title: Flutter Widget Inspector - Not displaying
body: <p>I am using Android Studio 3.1.3 and my flutter inspector doesn't show anything in it.</p>
  
  <p><a href="https://flutter.io/inspector/#flutter-widget-inspector" rel="noreferrer">https://flutter.io/inspector/#flutter-widget-inspector</a> </p>
  
  <p>select widget button etc... are not appearing.(However flutter outline is wokring)</p>
  
  <p>I have installed both flutter and dart plugins.</p>