code: @TargetApi(Build.VERSION_CODES.HONEYCOMB_MR1)
      public static boolean hasUsbHostFeature(PackageManager manager) {
          return manager.hasSystemFeature(PackageManager.FEATURE_USB_HOST);
      }
docs: Checks if the device has an USB host.
  @param manager the package manager.
  @return {@code true} if the device has an USB host.