PartTwoActivity class onShow and onHide implementation

PartTwoActivity.java

private void initRecyclerView() {
    final RecyclerView recyclerView = (RecyclerView) findViewById(R.id.recyclerView);
    recyclerView.setLayoutManager(new LinearLayoutManager(this));
    RecyclerAdapter recyclerAdapter = new RecyclerAdapter(createItemList());
    recyclerView.setAdapter(recyclerAdapter);

    recyclerView.setOnScrollListener(new HidingScrollListener(this) {

        @Override
        public void onMoved(int distance) {
            mToolbarContainer.setTranslationY(-distance);
        }

        @Override
        public void onShow() {
            mToolbarContainer.animate().translationY(0).setInterpolator(new DecelerateInterpolator(2)).start();
        }

        @Override
        public void onHide() {
            mToolbarContainer.animate().translationY(-mToolbarHeight).setInterpolator(new AccelerateInterpolator(2)).start();
        }

    });
}