5,383 questions with Developer technologies | .NET | Xamarin tags

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1 answer

WebView events does not detect the url change

I want to navigate only to a youtube video and if I try to navigate to youtube home or another page inside youtube, i want to detect the url change and cancel it from loading. I have implemented the OnNavigating and OnNavigated event, a webview custom…

Developer technologies | .NET | Xamarin
Developer technologies | .NET | Xamarin
A Microsoft framework for building cross-platform mobile apps using .NET and C# with native performance and user interfaces.
5,383 questions
asked 2021-06-17T15:28:35.95+00:00
Alan Rojas 1 Reputation point
commented 2026-01-05T07:19:02.6133333+00:00
Nar3ik36 0 Reputation points
4 answers One of the answers was accepted by the question author.

Rotate an App in the correct mode

Hi to all. I have an App with Xamarin that needs to show the screen only in one mode: vertical not orizontal. When I rotate the tablet for me is useful to avoid the rotation in the side when the width is larger than the height so the image of the xaml is…

Developer technologies | .NET | Xamarin
Developer technologies | .NET | Xamarin
A Microsoft framework for building cross-platform mobile apps using .NET and C# with native performance and user interfaces.
5,383 questions
asked 2025-12-28T19:18:09.2833333+00:00
Paolo Mossa 246 Reputation points
answered 2025-12-30T04:31:15.3566667+00:00
Paolo Mossa 246 Reputation points
2 answers One of the answers was accepted by the question author.

How to "sign" an Android aab before submitting to the Play Store

I'm relatively new (a few months) to Xamarin and have successfully created a cross platform app that I'd now like to publish to the stores. My app works fine on a raft of simulators and emulators as well as my (principal device) iPhone 11 and my (token)…

Developer technologies | .NET | Xamarin
Developer technologies | .NET | Xamarin
A Microsoft framework for building cross-platform mobile apps using .NET and C# with native performance and user interfaces.
5,383 questions
asked 2020-12-11T05:16:52.657+00:00
Grime 796 Reputation points
commented 2025-12-22T03:12:49.7333333+00:00
Ronald 0 Reputation points
3 answers

-AAPT indicates error about all files in folder animation

Hello I create a project for creating .net application for android. Also i add a subfolder named animation below Resources folder. In this folder i stored some xml files. When i build the project i get error Error (active) APT2144 invalid file path…

Developer technologies | .NET | Xamarin
Developer technologies | .NET | Xamarin
A Microsoft framework for building cross-platform mobile apps using .NET and C# with native performance and user interfaces.
5,383 questions
asked 2025-12-02T20:46:07.4966667+00:00
Shay Wilner 1,746 Reputation points
commented 2025-12-16T08:09:47.46+00:00
Harry Vo (WICLOUD CORPORATION) 4,665 Reputation points Microsoft External Staff Moderator
7 answers

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
Developer technologies | .NET | Xamarin
A Microsoft framework for building cross-platform mobile apps using .NET and C# with native performance and user interfaces.
5,383 questions
asked 2021-09-17T16:33:28.817+00:00
Nagarjuna Gadikota 1 Reputation point
answered 2025-12-03T10:05:27.1666667+00:00
Alistair Thomson 30 Reputation points
3 answers

Visual Studio 2022 Version 17.14.20 Is not showing Remote Device for .NET iOS Release builds

Remote device is no longer available for release builds in VS2022 version 17.14.20 for .NET iOS release builds.

Developer technologies | .NET | Xamarin
Developer technologies | .NET | Xamarin
A Microsoft framework for building cross-platform mobile apps using .NET and C# with native performance and user interfaces.
5,383 questions
asked 2025-11-13T17:24:59.5066667+00:00
David Rodenberg 5 Reputation points
commented 2025-12-03T07:29:16.79+00:00
Surya Amrutha Vaishnavi Lanka (INFOSYS LIMITED) 1,725 Reputation points Microsoft External Staff
3 answers One of the answers was accepted by the question author.

Issue with running Xamarin Forms project on Visual Studio 2022

I have a Xamarin Forms project and I am not able to run it on my Visual studio. The problem is the emulator and physical device are also not showing in the VS to run. VS version: Microsoft Visual Studio Professional 2022 (64-bit) - Current Version…

Developer technologies | .NET | Xamarin
Developer technologies | .NET | Xamarin
A Microsoft framework for building cross-platform mobile apps using .NET and C# with native performance and user interfaces.
5,383 questions
asked 2025-11-18T09:10:00.3033333+00:00
Sreenivasan, Sreejith 555 Reputation points
commented 2025-11-27T11:05:57.7566667+00:00
Sreenivasan, Sreejith 555 Reputation points
1 answer One of the answers was accepted by the question author.

XAMARIN FORMS ERROR INSTALL

Hello, I have a XAMARIN application that is working perfectly on the EMULATOR, but when I copy the APK to a mobile device it says that it cannot install, or sometimes it even installs but does not open. Anyone to give me a tip?

Developer technologies | .NET | Xamarin
Developer technologies | .NET | Xamarin
A Microsoft framework for building cross-platform mobile apps using .NET and C# with native performance and user interfaces.
5,383 questions
asked 2022-09-01T20:30:47.87+00:00
cristiano rogoy 21 Reputation points
commented 2025-11-11T06:51:44.1733333+00:00
1 answer

Imagem ao lado de texto Xamarin Forms

Estou tentando criar uma tela de perfil de usuário, e nela algumas informações do usuário serão expostas e gostaria de colocar ao lado do nome, por exemplo, uma imagem de uma pessoa (como um ícone). Porém, a imagem não aparece, o espaço onde ela deveria…

Developer technologies | .NET | Xamarin
Developer technologies | .NET | Xamarin
A Microsoft framework for building cross-platform mobile apps using .NET and C# with native performance and user interfaces.
5,383 questions
Developer technologies | C#
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,749 questions
asked 2022-03-17T16:24:11.353+00:00
Julia gubolin 1 Reputation point
answered 2025-10-30T02:03:31.6066667+00:00
Paulo Lopes 0 Reputation points
1 answer

What changes I would need to release Application for Android 16KB in Xamarin.Android?

Hi, in order to meet the "Android 16 KB Memory Page Requirement", is it mandatory to move the app from Xamarin to MAUI or is there any way to do it in Xamarin? Many thanks. Regards.

Developer technologies | .NET | Xamarin
Developer technologies | .NET | Xamarin
A Microsoft framework for building cross-platform mobile apps using .NET and C# with native performance and user interfaces.
5,383 questions
asked 2025-10-10T11:33:29.5966667+00:00
Juan Antonio Ortega 5 Reputation points
commented 2025-10-20T02:05:12.3633333+00:00
Starry Night 625 Reputation points
1 answer

Xamarin Android error during Release compilation. XALNK7001: System.NullReferenceException at MonoDroid.Tuner.AddKeepAlivesStep.AddKeepAlives

I've an Android app that compiles and runs in Debug mode. When I set it to Release mode, I receive following error during compilation: XALNK7001: System.NullReferenceException: Object reference not set to an instance of an object. at…

Developer technologies | .NET | Xamarin
Developer technologies | .NET | Xamarin
A Microsoft framework for building cross-platform mobile apps using .NET and C# with native performance and user interfaces.
5,383 questions
Developer technologies | Visual Studio | Other
Developer technologies | Visual Studio | Other
A family of Microsoft suites of integrated development tools for building applications for Windows, the web, mobile devices and many other platforms. Miscellaneous topics that do not fit into specific categories.
5,646 questions
asked 2022-09-24T09:13:39.253+00:00
Bado-dev 1 Reputation point
answered 2025-10-16T11:33:03.47+00:00
Vlad 0 Reputation points
3 answers One of the answers was accepted by the question author.

What shall I do for making my Xamarin project to be complaint with the new 16KB Google Play Rulec?

We were asked to update our mobile app to be compliant with the new google play rule to support 16kb. However, our app is still on Xamarin and it was end of support last year. To make sure that we are still be able to release new version in the future,…

Developer technologies | .NET | Xamarin
Developer technologies | .NET | Xamarin
A Microsoft framework for building cross-platform mobile apps using .NET and C# with native performance and user interfaces.
5,383 questions
asked 2025-10-14T14:56:54.8533333+00:00
Xuan Peng 20 Reputation points
accepted 2025-10-15T15:29:34.1933333+00:00
Xuan Peng 20 Reputation points
1 answer

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
Developer technologies | .NET | Xamarin
A Microsoft framework for building cross-platform mobile apps using .NET and C# with native performance and user interfaces.
5,383 questions
asked 2025-04-30T12:44:43.4266667+00:00
MOON 60 Reputation points
commented 2025-10-11T11:52:20.91+00:00
MOON 60 Reputation points
2 answers

Best obfuscators for C# mobile apps

I may have been confused among which of the following programming languages should I learn on my own: C#, C++, Java, JavaScript, CSS, and XML. JavaScript, CSS, and XML are used for web authoring markup language purposes. C# and Java - well - it is a…

Developer technologies | .NET | Xamarin
Developer technologies | .NET | Xamarin
A Microsoft framework for building cross-platform mobile apps using .NET and C# with native performance and user interfaces.
5,383 questions
Developer technologies | C#
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
11,749 questions
asked 2022-02-07T00:24:00.023+00:00
John 511 Reputation points
answered 2025-09-26T16:30:23.41+00:00
Bruce (SqlWork.com) 82,321 Reputation points Volunteer Moderator
1 answer

Xamarin.Forms Android failing after publishing to GooglePlay

0 I have published an Xamarin.Forms Android application into GooglePlay. Unforutnealy for some of users application crashes at startup. I have found the phone which is failing however when I run the app from VisualStudio the application is running…

Developer technologies | .NET | Xamarin
Developer technologies | .NET | Xamarin
A Microsoft framework for building cross-platform mobile apps using .NET and C# with native performance and user interfaces.
5,383 questions
asked 2022-03-03T15:02:29.933+00:00
Mieszko Misztal 1 Reputation point
commented 2025-09-25T17:48:13.51+00:00
harie sunza 0 Reputation points
2 answers

Request permission to use background data and battery management in Xamarin Android

In my Xamarin Android project I have to request permissions to use data in the background and not limit the use of the battery for background activities, the request works on many devices but on Oppo it doesn't work. I would like to allow foreground…

Developer technologies | .NET | Xamarin
Developer technologies | .NET | Xamarin
A Microsoft framework for building cross-platform mobile apps using .NET and C# with native performance and user interfaces.
5,383 questions
asked 2023-10-21T09:13:19.9666667+00:00
Jcdv Del Vecchio 0 Reputation points
answered 2025-09-25T15:16:54.7933333+00:00
Jcdv Del Vecchio 0 Reputation points
1 answer

Huawei mobile service and app gallery

I have published new app, I don't use any of google services such as maps or push notification, or authentication ...etc., the app functionality is simple and depend on our own business data. I used Huawei Y9 EMUI version 9.1.0, and 10.0.0 ,I found the…

Developer technologies | .NET | Xamarin
Developer technologies | .NET | Xamarin
A Microsoft framework for building cross-platform mobile apps using .NET and C# with native performance and user interfaces.
5,383 questions
asked 2021-07-26T08:51:33.427+00:00
Strange Mood 1 Reputation point
commented 2025-09-25T09:45:12.8+00:00
Gade Harika (INFOSYS LIMITED) 2,415 Reputation points Microsoft External Staff
1 answer

How to implement "In-App update" without depending on API in Xamarin

How ca we achieve "In-App" update in Xamarin without using API. If is there any specific naught package or solution to implement the same then, please let me know. My app is uploaded on Playstore and I want to show app update pop up in my…

Developer technologies | .NET | Xamarin
Developer technologies | .NET | Xamarin
A Microsoft framework for building cross-platform mobile apps using .NET and C# with native performance and user interfaces.
5,383 questions
asked 2023-05-23T04:57:29.74+00:00
Mohd Habibul Bashar 0 Reputation points
answered 2025-09-25T06:48:02.7033333+00:00
Sheeraz Ali 170 Reputation points
0 answers

Control for pull stories with images/videos for social media

Hi, I am currently developing an app where user can post stories with images and videos like Instagram/FB. Currently I am using WebView in carousal view to show the images/videos in one control but it is not able to run well. I am getting some…

Developer technologies | .NET | Xamarin
Developer technologies | .NET | Xamarin
A Microsoft framework for building cross-platform mobile apps using .NET and C# with native performance and user interfaces.
5,383 questions
asked 2021-05-24T11:12:28.103+00:00
Ajay Tyagi 1 Reputation point
answered 2025-09-15T14:42:10.4933333+00:00
seo Blogs 0 Reputation points
1 answer

To Bundle or .apk? Android app

Hello, I'm going through the throws of releasing first build to the Google Play Store. Up to now I've always built to .apk and deployed to test devices. The .apk is signed with my own .snk and .keystore The app is also obfuscated. All runs on…

Developer technologies | .NET | Xamarin
Developer technologies | .NET | Xamarin
A Microsoft framework for building cross-platform mobile apps using .NET and C# with native performance and user interfaces.
5,383 questions
asked 2020-12-03T14:29:57.057+00:00
LMiles 21 Reputation points
commented 2025-09-14T21:49:29.1633333+00:00
harie sunza 0 Reputation points