HttpClient请求

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package com.bwei.httpclient;

import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.util.List;

import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;

public class MainActivity extends Activity {
   private List<Bean> list;

   private Handler handler = new Handler(){



       public void handleMessage(android.os.Message msg) {

           String json = (String) msg.obj;


           Toast.makeText(MainActivity.this, json, 0).show();

           Gson gson = new Gson();

           list = gson.fromJson(json, new TypeToken<List<Bean>>() {
            }.getType());





           lv.setAdapter(new MyAdapter());
       };
   };
   private ListView lv;

   @Override
   protected void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.activity_main);

       lv = (ListView) findViewById(R.id.lv);
       new Thread(){
           public void run() {
               String data = getData();

               Message msg = new Message();
               msg.obj = data;

               handler.sendMessage(msg);
           };

       }.start();



   }


   /*
   * 获得数据
   */
   private String getData() {

       String path ="http://169.254.135.196:8080/aa.json";
       //String path ="http://www.meirixue.com/api.php?c=index&a=index";
       //创建出HttpClient对像
       HttpClient client = new DefaultHttpClient();

       HttpGet get = new HttpGet(path);
       try {
           HttpResponse response = client.execute(get);
           //状态码
           int statusCode = response.getStatusLine().getStatusCode();

           if(statusCode==200){
               //服务器返回来的流
               InputStream is = response.getEntity().getContent();
               ByteArrayOutputStream baos = new ByteArrayOutputStream();

               int len;
               byte[] arr = new byte[1024*20];

               while((len=is.read(arr))!=-1){
                   baos.write(arr, 0, len);
               }

               return baos.toString();
           }


       } catch (Exception e) {
           e.printStackTrace();
       }

       return null;

   }

   class MyAdapter extends BaseAdapter{

       @Override
       public int getCount() {
           return list.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 0;
       }

       @Override
       public View getView(int position, View convertView, ViewGroup parent) {

           TextView tv = new TextView(MainActivity.this);
           tv.setText(list.get(position).name);
           return tv;
       }


   }

}

bean类

package com.bwei.httpclient;

public class Bean {

   public int age;
   public String name;



}

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