How to track a users who uninstalled my android app?

Question

I want to get a user info like email who uninstalls my android app .

Answer 1

No, lol. Google would be violating their privacy policy if you were even allowed the slightest chance of doing so. At most, you are allowed to access their profile information via the Google+ API, and even that requires them to log in.
https://developers.google.com/+/web/people/

Answer 2

why would you want to do that lmao

Answer 3

I want to send mail to user to use app again after upgrading a app Or I can send thank you mail.

Answer 4

Dude,
Once your software app is published it does not belong to you any more!

Answer 5

If you give some flowers to your friend,
Do you want to be told when they end up in the bin?