listview的多条目样式适配

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package com.example.monthtext;

import java.util.List;

import com.example.monthtext.Info.NewsList;
import com.lidroid.xutils.BitmapUtils;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;

import android.content.Context;
import android.content.Intent;
import android.sax.StartElementListener;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

public class MyBaseAdapter extends BaseAdapter {
private Context context;
private List<NewsList> list;
private static final int TYPE_LISTVIEW_NORMAL = 0;
private static final int TYPE_LISTVIEW_THREE = 1;
private ViewHolder viewHolder;
private BitmapUtils bitmap;
private DisplayImageOptions initOptions;
public MyBaseAdapter(Context context, List<NewsList> list) {
super();
this.context = context;
this.list = list;
initOptions = ImageLoaderUtils.initOptions();
}

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

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

@Override
public long getItemId(int arg0) {
// TODO Auto-generated method stub
return 0;
}

@Override
public int getViewTypeCount() {
// TODO Auto-generated method stub
return 2;
}

@Override
public int getItemViewType(int position) {
if(list.get(position).thumbnails_qqnews.size()==1){

return TYPE_LISTVIEW_NORMAL;
}if(list.get(position).thumbnails_qqnews.size()!=1){

return TYPE_LISTVIEW_THREE;
}

return TYPE_LISTVIEW_NORMAL;
}

@Override
public View getView(final int arg0, View convertView, ViewGroup arg2) {
bitmap = new BitmapUtils(context);

int itemViewType = getItemViewType(arg0);
if(convertView==null){
viewHolder = new ViewHolder();
switch (itemViewType) {
case TYPE_LISTVIEW_NORMAL:
convertView= View.inflate(context, R.layout.list_item_one, null);
viewHolder.lv1_img = (ImageView) convertView.findViewById(R.id.lv1_img);
viewHolder.lv1_text1 = (TextView) convertView.findViewById(R.id.lv1_text1);
viewHolder.lv1_text2 = (TextView) convertView.findViewById(R.id.lv1_text2);
convertView.setTag(viewHolder);
break;
case TYPE_LISTVIEW_THREE:
convertView= View.inflate(context, R.layout.list_item_two, null);
viewHolder.lv2_text = (TextView) convertView.findViewById(R.id.lv2_text);
viewHolder.lv2_img1 = (ImageView) convertView.findViewById(R.id.lv2_img1);
viewHolder.lv2_img2 = (ImageView) convertView.findViewById(R.id.lv2_img2);
viewHolder.lv2_img3 = (ImageView) convertView.findViewById(R.id.lv2_img3);
convertView.setTag(viewHolder);
break;

default:
break;
}
}else{

viewHolder = (ViewHolder) convertView.getTag();
switch (itemViewType) {
case TYPE_LISTVIEW_NORMAL:

ImageLoader.getInstance().displayImage(
list.get(arg0).thumbnails_qqnews.get(0),
viewHolder.lv1_img, initOptions);
viewHolder.lv1_text1.setText(list.get(arg0).title);
viewHolder.lv1_text2.setText(list.get(arg0).longtitle);

break;
case TYPE_LISTVIEW_THREE:
ImageLoader.getInstance().displayImage(
list.get(arg0).thumbnails_qqnews.get(2),
viewHolder.lv2_img3, initOptions);
ImageLoader.getInstance().displayImage(
list.get(arg0).thumbnails_qqnews.get(1),
viewHolder.lv2_img2, initOptions);
ImageLoader.getInstance().displayImage(
list.get(arg0).thumbnails_qqnews.get(0),
viewHolder.lv2_img1, initOptions);

viewHolder.lv2_text.setText(list.get(arg0).title);
break;

default:
break;
}
}
convertView.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent=new Intent(context, WebActivity.class);
intent.putExtra("url",list.get(arg0).short_url);
context.startActivity(intent);
}
});

return convertView;
}

class ViewHolder{
TextView lv1_text1 ,lv1_text2,lv2_text;
ImageView lv1_img,lv2_img1,lv2_img2,lv2_img3;
}

}

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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal" >
<ImageView
android:layout_width="100dp"
android:layout_height="100dp"
android:id="@+id/lv1_img"/>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
>
<TextView
android:textSize="18sp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/lv1_text1"/>
<TextView
android:layout_marginTop="18dp"
android:textSize="14sp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/lv1_text2"/>
</LinearLayout>
</LinearLayout>

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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/lv2_text"/>
<LinearLayout
android:layout_margin="10dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/lv2_img1"/>
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/lv2_img2"/>
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/lv2_img3"/>

</LinearLayout>
</LinearLayout>