getDeviceSystemVersion static method

Future<String> getDeviceSystemVersion()

Uses plugin "device_info" Source: https://stackoverflow.com/questions/45300661/how-to-check-the-device-os-version-from-flutter

Implementation

static Future<String> getDeviceSystemVersion() async {
  if (TextUtils.isEmptyOrNull(_osv)) {
    if (dartIo.Platform.isAndroid) {
      TBLAndroidDevice androidDeviceInfo =
          await _deviceInfoPlugin.androidInfo;
      _osv = androidDeviceInfo.version.release ?? "";
    }

    if (dartIo.Platform.isIOS) {
      TBLIosDevice iosDeviceInfo = await _deviceInfoPlugin.iosInfo;
      _osv = iosDeviceInfo.systemVersion ?? "";
    }
  }
  return _osv;
}