title: How to get user email with google access token?
body: <p>I followed all these steps.</p>
  
  <p><a href="https://developers.google.com/+/web/signin/" rel="noreferrer">https://developers.google.com/+/web/signin/</a></p>
  
  <p>I have client id and client secret.</p>
  
  <p>I got access token now, how can I get user profile and email with access token? And how to check whether user logged in or not?</p>