Determine ringer mode on Android

The following code would let you determine if Android the device is on silent or vibrate.

private boolean isDeviceSilentOrOnVibrate(){
AudioManager am = (AudioManager)getSystemService(Context.AUDIO_SERVICE);
switch(am.getRingerMode()){
case AudioManager.RINGER_MODE_SILENT:
case AudioManager.RINGER_MODE_VIBRATE:
return true;
default:
return false;
}
}