import 'package:shared_preferences/shared_preferences.dart'; class SharedPreferencesHelper { static late SharedPreferences preferences; static Future initial() async { preferences = await SharedPreferences.getInstance(); } static const String themeMode = 'theme-mode'; } class ThemeModeStorage { static String getMode() { final prefs = SharedPreferencesHelper.preferences; return prefs.getString(SharedPreferencesHelper.themeMode) ?? "system"; } static void setMode(String mode) { final prefs = SharedPreferencesHelper.preferences; prefs.setString(SharedPreferencesHelper.themeMode, mode); } static void clearMode() { final prefs = SharedPreferencesHelper.preferences; prefs.remove(SharedPreferencesHelper.themeMode); } }