[java]代码库
package com.addaegg.androidwork4.adapter;
import java.util.ArrayList;
import java.util.List;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
import com.addaegg.androidwork4.R;
import com.addaegg.androidwork4.activity.MainActivity;
import com.addaegg.androidwork4.activity.ProInfoActivity;
import com.addaegg.androidwork4.activity.StoreActivity;
import com.addaegg.androidwork4.entity.CartProductInfo;
import com.addaegg.androidwork4.entity.ProductInfo;
/**
* 2列ListView的适配器
* @author tongleer.com
*
*/
public class MyAdapter extends BaseAdapter{
protected Context context;
protected LayoutInflater inflater;
protected int resource;
protected ArrayList<CartProductInfo> list;
public MyAdapter(Context context, int resource, ArrayList<CartProductInfo> list){
inflater = LayoutInflater.from(context);
this.context = context;
this.resource = resource;
if(list==null){
this.list=new ArrayList<CartProductInfo>();
}else{
this.list = list;
}
}
@Override
public int getCount() {
if(list.size()%2>0) {
return list.size()/2+1;
} else {
return list.size()/2;
}
}
@Override
public Object getItem(int position) {
return list.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder vh = null;
if (convertView == null ) {
convertView = inflater.inflate(resource, null);
vh = new ViewHolder();
vh.list_1=(LinearLayout) convertView.findViewById(R.id.list_1);
vh.list_2=(LinearLayout) convertView.findViewById(R.id.list_2);
vh.item1_img=(ImageView) convertView.findViewById(R.id.item1_img);
vh.item1_info=(TextView) convertView.findViewById(R.id.item1_info);
vh.item1_price=(TextView) convertView.findViewById(R.id.item1_price);
vh.item1_num=(TextView) convertView.findViewById(R.id.item1_num);
vh.item2_img=(ImageView) convertView.findViewById(R.id.item2_img);
vh.item2_info=(TextView) convertView.findViewById(R.id.item2_info);
vh.item2_price=(TextView) convertView.findViewById(R.id.item2_price);
vh.item2_num=(TextView) convertView.findViewById(R.id.item2_num);
convertView.setTag(vh);
}else {
vh = (ViewHolder)convertView.getTag();
}
int distance = list.size() - position*2;
int cellCount = distance >= 2? 2:distance;
final List<CartProductInfo> itemList = list.subList(position*2,position*2+cellCount);
if (itemList.size() >0) {
vh.item1_img.setImageResource(itemList.get(0).getImg());
vh.item1_info.setText(itemList.get(0).getInfo());
Log.e("getPeopleNum","¥"+itemList.get(0).getOnePrice()+"券后价");
vh.item1_price.setText("¥"+itemList.get(0).getOnePrice()+"券后价");
vh.item1_num.setText(itemList.get(0).getPeopleNum()+"人付款");
vh.list_1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent= new Intent(context, ProInfoActivity.class);
CartProductInfo cartProductInfo = new CartProductInfo(
itemList.get(0).getImg(),
itemList.get(0).getName(),
itemList.get(0).getInfo(),
itemList.get(0).getNum(),
itemList.get(0).getOnePrice(),
itemList.get(0).getAllPrice(),
itemList.get(0).getPeopleNum());
intent.putExtra("product",cartProductInfo);
context.startActivity(intent);
}
});
if (itemList.size() >1){
vh.list_2.setVisibility(View.VISIBLE);
vh.item2_img.setImageResource(itemList.get(1).getImg());
vh.item2_info.setText(itemList.get(1).getInfo());
vh.item2_price.setText("¥"+itemList.get(1).getOnePrice()+"券后价");
vh.item2_num.setText(itemList.get(1).getPeopleNum()+"人付款");
vh.list_2.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent= new Intent(context, ProInfoActivity.class);
CartProductInfo cartProductInfo = new CartProductInfo(
itemList.get(1).getImg(),
itemList.get(1).getName(),
itemList.get(1).getInfo(),
itemList.get(1).getNum(),
itemList.get(1).getOnePrice(),
itemList.get(1).getAllPrice(),
itemList.get(1).getPeopleNum());
intent.putExtra("product",cartProductInfo);
context.startActivity(intent);
}
});
}else{
vh.list_2.setVisibility(View.INVISIBLE);
}
}
return convertView;
}
/**
* 封装ListView中item控件以优化ListView
* @author tongleer
*
*/
public static class ViewHolder{
ImageView item1_img,item2_img;
TextView item1_info,item1_price,item1_num,item2_info,item2_price,item2_num;
LinearLayout list_1,list_2;
//TextView tv2;
}
}