init static method
Implementation
static Future<void> init() async{
await SharedPreferencesManager.init();
packageInfo = await PackageInfo.fromPlatform();
final savedCurrency = SharedPreferencesManager.get("app.currency_symbol");
final savedLocale = SharedPreferencesManager.get("app.locale");
final savedTimezone = SharedPreferencesManager.get("app.timezone");
final savedTheme = SharedPreferencesManager.get("app.theme");
if (savedCurrency != null) _currencySymbol = savedCurrency;
if (savedLocale != null) _locale = JBLocale.values.fromString(savedLocale);
if (savedTimezone != null) _timezone = JBTimezone.values.fromString(savedTimezone,);
if (savedTheme != null) _theme = savedTheme;
appNotifier.value++;
}