call its methods to control the style, just like you would in Java: https://developer.android.com/reference/android/widget/TextView.html

But I don't mean styles like Bold, Italic, etc, I mean styles you set to android views

Jake is pointing out that this isn't a Kotlin-specific Android question. The mechanism is the same as doing it in Java.

We really need a channel for beginners instead of cluttering up with stuff that is not productive

Do you really want to create channel for those who don't know how to use stack overflow?