[Flutter] Flutter Webview, python

I can’t run the project through flutter! It doesn’t take the location on Android, and the video/camera doesn’t display on iPhone! Help with this, other sites with camera and location support are all working

import 'dart:io';
import 'package:flutter/material.dart';
import 'packageermission_handler/permission_handler.dart';
import 'package:webview_flutter/webview_flutter.dart';
import 'package:webview_flutter_android/webview_flutter_android.dart';
import 'package:geolocator/geolocator.dart';

class FaceIDPage extends StatefulWidget {
const FaceIDPage({Key? key}) : super(key: key);

@override
_FaceIDPageState createState() => _FaceIDPageState();
}

class _FaceIDPageState extends State<FaceIDPage> {
late final WebViewController _controller;

@override
void initState() {
super.initState();
_requestPermissions();
_initializeWebView();
}

Future<void> _requestPermissions() async {
if (Platform.isIOS) {
await [
Permission.camera,
Permission.microphone,
Permission.location,
].request();
} else if (Platform.isAndroid) {
await [
Permission.camera,
Permission.location,
Permission.microphone,
].request();
}
}

Future<Position> _getCurrentPosition() async {
bool serviceEnabled;
LocationPermission permission;

serviceEnabled = await Geolocator.isLocationServiceEnabled();
if (!serviceEnabled) {
return Future.error('Location services are disabled.');
}

permission = await Geolocator.checkPermission();
if (permission == LocationPermission.denied) {
permission = await Geolocator.requestPermission();
if (permission == LocationPermission.denied) {
return Future.error('Location permissions are denied');
}
}

if (permission == LocationPermission.deniedForever) {
return Future.error('Location permissions are permanently denied.');
}

return await Geolocator.getCurrentPosition();
}

void _setGeolocationInWebView(WebViewController controller) async {
try {
Position position = await _getCurrentPosition();

await controller.runJavaScript('''
navigator.geolocation.getCurrentPosition = function(success, error) {
success({coords: {latitude: ${position.latitude}, longitude: ${position.longitude}}});
};
''');
} catch (e) {
debugPrint('Ошибка при получении координат: $e');
}
}

void _initializeWebView() {
final PlatformWebViewControllerCreationParams params = PlatformWebViewControllerCreationParams();
_controller = WebViewController.fromPlatformCreationParams(
params,
onPermissionRequest: (resources) async {
return resources.grant();
},
)
..setJavaScriptMode(JavaScriptMode.unrestricted)
..setBackgroundColor(Colors.transparent)
..setNavigationDelegate(
NavigationDelegate(
onPageFinished: (String url) {
_setGeolocationInWebView(_controller);
},
),
)
..loadRequest(Uri.parse('https://pyth.***'));

if (Platform.isAndroid) {
final AndroidWebViewController androidController = _controller.platform as AndroidWebViewController;
AndroidWebViewController.enableDebugging(true);
androidController.setMediaPlaybackRequiresUserGesture(false);
//androidController.setGeolocationEnabled(true);
} else if (Platform.isIOS) {
_controller.runJavaScript('''
navigator.mediaDevices.getUserMedia({ video: true, audio: true })
.then(stream => {
const video = document.createElement('video');
video.srcObject = stream;
video.setAttribute('playsinline', true);
video.play();
document.body.appendChild(video);
})
.catch(error => {
console.error('Ошибка при доступе к камере: ', error);
});
''');
}
}

@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('FaceID Верификация'),
),
body: WebViewWidget(controller: _controller),
);
}
}


The server part runs on python, flask server, app.py includes index.html and then js css, etc.

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