How to create floating button with SliverAppbar and add ListView in Flutter?

Issue

Any idea to create a page with a floating button with Container, ListView using SilverAppBar in Flutter?

I follow this step How can I put a card into a sliver app bar? it works but cannot add Container below.

Solution

NestedScrollView solved my problem.

Answered By – Manioz

Answer Checked By – Robin (FlutterFixes Admin)