title: Adding button to snackbar Android
body: <p>I'm using <a href="https://github.com/MrEngineer13/SnackBar" rel="nofollow noreferrer">SnackBar</a>.</p>
  
  <p>Does anyone know how to add a button like this, and keep it showing?</p>
  
  <p><img src="https://i.stack.imgur.com/8lQQn.png" alt="Snackbar"></p>