How to get list of USB accessories connected to android device?

Question

I have a Lollipop based android box. The box has a USB port similarly to micro USB port in Android phones. I want to check if any host is connected to the USB port with the andr

Answer 1

UsbManager m = (UsbManager)getApplicationContext().getSystemService(USB_SERVICE);
HashMap usbDevices = m.getDeviceList();
Collection ite = usbDevices.values();
UsbDevice[] usbs = ite.toArray(new UsbDevice[]{});
for (UsbDevice usb : usbs) {    
    Log.d("Connected usb devices","Connected usb devices are "+ usb.getDeviceName());
}