title: Setting the Android System Volume
body: <p>I am writing an application which handles the following:</p>
  
  <ol>
  <li>Silent - Makes the phone volume silent</li>
  <li>Low - Makes the phone volume 1 point above the silent</li>
  <li>Medium - Makes the phone volume medium</li>
  <li>High - Makes the phone volume maximum</li>
  </ol>
  
  <p>Phone volume includes Ringer, video, audio , games volume etc.</p>
  
  <p>I know how to achieve Silent mode through <code>AudioManager</code>. But for 2-4 , I could not find any helpful code snippets. What do I need to do?</p>