title: Sessions for Android and webservices
body: <p>I have an android and web-services written in php. The android has an authentication system from which the application sends the "username" and "password" to the webservice and it will return the user-id. I then use the user-id to request other information via the web-services.</p>
  
  <p>In terms of good practice, the above method is not secure and I thought of using sessions. But I do not know how to use them? Can you guys give me some examples of making requests from the android to the web-services more secure? </p>
  
  <p>Thank you,</p>