getOsVersionString method

Future<String?> getOsVersionString(HcUpgradeOS upgradeOS)

Implementation

Future<String?> getOsVersionString(HcUpgradeOS upgradeOS) async {
  final deviceInfo = DeviceInfoPlugin();
  String? osVersionString;
  if (upgradeOS.isAndroid) {
    final androidInfo = await deviceInfo.androidInfo;
    osVersionString = androidInfo.version.baseOS;
  } else if (upgradeOS.isIOS) {
    final iosInfo = await deviceInfo.iosInfo;
    osVersionString = iosInfo.systemVersion;
  } else if (upgradeOS.isFuchsia) {
    osVersionString = '';
  } else if (upgradeOS.isLinux) {
    final info = await deviceInfo.linuxInfo;
    osVersionString = info.version;
  } else if (upgradeOS.isMacOS) {
    final info = await deviceInfo.macOsInfo;
    final release = info.osRelease;

    // For macOS the release string looks like: Version 13.2.1 (Build 22D68)
    // We need to parse out the actual OS version number.

    String regExpSource = r"[\w]*[\s]*(?<version>[^\s]+)";
    final regExp = RegExp(regExpSource, caseSensitive: false);
    final match = regExp.firstMatch(release);
    final version = match?.namedGroup('version');
    osVersionString = version;
  } else if (upgradeOS.isWeb) {
    osVersionString = '0.0.0';
  } else if (upgradeOS.isWindows) {
    final info = await deviceInfo.windowsInfo;
    osVersionString = info.displayVersion;
  }

  // If the OS version string is not valid, don't use it.
  try {
    Version.parse(osVersionString!);
  } catch (e) {
    osVersionString = null;
  }

  return osVersionString;
}