How to Print PDF Using Android Printing Framework

Hi all.
I read this post :
http://ift.tt/1WrtXrX
on that post describe how to print using android printing framework. but we need printing pdf
and as we know webview cannot load pdf.
i know there is many ways to print in here.
but i want my apps print using android printing framework.

if found some code form net to use this framework. but in java . i don't understand java
so anyone can converting java to b4a ..

and this...

How to Print PDF Using Android Printing Framework

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