How to push print to bluetooth thermal printer from android webview?

I want to print a POS receipt, i made an web page view in android app, so i want to print and HTML receipt on my mobile app,

i have tried a few tutorial to make it but i did not managed it

https://developer.android.com/training/printing/html-docs

https://www.iditect.com/how-to/52479195.html

IN POLITE, i request someone can assist me on this please, you can check me via my emails to show up some code emma4082@gmail.com