title: flutter: how to make pull down to refresh flutter webview using the official webview_flutter package
body: <p>I want to add refresher in flutter web view</p>
  <pre><code> Widget build(BuildContext context) {
      return Scaffold(
        appBar: AppBar(
            title: Stack(
          children: &lt;Widget&gt;[
            Container(
              child: Center(
                child: Text(_title),
              ),
            ),
          ],
        )),
        body: SafeArea(
            child: WebView(
                key: _key,
                javascriptMode: JavascriptMode.unrestricted,
                initialUrl: _url)),
      );
    }
  }
  </code></pre>