public class IconListViewAdapter extends ArrayAdapter<Genres> {
    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        Button buttonGo = null;

        View mainView = null;
        LayoutInflater mainViewInflater = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        mainView = mainViewInflater.inflate(R.layout.main, null);

        buttonGo = (Button) mainView.findViewById(R.id.buttonGo);

        if (this.selectedPos == position) {
            buttonGo.setBackgroundResource(R.drawable.go);
        }
        else {
            buttonGo.setBackgroundResource(R.drawable.gone);
        }
    }
}