getSystemVolume static method

Future<double?> getSystemVolume()

Get the current system volume, range: 0.0 ~ 1.0 获得当前系统音量，范围：0.0 ~ 1.0

Implementation

static Future<double?> getSystemVolume() async {
  DoubleMsg doubleMsg = await _nativeAPI.getSystemVolume();
  return doubleMsg.value;
}