app-starlock/lib/tools/bindings/app_binding.dart

import 'package:get/get.dart';
import 'package:star_lock/tools/storage.dart';
import 'package:uuid/uuid.dart';

class AppBindings extends Bindings {
  @override
  void dependencies() {
    initDeviceId();
  }

  Future<void> initDeviceId() async {
    final String? deviceID = await Storage.getString(appDeviceID);
    final bool isNullOrBlank = GetUtils.isNullOrBlank(deviceID) ?? true;
    if (isNullOrBlank) {
      final String uuidV4 = const Uuid().v4();
      print('initDeviceId UUID:v4: $uuidV4');
      await Storage.setString(appDeviceID, uuidV4);
    }
  }
}