title: how to redirect user number to phone call app flutter
body: <p>Is there a way I can redirect a user to his/her phone call app with a number when he/she clicks a button?</p>
  <p><strong>for a better explanation:</strong></p>
  <p>I have an app where you can check people's profiles and then when you click a button in someone's profile. it will redirect you to your phone call app with the person's number from his profile and then choose to call him/her</p>