title: How to create timer picker in flutter?
body: <p>Is it possible to create duration timer, like in iOS in flutter?</p>
  
  <p>example
  <a href="https://i.stack.imgur.com/1bcFU.png" rel="noreferrer"><img src="https://i.stack.imgur.com/1bcFU.png" alt="duration picker"></a></p>