I know it's a rookie question but are you sure your edXposed is working properly and if it is - are you sure you activated the module?
If you followed the steps I mentioned in this thread couple of days ago it should be working.
This one right? Yes, I've followed those exact steps. And yes, my edxposed is working properly and I've already activated it and I did reboot my device. I have some modules too and they're working perfectly fine. Here's some proofs: