title: I want change the volume of ringertonevolume
body: <p>i used this code to adjust volume but it didn't work</p>
  
  <pre><code>int volume=23;
  audio.setStreamVolume(AudioManager.STREAM_RING,volume, AudioManager.FLAG_PLAY_SOUND|AudioManager.FLAG_ALLOW_RINGER_MODES);}
  </code></pre>