Universal login not working on android

Help
,
1

I’m trying to use Universal login using WebAuthProvider as described in this document, I can see in the logcat this line
(using the following Authorize URI xxxx), and checked the URI in my browser all is working fine, but inside the app, all I can see is page not found!

 WebAuthProvider.login(auth0)
            .start(this, loginCallback)

The callback I’m using is following this :

https://{YOUR_AUTH0_DOMAIN}/android/{YOUR_APP_PACKAGE_NAME}/callback

Any help would be appreciated!