How To Reload Flutter Webview Using Flutter Android

dependencies:
  flutter:
    sdk: flutter
  webview_flutter: 0.2.0

flutter pub get

import 'dart:async';

import 'package:flutter/material.dart';
import 'package:webview_flutter/webview_flutter.dart';

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:webview_flutter/webview_flutter.dart';


void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  MyHomePageState createState() {
    return new MyHomePageState();
  }
}

class MyHomePageState extends State<MyHomePage> {
  final Completer<WebViewController> _controller =
  Completer<WebViewController>();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Colors.deepOrangeAccent,
          title: Text(
              "Reload webview "
          )),
      body: WebView(
        initialUrl: 'https://bajarangisoft.com/',
        javascriptMode: JavascriptMode.unrestricted,
        onWebViewCreated: (WebViewController webViewController) {
          _controller.complete(webViewController);
        },
      ),
      floatingActionButton: FutureBuilder<WebViewController>(
          future: _controller.future,
          builder: (BuildContext context,
              AsyncSnapshot<WebViewController> controller) {
            if (controller.hasData) {
              return Padding(
                padding: const EdgeInsets.only(top:20.0, left:20),
                child: Row(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    FloatingActionButton(
                      onPressed: () async {
                        controller.data.reload();
                      },
                      backgroundColor: Colors.deepOrangeAccent,
                      child: const Icon(Icons.refresh,color: Colors.white,),
                    ),
                  ],
                ),
              );
            }
            return Container();
          }),
    );
  }
}