flutter_inappwebview takeScreenshot can not capturing when the initial size height is set to 2731 or higher. (Only iOS)

[x] I have read the Get Started - Installation section
[x] I have read and done the Get Started - Setup Android section
[x] I have read and done the Get Started - Setup iOS section
[x] I have already searched for the same problem

Environment

Technology	Version
Flutter version	2.0.3
Plugin version	5.3.2
Android version
iOS version	14.4
Xcode version	12.4

Device information: iPhone 12 Pro (mobile) (com.apple.CoreSimulator.SimRuntime.iOS-14-4)

Description

Expected behavior: takeScreeshot can capture correctly even if the initial size height exceeds 2731. (I want to get a screenshot of full size.)

Current behavior: takeScreeshot can capturing when the initial size height is set to 2730 or lower but takeScreenshot can not capturing when the initial size height is set to 2731 or higher. (Only iOS) (Android is normal)

Steps to reproduce

Execute the following code and press the "Run HeadlessInAppWebView" button

Stacktrace/Logcat

No error has occurred.

import 'dart:async';
import 'dart:io';
import 'dart:typed_data';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_inappwebview/flutter_inappwebview.dart';


Future main() async {
  WidgetsFlutterBinding.ensureInitialized();
  // await Permission.camera.request();
  // await Permission.microphone.request();
  // await Permission.storage.request();

  if (Platform.isAndroid) {
    await AndroidInAppWebViewController.setWebContentsDebuggingEnabled(true);

    var swAvailable = await AndroidWebViewFeature.isFeatureSupported(
        AndroidWebViewFeature.SERVICE_WORKER_BASIC_USAGE);
    var swInterceptAvailable = await AndroidWebViewFeature.isFeatureSupported(
        AndroidWebViewFeature.SERVICE_WORKER_SHOULD_INTERCEPT_REQUEST);

    if (swAvailable && swInterceptAvailable) {
      AndroidServiceWorkerController serviceWorkerController =
      AndroidServiceWorkerController.instance();

      serviceWorkerController.serviceWorkerClient = AndroidServiceWorkerClient(
        shouldInterceptRequest: (request) async {
          print(request);
          return null;
        },
      );
    }
  }

  runApp(MyApp());
}
class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => new _MyAppState();
}

class _MyAppState extends State<MyApp> {
  @override
  void initState() {
    super.initState();
  }

  @override
  void dispose() {
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(initialRoute: '/', routes: {
      '/': (context) => HeadlessInAppWebViewExampleScreen(),
    });
  }
}

class HeadlessInAppWebViewExampleScreen extends StatefulWidget {
  @override
  _HeadlessInAppWebViewExampleScreenState createState() =>
      new _HeadlessInAppWebViewExampleScreenState();
}

class _HeadlessInAppWebViewExampleScreenState
    extends State<HeadlessInAppWebViewExampleScreen> {
  HeadlessInAppWebView? headlessWebView;
  String url = "";

  @override
  void initState() {
    super.initState();

    headlessWebView = new HeadlessInAppWebView(
      initialUrlRequest: URLRequest(url: Uri.parse("https://flutter.dev")),

      // OK pattern
//      initialSize: Size(390, 2730), // Screenshots cannot be taken correctly if height is 2731
      // NG pattern
       initialSize: Size(390, 2731), // Screenshots cannot be taken correctly if height is 2731

      initialOptions: InAppWebViewGroupOptions(
        crossPlatform: InAppWebViewOptions(),
      ),
      onWebViewCreated: (controller) {
        print('HeadlessInAppWebView created!');
      },
      onConsoleMessage: (controller, consoleMessage) {
        print("CONSOLE MESSAGE: " + consoleMessage.message);
      },
      onLoadStart: (controller, url) async {
        print("onLoadStart $url");
        setState(() {
          this.url = url.toString();
        });
      },
      onLoadStop: (controller, url) async {
        print("onLoadStop $url");

        // ---- start take Screenshot code ----
        Uint8List? screenshotBytes = await controller.takeScreenshot();
        showDialog(
          context: context,
          builder: (context) {
            return AlertDialog(
              content: screenshotBytes != null ? Image.memory(screenshotBytes) : Text("data nothing"),
            );
          },
        );
        // ---- end take Screenshot code ----
        setState(() {
          this.url = url.toString();
        });
      },
      onUpdateVisitedHistory: (controller, url, androidIsReload) {
        print("onUpdateVisitedHistory $url");
        setState(() {
          this.url = url.toString();
        });
      },
    );
  }

  @override
  void dispose() {
    super.dispose();
    headlessWebView?.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
            title: Text(
              "HeadlessInAppWebView",
            )),
        body: SafeArea(
            child: Column(children: <Widget>[
              Container(
                padding: EdgeInsets.all(20.0),
                child: Text(
                    "CURRENT URL\n${(url.length > 50) ? url.substring(0, 50) + "..." : url}"),
              ),
              Center(
                child: ElevatedButton(
                    onPressed: () async {
                      await headlessWebView?.dispose();
                      await headlessWebView?.run();
                    },
                    child: Text("Run HeadlessInAppWebView")),
              ),
              Center(
                child: ElevatedButton(
                    onPressed: () {
                      headlessWebView?.dispose();
                    },
                    child: Text("Dispose HeadlessInAppWebView")),
              )
            ])));
  }
}

Apr 24 '21 05:04 dbviewer-zigen

👋 @dbviewer-zigen

NOTE: This comment is auto-generated.

Are you sure you have already searched for the same problem?

Some people open new issues but they didn't search for something similar or for the same issue. Please, search for it using the GitHub issue search box or on the official inappwebview.dev website, or, also, using Google, StackOverflow, etc. before posting a new one. You may already find an answer to your problem!

If this is really a new issue, then thank you for raising it. I will investigate it and get back to you as soon as possible. Please, make sure you have given me as much context as possible! Also, if you didn't already, post a code example that can replicate this issue.

In the meantime, you can already search for some possible solutions online! Because this plugin uses native WebView, you can search online for the same issue adding android WebView [MY ERROR HERE] or ios WKWebView [MY ERROR HERE] keywords.

Following these steps can save you, me, and other people a lot of time, thanks!