code: @TargetApi(Build.VERSION_CODES.HONEYCOMB_MR1)
      public static UsbManager getUsbManager(Context context) {
          return (UsbManager) context.getSystemService(Context.USB_SERVICE);
      }
docs: Get the {@link android.hardware.usb.UsbManager} service for this context.
  @param context the context.
  @return the {@link android.hardware.usb.UsbManager}