title: USB interface in android
body: <p>I rooted my device and working in host mode. I can able to detect the usb device connected to my tab but 
  Am having two questions.</p>
  
  <p>1) i try to display my device name using
      device.getDeviceName();
  but its showing something like/dev/usb/002/002
  I need to get the manufacturer name of the usb device name. I thing its available in accessory mode but i need to get the manufacturer name in host mode.</p>
  
  <p>2)I need to transfer some data from my app to the usb port in android. i can able to detect the device but please help in transfering some data or file from my android app to mass storage connected to usb port.</p>