تعریف صحیح آداپتر

public class AdapterCategory extends ArrayAdapter<StructGame> {

    public AdapterCategory(ArrayList<StructGame> array) {
        super(G.context, R.layout.custom_list_category, array);
    }


    private static class ViewHolder {

        public ViewGroup layoutRoot;
        public TextView  txtgname;
        public ImageView imghand;
        public TextView  txtcount;


        public ViewHolder(View view) {
            layoutRoot = (ViewGroup) view.findViewById(R.id.layoutRoot_cat);
            txtgname = (TextView) view.findViewById(R.id.txtName_cat);
            imghand = (ImageView) view.findViewById(R.id.imgHand_cat);
            txtcount = (TextView) view.findViewById(R.id.txtCount_cat);
        }


        public void fill(final ArrayAdapter<StructGame> adapter, final StructGame item, final int position)
        {
            txtgname.setText("" + item.gname);
            txtcount.setText("" + item.count);
            layoutRoot.setOnClickListener(new OnClickListener() {

                @Override
                public void onClick(View v) {
                    // TODO Auto-generated method stub
                    Intent intent = new Intent(G.currentActivity, ActivityGameCategory.class);
                    G.currentActivity.startActivity(intent);
                }
            });
        }
    }


    @Override
    public View getView(int position, View convertView, ViewGroup parent) {

        ViewHolder holder;

        StructGame item = getItem(position);
        if (convertView == null) {

            convertView = G.inflater.inflate(R.layout.custom_list_category, parent, false);
            holder = new ViewHolder(convertView);

            convertView.setTag(holder);

        } else {
            holder = (ViewHolder) convertView.getTag();
        }
        if (position % 2 == 0) {
            convertView.setBackgroundResource(R.drawable.list_background_alternate);

        } else {
            convertView.setBackgroundResource(R.drawable.list_backgroundcolor);
        }
        holder.fill(this, item, position);
        return convertView;
    }
}

 public class AdapterCategory extends ArrayAdapter<StructGame> {

    private int layoutId;

    public AdapterCategory(ArrayList<StructGame> array, int layoutId) {
        super(G.context, R.layout.custom_list_category, array);

        this.layoutId=layoutId;
    }


    private static class ViewHolder {

        public ViewGroup layoutRoot;
        public TextView  txtgname;
        public ImageView imghand;
        public TextView  txtcount;


        public ViewHolder(View view) {
            layoutRoot = (ViewGroup) view.findViewById(R.id.layoutRoot_cat);
            txtgname = (TextView) view.findViewById(R.id.txtName_cat);
            imghand = (ImageView) view.findViewById(R.id.imgHand_cat);
            txtcount = (TextView) view.findViewById(R.id.txtCount_cat);
        }


        public void fill(final ArrayAdapter<StructGame> adapter, final StructGame item, final int position)
        {
            txtgname.setText("" + item.gname);
            txtcount.setText("" + item.count);
            layoutRoot.setOnClickListener(new OnClickListener() {

                @Override
                public void onClick(View v) {
                    // TODO Auto-generated method stub
                    Intent intent = new Intent(G.currentActivity, ActivityGameCategory.class);
                    G.currentActivity.startActivity(intent);
                }
            });
        }
    }


    @Override
    public View getView(int position, View convertView, ViewGroup parent) {

        ViewHolder holder;

        StructGame item = getItem(position);
        if (convertView == null) {

            convertView = G.inflater.inflate(layoutId, parent, false);
            holder = new ViewHolder(convertView);

            convertView.setTag(holder);

        } else {
            holder = (ViewHolder) convertView.getTag();
        }
        if (position % 2 == 0) {
            convertView.setBackgroundResource(R.drawable.list_background_alternate);

        } else {
            convertView.setBackgroundResource(R.drawable.list_backgroundcolor);
        }
        holder.fill(this, item, position);
        return convertView;
    }
}

 

البته تو ادیتور سایت تغییر دادم . تست کن