4,351 questions with Developer technologies | .NET | .NET Multi-platform App UI tags

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2 answers One of the answers was accepted by the question author.

Is it necessary to call some code on Android in Activity1.cs when the user quits my application?

On iOS, I use this code in Program.cs when the user quits my application: public override void WillTerminate(UIApplication application) { if (_notificationDelegate != null) { …

Developer technologies | .NET | .NET Multi-platform App UI
asked 2026-01-09T10:18:31.22+00:00
Kim Strasser 2,641 Reputation points
accepted 2026-01-12T11:03:30.9233333+00:00
Kim Strasser 2,641 Reputation points
1 answer

Importing an image from a MAUI Android phone

[translation] Image could not be retrieved from the MAUI Android phone. I've tried to answer chatgpt, gemini, github cmpilot questions, but it's not working out. Android version: 11 Operation Description: When I open the app on my Android local device…

Developer technologies | .NET | .NET Multi-platform App UI
asked 2025-12-27T06:31:20.88+00:00
상철 최 0 Reputation points
commented 2026-01-12T04:29:26.6766667+00:00
Anonymous
2 answers

How to pass data in .NET MAUI Shell navigation without using QueryProperty or public setters

I’m using .NET MAUI Shell navigation with MVVM. Most examples pass data using [QueryProperty] or public settable properties on the ViewModel. I want to avoid both and follow a cleaner MVVM approach. Example navigation: await…

Developer technologies | .NET | .NET Multi-platform App UI
asked 2026-01-10T09:56:03.8466667+00:00
Kriti Raaj 0 Reputation points
answered 2026-01-12T03:52:18.8766667+00:00
Jack Dang (WICLOUD CORPORATION) 18,975 Reputation points Microsoft External Staff Moderator
3 answers One of the answers was accepted by the question author.

Cannot add my MAUI app to a TestFlight via Transporter. It always complains about a certificate.

I cannot add my MAUI app to a TestFlight via Transporter. It always complains about a certificate. I can add my 'Hello World' app from XCode to a TestFlight using the same exact certificate without a problem.

Developer technologies | .NET | .NET Multi-platform App UI
asked 2025-11-25T17:55:59.4833333+00:00
Elena Ovlakh 20 Reputation points
commented 2026-01-12T02:35:47.51+00:00
Anonymous
1 answer One of the answers was accepted by the question author.

Cant call JS function of WebView on Windows

Hello, I have a WebView-Component with a local source and I want to call a JS function with the "Eval" or "EvaluateJavaScriptAsync" Method, but on Windows it doesnt work. It does work on Android after I added "UseCleartextTraffic…

Developer technologies | .NET | .NET Multi-platform App UI
asked 2026-01-10T18:06:50.02+00:00
Arthur P 90 Reputation points
accepted 2026-01-11T15:16:06.8233333+00:00
Arthur P 90 Reputation points
2 answers One of the answers was accepted by the question author.

Extension method must be defined in a non-generic static class

I get the error Extension method must be defined in a non-generic static class in my Azure Function project in Visual Studio Code. But I cannot change public class NewFunction to public static class NewFunction because then I get 'NewFunction.log':…

Developer technologies | .NET | .NET Multi-platform App UI
asked 2025-12-19T08:06:30.4966667+00:00
Kim Strasser 2,641 Reputation points
accepted 2026-01-09T10:04:28.9866667+00:00
Kim Strasser 2,641 Reputation points
3 answers One of the answers was accepted by the question author.

How can I install an old Visual Studio Community version?

I want to install Visual Studio Community version 17.14.14 instead of the current version 17.14.19. I have already uninstalled all other Visual Studio versions. How can I install Visual Studio Community version 17.14.14? I have downloaded the VS 17.14.14…

Developer technologies | .NET | .NET Multi-platform App UI
asked 2025-11-07T22:06:16.1366667+00:00
Kim Strasser 2,641 Reputation points
accepted 2026-01-09T10:03:23.6066667+00:00
Kim Strasser 2,641 Reputation points
1 answer One of the answers was accepted by the question author.

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 Multi-platform App UI
asked 2025-10-14T05:51:17.85+00:00
Sreenivasan, Sreejith 1,085 Reputation points
accepted 2026-01-09T07:57:32.7233333+00:00
Sreenivasan, Sreejith 1,085 Reputation points
2 answers

When building maui app iOS getting build issues

<!-- Failed to upload "MauiAppiOSSample.zip" --> Basically, I am building a .NET MAUI iOS app with a Kotlin Multiplatform SDK that contains a sample class, a sample method, and a print statement. Step 1: iOSBindingSampleSDK.zip <!--…

Developer technologies | .NET | .NET Multi-platform App UI
asked 2025-12-19T06:49:22.7833333+00:00
Ravilla, Kalyan 0 Reputation points
commented 2026-01-09T04:29:17.04+00:00
Anonymous
2 answers

I get the warning: observer object was not disposed manually with Dispose() multiple times when I start debugging my iOS project on my iPad Air

I get many messages(in debug mode) in the Visual Studio Output window that I don´t understand and I don´t know where these messages come from when I debug my iOS project on my iPad Air. My iPad Air is connected to my MacBook Air. I get the warning:…

Developer technologies | .NET | .NET Multi-platform App UI
asked 2025-12-15T21:53:42.7133333+00:00
Kim Strasser 2,641 Reputation points
commented 2026-01-07T10:38:34.6+00:00
Anonymous
1 answer One of the answers was accepted by the question author.

Is it necessary to configure App Store Server Notifications in App Store Connect when I use push notifications?

Is it necessary to set up an url in App Store Connect under App Store Server Notifications when I want to use push notifications in my application after I launch my application in the Apple App Store?

Developer technologies | .NET | .NET Multi-platform App UI
asked 2026-01-06T09:31:07.6766667+00:00
Kim Strasser 2,641 Reputation points
accepted 2026-01-06T11:49:07.03+00:00
Kim Strasser 2,641 Reputation points
2 answers One of the answers was accepted by the question author.

build error .NET MAUI app upgrade .NET 9.0 to .NET 10.0

getting build error Error in C:.nuget\xamarin.androidx.compose.runtime.annotation.android\1.10.0\buildTransitive\net10.0-android36.0\ ..\..\aar\runtime-annotation-android.aar:classes.jar:androidx/compose/runtime/Immutable.class: Type…

Developer technologies | .NET | .NET Multi-platform App UI
asked 2026-01-02T13:43:14.24+00:00
Bhuwan 1,246 Reputation points
accepted 2026-01-05T04:26:24.9733333+00:00
Bhuwan 1,246 Reputation points
0 answers

Using virtual appointments to implement video calls with .Net MAUI

I found out that it is possible to make video calls with virtual appointments (https://learn.microsoft.com/en-us/azure/communication-services/tutorials/virtual-visits). I wonder if there is any package and samples to use it on a mobile app for iOS…

Azure Communication Services
Azure Communication Services

An Azure communication platform for deploying applications across devices and platforms.

1,817 questions
Developer technologies | .NET | .NET Multi-platform App UI
asked 2022-11-03T17:22:52.763+00:00
Dmitriy Reznik 241 Reputation points
commented 2026-01-05T00:34:20.15+00:00
Andriy Baranskyy 0 Reputation points
1 answer One of the answers was accepted by the question author.

getting error when .NET MAUi app upgrade .NET 9 t .NET 10

getting this multiple error after upgrade .net 9 to .net 10 D:\Projects\App git\WebInterface\MAUIApp\obj\Debug\net10.0-android\lp\361\jl\AndroidManifest.xml Warning: Namespace 'com.google.android.recaptcha' is used in multiple modules and/or libraries:…

Developer technologies | .NET | .NET Multi-platform App UI
asked 2026-01-02T06:07:55.7133333+00:00
Bhuwan 1,246 Reputation points
accepted 2026-01-02T06:19:46.0066667+00:00
Bhuwan 1,246 Reputation points
2 answers One of the answers was accepted by the question author.

Can I use the same app in App Store Connect and Google Play Console for testing and publishing?

I have one app in App Store Connect and one app in Google Play Console that I use for uploading test builds. What happens with my test builds when I launch the app(from App Store Connect and Google Play Console) in the Apple App Store and Google Play…

Developer technologies | .NET | .NET Multi-platform App UI
asked 2025-12-27T12:09:07.0333333+00:00
Kim Strasser 2,641 Reputation points
accepted 2026-01-01T12:54:48.6366667+00:00
Kim Strasser 2,641 Reputation points
1 answer One of the answers was accepted by the question author.

Display Alert is not shown in MAUI IOS other than OnAppearing of a page

I am trying to test my MAUI app in IOS and noticed that display alert does not work in any other place other than OnAppearing() , it works fine in Android . I tried the following options , added delay before display alert await Task.Delay(100) used…

Developer technologies | .NET | .NET Multi-platform App UI
asked 2025-12-29T06:41:47.07+00:00
Manickam, Suraj 385 Reputation points
accepted 2026-01-01T11:26:29.3066667+00:00
Manickam, Suraj 385 Reputation points
1 answer

Issue to MAUI app

Hi, Is Azure the best option for DB of Maui app? Any samples for having few forms on one Maui project?

Developer technologies | .NET | .NET Multi-platform App UI
asked 2025-12-19T10:01:05.4866667+00:00
Scott Huang 3,511 Reputation points
commented 2025-12-31T11:52:17.36+00:00
Varsha Dundigalla(INFOSYS LIMITED) 5,185 Reputation points Microsoft External Staff
1 answer One of the answers was accepted by the question author.

WebView does not load on Windows

Hello, I have a WebView component, which has a Source, WidthRequest and HeightRequest attribute, but it doesnt show up when im debugging on Windows Machine. The component works on Android perfectly. Is there some setting I have to enable for it to be…

Developer technologies | .NET | .NET Multi-platform App UI
asked 2025-12-17T17:49:14.3833333+00:00
Arthur P 90 Reputation points
accepted 2025-12-30T13:27:22.67+00:00
Arthur P 90 Reputation points
2 answers

Android renders blank screen when performing absolute navigation via NavigationPage on .NET 10

Hi, We have a .NET 10 MAUI mobile application that uses Microsoft.Maui.Controls navigation (INavigation / NavigationPage) and have observed a platform inconsistency when performing absolute (reset) navigation. The application does not use Shell. The…

Developer technologies | .NET | .NET Multi-platform App UI
asked 2025-12-19T03:57:49.5833333+00:00
Steve Liao 0 Reputation points
commented 2025-12-26T13:42:31.81+00:00
Varsha Dundigalla(INFOSYS LIMITED) 5,185 Reputation points Microsoft External Staff
1 answer One of the answers was accepted by the question author.

App Store Connect in-app purchases prices have not the same value in USD than in EUR and differ from Google Play Console prices

I have created in-app purchases in my application but the prices in App Store Connect and in Google Play Console are not as I expected. The value is not the same in USD and EUR and the price for each in-app purchase differs in the two stores. App Store…

Developer technologies | .NET | .NET Multi-platform App UI
asked 2025-12-21T21:41:37.5+00:00
Kim Strasser 2,641 Reputation points
commented 2025-12-25T01:57:04.1466667+00:00
Anonymous