app to an in-app purchase. – Khoshghalb2c Sep 10 '22 at 10:44