How can i find out which google account downloaded the application?
This question is related to Get the Google ID used in an in-app billing purchase
Thank you!
Warpzit
I think the best answer can be found here: How to get the Android device's primary e-mail address This might not be exacly what you want, but without asking the user, I think this is the closest you can get.
来源：https://stackoverflow.com/questions/10245250/get-the-google-id-used-to-download-the-application