4,172 questions with Developer technologies | .NET | .NET MAUI tags

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1 answer One of the answers was accepted by the question author.

Debugging is not working in Visual Studio Community 2026: The program 'Project iOS' has exited with code 0 (0x0).

My application gets installed on my iPad Air and my application launches on the device but shortly later the application gets terminated. After that I have tried to open the installed application on my device and this works. But debugging gets always…

Developer technologies | .NET | .NET MAUI
asked 2025-12-03T10:43:29.6766667+00:00
Kim Strasser 1,671 Reputation points
accepted 2025-12-05T15:06:18.23+00:00
Kim Strasser 1,671 Reputation points
2 answers One of the answers was accepted by the question author.

MAUI - Access XAML element from a different class code behind

I'm working on my first MAUI Android 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.xaml.cs. Is there a way how to access an element…

Developer technologies | .NET | .NET MAUI
asked 2025-11-18T06:03:24.82+00:00
Toman, Martin 20 Reputation points
commented 2025-12-05T12:03:35.9566667+00:00
Toman, Martin 20 Reputation points
0 answers

MAUI: Issue with FlowDirection

My home page is a FlyoutPage and its FlowDirection is RightToLeft, because I need to open the flyout(menu pop up) from the right side. The detail page is TabbedPage with 3 children. The first child is an AlertsPage and if we click on any alert it will…

Developer technologies | .NET | .NET MAUI
asked 2025-11-28T07:58:55.85+00:00
Sreenivasan, Sreejith 270 Reputation points
commented 2025-12-05T10:03:56.3866667+00:00
Michael Le (WICLOUD CORPORATION) 5,930 Reputation points Microsoft External Staff Moderator
2 answers

iOS: Loading Overlay Sometimes Fails to Dismiss After Async Operation

I have a method in my .NET MAUI app that triggers a loading overlay with a spinning sync icon whenever it runs. When execution reaches the finally block, the overlay and icon should be removed. This works consistently on the Windows emulator, but on iOS…

Developer technologies | .NET | .NET MAUI
asked 2025-12-04T15:35:09.68+00:00
Connor Patchett 0 Reputation points
answered 2025-12-05T07:58:24.4433333+00:00
Michael Le (WICLOUD CORPORATION) 5,930 Reputation points Microsoft External Staff Moderator
2 answers

Build and run Maui app from dotnet cli on mac

I have dotnet 10 installed on my mac. Running dotnet --version yields this: 10.0.100-rc.1.25451.107 I have also installed the sdk, but when I run dotnet build -t:Run -f net10.0-ios I get this error: MyMauiApp net10.0-ios failed with 1 error(s) (0.2s) …

Developer technologies | .NET | .NET MAUI
asked 2025-09-29T18:42:08.6366667+00:00
Brad Rice 20 Reputation points
edited an answer 2025-12-05T07:22:55.7766667+00:00
Michael Le (WICLOUD CORPORATION) 5,930 Reputation points Microsoft External Staff Moderator
1 answer

iOS crash report: System_Runtime_CompilerServices_AsyncMethodBuilderCore_Start_TStateMachine_GSHAREDVT_TStateMachine_GSHAREDVT_

I have uploaded my iOS build on TestFlight and then installed it on my iPad. My game always crashes 1-2 seconds after I opened it on my iPad. It only crashes in release mode and not in debug mode. It's not the first time that I have this kind of crash.…

Developer technologies | .NET | .NET MAUI
asked 2025-11-04T21:08:44.2066667+00:00
Kim Strasser 1,671 Reputation points
edited a comment 2025-12-05T02:50:46.2+00:00
Michael Le (WICLOUD CORPORATION) 5,930 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

MAUI: Fingerprint Authentication UI does not update before navigation

I am working on a .NET MAUI app with biometric authentication. There is a pop-up appear when doing the authentication Issue: When the user taps the fingerprint sensor: The pop-up title should change from "Fingerprint for Native 3" to…

Developer technologies | .NET | .NET MAUI
asked 2025-12-02T09:40:26.5066667+00:00
Sreenivasan, Sreejith 270 Reputation points
commented 2025-12-04T13:29:39.4733333+00:00
Sreenivasan, Sreejith 270 Reputation points
1 answer

MAUI: How we can disable the login form once tab on the login button

I have a login page where user needs to enter email and password. My problem is once the user taps the login button, the email and password fields are still editable. I want to make the email and password disable after tapping the button. After tapping…

Developer technologies | .NET | .NET MAUI
asked 2025-12-01T11:08:46.33+00:00
Sreenivasan, Sreejith 270 Reputation points
commented 2025-12-04T13:21:48.4466667+00:00
Sreenivasan, Sreejith 270 Reputation points
1 answer

MAUI: Red circle is not visible on the UI

I am showing a list of alerts on the UI using a View. If the alert is not read, I need to show a red circle on the left side of it and I need to show the unread count on the tab icon. But currently only a gray circle is showing on the UI and count is…

Developer technologies | .NET | .NET MAUI
asked 2025-12-01T10:11:43.48+00:00
Sreenivasan, Sreejith 270 Reputation points
commented 2025-12-04T13:18:04.9433333+00:00
Sreenivasan, Sreejith 270 Reputation points
2 answers One of the answers was accepted by the question author.

Login flow error

So I have the dashboard page and auth in the appshell.xaml.cs I am doing ` public partial class AppShell : Shell { private readonly IFirebaseAuthClient _auth; public AppShell(IFirebaseAuthClient auth) { InitializeComponent(); …

Developer technologies | .NET | .NET MAUI
asked 2025-11-30T17:02:39.6833333+00:00
Eduardo Gomez 4,136 Reputation points
accepted 2025-12-03T13:29:37.86+00:00
Eduardo Gomez 4,136 Reputation points
2 answers

iOS project error: IL Trimmer has encountered an unexpected error.

I get two errors when I debug an empty iOS project on my iPad Air in Visual Studio Community 2026 Insiders 11123.170. IL Trimmer has encountered an unexpected error. Please report the issue at https://aka.ms/report-illink The file…

Developer technologies | .NET | .NET MAUI
asked 2025-10-27T21:31:33.97+00:00
Kim Strasser 1,671 Reputation points
commented 2025-12-03T10:48:26.31+00:00
Kim Strasser 1,671 Reputation points
1 answer

.net Maui app in infinite loop due to [ObservableProperty]

I am not sure if I am in the right place to ask this question. In my app I convert Celsius to Fahrenheit and vice versa. Because I am using [ObservableProperty] when I update the one property, the other wants to update as well, and the program goes into…

Developer technologies | .NET | .NET MAUI
asked 2025-12-02T22:17:32.8033333+00:00
Heinz Deubler 201 Reputation points
answered 2025-12-03T06:32:10.7333333+00:00
Jack Dang (WICLOUD CORPORATION) 4,865 Reputation points Microsoft External Staff Moderator
3 answers

VSCode with MAUI extension on Mac not loading Solution file

I have been using VSCode for MAUI mobile dev for a while now on a Mac. Up until a couple days ago when I opened the folder with my solution in it it would also load the solution file and show the solution explorer. Now when I open the folder, even using…

Developer technologies | .NET | .NET MAUI
asked 2025-11-19T15:02:22.1166667+00:00
Tony Pitman 110 Reputation points
commented 2025-12-02T06:15:17.6633333+00:00
Jack Dang (WICLOUD CORPORATION) 4,865 Reputation points Microsoft External Staff Moderator
1 answer

Issue While Interactive login in MSAL

I am getting the exception “Value cannot be null. (Parameter ‘ErrorCode’)” while performing interactive login using Microsoft.Identity.Client in a Windows application. What does this error actually mean?

Developer technologies | .NET | .NET MAUI
asked 2025-11-18T11:24:46.7466667+00:00
Vaibhav Methuku 185 Reputation points
commented 2025-12-01T09:12:29.73+00:00
Harry Vo (WICLOUD CORPORATION) 3,505 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

Net maui windows and macos how to remove blue indicator on collectionview ?

After update appear blue indicator on collectionview and listview Net maui windows and macos platform how to remove blue indicator on collectionview ?

Developer technologies | .NET | .NET MAUI
asked 2025-11-22T08:46:44.57+00:00
Sami 986 Reputation points
accepted 2025-11-29T10:38:02.68+00:00
Sami 986 Reputation points
2 answers

how to create aab that support 16 kb memory page

Hello in project net maui i create via the archive the signed aab but unfortunately google console android didn't accept because it does not support 16 kb memory page what you suggest Thanks

Developer technologies | .NET | .NET MAUI
asked 2025-11-23T00:03:06.64+00:00
Shay Wilner 1,746 Reputation points
commented 2025-11-28T08:46:57.8633333+00:00
Harry Vo (WICLOUD CORPORATION) 3,505 Reputation points Microsoft External Staff Moderator
1 answer

This is not a QuestIon. This is an (unsuccessful) method to produce 2 .MAUI MeWP PDF documents. 1 complete, 1 starting at page 325 (XAML intro)

After setting some Collections to MeWP, I noticed that the introductions to Cross-platform and MVVM, are feasibly a smart (L/R/L/R of) passage. The downloadable .NETMaui (DeskLapOnly for me) documentation is 3,482 pages in PDF format. Saving / Printing…

Developer technologies | .NET | .NET MAUI
asked 2025-11-19T20:51:42.6066667+00:00
TrikCheatham 51 Reputation points
commented 2025-11-28T08:29:17.9966667+00:00
Surya Amrutha Vaishnavi Lanka (INFOSYS LIMITED) 1,120 Reputation points Microsoft External Staff
1 answer

I can't post my question because of an error error "You are not authorized to make this response. If you believe this to be in error, please refresh the page and try again"

I receive this error when I try to post my question. My question details file Moved from Community Center.

Developer technologies | .NET | .NET MAUI
asked 2025-10-25T10:56:59.62+00:00
Stanislav Panferov 50 Reputation points
commented 2025-11-28T07:57:04.6366667+00:00
Harry Vo (WICLOUD CORPORATION) 3,505 Reputation points Microsoft External Staff Moderator
1 answer

DatePicker buttons not change color

Hello, I'm using a DatePicker in a .NET Maui app that I ported from Xamarin.Forms. The DatePicker isn't displaying the 'accent' color for the 'accept' and 'cancel' buttons, and I can't seem to change the color because they're barely visible: I've…

Developer technologies | .NET | .NET MAUI
asked 2025-11-21T07:05:17.0666667+00:00
NickNN 40 Reputation points
commented 2025-11-28T06:55:24.8833333+00:00
Harry Vo (WICLOUD CORPORATION) 3,505 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

Automation Id for Picker tool's "Done" button is unavailable in iOS 26.0

Hi there, I have a Picker element being used in my .NET MAUI app (in .NET 9). Testing is being carried out using real devices on Browser Stack. Automation is carried out using Appium. In previous versions of iOS prior to iOS 26.0, the Automation Id…

Developer technologies | .NET | .NET MAUI
asked 2025-11-27T01:33:40.4866667+00:00
Dilan Perera 20 Reputation points
commented 2025-11-28T02:12:14.4066667+00:00
Jack Dang (WICLOUD CORPORATION) 4,865 Reputation points Microsoft External Staff Moderator