Android sign in with different accounts (Gmail, Twitter, etc)
<p>I developing an app which has the login screen with username and password. Now I want to let the user login with their account with Gmail, Facebook, Twitter and Linked In.  Does anyone have any idea or links that can provide me the description of login with above third party API?</p>

<p><img src="http://i.stack.imgur.com/baOyk.png" alt="enter image description here"></p>
