title: Android running application in the background - Beginner
body: <p>I am a beginner in Android development, and i need to know the following;</p>
  
  <ol>
  <li>I need my application to operate in the background, even if the user gets a call my application should run uninterruptedly. Can this be done ? I have heard that android only allows 1 application to run in a given instance</li>
  </ol>