+ HashMap<String, UsbDevice> deviceList;
+ try {
+ deviceList = mUsbManager.getDeviceList();
+ } catch (NullPointerException e) {
+ gLogger.error(e.getMessage());
+ e.printStackTrace();
+ return;
+ }
+ gLogger.error("device list size : " + deviceList.size());
+ Iterator<UsbDevice> deviceIterator = deviceList.values().iterator();
+ //PendingIntent mPermissionIntent = PendingIntent.getBroadcast(mContext, 0, new Intent(ACTION_USB_PERMISSION), 0);