Android USB detection

AndroidManifest.xml

      
    <uses-feature android:name="android.hardware.usb.host" />
    <uses-permission android:name="android.permission.USB_PERMISSION" />

        <activity android:name=".activities.MainActivity"
            android:launchMode="singleTop">
        
           <intent-filter>
                <action android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED" />
            </intent-filter>
            <meta-data android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED"
                android:resource="@xml/device_filter" />

        </activity>

device_filter.xml

<resources>
    <!-- Accept all device VID/PID combinations -->
    <usb-device />
</resources>

MainActvity.java

   private void registerUSBBroadCast() {
        IntentFilter filter = new IntentFilter();
        filter.addAction(UsbManager.ACTION_USB_DEVICE_DETACHED);
        filter.addAction(UsbManager.ACTION_USB_DEVICE_ATTACHED);
        registerReceiver(mUsbReceiver, filter);
    }


    BroadcastReceiver mUsbReceiver = new BroadcastReceiver() {
        public void onReceive(Context context, Intent intent) {
            String action = intent.getAction();
            if (UsbManager.ACTION_USB_DEVICE_ATTACHED == action) {
                Log.i(TAG, "BroadcastReceiver USB Connected");
                UsbDevice device = intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
                if (device != null) {
                    
                }
            } else if (UsbManager.ACTION_USB_DEVICE_DETACHED == action) {
                UsbDevice device = intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
                if (device != null) {
                    Log.i(TAG, "BroadcastReceiver USB Disconnected");
                   
                }
            }
        }
    };