import xyz.danoz.recyclerviewfastscroller.sectionindicator.title.SectionTitleIndicator; //导入依赖的package包/类
@Override
public final View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    mAdapter = new ContactAdapter(getContext(), null, mSortOrder, mPictureType, mDescription, mDescriptionType);

    View rootLayout = super.createView(inflater, R.layout.cp_contact_list, mAdapter, mContacts);

    // configure fast scroll
    RecyclerView recyclerView = (RecyclerView) rootLayout.findViewById(android.R.id.list);
    VerticalRecyclerViewFastScroller fastScroller = (VerticalRecyclerViewFastScroller) rootLayout.findViewById(R.id.fast_scroller);
    fastScroller.setRecyclerView(recyclerView);
    recyclerView.addOnScrollListener(fastScroller.getOnScrollListener());

    // configure section indexer
    SectionTitleIndicator sectionTitleIndicator = (SectionTitleIndicator) rootLayout.findViewById(R.id.fast_scroller_section_title_indicator);
    fastScroller.setSectionIndicator(sectionTitleIndicator);

    return rootLayout;
}
 

import xyz.danoz.recyclerviewfastscroller.sectionindicator.title.SectionTitleIndicator; //导入依赖的package包/类
@Override
public final View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    mAdapter = new ContactAdapter(getContext(), null, mSortOrder, mPictureType, mDescription, mDescriptionType);

    View rootLayout = super.createView(inflater, R.layout.cp_contact_list, mAdapter, mContacts);

    // configure fast scroll
    RecyclerView recyclerView = (RecyclerView) rootLayout.findViewById(android.R.id.list);
    VerticalRecyclerViewFastScroller fastScroller = (VerticalRecyclerViewFastScroller) rootLayout.findViewById(R.id.fast_scroller);
    fastScroller.setRecyclerView(recyclerView);
    recyclerView.addOnScrollListener(fastScroller.getOnScrollListener());

    // configure section indexer
    SectionTitleIndicator sectionTitleIndicator = (SectionTitleIndicator ) rootLayout.findViewById(R.id.fast_scroller_section_title_indicator);
    fastScroller.setSectionIndicator(sectionTitleIndicator);

    return rootLayout;
}
 

import xyz.danoz.recyclerviewfastscroller.sectionindicator.title.SectionTitleIndicator; //导入依赖的package包/类
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View v = inflater.inflate(R.layout.fragment_browse_list_view, container, false);
    eventListHeader = v.findViewById(R.id.eventHeader);
    artListHeader = v.findViewById(R.id.artHeader);
    mEmptyText = v.findViewById(android.R.id.empty);
    mRecyclerView = v.findViewById(android.R.id.list);

    VerticalRecyclerViewFastScroller2 fastScroller = (VerticalRecyclerViewFastScroller2) v.findViewById(R.id.fastScroller);
    SectionTitleIndicator sectionTitleIndicator =
            (SectionTitleIndicator) v.findViewById(R.id.fastScrollerSectionIndicator);

    // Connect the recycler to the scroller (to let the scroller scroll the list)
    fastScroller.setRecyclerView(mRecyclerView);

    // Connect the scroller to the recycler (to let the recycler scroll the scroller's handle)
    mRecyclerView.addOnScrollListener(fastScroller.getOnScrollListener());
    mRecyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
        @Override
        public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
            super.onScrolled(recyclerView, dx, dy);
        }
    });

    fastScroller.setSectionIndicator(sectionTitleIndicator);

    setRecyclerViewLayoutManager(mRecyclerView);

    mRecyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
    mRecyclerView.addItemDecoration(new DividerItemDecoration(getActivity(), DividerItemDecoration.VERTICAL_LIST));
    ((BrowseListHeader) v.findViewById(R.id.header)).setBrowseSelectionListener(this);
    ((EventListHeader) v.findViewById(R.id.eventHeader)).setReceiver(this);
    ((ArtListHeader) v.findViewById(R.id.artHeader)).setListener(this);
    return v;
}