19 questions
2
votes
0
answers
52
views
WKWebView PDF background turns gray in iOS 26 — how to restore white background?
We’re encountering an issue with WKWebView on the latest iOS 26 beta. When loading a PDF URL, the background behind the PDF now appears as dark gray, instead of the expected white.
Environment:
Device/...
6
votes
1
answer
299
views
System.Text.Json is not handling Quaternions - is there some Json settings we need to set/support?
We are having some issues deserialising classes with Quaternion properties.
We are seeing very odd behaviour.
The Quaternions deserialise correctly (we can do a custom JsonConverter to confirm the ...
0
votes
0
answers
61
views
.NET iOS: App sporadically crashes after NFC read when returning a large struct (Data). Changing it to a class fixes it — why?
Platform / Build
.NET 9 (net9.0-ios) – Xamarin/.NET for iOS
iOS 15/18 (device)
AOT + UseInterpreter=true
TrimMode=partial in Release
App uses CoreNFC (ISO7816) to read a meter, then decodes frames ...
0
votes
1
answer
310
views
.NET MAUI app crashes on iOS when I check camera permissions
My mobile app uses a wide variety of hardware features, but for some reason, checking the permissions for the camera causes regular crashes, and I can't figure out why.
I have the following check for ...
0
votes
0
answers
70
views
Barcode scanning in .NET iOS and .NET Android using Zxing
I have recently upgraded my application from Xamarin Native to .NET iOS and .NET Android.
I wanted to implement barcode scanning in my application so I started using the Zxing.Mobile for both iOS and ...
0
votes
0
answers
93
views
How can I access an image shared from Files or Photos in a .NET iOS (formerly Xamarin.iOS) app?
I'm working with a .NET iOS (formerly Xamarin.iOS) app and I want to access an image shared from the Files or Photos app. I’ve tried implementing a Share Extension without a UI, but it’s not working ...
1
vote
0
answers
90
views
VerticalStackLayout shows white screen with MAUI map, works fine with StackLayout
If you create a blank template with the Maps controls, following instructions shared here, in MAUI on iOS like this:
<?xml version="1.0" encoding="utf-8" ?>
<ContentPage ...
1
vote
0
answers
54
views
I’m encountering an issue with the NET-iOS.Naxam.FSCalendar library while migrating my project from .NET 8 to .NET 9
/usr/local/share/dotnet/packs/Microsoft.iOS.Sdk.net8.0_18.0/18.0.8314/targets/Xamarin.Shared.Sdk.targets(1648,3): error :
clang++ exited with code 1:
ld: building for 'iOS-simulator', but linking in ...
0
votes
1
answer
179
views
MAUI iOS - Deploy on older simulator
I recently had to update Xcode from 15.2 to 15.4 in order to use the latest maui-ios workload.
I actually have both installed (thanks Xcodes!).
Xcode 15.2 carried iOS 17.2 as simulator runtime.
Now if ...
0
votes
1
answer
100
views
Can't open Storyboard after migrating from Xamarin.iOS to .NET for iOS
I recently migrated my Xamarin.iOS project to .NET for iOS. Everything went fine so far. Now I'm realizing that I'm not able to work with storyboards anymore.
Before the migration I was working with ...
0
votes
2
answers
445
views
Could upgrade of .NET core task cause build issues with Azure pipeline for MAUI build?
Seemingly out of nowhere, my Azure pipeline that ran the dotnet publish command for a MAUI project is failing with the error Resources/Styles/Colors.xaml : error : The name 'Resources' is reserved and ...
1
vote
1
answer
46
views
ServiceStack.Text latest version (8.3.0) nuget package issue within maui native iOS project
Issue - System.ArgumentException: Type MAUIiOSApp1.Service.UserRequest is not of type IList<> at ServiceStack.Text.Common.WriteLists`2[[MAUIiOSApp1.Service.UserRequest, MAUIiOSApp1, Version=1.0....
3
votes
0
answers
83
views
What is the Reason for "Error updating Objective-C type information" Error when attempting to open an .xib file in visual studio
I have migrated my xamarin.ios application to .net8 for iOS.
Currently we have created a new project and copied all the files from the old project to new one and we have updated all the packages and ...
0
votes
1
answer
62
views
How to use xaml page inside .net iOS project?
I have a project .NET7.0-ios, and I want to implement the Popups component inside my project(https://learn.microsoft.com/en-us/dotnet/communitytoolkit/maui/views/popup).
How can I implement this ...
11
votes
2
answers
4k
views
Visual Studio build error: The operation couldn’t be completed. Failed to locate any simulator runtime matching options
After MacOS update Visual Studio stopped building .NET MAUI iOS project using paired Mac computer. The following error reported:
The operation couldn’t be completed. Failed to locate any simulator ...
6
votes
1
answer
3k
views
.NET iOS UseInterpreter and AOT
We are in the process of migrating a Xamarin.iOS app to .NET iOS, in the early stages we found we were getting crashes with the Release config that were solved by adding <UseInterpreter>true</...
0
votes
1
answer
322
views
Support GoogleMaps for native iOS in .net7?
Orginally a Xamarin project (Xamarin-ios, Xamarin-Android) was migrated to .net6 according to this link.
Most of the dependencies was kept since iOS and Android still had a different codebase and ....
0
votes
1
answer
188
views
Visual Studio for Mac 17.6.3 won't open storyboard
I have updated macOS to version 13.5.1, Visual Studio to version 17.6.3, and Xcode to version 14.3.1. I have an older Xamarin.iOS project that was created in 2016. While the project can build, and I ...
1
vote
0
answers
269
views
Maui IOS adding network extension
I'm trying to add an IOS target extension to a MAUI application, I am not finding the Xamarin project template for this IOS extension type, dose anyone know if there is any workaround?!