title: Communicate between Native app and Flutter web app as WebView
body: <p>I have created a <strong>Flutter Web App</strong> and tried to embed into my <strong>iOS App</strong> as a <strong>WebView</strong>. How to pass data from <strong>Native app</strong> to <strong>Flutter Web App</strong> and exit webView in <strong>Native App</strong> when user click on back button in app bar from <strong>Flutter web app</strong>.</p>
  <p><strong>Steps to Reproduce:</strong></p>
  <ul>
  <li>Build Flutter web app</li>
  <li>Embed flutter web app as WebView in Native App (iOS and Android Apps)</li>
  <li>Pass data from Native app to Flutter web app</li>
  <li>Exit Native web app when user click on back button from app bar in Flutter web app</li>
  </ul>