监测是否静音

AudioManager am = (AudioManager)getSystemService(Context.AUDIO_SERVICE);  switch (am.getRingerMode()) {     case AudioManager.RINGER_MODE_SILENT:         Log.i("MyApp","Silent mode");         break;     case AudioManager.RINGER_MODE_VIBRATE:         Log.i("MyApp","Vibrate mode");         break;     case AudioManager.RINGER_MODE_NORMAL:         Log.i("MyApp","Normal mode");         break; } 

?http://developer.android.com/intl/fr/reference/android/media/AudioManager.html#getRingerMode%28%29