final GridView  gridView1 = (GridView)findViewById(R.id.gridView1);

        ArrayList<String> listCountry1 = new ArrayList<String>();
        listCountry1.add("China");
        listCountry1.add("Japan");
        listCountry1.add("Malaysia");
        listCountry1.add("India");
        listCountry1.add("Pakistan");
        listCountry1.add("Indonesia");
        listCountry1.add("Thailand");
        listCountry1.add("Korea repoblic");
        listCountry1.add("Nepal");

        Integer[] flags = new Integer[]{R.drawable.w1, R.drawable.w12, R.drawable.w15,
                R.drawable.w26, R.drawable.w28, R.drawable.w33,
                R.drawable.w44, R.drawable.w46, R.drawable.w50};

        mAdapter1 = new GridviewAdapter(FirstSixMonthPageActivity.this, listCountry1, flags);
        gridView1.setAdapter(mAdapter1);