Method UsbSerialHelper

android/src/UsbSerialHelper.java:350–363

(Context context)

  }

  private UsbSerialHelper(Context context) throws IOException {
    this.context = context;

    usbmanager = (UsbManager) context.getSystemService(Context.USB_SERVICE);
    if (usbmanager == null)
      throw new IOException("No USB service");

    HashMap<String, UsbDevice> devices = usbmanager.getDeviceList();
    for (Map.Entry<String, UsbDevice> entry : devices.entrySet()) {
      addAvailable(entry.getValue());
    }

    registerReceiver();
  }

  private void close() {
    unregisterReceiver();