NestedScrollView + CoodinatorLayout scrollBy() scrollTo() methods do nothing

Question

I have a NestedScrollView being used with CoordinatorLayout + AppBarLayout + CollapsingToolbarLayout with parallax effect similar to this tutorial

I need to scroll t

Answer 1

Scrolls (scrollBy()/scrollTo()/smoothScrollTo()/smoothScrollBy()) needs to be called from UI thread.

In Kotlin, you can use

Handler().post {
    nsv_form.scrollBy(0, 300)
}