4,121 questions with Developer technologies | .NET | .NET MAUI tags

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1 answer

I get this error when I try to debug my iOS project on my new iPad Air: error MT1006: Could not install the application.

I have added a new iPad Air in my Apple developer account in Devices. Then I have added the new device in Profiles to my Apple development profile. Then, in Visual Studio I clicked on Tools-->Options-->Xamarin-->Apple Accounts-->View…

Developer technologies | .NET | .NET MAUI
asked 2025-10-22T10:43:30.07+00:00
Kim Strasser 1,471 Reputation points
answered 2025-10-23T02:42:45.0833333+00:00
Michael Le (WICLOUD CORPORATION) 3,175 Reputation points Microsoft External Staff
1 answer

AlarmManager + Foreground Service still causes alarm delay in .NET MAUI Android app – how to fix?

Hi, I’m developing a .NET MAUI app for Android that announces the time every hour using TTS. Here’s my current setup: • I schedule alarms with AlarmManager, • When the alarm is triggered, a BroadcastReceiver fires, • The receiver starts a…

Developer technologies | .NET | .NET MAUI
asked 2025-09-25T06:22:37.2966667+00:00
fatih uyanık 245 Reputation points
commented 2025-10-23T02:22:31.8033333+00:00
Tony Dinh (WICLOUD CORPORATION) 3,410 Reputation points Microsoft External Staff
1 answer

why can not get the right bytes of str ?

System.Text.Encoding.Unicode.GetBytes("x") will only return two bytes why? and why the chinese and japanese and korea is in 4E00-9FFF there is 3 languages right?

Developer technologies | .NET | .NET MAUI
asked 2025-10-22T12:49:57.5133333+00:00
mc 6,036 Reputation points
edited an answer 2025-10-23T02:17:35.9833333+00:00
Starry Night 595 Reputation points
1 answer

Build issue after updating VS to latest

I am getting below errors after updating the VS to latest. Errors: The workload 'net8.0-ios' is out of support and will not receive security updates in the future. Please refer to https://aka.ms/maui-support-policy for more information about the…

Developer technologies | .NET | .NET MAUI
asked 2025-10-22T14:27:56.5433333+00:00
Sreenivasan, Sreejith 40 Reputation points
answered 2025-10-22T15:43:52.2733333+00:00
Bruce (SqlWork.com) 81,106 Reputation points Volunteer Moderator
0 answers

visual studio Maui Bluetooth error

This is a very weird error, and is bugging me a lot I am using Bluetooth The problem When I am debugging in visual studio, the app start and crashes after 6 seconds, however when you run the app directly, it will not crash the app running within visual…

Developer technologies | .NET | .NET MAUI
asked 2025-10-22T09:32:06.7733333+00:00
Eduardo Gomez 4,036 Reputation points
edited a comment 2025-10-22T12:25:37.3633333+00:00
Eduardo Gomez 4,036 Reputation points
2 answers

UNHANDLED EXCEPTION ON QUIT

I just migrated to VS 2026 Insiders and tried the NET MAUI 10 Sample that is generated when you create a new project. Testing with Emulator API 36. Pressing the '<' hardware button of the emulator throws the exception: …

Developer technologies | .NET | .NET MAUI
asked 2025-10-21T11:33:25.9866667+00:00
Giorgio Sfiligoi 481 Reputation points
commented 2025-10-22T07:56:06.9433333+00:00
Giorgio Sfiligoi 481 Reputation points
1 answer

In .Net MAUI Bluetooth Connection disconnect navigation between the Pages

In this I will explain the detailed issue and flow, Once the application was open on first launch it will be Language Selection (Content Page) Page, it will have 6 (buttons) it will a language name of it, while clicking any language based on that all…

Developer technologies | .NET | .NET MAUI
asked 2025-10-16T05:22:23.6566667+00:00
Jeyamani Sekar 20 Reputation points
edited a comment 2025-10-22T06:56:10.6366667+00:00
Tony Dinh (WICLOUD CORPORATION) 3,410 Reputation points Microsoft External Staff
1 answer

xamarin.androidx.biometric: _biometricsService.CanAuthenticate always returns false

Fingerprint authentication is working fine in my xamarin forms project using xamarin.androidx.biometric. Now I am migrating it to MAUI and I am getting false value for _biometricsService.CanAuthenticate. Below is my IBiometricsService interface: public…

Developer technologies | .NET | .NET MAUI
asked 2025-10-01T14:26:16.5833333+00:00
Sreenivasan, Sreejith 40 Reputation points
commented 2025-10-22T03:13:33.3266667+00:00
Tony Dinh (WICLOUD CORPORATION) 3,410 Reputation points Microsoft External Staff
2 answers One of the answers was accepted by the question author.

how to set orientation of one page in maui?

I have a page and I want to it be landscape or portrait. and other page keep its own orientation. when user open this page I want the page be landscape how to do it?

Developer technologies | .NET | .NET MAUI
asked 2025-10-20T01:18:42.5+00:00
mc 6,036 Reputation points
accepted 2025-10-21T12:50:21.34+00:00
mc 6,036 Reputation points
3 answers

What am I doing wrong?? it loads info into the list. only allows one png file for you to see the load

Listinfo.png

Developer technologies | .NET | .NET MAUI
asked 2025-10-09T12:57:57.0966667+00:00
Natale J Montalto 0 Reputation points
commented 2025-10-21T10:31:21.7933333+00:00
Michael Le (WICLOUD CORPORATION) 3,175 Reputation points Microsoft External Staff
1 answer

Inconsistent Character Rendering in PDF Page Images Using PdfPage.RenderToStreamAsync in .NET MAUI

We are using the PdfDocument API to access PDF pages and convert them into images using the PdfPage.RenderToStreamAsync method, in our .NET MAUI application. However, we are facing an issue where some characters are missing in the rendered images.…

Developer technologies | .NET | .NET MAUI
asked 2025-10-09T18:14:39.9666667+00:00
Bharathi Selvam 0 Reputation points
commented 2025-10-21T10:28:17.28+00:00
Michael Le (WICLOUD CORPORATION) 3,175 Reputation points Microsoft External Staff
1 answer

MAUI: Issue with loading pdf and image files in webview handler

I am migrating a Xamarin Forms project to MAUI. I have a custom webview for showing the pdf and image files in Xamarin Forms and I migrated it to a handler in MAUI. But the pdf and images are not visible on the UI in MAUI. When opening the pdf, the page…

Developer technologies | .NET | .NET MAUI
asked 2025-10-08T06:38:32.7333333+00:00
Sreenivasan, Sreejith 40 Reputation points
commented 2025-10-21T10:19:51.43+00:00
Michael Le (WICLOUD CORPORATION) 3,175 Reputation points Microsoft External Staff
1 answer

MAUI: Issue with displaying Flyout menu page

My home page is a FlyoutPage with Flyout as menu and Detail as DashboardTabPage. There are 3 children in DashboardTabPage and the last tab is menu. If I tap on menu once, the menu will open from left and if tap outside it hides. My problem is If I open…

Developer technologies | .NET | .NET MAUI
asked 2025-10-14T05:51:17.85+00:00
Sreenivasan, Sreejith 40 Reputation points
commented 2025-10-21T10:13:21.43+00:00
Michael Le (WICLOUD CORPORATION) 3,175 Reputation points Microsoft External Staff
1 answer

MAUI app crashing with release mode. Works fine with debud mode ?

MAUI app crashes with release mode. Works fine with debug mode. Targeting .net run time is .net 7.0. We are using a few syncfusion controls in our application. Those nuggets were up to date till now. Here are the crash…

Developer technologies | .NET | .NET MAUI
asked 2023-12-13T16:27:12.44+00:00
KallemSandeep-8232 41 Reputation points
commented 2025-10-21T00:59:53.3733333+00:00
Jan Housa 0 Reputation points
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
commented 2025-10-20T07:21:27.2066667+00:00
Michael Le (WICLOUD CORPORATION) 3,175 Reputation points Microsoft External Staff
1 answer

Hide Shell sub-tabs in MAUI and keep shell navigation.

I have Shell tabs and subtabs defined in XAML, but I want to hide or supress the subtab navigation bar, an implement my own navigation bar, while keeping the tab/subtabs structure. This is what we want to suppress/hide: And this is our XAML:

Developer technologies | .NET | .NET MAUI
asked 2025-10-03T12:11:56.7266667+00:00
Leo Wagner de Souza 696 Reputation points
commented 2025-10-20T04:01:44.2933333+00:00
Tony Dinh (WICLOUD CORPORATION) 3,410 Reputation points Microsoft External Staff
1 answer

Titlebar has weird peach / salmon color

I am struggling to find out how I change the color of the shell flyout navigation tab. I have tested with the default sample content app from Visual Studio. By default, I get this salmon color: If i overwrite the titlebar with my own custom color, I…

Developer technologies | .NET | .NET MAUI
asked 2025-10-04T13:20:11.6666667+00:00
unknown 0 Reputation points
commented 2025-10-20T03:52:42.8466667+00:00
Tony Dinh (WICLOUD CORPORATION) 3,410 Reputation points Microsoft External Staff
1 answer

Problema con iPhone 15 usando datos móviles (Movistar/Telefónica)

Hola comunidad, Actualmente estoy enfrentando un problema en mi aplicación móvil con un usuario en específico. El usuario tiene un iPhone 15 con proveedor Telefónica (Movistar). Al usar WiFi, la aplicación funciona correctamente. Sin embargo, al usar…

Developer technologies | .NET | .NET MAUI
asked 2025-10-01T16:18:29.7933333+00:00
Kevin Anchapaxi 80 Reputation points
commented 2025-10-20T03:04:08.4+00:00
Michael Le (WICLOUD CORPORATION) 3,175 Reputation points Microsoft External Staff
1 answer

CollectionView with RemainingItemsThreshold and groups

In my .NET 9 MAUI application, I have a CollectionView and the view model in the page passes the values via an ObservableCollection. public class WordGroup : List<Word> { public string Name { get; private set; } public…

Developer technologies | .NET | .NET MAUI
asked 2025-09-30T20:07:44.4666667+00:00
Enrico Rossini 231 Reputation points
commented 2025-10-20T03:01:10.1366667+00:00
Michael Le (WICLOUD CORPORATION) 3,175 Reputation points Microsoft External Staff
2 answers

Adding Android Auto support for an already existing MAUI application

We are integrating some media player functionalities for Android Auto/Cars support with MAUI mobile application. I am able to play some sample media with .Net MAUI for the Android platform, But when I am giving support for Android AUTO/Cars, I am unable…

Developer technologies | .NET | .NET MAUI
asked 2023-06-28T14:43:58.85+00:00
KallemSandeep-8232 41 Reputation points
answered 2025-10-19T20:11:39.7366667+00:00
Lindgren 0 Reputation points