title: How to make bottom fixed view in flutter
body: <p>How to make the fixed bottom view in flutter like below example (it is don with android java,xml)
  <a href="https://i.stack.imgur.com/7qnQF.gif" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/7qnQF.gif" alt="flutter bottom fixed layout"></a></p>