How To Check If An App Was Downloaded From PlayStore Or Not In Java

Question

i am making an app That Should be Downloaded From Play Store so In app i Want to check that when an app is opened so How can Check If An App Was Downloaded From PlayStore Or Not In Java

Answer 1

Here's some information on how you can do it:
https://stackoverflow.com/questions/37539949/detect-if-an-app-is-installed-from-play-store

I'm not sure if 100% working method exists though.