how to create smooth navigation drawer

Question

I am using this example for navigation drawer. When clicking on of item of left drawer listview it shows some images but drawerLayout closes not smoothly.

What should I

Answer 1

Works perfect

private class DrawerItemClickListener implements ListView.OnItemClickListener {
        @Override
        public void onItemClick(AdapterView parent, View view, final int position, long id) {
            mDrawerLayout.closeDrawer(mDrawerList);
            mDrawerLayout.postDelayed(new Runnable() {
                @Override
                public void run() {
                    selectItem(position);
                }
            }, 300);
        }
    }