BaseAdapter 适配器模板

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import java.util.List;

import com.example.guotaian1509c20170904.R;
import com.nostra13.universalimageloader.core.ImageLoader;

import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;
/**
 * 自定义适配器
 * @author
 * 20170904
 */
public class Myadpader extends BaseAdapter{

 
 private List<Newslist> data;
 private Context context;
 
 public Myadpader(List<Newslist> data, Context context) {
  super();
  this.data = data;
  this.context = context;
 }

 @Override
 public int getCount() {
  // TODO Auto-generated method stub
  return data.size();
 }

 @Override
 public Object getItem(int arg0) {
  // TODO Auto-generated method stub
  return null;
 }

 @Override
 public long getItemId(int position) {
  // TODO Auto-generated method stub
  return 0;
 }

 @Override
 public View getView(int position, View convertView, ViewGroup parent) {
  Honder honder =null;
 //做适配器的优化
  if (convertView==null) {
   convertView=View.inflate(context, R.layout.zidinyi, null);
       honder = new Honder();
       honder.img=(ImageView) convertView.findViewById(R.id.img);
       honder.name= (TextView) convertView.findViewById(R.id.name);
       honder.shijian= (TextView) convertView.findViewById(R.id.shijian);
       convertView.setTag(honder);
  }else{
   
   honder=(Honder) convertView.getTag();
  }
//此行代码是使用ImageLoader异步加载图片时给控件赋值图片
  ImageLoader.getInstance().displayImage(data.get(position).getPicUrl(), honder.img);

  honder.name.setText(data.get(position).getTitle());
  honder.shijian.setText(data.get(position).getCtime());


       return convertView;
 }

 class Honder{
  ImageView img;
  TextView name;
  TextView shijian;
  
 }
  
  
  
}
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