Android中使用ArrayAdapter和ListView的大型数据集

public class IntRangeAdapter extends BaseAdapter {
    private LayoutInflater mInflater;
    privatE int mItemresource;

    public intRangeAdapter(Context context,int itemLayout) {
        // We'll use this to generate new item layouts
        mInflater = LayoutInflater.from(context);

        // This is the layout resource we'll use for each item
        mItemresource = itemLayout;
    }

    public int getCount() {
        // Since this adapter presents all positive Integers,// we have Integer.max_value items.
        return Integer.max_value;
    }

    public Object getItem(int position) {
        // Each item is simply its position index.
        return position;
    }

    public long getItemId(int position) {
        // Our items won't change and we don't need stable IDs,// so the position of an item is also its ID.
        return position;
    }

    public View getView(int position,View convertView,ViewGroup parent) {
        if (convertView == null) {
            // Inflate a new item layout if we weren't given an exisTing
            // one to reuse via the convertView parameter.
            convertView = mInflater.inflate(mItemresource,parent,falsE);
        }

        // Find the TextView where we will label the item.
        // (This can be optimized a bit for more complex layouts
        // but we won't bother for this example.)
        TextView tv = (TextView) convertView.findViewById(android.R.id.text1);

        // Set the item text based on its position.
        tv.setText("Item " + position);

        return convertView;
    }
}

this.setlistadapter(new IntRangeAdapter(this,android.R.layout.simple_list_item_1));