public void onViewCreated()

in ContentProviderPaging/app/src/main/java/com/example/android/contentproviderpaging/ImageClientFragment.java [79:118]
35 lines of code
4 McCabe index (conditional complexity)

    public void onViewCreated(View rootView, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(rootView, savedInstanceState);

        final Activity activity = getActivity();

        RecyclerView recyclerView = (RecyclerView) activity.findViewById(R.id.recyclerview);
        if (mLayoutManager == null) {
            mLayoutManager = new LinearLayoutManager(activity);
        }
        recyclerView.setLayoutManager(mLayoutManager);
        if (mAdapter == null) {
            mAdapter = new ImageAdapter(activity);
        }
        recyclerView.setAdapter(mAdapter);
        recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
            @Override
            public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
                int lastVisiblePosition = mLayoutManager.findLastVisibleItemPosition();
                if (lastVisiblePosition >= mAdapter.getFetchedItemCount()) {
                    Log.d(TAG,
                            "Fetch new images. LastVisiblePosition: " + lastVisiblePosition
                                    + ", NonEmptyItemCount: " + mAdapter.getFetchedItemCount());

                    int pageId = lastVisiblePosition / LIMIT;
                    // Fetch new images once the last fetched item becomes visible
                    activity.getLoaderManager()
                            .restartLoader(pageId, null, mLoaderCallback);
                }
            }
        });

        final Button showButton = rootView.findViewById(R.id.button_show);
        showButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                activity.getLoaderManager().restartLoader(0, null, mLoaderCallback);
                showButton.setVisibility(View.GONE);
            }
        });
    }