8,868 questions
-1
votes
0
answers
14
views
cannot convert from '__XamlGeneratedCode__.__Type0E459CAF0A856A27' to 'Microsoft.Maui.Controls.Element'
Severity Code Description Project File Line Suppression State
Error (active) CS1503 Argument 1: cannot convert from '_XamlGeneratedCode_.__Type0E459CAF0A856A27' to 'Microsoft.Maui....
0
votes
0
answers
39
views
Does anybody else have issues with sideloading after updating to Visual Studio 2026?
I recently updated my Visual Studio to the newest version (2026). Since I updated, my Android devices no longer appear in the list of devices. But even worse, since the update they don't appear in my ...
-7
votes
0
answers
82
views
Whenever I try to compile my MAUI project I get CS0246 Error
I'm trying to build a three piece Streaming Project in which I need to build an API that is already working, a Java App for Android that I haven't even started and this .NET MAUI using C# that is ...
- 1
0
votes
0
answers
22
views
System.MissingMethodException: CommunityToolkit.Maui.Views.AvatarView in .NET MAUI 10
I'm getting an exception when trying to open a Page View that uses any CommunityToolkit.Maui view/control.
I am building the app with .Net MAUI 10 <MauiVersion>10.0.10</MauiVersion>.
I ...
- 257
0
votes
1
answer
53
views
Custom font size is not setting up from ResourceDictionary
I am working on a MAUI windows application. I made a resource directory file for font.xaml in Resources\Styles and configured it in App.xaml.
<ResourceDictionary
xmlns="http://schemas....
- 629
0
votes
0
answers
49
views
MAUI - Access XAML element from a different class code behind
I'm working on my first MAUI app. It consists of two screens, switchable via a tab control.
Now to my issue - I have page MainPage.xaml with MainPage.xaml.cs and also AboutPage.xaml with AboutPage....
0
votes
0
answers
36
views
Release mode for a NET9 MAUI failed to find entry classes.dex
I have my application written with NET9 MAUI. I use Visual Studio 2026. The application is working in debug. When I deploy in Release, the application crashes immediately. The error log is quite long, ...
- 6,872
0
votes
2
answers
128
views
Chain validation failed: .NET MAUI 9 Android App and Azure Web App
I have several .NET MAUI 9 and Xamarin.Forms apps in production, all connecting to an Azure Web App with two instances and a direct HTTP endpoint that handles hundreds of requests per minute.
Lately ...
1
vote
0
answers
64
views
Start Android emulator with .NET Maui app from .NET Aspire dashboard
I have a .NET 10 MAUI app configured with Aspire 13. When I start the Aspire project and the dashboard launches, I ensure that the emulator is running.
Steps to reproduce
Start Visual Studio
Create a ...
- 11
0
votes
1
answer
53
views
Performance Issue When Using Mobile Data in the MAUI Application [closed]
A problem has been identified where some users experience significant delays when loading or displaying content while using mobile data.
This behavior does not occur when connected to Wi-Fi, where the ...
0
votes
2
answers
126
views
Implementation of PdfSharp IFontResolver causes .NET MAUI app for Android to crash
In a .NET MAUI 9 app I use PdfSharp.Maui (1.0.5) to create a pdf document. I don't use PdfSharp.Maui directly but rather PDFsharp which is a transitive package:
using (PdfDocument document = new ...
- 2,234
0
votes
1
answer
67
views
.NET MAUI CarouselView TapGestureRecognizer stops working on iOS after navigating back
I have a CarouselView on my HomePage. Each item in the CarouselView has a TapGestureRecognizer attached, which navigates the user to a details page for the tapped item.
The Problem
The app loads the ...
- 622
-6
votes
3
answers
121
views
MAUI Disable Soft keyboard for Entry
How can I disable the keyboard for a specif entry?
I have tried using the MAUI Community Toolkit but have had no success.
- 29
0
votes
0
answers
65
views
How do I solve Bluetooth Service errors in inthehand library
I can't find the solution for errors in the BluetoothService class in .NET MAUI. I get 2 errors:
bluetoothService does not contain a definition for SerialPort
bluetoothDeviceInfo does not contain a ...
2
votes
1
answer
75
views
How can I solve an EF Core error querying SQLite?
I just got my .Net 9 Maui app working with EF Core and SQLite. I have one row of data in the database that looks like this:
I have a simple query that runs when the app loads. The repository method ...
- 832
0
votes
1
answer
72
views
ScrollView on .NET 9 iOS doesn't work (text doesn't show)
I'm having an issue with a ScrollView on iOS after upgrading to .NET 9 (MAUI). The ScrollView area appears (the white/scrollable area is there) but the text inside is not visible at all. On Android ...
- 62
0
votes
1
answer
216
views
Android App must support 16kb by Nov 1st 2025. Can I release an update of App targetting API 34 post the timeline?
I am working on a .Net MAUI Android app which is built on .net 8 and Android framework target version is API 34 (Android 14).
I am not planning for upgrading my app to target API 35 soon. But I need ...
- 392
0
votes
0
answers
36
views
Deep linking in NET9 MAUI
In my NET9 MAUI application, I try to implement the deeplink following the Microsoft documentation. When I send a request, it gets to the OnCreate in the MainActivity.
[Activity(Theme = "@style/...
- 6,872
4
votes
1
answer
487
views
.NET MAUI app completely broken after Visual Studio 17.14.17 update - .NET 8 project no longer builds or deploys (was working fine before)
Updated to Visual Studio 17.14.17, and my previously working .NET 8 MAUI project is now broken — random build errors, IntelliSense failure, and runtime issues. CLI works, VS doesn’t. How can an IDE ...
- 23.4k
1
vote
0
answers
258
views
iOS 26 and .NET MAUI 9 - Flyout Hamburger Icon and Back button color being overwritten by iOS appearance
I have a .NET MAUI Shell application with a Flyout menu targeting .NET 9. The Action Bar in both Light and Dark mode is set to be black. I want the hamburger menu icon and the back button to be white ...
- 211
0
votes
0
answers
43
views
Azure Pipeline Error - Building .Net MAUI App
I am trying to create an Azure Pipeline to build the APK for .net MAUI project.
Pipeline on run failing with below error.
*
C:\hostedtoolcache\windows\dotnet\sdk\8.0.414\Sdks\Microsoft.NET.Sdk\...
- 392
1
vote
0
answers
86
views
iOS 26 MAUI Entry shows small numpad first, then switches to full keyboard
I'm using .NET MAUI and targeting iOS 26. I have an Entry like this:
<Entry Text="{Binding ItemQuantityInput, Mode=TwoWay}"
Placeholder="Enter Quantity"
FontSize=...
- 11
0
votes
1
answer
49
views
LibVLCSharp.MAUI on iOS release build not working
I'm using LibVLCSharp.MAUI in my MAUI app to access RTSP cameras.
Everything works fine in Debug mode both for Android and iOS, then when attempting to publish the app in the stores I noticed first ...
- 11
0
votes
1
answer
39
views
Mac Catalyst (MAUI): IOHID InputReportCallback not firing, IOUSBInterfaceOpen returns kIOReturnNotPermitted (0xe00002e2) for custom HID device
I am developing a .NET MAUI Mac Catalyst app (sandboxed) that communicates with a custom vendor-specific HID USB device.
Within the Catalyst app, I’m using a native iOS library (built with Objective-C ...
- 9
0
votes
0
answers
45
views
Android BackTalk cannot enter an Entry field when placed within a ListView
I am currently attempting to add accessibility features to an mobile application written with DotNet MAUI. During the course of testing, it became evident that entry components could not be activated ...
- 169