Android device failed to open Barcode Scanner

Hi,

I have created mobile app using the following link.

How to use Kapsel Barcode Scanner plugin with SAP Web IDE and HAT

I have followed all the steps, run the app in android emulator as well as android device but failed to open barcode scanner in the mobile.

The application working fine when I run the app in browser.

Please suggest to proceed further, Thanks in Advance

Regards,

Ashok