Android 解析JSON数据填充到Listview中

JSON代码格式化：http://blog.92coding.com/tool/jsonformat.html

用GSON处理JSON数据：http://www.cnblogs.com/VinC/archive/2011/02/25/Use-GSon-Hand-JsonData-For-Android-Device.html

新浪微博开发Json解析：http://www.cnblogs.com/xiaoxiongbuwawa/archive/2012/10/11/2718551.html

Json数据解析：http://www.open-open.com/bbs/view/1319448346593

Json解析及简单例子：http://www.open-open.com/lib//view/open1326376799874.html

类似的json数组数据

[
     {
        "screen_name": "阿信",
         "followers_count": 11091994,
         "uid": 1265020392
     },
     {
         "screen_name": "阿信星闻",
         "followers_count": 22427,
         "uid": 1822541757
     }

 ]

[
     {
        "screen_name": "阿信",
         "followers_count": 11091994,
         "uid": 1265020392
     },
     {
         "screen_name": "阿信星闻",
         "followers_count": 22427,
         "uid": 1822541757
     }

 ]

为了简洁方便首先写一个向服务器发送请求得到相应数据的类：

package com.wmh.googledoodles;

import java.io.IOException;

import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;



public class MyHttp
{
    public String httpGet(String url)
    {
        String response = null;
        HttpClient httpClient = new DefaultHttpClient();
        //创建HttpGet对象
        HttpGet httpGet = new HttpGet(url);
        HttpResponse httpResponse;
        try
        {
            //使用execute方法发送 HttpGet请求，并返回httRresponse对象
            httpResponse = httpClient.execute(httpGet);
            int statusCode = httpResponse.getStatusLine().getStatusCode();
            if(statusCode==HttpStatus.SC_OK)
            {
                //获得返回结果
                response=EntityUtils.toString(httpResponse.getEntity());
            }

        } catch (ClientProtocolException e)
        {

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

            e.printStackTrace();
        }

        return response;
    }
}

package com.wmh.googledoodles;

import java.io.IOException;

import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;



public class MyHttp
{
	public String httpGet(String url)
	{
		String response = null;
		HttpClient httpClient = new DefaultHttpClient();
		//创建HttpGet对象
		HttpGet httpGet = new HttpGet(url);
		HttpResponse httpResponse;
		try
		{
			//使用execute方法发送 HttpGet请求，并返回httRresponse对象
			httpResponse = httpClient.execute(httpGet);
			int statusCode = httpResponse.getStatusLine().getStatusCode();
			if(statusCode==HttpStatus.SC_OK)
			{
				//获得返回结果
				response=EntityUtils.toString(httpResponse.getEntity());
			}
			
		} catch (ClientProtocolException e)
		{
			
			e.printStackTrace();
		} catch (IOException e)
		{
			
			e.printStackTrace();
		}
		
		return response;
	}
}

再在MainActivity中获取JSON数据，解析出数据内容，填充进适配器，再绑定到Listview控件上

public class MainActivity extends Activity
{

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

        List> ListData = getListData();
        SimpleAdapter ListAdapter = new SimpleAdapter(this,ListData, R.layout.list_item,
                                                                     new String []{"screen_name","uid"},
                                                                     new int []{R.id.name,R.id.uid});

        ListView list = (ListView)findViewById(R.id.list);
        list.setAdapter(ListAdapter);

    }

    private List> getListData()
    {
        List> Data = new ArrayList>();
        String url = "XXXXXX";
        MyHttp myHttp = new MyHttp();
        String retStr = myHttp.httpGet(url);

        try
        {
            JSONArray jsonArray = new JSONArray(retStr);
                for (int i = 0; i < jsonArray.length(); i++)
                  {
                      JSONObject jsonObject = jsonArray.getJSONObject(i);;
                      {
                        HashMap hashMap = new HashMap();
                        hashMap.put("screen_name", jsonObject.getString("screen_name"));
                        hashMap.put("uid", jsonObject.getString("uid"));
                                                Data.add(hashMap);
                      }
                  }

        } catch (JSONException e)
        {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        return Data;

    }

}

public class MainActivity extends Activity
{

	@Override
	protected void onCreate(Bundle savedInstanceState)
	{ 
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		
		List> ListData = getListData();
		SimpleAdapter ListAdapter = new SimpleAdapter(this,ListData, R.layout.list_item,   
                                                                     new String []{"screen_name","uid"}, 
                                                                     new int []{R.id.name,R.id.uid});
		
		ListView list = (ListView)findViewById(R.id.list);
		list.setAdapter(ListAdapter);
		
	}
	
	private List> getListData()
	{
		List> Data = new ArrayList>();
		String url = "XXXXXX";
		MyHttp myHttp = new MyHttp();
		String retStr = myHttp.httpGet(url);
		
		try
		{
			JSONArray jsonArray = new JSONArray(retStr);
				for (int i = 0; i < jsonArray.length(); i++)
			      {
			          JSONObject jsonObject = jsonArray.getJSONObject(i);;
			          {
						HashMap hashMap = new HashMap();
						hashMap.put("screen_name", jsonObject.getString("screen_name"));
						hashMap.put("uid", jsonObject.getString("uid"));
                                                Data.add(hashMap);			          
			          }
			      }
		
		} catch (JSONException e)
		{
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		return Data;
		
	}     

}