void uploadImageFile(DataOutputStream dos, Bitmap image)
    {
        if (image == null)
            return;
        int bytesRead, bytesAvailable, bufferSize;
        byte[] buffer;
        int maxBufferSize = 1024 * 1024;
        try {

            InputStream is;
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            image.compress(Bitmap.CompressFormat.JPEG, 100 /*ignored for PNG*/, bos);
            byte[] bitmapdata = bos.toByteArray();

            InputStream imageFile = new ByteArrayInputStream(bitmapdata);
            is = new BufferedInputStream(imageFile);

            String file_name_key = "report_foto";
            String upload_file_name = "report_foto.jpg";

            dos.writeBytes(twoHyphens + boundary + lineEnd);
            dos.writeBytes("Content-Disposition: form-data; name=\"" + file_name_key + "\";filename=\"" + upload_file_name + "\"" + lineEnd); // uploaded_file_name
            dos.writeBytes(lineEnd);
            bytesAvailable = is.available();
            bufferSize = Math.min(bytesAvailable, maxBufferSize);
            Log.d(("Image length " + bytesAvailable + " - " + maxBufferSize + " = " + bufferSize + ""));
            buffer = new byte[bufferSize];
            bytesRead = is.read(buffer, 0, bufferSize);
            while (bytesRead > 0) {
                dos.write(buffer, 0, bufferSize);
                bytesAvailable = is.available();
                bufferSize = Math.min(bytesAvailable, maxBufferSize);
                bytesRead = is.read(buffer, 0, bufferSize);
            }
            dos.writeBytes(lineEnd);
            is.close();
        } catch (IOException ioe) {
            Log.e("Debug" + " error: " + ioe.getMessage());
        }
    }