5,381 questions with Developer technologies | .NET | Xamarin tags
Error while submitting an Xamarin.iOS app to App Store
I am following the instructions given in this doc to upload my iOS app to App Store from VS 2019. I don't know why I am unable to upload image files today here. So I will just explain. The project properties are set as shown in the referenced doc…
Developer technologies | .NET | Xamarin
Publishing file to Apple App Store Failed "Unable to validate archive"
I successfully created the ipa file but receive a message Publishing Failed - Unable to validate archive. There is no additional information and I am unable to determine what is the problem.
Developer technologies | .NET | Xamarin
FlexLayout - System.Exception Message=something is deeply wrong
I'm attempting to rewrite a page (ContentView, actually) built with grids--replacing all grids with FlexLayouts. While admittedly a newbie, it seems obvious Xamarin wasn't prepared for what I've written. Sorry for the long piece of code that follows. …
Developer technologies | .NET | Xamarin
Request for Support: iOS Native Development Continuity with .NET 9 (MAUI)
Dear Microsoft Team, We are reaching out to seek your guidance and support regarding a critical blocker we are facing in our iOS development workflow with .NET MAUI. Current Challenge Our mobile application is being developed using .NET MAUI and…
Developer technologies | .NET | Xamarin
Saving files to "/storage/emulated/0/MyApp"
Hello, I have been using this code to create and use a directory for storing my files, and reports. public async Task<string> CreateSavePath(string path = null) { var filePath =…
Developer technologies | .NET | Xamarin
XA0137: The 'run-as' command failed with 'run-as: couldn't stat /data/user/0/com.test.demo: No such file or directory '.
Hi all, My app not installing in release mode, Even I tried generating apk and installing but app is crashing every time. I'm getting following error Start debugging Android application failed Start debugging Android application ... am start -a…
Developer technologies | .NET | Xamarin
dynamic tabbar in xamarin.forms shell?
ok can it be changed dynamiclly? the title icon route and contentTemplate?
Developer technologies | .NET | Xamarin
[chromium] [INFO:CONSOLE(0)] "Failed to load module script: The server responded with a non-JavaScript MIME type of "";. Strict MIME type checking is enforced for module scripts per HTML spec
Steps to reproduce the problem: Using Xamarin Webview to load URL. Facing problems on Android APK < 30 with lower chrome version. Unable to load Webview. Problem Description: Trying to launch a Xamarin.Android WebView using…
Developer technologies | .NET | Xamarin

Emulator not running. Could not get emulator name after starting AVD
I recently installed windows 11 and android emulator stopped working. I recently installed windows 11 and android emulator stopped working. This is the errorstrong text my configuration is I have tried different combinations…
Developer technologies | .NET | Xamarin

Forwarding debugger port 8872 , Detecting existing process
HI all, From last few days I'm getting an issue related to android build both Debug and release mode also not working. In debug mode even app also not installing, I'm getting Forwarding debugger port 8872 Detecting existing process am start -n…
Developer technologies | .NET | Xamarin
How Cast(Convert) Java.Lang.Object derived to C# object
Hi. I'm going to use Microsoft SignalR with Xamarin.Android. so I need to setup 3 projects; -Web Application(as Server) -Xamarin.Android( as Client) -Shared Project (containing Models) suppose we have a simple POCO C# class which is shared…
Developer technologies | .NET | Xamarin
How to Upload a Xamarin IPA to App Store with Xcode 16.3 on macOS 15.4.1?"
Following the resolution of a recent production issue, I attempted to build the IPA on a Mac that was just updated to the latest macOS version(15.4.1). and Xcode version from 15.5 to 16.3. This update is necessary because, starting May 1st, 2025, all…
Developer technologies | .NET | Xamarin
How to resolve Xamarin.Forms crash when navigating between pages on Android?
I'm experiencing an issue in a Xamarin.Forms app where the app crashes when navigating between two pages, but only on Android devices. The crash log mentions an ObjectDisposedException related to a renderer. I suspect it has something to do with the way…
Developer technologies | .NET | Xamarin
XAMARIN SPEECH RECOGNITION API
There is an API whose package name is android.speech in Android SDK. It converts speech to text through preinstalled Google application in Android phones. I wonder whether Xamarin Forms SDK has an API counterpart of android.speech or not.
Developer technologies | .NET | Xamarin
How to fix 17.13.5 Issue
After updating my VS Studio Community installation to version 17.3.5 from version 17.12.5, I now get the following major error when building my Xamarin Android app: System.UnauthorizedAccessException: Access to the path 'AndroidManifest.xml' is denied. …
Developer technologies | .NET | Xamarin
VS2022 can not see my real android device
I have a Galaxy S10e on Android 11 that has Dev mode turned on and is connected via USB to the pc. Visual Studio 2022 does not see this device. It is not in the list of devices to choose to run on. So, I can't test against a real device. I have deleted…
Developer technologies | .NET | Xamarin
Problem publishing .NET MAUI app to Google Play Store: Unpacking failed error
Hello, I have problem when I try publish my .NET Maui application to Google Play Store, I see this error message: Unpacking failed. Please download 'https://dl.google.com/firebase/ios/analytics/59128155f949f77d/GoogleAppMeasurement-8.9.1.tar.gz' and…
Developer technologies | .NET | Xamarin
Developer technologies | .NET | .NET MAUI
Microsoft Security | Intune | Microsoft Intune Android
IsEnabled property doesn't seem to work for AppShell
I want to use the IsEnabled property of ShellContent object of the AppShell, but this property doesn't seem to have any effect if True or False. If working, this property is very handy, for example, to disable user interaction until some conditions are…
Developer technologies | .NET | Xamarin
Bind to a static variable inside App.xaml
Hi, How can I bind my XAML to a static variable inside the App.xaml.cs? For example: namespace Mawaqeet { public partial class App : Application { public static string my_name { get; set; } public static DateTime my_birthday…
Developer technologies | .NET | Xamarin
ListView Item Selected/Tapped not Working on iOS
We have recently implemented ItemSelected on one of our ListView components. It works fine on Android, but on iOS the list items only respond to a user hitting them about 1 out of 10 times. We tried changing our ItemSelected handler to an ItemTapped, but…