getRingerMode method Null safety

Future<RingerMode?> getRingerMode()

Returns current ringerMode.

RingerMode currentRingerMode = await RealVolume.getRingerMode();

Implementation

static Future<RingerMode?> getRingerMode() async {
  if (Platform.isIOS) return null;
  final int ringerMode =
      (await _methodChannel.invokeMethod('getRingerMode')) ?? 3;
  return getRingerModefromIndex(ringerMode);
}