[Demonstration 1]

[Buggy Method]
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    // Inflate the layout for this fragment
    FragmentPostsBinding binding = DataBindingUtil.inflate(inflater, R.layout.fragment_posts, container, false);
    binding.setArticle(article);
    final LinearLayoutManager linearLayoutManager = new LinearLayoutManager(getActivity());
    DDViewBindingCursorLoaderAdapter viewAdapter = RecyclerViewAdapterFactory.getArticleListAdapter(getActivity());
    viewAdapter.onItemClick((itemView, position) -> {
        Snackbar.make(itemView, position + "clicked", Snackbar.LENGTH_LONG).show();
        Article itemArticle = JandanApp.daoSession.getArticleDao().readEntity(viewAdapter.getItemCursor(position), 0);
        article.setArticleId(itemArticle.getArticleId());
        article.setTitle(itemArticle.getTitle());
        article.setId(itemArticle.getId());
    });
    binding.myRecyclerView.setLayoutManager(linearLayoutManager);
    binding.myRecyclerView.setAdapter(viewAdapter);
    binding.swipeRefreshLayout.setColorSchemeResources(R.color.amber_700, R.color.deep_purple_a200);
    binding.swipeRefreshLayout.setOnRefreshListener((direction) -> {
        switch(direction) {
            case TOP:
                {
                    Observable.range(1, 10).subscribeOn(Schedulers.io()).doOnNext(integer -> {
                        long offset = JandanApp.daoSession.getArticleDao().count();
                        Article newArticle = new Article(offset + "");
                        newArticle.setArticleId(offset);
                        JandanApp.daoSession.getArticleDao().insert(newArticle);
                    }).observeOn(AndroidSchedulers.mainThread()).subscribe((T) -> {
                    }, (E) -> {
                    }, () -> {
                        binding.swipeRefreshLayout.setRefreshing(false);
                    });
                    break;
                }
            case BOTTOM:
                {
                    Observable.timer(2, TimeUnit.SECONDS).observeOn(AndroidSchedulers.mainThread()).subscribe(aLong -> {
                        binding.swipeRefreshLayout.setRefreshing(false);
                    });
                    break;
                }
        }
    });
    binding.fab.setOnClickListener(v -> binding.myRecyclerView.smoothScrollToPosition(linearLayoutManager.getItemCount() - 1));
    binding.insertBtn.setOnClickListener(v -> {
        //                Snackbar.make(v, article.getTitle(), Snackbar.LENGTH_SHORT).show()
        article.setTitle(binding.inputTitle.getText().toString());
        JandanApp.daoSession.getArticleDao().update(article);
    });
    getLoaderManager().initLoader(0, null, viewAdapter);
    return binding.getRoot();
}

[Buggy Hunk]
Article itemArticle = JandanApp.daoSession.getArticleDao().readEntity(viewAdapter.getItemCursor(position), 0);

[Patch]
Article itemArticle = JandanApp.daoSession.getArticleDao().transEntity(viewAdapter.getItemCursor(position));

[Demonstration 2]

[Buggy Method]
@Override
public void onLoadingChanged(boolean isLoading) {
    if (DEBUG) {
        Log.d(LOGTAG, "loading [" + isLoading + "]");
    }
    if (!isLoading) {
        // To update buffered position.
        mComponentEventDispatcher.onDataArrived(C.TRACK_TYPE_DEFAULT);
    }
}

[Buggy Hunk]
public void onLoadingChanged(boolean isLoading) {

[Patch]
public synchronized void onLoadingChanged(boolean isLoading) {

[Demonstration 3]

[Buggy Method]
@Override
public void installModule(IModule module) {
    if (!getState().getInstalledModules().containsKey(module.getUniqueID()) && getModuleCount() + 1 <= getModuleCount() && module.canInstall(this)) {
        getState().getInstalledModules().put(module.getUniqueID(), module);
        module.onInstalled();
    }
}

[Buggy Hunk]
&& getModuleCount() + 1 <= getModuleCount() && module.canInstall(this)) {

[Patch]
&& getModuleCount() + 1 <= getModuleLimit() && module.canInstall(this)) {