init method

dynamic init()

it's for initialize App Theme

Implementation

init() async {
  SharedPreferences sharedPreferences = await SharedPreferences.getInstance();
  int fxAppThemeMode = sharedPreferences.getInt("fx_app_theme_mode") ??
      FuAppThemeType.light.index;
  changeAppThemeMode(FuAppThemeType.values[fxAppThemeMode]);

  notifyListeners();
}