realLoadMoreData method
Implementation
Future<ViewStateHttpData<T, E>> realLoadMoreData() async {
if (!isBusy && isInit) {
loadMoreError = null;
setLoadMoreBusy();
}
beforeLoadMore();
ViewStateHttpData<T, E> httpData = await loadMoreData();
handleHttpData(httpData: httpData, loadType: LoadType.loadMore);
return httpData;
}