Here's a talk from 2 years ago:
https://www.youtube.com/watch?v=ELemwZXJZVg
I personally prefer Nativescript-Vue and I find their docs to be very good:
https://nativescript-vue.org/en/docs/introduction
Some more video resources:
https://www.youtube.com/watch?v=DcCSq2Y9bow
https://www.youtube.com/watch?v=qR1ESQTALI0
I personally think the best way to learn it is to get your hands dirty and use it to build something, so I'd recommend that, but there are certainly resources out there as well.