WebView very slow when scrolling #106190
Description
Hello! I am trying to use external map in my app through webview, but scrolling actions causing a performance problems.
Pay attention: when i tap on zoom in/out buttons there is no performance drops.
In external browser this html works fine without critical performance issues
flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel stable, 3.0.2, on Microsoft Windows [Version 10.0.19044.1766], locale
ru-RU)
[√] Android toolchain - develop for Android devices (Android SDK version 32.1.0-rc1)
[X] Chrome - develop for the web (Cannot find Chrome executable at
.\Google\Chrome\Application\chrome.exe)
! Cannot find Chrome. Try setting CHROME_EXECUTABLE to a Chrome executable.
[X] Visual Studio - develop for Windows
X Visual Studio not installed; this is necessary for Windows development.
Download at https://visualstudio.microsoft.com/downloads/.
Please install the "Desktop development with C++" workload, including all of its default
components
[√] Android Studio (version 2021.2)
[√] IntelliJ IDEA Community Edition (version 2022.1)
[√] VS Code (version 1.68.1)
[√] Connected device (3 available)
[√] HTTP Host Availability
! Doctor found issues in 2 categories.
code
import 'package:flutter/material.dart';
import 'package:webview_flutter/webview_flutter.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({Key? key}) : super(key: key);
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
@override
void initState() {
super.initState();
WebView.platform = SurfaceAndroidWebView();
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Plugin example app'),
),
body: const WebView(
initialUrl: 'http://192.168.0.100:8080/index.html',
),
),
);
}
}