@Override
    public void prepareBarcode(final LoyaltyCard loyaltyCard) {
        LayoutInflater inflater = (LayoutInflater) MainActivityList.this
                .getSystemService(LAYOUT_INFLATER_SERVICE);
        final View dialogLayout = inflater.inflate(R.layout.barcode_view, null);
        final ImageView barcode = (ImageView) dialogLayout.findViewById(R.id.dialog_barcode_iv_view);
        final TextView barcodeText = (TextView) dialogLayout.findViewById(R.id.dialog_barcode_tv_code);
        final ProgressBar mPbBarcode = (ProgressBar) dialogLayout.findViewById(R.id.dialog_barcode_pb);
        WindowManager windowManager = (WindowManager) getApplicationContext().getSystemService(WINDOW_SERVICE);
        Display display = windowManager.getDefaultDisplay();
        Point size = new Point();
        display.getSize(size);
        int width = size.x;
        int height = size.y;
        final Dialog builder = new Dialog(MainActivityList.this,
                android.R.style.Theme_Translucent_NoTitleBar_Fullscreen);
        builder.setContentView(dialogLayout);
        builder.getWindow().setLayout(LinearLayout.LayoutParams.MATCH_PARENT,
                LinearLayout.LayoutParams.MATCH_PARENT);
        BarcodeWriter barcodeWriter = new BarcodeWriter(width, height, loyaltyCard, new BarcodeWriterListener() {
            @Override
            public void onStart() {
                mPbBarcode.setVisibility(VISIBLE);
            }

            @Override
            public void onEnd() {
                mPbBarcode.setVisibility(GONE);
            }

            @Override
            public void onSuccess(Bitmap bitmap) {
                barcode.setImageBitmap(bitmap);
                barcodeText.setText(loyaltyCard.getValue());
            }

            @Override
            public void onUnExpectedError() {

            }
        });
        barcodeWriter.execute();
        dialogLayout.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                builder.dismiss();
            }
        });
        builder.setCancelable(true);
        builder.show();
    }