title: how to detect usb devices connected to Android phone
body: <p>possible duplicate question. I just want to detect USB connected and get information which device connected to Android phone. I followed lots of tutorials but no luck. Also, i followed <a href="http://developer.android.com/guide/topics/connectivity/usb/host.html" rel="nofollow">this</a> as well. 
  Thank youin Advance.  </p>