parse method

@override Future<AppPackage> parse(File file)

Implementation

@override
Future<AppPackage> parse(File file) async {
  String? androidHome = Platform.environment['ANDROID_HOME'];
  if ((androidHome ?? '').isEmpty) {
    throw Exception('Missing `ANDROID_HOME` environment variable.');
  }

  String buildToolsDir =
      Directory('$androidHome/build-tools').listSync().first.path;

  ProcessResult processResult = Process.runSync(
    '$buildToolsDir/aapt',
    ['d', '--values', 'badging', file.path],
  );

  String resultString = processResult.stdout;

  RegExpMatch? regExpMatch1 =
      RegExp(r"name='([^']+)'").firstMatch(resultString);
  RegExpMatch? regExpMatch2 =
      RegExp(r"application-label:'([^']+)'").firstMatch(resultString);
  RegExpMatch? regExpMatch3 =
      RegExp(r"versionName='([^']+)").firstMatch(resultString);
  RegExpMatch? regExpMatch4 =
      RegExp(r"versionCode='(\d+)'").firstMatch(resultString);

  AppPackage appPackage = AppPackage(
    platform: 'android',
    identifier: regExpMatch1!.group(1)!,
    name: regExpMatch2!.group(1)!,
    version: regExpMatch3!.group(1)!,
    buildNumber: int.parse(regExpMatch4!.group(1)!),
  );
  return appPackage;
}