how can i do login google plus in my android application
<p>i am new in android can any one tell me 
how can i do login google plus in my android application. i want to do a user can login with google plus, facebook and other </p>

<p>i want to know how the user login in google plus 
i download the google API from <a href="https://developers.google.com/+/downloads/" rel="nofollow">https://developers.google.com/+/downloads/</a> th google API Google APIs Client Library for Java (beta) is it right API?
if yes how can i implement this API in my Application.</p>
