参考:
package mobi.develop.adapter;
import java.util.ArrayList;
import java.util.List;import mobi.develop.view.ImageTextHView;
import android.app.Activity;import android.view.View;import android.view.ViewGroup;import android.widget.BaseAdapter;import com.androidTT.data.Cache;
/**
* ListView 的 Adapter * **/public class ListViewAdapter extends BaseAdapter{private Activity mContext;
private List<Integer> lstPosition=new ArrayList<Integer>(); private List<View> lstView=new ArrayList<View>();public ListViewAdapter(Activity context){
mContext = context; }@Override
public int getCount() { // TODO Auto-generated method stub return Cache.imgPathArrayList.size(); }@Override
public Object getItem(int position) { // TODO Auto-generated method stub return null; }@Override
public long getItemId(int position) { // TODO Auto-generated method stub return position; }@Override
public View getView(int position, View convertView, ViewGroup parent) { // TODO Auto-generated method stub if (lstPosition.contains(position) == false) { if(lstPosition.size()>20){//这里设置缓存的Item数量 lstPosition.remove(0);//删除第一项 lstView.remove(0);//删除第一项 } ImageTextHView imageTextHView = new ImageTextHView(mContext,position); convertView = imageTextHView;lstPosition.add(position);//添加最新项
lstView.add(convertView);//添加最新项 }else{ convertView = lstView.get(lstPosition.indexOf(position)); }return convertView;
}
}