@Override
public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
super.onScrolled(recyclerView, dx, dy);
currentPosition = layoutManager.findLastVisibleItemPosition();
if (mPostsEntityList == null || mPostsEntityList.isEmpty() || mRefreshing || mLoading) {
return;
}
if (currentPosition + 4 >= mPostsEntityList.size()) {
mSwipeRefresh.setRefreshing(true);
mLoading = true;
mRequestType = ConstData.REQUEST_LOAD;
dayBefore--;
requestContent();
}
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
// create linear manager
layoutManager = new LinearLayoutManager(getActivity());
// 设置布局管理器
mHistoryRecyclerView.setLayoutManager(layoutManager);
// 创建Adapter,并指定数据集
mHistoryAdapter = new HistoryAdapter(mPostsEntityList);
mHistoryRecyclerView.setAdapter(mHistoryAdapter);
// Add the sticky headers decoration
final StickyRecyclerHeadersDecoration headersDecor =
new StickyRecyclerHeadersDecoration(mHistoryAdapter);
mHistoryRecyclerView.addItemDecoration(headersDecor);
mHistoryAdapter.registerAdapterDataObserver(
new RecyclerView.AdapterDataObserver() {
@Override
public void onChanged() {
headersDecor.invalidateHeaders();
}
});
// Add decoration for dividers between list items
HorizontalDividerItemDecoration mItemDecoration =
new HorizontalDividerItemDecoration.Builder(getActivity())
.colorResId(R.color.drawer_line)
.sizeResId(R.dimen.common_divider)
.build();
mHistoryRecyclerView.addItemDecoration(mItemDecoration);
// Add scrollListener
mHistoryRecyclerView.addOnScrollListener(myOnScrollListener);
// initialize swipeRefreshLayout and request
initSwipeLayout();
}
@Override
public void onDestroyView() {
super.onDestroyView();
ButterKnife.unbind(this);
}
