开源框架AsyncHttpClient的问题，请指教

ipip2005 2014-07-03 06:13:37

本人新手，最近在学习android上和web服务端的文件发送方法。
找到了一个开源的框架AsyncHttpClient，用法简单速度快，但是现在跑不出来一个结果

package com.example.netest;



import java.io.BufferedReader;

import java.io.ByteArrayOutputStream;

import java.io.DataOutputStream;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.io.OutputStream;

import java.net.HttpURLConnection;

import java.net.MalformedURLException;

import java.net.Socket;

import java.net.URL;

import java.net.UnknownHostException;



import org.json.JSONObject;



import com.loopj.android.http.AsyncHttpClient;

import com.loopj.android.http.AsyncHttpResponseHandler;

import com.loopj.android.http.RequestParams;



import android.support.v7.app.ActionBarActivity;

import android.support.v7.app.ActionBar;

import android.support.v4.app.Fragment;

import android.content.Intent;

import android.graphics.Bitmap;

import android.graphics.drawable.BitmapDrawable;

import android.graphics.drawable.Drawable;

import android.os.Bundle;

import android.util.Log;

import android.view.LayoutInflater;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.view.View.OnClickListener;

import android.view.ViewGroup;

import android.widget.Button;

import android.widget.ImageView;

import android.widget.TextView;

import android.widget.Toast;

import android.os.Build;



public class MainActivity extends ActionBarActivity {

	// 要上传的文件路径，理论上可以传输任何文件，实际使用时根据需要处理  

	  private String uploadFile = "/sdcard/IMG_20140224_184154.jpg";  

	  // 服务器上接收文件的处理页面，这里根据需要换成自己的  

	  private String actionUrl = "http://10.21.141.35/practice/test.php";  



	  

	  @Override  

	  public void onCreate(Bundle savedInstanceState)  

	  {  

	    super.onCreate(savedInstanceState);  

	    setContentView(R.layout.activity_main);  

	  

	    /* 设置mButton的onClick事件处理 */ 

	    uploadFile(actionUrl);  

	  }  

	  

	  /* 上传文件至Server，uploadUrl：接收文件的处理页面 */  

	  private void uploadFile(String uploadUrl)  

	  {  

	    AsyncHttpClient client = new AsyncHttpClient();

	    RequestParams params = new RequestParams();

	    

	    File file = new File(uploadFile);

	    //JSONObject js = new JSONObject(file);

	    try {

			params.put("pic",file);

			params.put("text","nothanks");

		} catch (FileNotFoundException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

	    

	    client.post(actionUrl, params, 

	    		new AsyncHttpResponseHandler());

	    Toast.makeText(this, "OVER", Toast.LENGTH_LONG).show();

	  }  

	}