UsbManager usbManager = (UsbManager) getContext().getSystemService(Context.USB_SERVICE);
                                        PendingIntent mPermissionIntent = PendingIntent.getBroadcast(getContext(), 0, new Intent(ACTION_USB_PERMISSION), 0);
                                        IntentFilter filter = new IntentFilter(ACTION_USB_PERMISSION);
                                        getContext().registerReceiver(usbReceiver, filter);
                                        HashMap<String, UsbDevice> deviceList = usbManager.getDeviceList();
                                        Iterator<UsbDevice> deviceIterator = deviceList.values().iterator();
                                        while (deviceIterator.hasNext()) {
                                            final UsbDevice device = deviceIterator.next();
                                            if (device.getVendorId() == 1659 && device.getProductId() == 8963) {
                                                this.device = device;
                                                usbManager.requestPermission(device, mPermissionIntent);
                                                break;
                                            }
                                            final UsbConnector.CallbackListener listener = new UsbConnector.CallbackListener() {
                                                @Override
                                                public void onStatusChanged(UsbConnector.Status newStatus) {
                                                    Toast.makeText(getContext(), "Status" + newStatus, Toast.LENGTH_SHORT).show();
                                                }

                                            @Override
                                            public void onScanCompleted(String result) {
                                                Toast.makeText(getContext(), "Result" + result, Toast.LENGTH_SHORT).show();
                                            }
                                        };

                                        UsbConnector connector = new UsbConnector(getContext(), device, listener);
                                        if (device != null) {
                                            connector.run();
                                            connector.send(pal);
                                            try {
                                                Thread.sleep(1000);
                                            } catch (InterruptedException e) {
                                                // TODO Auto-generated catch block
                                                e.printStackTrace();
                                            }
                                            byte[] received = connector.receive(36);
                                            if (received == null) {
                                                Toast.makeText(getContext(), "Błąd inicjalizacji skanera", Toast.LENGTH_SHORT).show();
                                            }
                                            if (received != null) {
//
}