title: How To Create Number Picker as a alert dialog in flutter?
body: <p><strong>I am developing e com application, when user click on quantity label  want to show dialog box for select how many quantity he want to buy.</strong></p>
  <p><strong>I tried to wrap number picker inside Alert dialog. It show alert dialog, but the problem is not updating value when scroll</strong></p>
  <p><a href="https://i.stack.imgur.com/iLVIY.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/iLVIY.png" alt="enter image description here" /></a></p>
  <p>I can I use Number Picker for that?</p>