internal void onAppearing() { isEmptyList = false; var list = sqliteManager.GetAll(); if (list.Count == 0) { isEmptyList = true; if (SaveUserData.userBadge > 0) { SaveUserData.userBadge = 0; SaveUserBadge(); } } else { newsList = list.convertObservable(); SaveUserData.userBadge = newsList.Count; isEmptyList = false; SaveUserBadge(); } }