public static SecondListFragment newInstance(int exampleId)
        {
            SecondListFragment f = new SecondListFragment();

            // Supply index input as argument.
            Bundle args = new Bundle();
            args.PutInt("mExampleId", exampleId);
            f.Arguments = args;

            return f;
        }
            public override Java.Lang.Object InstantiateItem(ViewGroup container, int position)
            {
                // create a new listview
                ListView listView = new ListView(context);
                IListAdapter adapter = new SecondListFragment(pages_strings[position], context);

                // bind the adapter to the listview
                listView.Adapter = adapter;

                (container as ViewPager).AddView(listView, 0);

                return listView;
            }