public static PlaceholderFragment newInstance(int sectionNumber) {
            PlaceholderFragment fragment = new PlaceholderFragment();
            Bundle args = new Bundle();
            args.putInt(ARG_SECTION_NUMBER, sectionNumber);
            fragment.setArguments(args);
            return fragment;
        }
Returns a new instance of this fragment for the given section
number.
app/src/main/java/home/smart/fly/animations/ui/activity/ViewPagerNestedActivity.java