title: Problem with flutter_facebook_login in flutter
body: <p>I am working on Flutter application using facebook authentication. As per the first step I added <code>flutter_facebook_login: ^2.0.1</code> in <code>pubspec.yaml</code>. And I tried to run in debug mode. I get the following error:</p>
  
  <pre><code>    Error connecting to the service protocol: HttpException: Connection closed before full header was received, uri = http://127.0.0.1:51195/1vmwn2gEVK8=/ws
  </code></pre>