@Override
public View getView(int position, View convertView, ViewGroup parent) {
final ViewHolder holder;
if (convertView == null) {
// 使用自定义的list_items作为Layout
convertView = mInflater.inflate(mResource, parent, false);
// 减少findView的次数
holder = new ViewHolder();
// 初始化布局中的元素
holder.itemsIcon = ((ImageView) convertView.findViewById(mTo[0]));
holder.itemsTitle = ((TextView) convertView.findViewById(mTo[1]));
holder.itemsText = ((TextView) convertView.findViewById(mTo[2]));
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
// 获取该行的数据
@SuppressWarnings("unchecked")
final Map<String, Object> obj = (Map<String, Object>) mData.get(position);
String imageUrl = (String) obj.get("itemsIcon");
holder.itemsTitle.setText((String) obj.get("itemsTitle"));
holder.itemsText.setText((String) obj.get("itemsText"));
// 设置加载中的View
mAbImageDownloader.setLoadingView(convertView.findViewById(R.id.progressBar));
// 图片的下载
mAbImageDownloader.display(holder.itemsIcon, imageUrl);
return convertView;
}
private void initViewAdapter(ArrayList<News> list2) {
// TODO Auto-generated method stub
ArrayList<View> list = new ArrayList<View>();
LinearLayout.LayoutParams params =
new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
AbImageDownloader mAbImageDownloader = new AbImageDownloader(context);
for (int i = 0; i < 3; i++) {
ImageView imageView = new ImageView(context);
imageView.setLayoutParams(params);
imageView.setScaleType(ScaleType.FIT_XY);
mAbImageDownloader.display(imageView, list2.get(i).getImgUrl1());
list.add(imageView);
}
viewPager1.setAdapter(new ViewAdapter(list));
}
/**
* 构造方法
*
* @param context
* @param data 列表展现的数据
* @param resource 单行的布局
* @param from Map中的key
* @param to view的id
*/
public ImageListAdapter(Context context, List data, int resource, String[] from, int[] to) {
this.mContext = context;
this.mData = data;
this.mResource = resource;
this.mFrom = from;
this.mTo = to;
// 用于将xml转为View
this.mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
// 图片下载器
mAbImageDownloader = new AbImageDownloader(mContext);
mAbImageDownloader.setWidth(240);
mAbImageDownloader.setHeight(400);
mAbImageDownloader.setType(AbConstant.SCALEIMG);
mAbImageDownloader.setLoadingImage(R.drawable.image_loading);
mAbImageDownloader.setErrorImage(R.drawable.image_error);
mAbImageDownloader.setNoImage(R.drawable.image_no);
// mAbImageDownloader.setAnimation(true);
}