public class MainActivity extends BindingAppCompatActivity<MainActivityBinding> {

    @Override
    protected int provideContentView(@Nullable Bundle savedInstanceState) {
        return R.layout.main_activity;
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        // do anything you want, for example:
        binding.setUser(user);
    }

}

public class MainFragment extends BindingFragment<ProfileFragmentBinding> {

    @Override
    public int provideContentView(@Nullable Bundle savedInstanceState) {
        return R.layout.profile_fragment;
    }

    @Override
    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
        // do anything you want, for example:
        binding.setUser(user);
    }

}

public class PhotoAdapter extends BindingRecyclerView.ListAdapter<Photo, PhotoAdapter.ViewHolder> {

    public PhotoAdapter(Context context, ObservableList<Photo> data) {
        super(context, data);
    }

    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        return new ViewHolder(inflater, parent);
    }

    @Override
    public void onBindViewHolder(ViewHolder holder, int position) {
        holder.binding.setItem(data.get(position));
    }

    public class ViewHolder extends BindingRecyclerView.ViewHolder<PhotoItemBinding> {

        public ViewHolder(LayoutInflater inflater, ViewGroup parent) {
            super(inflater, R.layout.photo_item, parent);
        }

    }

}

private final ObservableList photos = new ObservableArrayList();

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    /* ... */

    recyclerView.setAdapter(new PhotoAdapter(this, photos));

    // Just add your items in the ObservableList, BindingRecyclerView.ListAdapter will take care of the
    // binding for you.
    photos.addAll(/* ... */);
}

@Override
protected void onDestroy() {
    super.onDestroy();

    /* ... */

    // Remember to release the adapter, because it has a reference to the `photos` ObservableList.
    recyclerView.setAdapter(null);
}