getNews method

Implementation

void getNews() async {
  loadingNews.value = true;
  var result = await service.getNews();
  if (result.code == 200) {
    listNews.clear();
    for (var element in result.data!.news!) {
      listNews.add(element);
    }
  }
  loadingNews.value = false;
  getPaymentType();
}