Where can I learn b4a?

Question

I want to learn b4a. What books and tutorials I need to learn?

Answer 1

Can you say a book or the name of YouTube channel?

Answer 2

firstly, you must learn one of these programming language ( java or kotlin or both).
and you can search for some b4a tutorials in http://youtube.com to start practice.

Answer 3

Look on b4x.com , the original website. There is a rich forum with lots of tutorials and help, and there you can find a link to a YouTube playlist that teaches b4a.