xlistview

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第三部

MyAdapter

package com.bawei.test.xlistview;import android.content.Context;import android.util.Log;import android.view.View;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.ImageView;import android.widget.TextView;import com.nostra13.universalimageloader.core.DisplayImageOptions;import com.nostra13.universalimageloader.core.ImageLoader;import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;import com.nostra13.universalimageloader.core.display.RoundedBitmapDisplayer;import java.util.List;class MyAdapter  extends BaseAdapter {        List<DataBean.NewslistBean> list;        Context context;    private static final int typeOne = 0;    private static final int typeTwo = 1;    public MyAdapter(List<DataBean.NewslistBean> list, Context context) {            this.list = list;            this.context = context;        }        @Override        public int getCount() {            return list.size();        }        @Override        public Object getItem(int i) {            return list.get(i);        }        @Override        public long getItemId(int i) {            return i;        }        @Override        public View getView(int i, View view, ViewGroup viewGroup) {            ViewHolderOne holderOne=null;            ViewHolderTwo holderTwo=null;            int type = getItemViewType(i);            if (view == null){                switch (type) {                    case typeOne:                        holderOne = new ViewHolderOne();                        view = View.inflate(context, R.layout.item_layout,null);                        holderOne.img_01 = (ImageView) view.findViewById(R.id.img_01);                        holderOne.img_02 = (ImageView) view.findViewById(R.id.img_02);                        holderOne.img_03 = (ImageView) view.findViewById(R.id.img_03);                        holderOne.text_author = (TextView) view.findViewById(R.id.text_author);                        holderOne.text_title = (TextView) view.findViewById(R.id.text_title);                        holderOne.text_time = (TextView) view.findViewById(R.id.text_time);                        view.setTag(holderOne);                        break;                    case typeTwo:                        holderTwo = new ViewHolderTwo();                        view = View.inflate(context, R.layout.itemtwo_layout,null);                        holderTwo.imgtwo_01= (ImageView) view.findViewById(R.id.imgtwo_01);                        holderTwo.texttwo_title= (TextView) view.findViewById(R.id.texttwo_title);                        view.setTag(holderTwo);                        break;                    default:                        break;                }            }            switch (type) {                case typeOne:                    //赋值                    holderOne= (ViewHolderOne) view.getTag();                    holderOne.text_author.setText(list.get(i).getDescription());                    holderOne.text_title.setText(list.get(i).getTitle());                    holderOne.text_time.setText(list.get(i).getCtime());                    //图片去加载                    DisplayImageOptions options = new DisplayImageOptions.Builder()                            .showImageOnLoading(R.mipmap.img_in)            //加载图片时的图片                            .showImageForEmptyUri(R.mipmap.img_er)         //没有图片资源时的默认图片                            .showImageOnFail(R.mipmap.img_on)              //加载失败时的图片                            .cacheInMemory(true)                               //启用内存缓存                            .cacheOnDisk(true)                                 //启用外存缓存                            .considerExifParams(true)                          //启用EXIF和JPEG图像格式                            .displayer(new RoundedBitmapDisplayer(20))         //设置显示风格这里是圆角矩形                            .build();                    ImageLoader.getInstance().init(ImageLoaderConfiguration.createDefault(context));                    ImageLoader.getInstance().displayImage(list.get(i).getPicUrl().toString(), holderOne.img_01, options);                    ImageLoader.getInstance().displayImage(list.get(i).getPicUrl().toString(), holderOne.img_02, options);                    ImageLoader.getInstance().displayImage(list.get(i).getPicUrl().toString(), holderOne.img_03, options);                    break;                case typeTwo:                   holderTwo= (ViewHolderTwo) view.getTag();                   holderTwo.texttwo_title.setText(list.get(i).getDescription());                    ImageLoader.getInstance().displayImage(list.get(i).getPicUrl().toString(), holderTwo.imgtwo_01);                    break;                default:                    break;            }            return view;        }    @Override    public int getItemViewType(int position) {        int  postype=position%2;      if (postype==0){      return typeOne ;       }else {          return typeTwo ;      }    }    @Override    public int getViewTypeCount() {        return 2;    }    class ViewHolderOne{            TextView text_title;            TextView text_author;            TextView text_time;            ImageView img_01;            ImageView img_02;            ImageView img_03;        }    class  ViewHolderTwo{        TextView texttwo_title;        ImageView imgtwo_01;    }}

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