Hide FAB when onscreen keyboard appear : <p>In Flutter, how to make <a href="https://docs.flutter.io/flutter/material/FloatingActionButton-class.html" rel="noreferrer">FAB button</a> hide when onscreen keyboard appear?</p>

<p>FAB button cover up other element when on screenkeyboard show up.</p>

<p><a href="https://i.stack.imgur.com/BOY0s.png" rel="noreferrer"><img src="https://i.stack.imgur.com/BOY0s.png" alt="enter image description here"></a></p>
