title: Android USB Host. How do I get permission to use USB devices without displaying a dialog?
body: <p>There android device <strong>without a screen</strong>. When connecting the USB device automatically appears the system dialog to permit the use of USB. It is necessary to obtain a permit <strong>without using the device's screen</strong>.
  It is assumed that the device application will be installed in advance, and when the USB device is connected automatically.</p>
  
  <p>How exactly this can be done?</p>