adapter的getCount值不为0，但是不执行getview方法，在ErrorLog中打印出来的log在下面贴出来了，希望路过的大牛们帮忙看看
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android listview自定义adapter,getview方法不显示
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- aloneGirle 2015-07-25 09:12已采纳
问题找到了，是我的listView的布局控件不正确，已经改好了
点赞 打赏 评论分享 - Ji_xiao_qiang 2015-07-23 02:51
空指针异常，找找在哪个位置。
点赞 打赏 评论分享 - HalfmanG2 2015-07-23 03:18
log和问的错没什么关系
点赞 打赏 评论分享 - oaosj000 2015-07-23 03:26
贴适配器代码出来看看。感觉是没声明~~
点赞 打赏 评论分享 - aloneGirle 2015-07-23 06:34
private Context cont;
private ArrayList list;
private ImageLoader imageLoader;public GoodsListAdapter(Context context,ImageLoader imageLoaders){ this.cont = context; this.imageLoader = imageLoaders; } public void setList(ArrayList<GoodsInfo> lists){ this.list = lists; } @Override public int getCount() { // TODO Auto-generated method stub if(list.size()>0){ //Log.e("==============7777==============", list.size()+""); return list.size(); } return 0; } @Override public Object getItem(int position) { // TODO Auto-generated method stub return position; } @Override public long getItemId(int position) { // TODO Auto-generated method stub return position; } @Override public View getView(int position, View convertview, ViewGroup arg2) { // TODO Auto-generated method stub HelpHolder helpHolder = null; Log.e("==============11111==============", "helpHolder"); //没有打印出来 if(convertview == null){ helpHolder = new HelpHolder(); convertview = LayoutInflater.from(cont).inflate(R.layout.goodslist_item, null); helpHolder.image = (ImageView) convertview.findViewById(R.id.list_goods_image); helpHolder.text1 = (TextView) convertview.findViewById(R.id.list_destination_name); helpHolder.text2 = (TextView) convertview.findViewById(R.id.distance_numb); //距离 helpHolder.text3 = (TextView) convertview.findViewById(R.id.list_goods_name); helpHolder.text4 = (TextView) convertview.findViewById(R.id.list_goods_price); helpHolder.text5 = (TextView) convertview.findViewById(R.id.goods_old_price); helpHolder.text6 = (TextView) convertview.findViewById(R.id.goods_sales_number); convertview.setTag(helpHolder); }else{ helpHolder = (HelpHolder) convertview.getTag(); } Log.e("==============3333==============", list.get(position).getProductName()); helpHolder.text1.setText(list.get(position).getProductName()); //helpHolder.text2.setText(list.get(position).get); //距离 helpHolder.text3.setText(list.get(position).getProductInfo()); helpHolder.text4.setText(list.get(position).getFavorablePrice()); helpHolder.text5.setText(list.get(position).getMarketPrice()+"元"); helpHolder.text6.setText("已售"+list.get(position).getSaleNumber()); //UrlImageViewHelper.setUrlDrawable(helpHolder.image, list.get(position).getAdImg(), // cont.getResources().getDrawable(R.drawable.ic_launcher)); imageLoader.displayImage(list.get(position).getThumbUrl(), helpHolder.image); return convertview; }点赞 打赏 评论分享 - jian_cheng_90 2015-07-23 11:12
难道getItem要写成return position么？应该是return lists.get(position)不是么？空指针的问题很容易发现，你打个断点或者log看看就能分析出来了
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