Java ParcelFileDescriptor.toString示例

  // open the accessory here
  private boolean openMyAccessory() {
    boolean accOpened = false;
    if (DEBUG_VERBOSE) Log.d(TAG, "openMyAccessory entered!");

    // Next, ask the UsbManager (singleton?) for the ParcelFileDescriptor for the accessory
    myParcelFD = androidUsbManager.openAccessory(adkAccessory);

    if (myParcelFD != null) {
      accOpened = true;
      if (DEBUG_VERBOSE)
        Log.d("myADK_OpenMyAccessory", "accessory opened. " + myParcelFD.toString());

    } else {
      Log.e("myADK_OpenMyAccessory", "opening failed :(");
    }

    if (DEBUG_VERBOSE) Log.d(TAG, "openMyAccessory exited!");
    return accOpened;
  }