onScrollChanged method
Implementation
@override
bool onScrollChanged(ScrollNotification scrollInfo) {
super.onScrollChanged(scrollInfo);
final canLoad = (viewModel.loadPageRequestState.isSucceed ||
viewModel.loadPageRequestState.isIdle) &&
!viewModel.isAllItemsLoaded;
final maxScrollExtent =
scrollInfo.metrics.maxScrollExtent - (widget.cacheExtent ?? 0);
if (scrollInfo.metrics.pixels >= maxScrollExtent && canLoad) {
viewModel.loadPage?.call();
return true;
}
return false;
}