How do I position floating action button on top of two views(a map fragment and a linearlayout)

Question

I want to achieve the positioning of the views. Floating action button on top of two views wherein half of the button overlaps each of the view. Can someone please help me with the xml?

Answer 1

helpful positioning properties:

        android:layout_alignParentRight="true"
        app:layout_anchorGravity="bottom|right|end"
        android:layout_gravity="bottom|right|end"
        android:layout_alignParentTop="true"
        android:layout_alignParentEnd="true"
        android:layout_margin="4dp"