import 'dart:convert' ; import 'dart:io' ; import 'dart:typed_data' ; import 'package:flutter/material.dart' ; import 'package:flutter_inappwebview/flutter_inappwebview.dart' ; import 'package:path_provider/path_provider.dart' ; class InAppWebViewExampleScreen extends StatefulWidget { @override _InAppWebViewExampleScreenState createState () => new _InAppWebViewExampleScreenState (); } class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> { late InAppWebViewController webView ; late Uint8List screenshotBytes ; @override void initState () { super .initState(); } @override void dispose () { super .dispose(); } @override Widget build (BuildContext context) { return Scaffold ( appBar: AppBar (title: Text ( "InAppWebView" )), body: Container ( child: Column (children: <Widget>[ Expanded ( child: InApp...