public int uploadFile(String sourceFileUri) {
    String fileName = sourceFileUri;

    //Log.i("uploadFile", "File Uri : "
      //      + fileName);


    HttpURLConnection conn = null;
    DataOutputStream dos = null;
    String lineEnd = "rn";
    String twoHyphens = "--";
    String boundary = "*****";
    int bytesRead, bytesAvailable, bufferSize;
    byte[] buffer;
    int maxBufferSize = 1 * 1024 * 1024;
    File sourceFile = new File(sourceFileUri);

    if (!sourceFile.isFile()) {

         dialog.dismiss();

         Log.e("SubirImagen", "No existe la imagen :" + imagepath);

         runOnUiThread(new Runnable() {
             public void run() {
                 //messageText.setText("Source File not exist :"+ imagepath);
                 Toast.makeText(DisplayImgCamActivity.this, "No existe imagen a subir", Toast.LENGTH_LONG).show();
             }
         });

         return 0;

    }
    else
    {
         try {

               // open a URL connection to the Servlet
             FileInputStream fileInputStream = new FileInputStream(sourceFile);
             URL url = new URL(urlServer);

             // Open a HTTP  connection to  the URL
             conn = (HttpURLConnection) url.openConnection();
             conn.setDoInput(true); // Allow Inputs
             conn.setDoOutput(true); // Allow Outputs
             conn.setUseCaches(false); // Don't use a Cached Copy
             conn.setRequestMethod("POST");
             conn.setRequestProperty("Connection", "Keep-Alive");
             conn.setRequestProperty("ENCTYPE", "multipart/form-data");
             conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);
             conn.setRequestProperty("uploaded_file", fileName);

             dos = new DataOutputStream(conn.getOutputStream());

             dos.writeBytes(twoHyphens + boundary + lineEnd);
             dos.writeBytes("Content-Disposition: form-data; name="uploaded_file";filename=""
                                       + fileName + """ + lineEnd);

             dos.writeBytes(lineEnd);

             // create a buffer of  maximum size
             bytesAvailable = fileInputStream.available();

             bufferSize = Math.min(bytesAvailable, maxBufferSize);
             buffer = new byte[bufferSize];

             // read file and write it into form...
             bytesRead = fileInputStream.read(buffer, 0, bufferSize);

             while (bytesRead > 0) {

               dos.write(buffer, 0, bufferSize);
               bytesAvailable = fileInputStream.available();
               bufferSize = Math.min(bytesAvailable, maxBufferSize);
               bytesRead = fileInputStream.read(buffer, 0, bufferSize);

              }

             // send multipart form data necesssary after file data...
             dos.writeBytes(lineEnd);
             dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);

             // Responses from the server (code and message)
             serverResponseCode = conn.getResponseCode();
             String serverResponseMessage = conn.getResponseMessage();

             Log.i("uploadFile", "HTTP Response is : "
                     + serverResponseMessage + ": " + serverResponseCode);

             if(serverResponseCode == 200){

                 runOnUiThread(new Runnable() {
                      public void run() {
                          String msg = "File Upload Completed.nn See uploaded file here : nn"
                                +" F:/wamp/wamp/www/uploads";
                          //messageText.setText(msg);
                          Toast.makeText(DisplayImgCamActivity.this, "Imagen subida satisfactoriamente", Toast.LENGTH_LONG).show();
                      }
                  });
             }

             //close the streams //
             fileInputStream.close();
             dos.flush();
             dos.close();

        } catch (MalformedURLException ex) {

            dialog.dismiss();
            ex.printStackTrace();

            runOnUiThread(new Runnable() {
                public void run() {
                    //messageText.setText("MalformedURLException Exception : check script url.");
                    Toast.makeText(DisplayImgCamActivity.this, "MalformedURLException", Toast.LENGTH_LONG).show();
                }
            });

            Log.e("Upload file to server", "error: " + ex.getMessage(), ex);
        } catch (Exception e) {

            dialog.dismiss();
            e.printStackTrace();

            runOnUiThread(new Runnable() {
                public void run() {
                    //messageText.setText("Got Exception : see logcat ");
                    Toast.makeText(DisplayImgCamActivity.this, "Error: ver logcat ", Toast.LENGTH_LONG).show();
                }
            });
            Log.e("Upload file to server Exception", "Exception : "  + e.getMessage(), e);
        }
        dialog.dismiss();
        return serverResponseCode;

     } // End else block
   }

public Uri getImageUri(Context inContext, Bitmap inImage) {
    ByteArrayOutputStream bytes = new ByteArrayOutputStream();
    inImage.compress(Bitmap.CompressFormat.JPEG, 100, bytes);
    String path = Images.Media.insertImage(inContext.getContentResolver(), inImage, "Title", null);
    return Uri.parse(path);
}

public String getRealPathFromURI(Uri uri) {
    Cursor cursor = getContentResolver().query(uri, null, null, null, null);
    cursor.moveToFirst();
    int idx = cursor.getColumnIndex(MediaStore.Images.ImageColumns.DATA);
    return cursor.getString(idx);
}