title: react-devtools agent got no connection in react native with expo
body: <p>When I'm using <a href="https://github.com/jhen0409/react-native-debugger" rel="nofollow noreferrer">react-native-debugger</a>, <strong>react-devtools doesn't work for me</strong>.</p>
  
  <p>Error Message: </p>
  
  <blockquote>
  <pre><code>DevTools v4 is incompatible with this version of React
  Either upgrade React or install React DevTools v3:
  
  npm install -d react-devtools@^3
  </code></pre>
  </blockquote>
  
  <p>Warning Message: </p>
  
  <blockquote>
    <p>react-devtools agent got no connection</p>
  </blockquote>
  
  <p>I have tried and install npm packages: </p>
  
  <ul>
  <li>npm install --save-dev react-devtools@^3 </li>
  <li>npm install -g react-devtools@^3</li>
  </ul>
  
  <p>How to solve the isseue?</p>