Android upload file to PHP server with parameters using progress bar

new ProcessFileUploadTask(new File(Environment.getExternalStorageDirectory().toString()+"/yourfile_name/";


//asynch task to upload file with parameters
public class ProcessFileUploadTask extends AsyncTask<Void, Integer, Void>  implements DialogInterface.OnCancelListener{

  private ProgressDialog progressDialog;
  private File file;
  String res="";

   public ProcessFileUploadTask(File file) {
    this.file = file;
  }

   @Override
// can use UI thread here
protected void onPreExecute() {
super.onPreExecute();
try{
progressDialog = new ProgressDialog(PostDataActivity.this);
progressDialog.setMessage("Uploading... Please wait!");
progressDialog.setIndeterminate(false);
progressDialog.setMax(file_size);
progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
progressDialog.setCancelable(false);
       progressDialog.setCanceledOnTouchOutside(false);
       progressDialog.show();
}
catch(Exception e){
Log.e("Exception:",e.toString());
}
}

protected void onPostExecute(Void v) {  
   
progressDialog.dismiss();
Toast toast=Toast.makeText(getApplicationContext(), "Uploaded Successfully.", Toast.LENGTH_LONG);

}

   @Override
  protected Void doInBackground(Void... v) {
    HttpURLConnection.setFollowRedirects(false);
    HttpURLConnection conn = null;
     
   
    try {
    //posting parameters with url
    String finalUrl = Uri.parse("www.example.com/demo.php")
               .buildUpon()
               .appendQueryParameter("name", "firzan")
               .build().toString();
      conn = (HttpURLConnection) new URL(finalUrl).openConnection();
      conn.setConnectTimeout(10*1000);
     
      conn.setRequestMethod("POST");
      String boundary = "---------------------------boundary";
      String tail = "\r\n--" + boundary + "--\r\n";
      conn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
      conn.setDoOutput(true);

      String metadataPart = "--" + boundary + "\r\n"
          + "Content-Disposition: form-data; name=\"metadata\"\r\n\r\n"
          + "" + "\r\n";

      String fileHeader1 = "--" + boundary + "\r\n"
          + "Content-Disposition: form-data; name=\"uploadedfile\"; filename=\""
          + serverFileName + "\"\r\n"
          + "Content-Type: application/octet-stream\r\n"
          + "Content-Transfer-Encoding: binary\r\n";

       long fileLength = file.length() + tail.length();
      String fileHeader2 = "Content-length: " + fileLength + "\r\n";
      String fileHeader = fileHeader1 + fileHeader2 + "\r\n";
      String stringData = metadataPart + fileHeader;

      long requestLength = stringData.length() + fileLength;
      conn.setRequestProperty("Content-length", "" + requestLength);
      conn.setFixedLengthStreamingMode((int) requestLength);
      conn.connect();

      DataOutputStream out = new DataOutputStream(conn.getOutputStream());
      out.writeBytes(stringData);
      out.flush();

      int progress = 0;
      int bytesRead = 0;
      byte buf[] = new byte[10*1024];
      BufferedInputStream bufInput = new BufferedInputStream(new FileInputStream(file));
      while ((bytesRead = bufInput.read(buf)) != -1) {
     
      // write output
        out.write(buf, 0, bytesRead);
        out.flush();
        progress += bytesRead;
        // update progress bar
        publishProgress(progress);
      }
     
       // Write closing boundary and close stream
      out.writeBytes(tail);
      out.flush();
      out.close();

       // Get server response
      BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
      String line = "";
      StringBuilder builder = new StringBuilder();
      while((line = reader.readLine()) != null) {
        builder.append(line);
      }
      serverResponseCode = conn.getResponseCode();
    serverResponseMessage = conn.getResponseMessage();
    ServerResponce=builder.toString();
    Log.e("ser res",ServerResponce.toString());
    }
    catch (Exception e) {
    Log.e("Exception",e.toString());
    progressDialog.dismiss();
    exceptionText=e.toString();
   
    } finally {  
      if (conn != null) conn.disconnect();
      //finish();
    }
   
    return null;
  }
   @Override
  protected void onProgressUpdate(Integer... progress) {
    progressDialog.setProgress((int) (progress[0]));
  }
   @Override
  public void onCancel(DialogInterface dialog) {
   super.onCancelled();
    cancel(true);
    dialog.dismiss();
    finish();
 
  }
 
  }



PHP Script

<?php

        $name=$_REQUEST['name'];
$target_path_videos = 'videos/';
$target_path_videos = $target_path_videos .'_'. basename( $_FILES['uploadedfile']['name']);

if(move_uploaded_file($_FILES['uploadedfile']['tmp_name'], $target_path_videos))
{
  echo '1';
}
else
{
echo "Error";
}

 
?>