new project stable version

lib/data/service/app_setting_service.dart

@@ -0,0 +1,15 @@
+import 'package:shared_preferences/shared_preferences.dart';
+
+class AppSettingsService {
+  final SharedPreferences sharedPreferences;
+
+  AppSettingsService(this.sharedPreferences);
+
+  Future<void> saveMapSettingsFlag(String key, bool value) async {
+    sharedPreferences.setBool(key, value);
+  }
+
+  bool getMapSettingsFlag(String key) {
+    return sharedPreferences.getBool(key) ?? false;
+  }
+}