title: How to finish multiple activity in flutter when user open one activity?
body: <p>I have been try like this, but just finish one previous activity</p>
  
  <pre><code>Navigator.of(context).pop();
  Navigator.of(context).pushReplacement(
  new MaterialPageRoute(settings: const RouteSettings(name: '/Group'), 
                      builder: (context) =&gt; new Group(i)));
  </code></pre>
  
  <p>How I can finish multiple previous activity when open one activity? thanks</p>