ViewPager in a NestedScrollView

Question

I need to create an interface like Google Newsstand which is a sort of ViewPager (horizontal scroll) over a collapsing header (vertical scroll). One of my requirements is to

Answer 1

Actually the NestedScrollView doesn't need to to be direct sibling of CollapsingToolbarLayout in CoordinatorLayout. I have achieved something realy bizzare. The appbar_scrolling_view_behavior works in 2 nested fragments.

My activity layout:

In the "container" frameLayout I have inflated this fragment:

    ... some content ...

    

    ...

And fragments inside that ViewPager looks like this:

    

    ....

Fact that NestedScrollView can be so deep in the CoordinatorLayout children hierarchy and scroll behaviors stil works did suprised me.