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[Bug] Reordering WebView in XamarinForms WPF sometimes loses the source HTML value #16

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marklam opened this issue Apr 23, 2021 · 0 comments
Open

[Bug] Reordering WebView in XamarinForms WPF sometimes loses the source HTML value #16

marklam opened this issue Apr 23, 2021 · 0 comments

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@marklam
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marklam commented Apr 23, 2021

Description

When a view update reorders a WebView control, sometimes the text set in its source.Html never appears

Steps to Reproduce

See the diff vs the standard counter app

  1. Cause a WebView to move its position in a view update, and also get a source HtmlWebViewSource with static Html
  2. Observe that sometimes the Html never appears in the control (press the increment button repeatedly in the sample project)

Expected Behavior

The WebView should always show its HTML

Actual Behavior

Sometimes the WebView is created blank.
Adding a 'key' property to the WebView doesn't solve the problem

Basic Information

  • Version with issue:

    • Fabulous.XamarinForms (1.0.1)
    • Xamarin.Forms.Platform.WPF (5.0.0.2012)

  • Last known good version:

  • Platform Target Frameworks:

    • WPF

  • NuGet Packages:

    • Fabulous (1.0.1)
    • Fabulous.LiveUpdate (1.0.1)
    • Fabulous.XamarinForms (1.0.1)
    • Fabulous.XamarinForms.LiveUpdate (1.0.1)
    • FSharp.Core (5.0.1)
    • Xamarin.Forms (5.0.0.2012)
    • Xamarin.Forms.Platform.WPF (5.0.0.2012)

  • Affected Devices:

    • Windows 10 PC

Environment

Microsoft Visual Studio Community 2019
Version 16.9.4
VisualStudio.16.Release/16.9.4+31205.134
Microsoft .NET Framework
Version 4.8.04084

Installed Version: Community

Visual C++ 2019   00435-60000-00000-AA135
Microsoft Visual C++ 2019

ADL Tools Service Provider   1.0
This package contains services used by Data Lake tools

ASA Service Provider   1.0

ASP.NET and Web Tools 2019   16.9.693.2781
ASP.NET and Web Tools 2019

ASP.NET Core Razor Language Services   16.1.0.2112521+5741df381174d72f08e3632bb99f52e8635b6a1a
Provides languages services for ASP.NET Core Razor.

ASP.NET Web Frameworks and Tools 2019   16.9.693.2781
For additional information, visit https://www.asp.net/

Azure App Service Tools v3.0.0   16.9.693.2781
Azure App Service Tools v3.0.0

Azure Data Lake Node   1.0
This package contains the Data Lake integration nodes for Server Explorer.

Azure Data Lake Tools for Visual Studio   2.6.3000.0
Microsoft Azure Data Lake Tools for Visual Studio

Azure Functions and Web Jobs Tools   16.9.693.2781
Azure Functions and Web Jobs Tools

Azure Stream Analytics Tools for Visual Studio   2.6.3000.0
Microsoft Azure Stream Analytics Tools for Visual Studio

C# Tools   3.9.0-6.21160.10+59eedc33d35754759994155ea2f4e1012a9951e3
C# components used in the IDE. Depending on your project type and settings, a different version of the compiler may be used.

Code alignment   14.1.107.0
Code alignment helps you present your code beautifully, enhancing clarity and readability.

Common Azure Tools   1.10
Provides common services for use by Azure Mobile Services and Microsoft Azure Tools.

Extensibility Message Bus   1.2.6 (master@34d6af2)
Provides common messaging-based MEF services for loosely coupled Visual Studio extension components communication and integration.

F# Formatting   0.8
F# source code formatting using Fantomas.

Fabric.DiagnosticEvents   1.0
Fabric Diagnostic Events

IntelliCode Extension   1.0
IntelliCode Visual Studio Extension Detailed Info

Markdown Editor   1.12.253
A full featured Markdown editor with live preview and syntax highlighting. Supports GitHub flavored Markdown.

Microsoft Azure HDInsight Azure Node   2.6.3000.0
HDInsight Node under Azure Node

Microsoft Azure Hive Query Language Service   2.6.3000.0
Language service for Hive query

Microsoft Azure Service Fabric Tools for Visual Studio   16.0
Microsoft Azure Service Fabric Tools for Visual Studio

Microsoft Azure Stream Analytics Language Service   2.6.3000.0
Language service for Azure Stream Analytics

Microsoft Azure Stream Analytics Node   1.0
Azure Stream Analytics Node under Azure Node

Microsoft Azure Tools   2.9
Microsoft Azure Tools for Microsoft Visual Studio 2019 - v2.9.40331.1

Microsoft Continuous Delivery Tools for Visual Studio   0.4
Simplifying the configuration of Azure DevOps pipelines from within the Visual Studio IDE.

Microsoft JVM Debugger   1.0
Provides support for connecting the Visual Studio debugger to JDWP compatible Java Virtual Machines

Microsoft Library Manager   2.1.113+g422d40002e.RR
Install client-side libraries easily to any web project

Microsoft MI-Based Debugger   1.0
Provides support for connecting Visual Studio to MI compatible debuggers

Microsoft Visual C++ Wizards   1.0
Microsoft Visual C++ Wizards

Microsoft Visual Studio Tools for Containers   1.1
Develop, run, validate your ASP.NET Core applications in the target environment. F5 your application directly into a container with debugging, or CTRL + F5 to edit & refresh your app without having to rebuild the container.

Microsoft Visual Studio VC Package   1.0
Microsoft Visual Studio VC Package

Mono Debugging for Visual Studio   16.9.7 (df23ba6)
Support for debugging Mono processes with Visual Studio.

NCrunch   
Continuous Testing Tool for .NET
Copyright � 2010-2021 Remco Software Ltd

Node.js Tools   1.5.21130.2 Commit Hash:dacc0e71a5e060cdcab466a301cacea359c1b6da
Adds support for developing and debugging Node.js apps in Visual Studio

NuGet Package Manager   5.9.0
NuGet Package Manager in Visual Studio. For more information about NuGet, visit https://docs.nuget.org/

ParallelBuildsMonitorWindow Extension   1.0
ParallelBuildsMonitorWindow Visual Studio Extension Detailed Info

Productivity Power Tools 2017/2019   16.0
Installs the individual extensions of Productivity Power Tools 2017/2019

ProjectServicesPackage Extension   1.0
ProjectServicesPackage Visual Studio Extension Detailed Info

Regex Editor   1.0
.Net Regular Expressions tools

SQL Server Data Tools   16.0.62103.10080
Microsoft SQL Server Data Tools

Test Adapter for Boost.Test   1.0
Enables Visual Studio's testing tools with unit tests written for Boost.Test.  The use terms and Third Party Notices are available in the extension installation directory.

Test Adapter for Google Test   1.0
Enables Visual Studio's testing tools with unit tests written for Google Test.  The use terms and Third Party Notices are available in the extension installation directory.

ToolWindowHostedEditor   1.0
Hosting json editor into a tool window

Tweaks   1.1.115
A collection of minor fixes and tweaks for Visual Studio to reduce the paper cuts and make you a happier developer

TypeScript Tools   16.0.30201.2001
TypeScript Tools for Microsoft Visual Studio

Viasfora   4.3.195
Add color to your Visual Studio editor!

Visual Basic Tools   3.9.0-6.21160.10+59eedc33d35754759994155ea2f4e1012a9951e3
Visual Basic components used in the IDE. Depending on your project type and settings, a different version of the compiler may be used.

Visual F# Tools   16.9.0-beta.21102.9+7ce7132f1459095e635194d09d6f73265352029a
Microsoft Visual F# Tools

Visual Studio Code Debug Adapter Host Package   1.0
Interop layer for hosting Visual Studio Code debug adapters in Visual Studio

Visual Studio Container Tools Extensions   1.0
View, manage, and diagnose containers within Visual Studio.

Visual Studio Tools for CMake   1.0
Visual Studio Tools for CMake

Visual Studio Tools for Containers   1.0
Visual Studio Tools for Containers

Visual Studio Tools for Kubernetes   1.0
Visual Studio Tools for Kubernetes

VisualStudio.DeviceLog   1.0
Information about my package

VisualStudio.Mac   1.0
Mac Extension for Visual Studio

Xamarin   16.9.000.273 (d16-9@1bba9e0)
Visual Studio extension to enable development for Xamarin.iOS and Xamarin.Android.

Xamarin Designer   16.9.0.318 (remotes/origin/7b35adcdd1b204bbdcb279e0f029d151a20a4bf3@7b35adcdd)
Visual Studio extension to enable Xamarin Designer tools in Visual Studio.

Xamarin Templates   16.9.72 (426ebf6)
Templates for building iOS, Android, and Windows apps with Xamarin and Xamarin.Forms.

Xamarin.Android SDK   11.2.2.1 (d16-9/877f572)
Xamarin.Android Reference Assemblies and MSBuild support.
    Mono: 5e9cb6d
    Java.Interop: xamarin/java.interop/d16-9@54f8c24
    ProGuard: Guardsquare/proguard/v7.0.1@912d149
    SQLite: xamarin/sqlite/3.34.1@daff8f4
    Xamarin.Android Tools: xamarin/xamarin-android-tools/d16-9@d210f11


Xamarin.iOS and Xamarin.Mac SDK   14.14.2.5 (3836759d4)
Xamarin.iOS and Xamarin.Mac Reference Assemblies and MSBuild support.

Screenshots

Counter0
Counter1
Counter2
Counter3

Reproduction Link

https://github.com/marklam/FabulousXamarinFormsWebViewProblem

Workaround

Not found any
@TimLariviere TimLariviere transferred this issue from fabulous-dev/Fabulous Jan 15, 2023
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@marklam