/** @hide */
 public void doSelect(Context context) {
   // Set stream volumes
   AudioManager am = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
   for (StreamSettings sd : streams.values()) {
     if (sd.isOverride()) {
       am.setStreamVolume(sd.getStreamId(), sd.getValue(), 0);
     }
   }
   // Set connections
   for (ConnectionSettings cs : connections.values()) {
     if (cs.isOverride()) {
       cs.processOverride(context);
     }
   }
 }