title: Flutter: How to attach a FloatingActionButton to the AppBar?
body: <p>The <code>Scaffold</code>-Widget only allows to place a <code>FloatingActionButton</code> at the bottom right or the bottom center. How can I place it between <code>AppBar</code> and <code>body</code> like here?</p>
  
  <p>[<img src="https://i.stack.imgur.com/6RjOq.jpg" alt="A floating action button attached to the app bar[1]"></p>