title: uploading files in android using emulator and localsystem
body: <p>hi friends iam trying to upload a file from the android device to the server.i tried it with emulator and localhost  but it does not working.
  i am using wamp server in local system . my android code for upload file is given below. i need  uploading file from emulator to localsystem</p>
  
  <p>upload.java</p>
  
  <pre><code>HttpURLConnection conn = null;
  DataOutputStream dos = null;
  DataInputStream inStream = null;
  String existingFileName =FileName.getText().toString();
  String lineEnd = "\r\n";
  String twoHyphens = "--";
  String boundary =  "*****";
  int bytesRead, bytesAvailable, bufferSize;
  byte[] buffer;
  int maxBufferSize = 1*1024*1024;
  //String responseFromServer = "";
  String urlString="http://localhost/uploads/upload.php";
  
  try
  {
  
  FileInputStream fileInputStream = new FileInputStream(new File(existingFileName) );
   // open a URL connection to the Servlet
   URL url = new URL(urlString);
  
   conn = (HttpURLConnection) url.openConnection();
  
   conn.setDoInput(true);
  
   conn.setDoOutput(true);
  
   conn.setUseCaches(false);
  
   conn.setRequestMethod("POST");
   conn.setRequestProperty("Connection", "Keep-Alive");
   conn.setRequestProperty("Content-Type", "multipart/form-data;boundary="+boundary);
   dos = new DataOutputStream( conn.getOutputStream() );
   dos.writeBytes(twoHyphens + boundary + lineEnd);
   dos.writeBytes("Content-Disposition: form-data; name=\"uploadedfile\";filename=\"" + existingFileName + "\"" + lineEnd);
   dos.writeBytes(lineEnd);
  
   bytesAvailable = fileInputStream.available();
   bufferSize = Math.min(bytesAvailable, maxBufferSize);
   buffer = new byte[bufferSize];
  
   bytesRead = fileInputStream.read(buffer, 0, bufferSize);
   while (bytesRead &gt; 0)
   {
    dos.write(buffer, 0, bufferSize);
    bytesAvailable = fileInputStream.available();
    bufferSize = Math.min(bytesAvailable, maxBufferSize);
    bytesRead = fileInputStream.read(buffer, 0, bufferSize);
   }
  
   dos.writeBytes(lineEnd);
   dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
  
   Log.e("Debug","File is written");
   fileInputStream.close();
   dos.flush();
   dos.close();
   Toast.makeText(Upload.this, "Files have been uploaded successfully",Toast.LENGTH_SHORT).show();
  }
  catch (MalformedURLException ex)
  {
       Log.e("Debug", "error: " + ex.getMessage(), ex);
  }
  catch (IOException ioe)
  {
       Log.e("Debug", "error: " + ioe.getMessage(), ioe);
  }
  
  try {
        inStream = new DataInputStream ( conn.getInputStream() );
        String str;
  
        while (( str = inStream.readLine()) != null)
        {
             Log.e("Debug","Server Response "+str);
        }
        inStream.close();
  
  }
  catch (IOException ioex)
  {
       Log.e("Debug", "error: " + ioex.getMessage(), ioex);
  }
  </code></pre>
  
  <p>here is my php code</p>
  
  <p>upload.php</p>
  
  <pre><code>&lt;?php
  
   $target_path = "uploads/";
  
   $target_path = $target_path . basename( $_FILES['uploadedfile']['name']);
  
   if(move_uploaded_file($_FILES['uploadedfile']['tmp_name'], $target_path)) {
  echo "The file ". basename( $_FILES['uploadedfile']['name']).
      " has been uploaded";
   } 
  
   else{
        echo "There was an error uploading the file, please try again!";
     }
     ?&gt;
  </code></pre>
  
  <p>i have a folder named uploads in the www directory of wamp folder.and i need to store the uploaded file in this folder.</p>
  
  <p>but when i run the android program it shows error message as</p>
  
  <pre><code>"java.net.Connect Exception: localhost/127.0.0.1:80 - Connection refused"
  </code></pre>
  
  <p>can anybody give me a solution for this and let me know my coding are enough to achieve my target.  thanks in advance</p>