setIdfaString method

dynamic setIdfaString(String value, bool isAuthorized)

Implementation

setIdfaString(String value, bool isAuthorized) async {
  if (value == "") {
    await FlutterKeychain.remove(key: "idfa");
    checkNotification.value = "";
    update();
    return;
  }

  if (isAuthorized) {
    var idfa = await FlutterKeychain.get(key: "idfa");
    print('idfa: $value');
    if (idfa == null || idfa == "") {
      await FlutterKeychain.put(key: "idfa", value: value);
      checkNotification.value = value;
    } else {
      checkNotification.value = idfa;
    }
  } else {
    var idfa = await FlutterKeychain.get(key: "idfa");
    if (idfa == null || idfa == "" || idfa.startsWith('000000')) {
      String appName = BZMCenter.to.appName;
      const chars =
          'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
      final random = Random();

      int remainingLength = 32 - appName.length;
      if (remainingLength <= 0) {
        value = appName.substring(0, 32);
      } else {
        String randomPart = List.generate(
          remainingLength,
          (index) => chars[random.nextInt(chars.length)],
        ).join();
        value = appName + randomPart;
      }
      value = md5.convert(utf8.encode(value)).toString();
      await FlutterKeychain.put(key: "idfa", value: value);
      checkNotification.value = value;
    } else {
      checkNotification.value = idfa;
    }
  }

  update();
}