getRefreshController method
Implementation
RefreshController getRefreshController({bool initialRefresh = false}) {
_refreshController ??= RefreshController(initialRefresh: initialRefresh);
scrollController ??= ScrollController();
scrollController?.addListener(() {
if ((scrollController?.position.pixels ?? 0) > scrollDownOffset) {
isScrollDown.value = true;
} else {
isScrollDown.value = false;
}
});
return _refreshController!;
}