Content
How create a Xamarin Android distro than can be sideloaded?
I have done this before. I believe in Android Porject->Properties->Archive I used to be able to create an APK that could then be sideloaded from a shared Windows server onto an Android device. I am now on VS 2022 and it seems the only Archive…


Xamarin.Form make OutBound Call with SpeakerPhoneOn
It use to be that AudioManager allowed to turn SpeakerPhone On and Off during InBound and OutBound Call. I have posted several question for Android 10-13 with Xamarin each of which have fallen on deaf ears. WHY? Could it'd be that Google has sabotage the…


Get reminders based on data in a database
I want to get reminders for some Appointments that I have saved in database and they have a notificationTime property witch is the time when a notification needs to be displayed. My approach so far is to write some kind of job that runs 1 or 2 times a…


Code to auto enable "open link externally" in Facebook for android app
How to auto enable "open link externally" in Facebook for android app? Is there any permission I need to give in manifest file or something else? Thanks in advance. Regards, Anurag


Insecure Storage: Android World Readable or Writeable issue
We are reports from static scanning engines of "Insecure Storage: Android World Readable or Writeable" issues for our Xamarin mobile apps. The specific paths highlighted are: /data/data/[app name]/files/.config /data/data/[app…


resource mipmap/myicon not found. How to fix this?
I have a VS 2019 Xamarin app. It had previously compiled OK and was distributable. The app's icon is poorly formed so I updated it. But now when I rebuild I get the icon changed in the Manifest to android:icon="@mipmap/myicon" and that…


How to share image along with text (both image and text) on same request using Xamarin essential
I want to share image file along with text in my mobile application. I am using Xamarin essential. but with this either I am able to share image or text. how to share both on a single request?


How to program the OnBackButtonPressed Xamarin
Hello I implented the the Mediapicker in my xamarin page, but if I am in the menu for "Picking up Photo" I try to click on Back Button to turn back to the previous Mainpage but it doesnt work because the BackButton is not defined. Please…


3221226107 (0xc000027b) API REST
Hello, I am a novice programmer. Does anyone know how to solve the problem with 3221226107 (0xc000027b). Well, after replacing the code in TodoListPage.xaml.cs from public partial class TodoListPage : ContentPage { public TodoListPage() { …


How to protect .apk file generated from Visual studio from tampering ?
We have developed the app using Xamarin Android native. While decompiling the apk we can see the manifest file is accessible and able to add debug options.How to protect it ?


Which of the two is the better way to use Xamarin?
Which of the two is the better way to use Xamarin? #.1 <Grid Grid.Row="0" Grid.Column="0" BackgroundColor="Yellow"> <Label Text="팔레트번호" HorizontalOptions="End" VerticalOptions="Center"…


Xamarin pushnotification OnMeasageRecieved event is not triggering in background and killed mode.
I have a Xamarin application and want to navigate to different pages when the user taps on the push notification Using azure notification hubs to sent notification.But in android this is not working while the app is in background and on killed mode.…


xamarin android emulator android > 9 ? how to make ?
Hello all, I have vs 2022 entreprise installed on my computer all works fine with emulator below android 9 .. i can push my app , debug ans so on .. I've try to make an android 10 / 11 and so on but impossible to start it ,, Of course i have the sdk who…


Does the class returned by System.Security.Cryptography.IncrementalHash.CreateHMAC(HashAlgorithmName.SHA256) uses a managed or a native crypto implementation?
I've developed an app with Xamarin for Android and iOS which uses a sha256 hash. I need to know if the class returned by System.Security.Cryptography.IncrementalHash.CreateHMAC(HashAlgorithmName.SHA256) uses a managed or a native sha implementation…


Dynamically Add Entry in a StackLayout and Retrieve Values in a List
As per the attachment, when clicked the '+' button, a new entry will display and need to store entered value in a List<string> . If 'x' clicked, the entry need to removed from the layout and removed from List<string> too.


Will Xamarin Native be supported in MAUI world
Hello. I've found official end-of-support date for Xamarin: https://dotnet.microsoft.com/en-us/platform/support/policy/xamarin But I've heard, tht Xamarin Native is technology behind MAUI, and it will continue to be supported after that date. It will be…


How to change scrollbar color and visible state of Scrollview
https://learn.microsoft.com/en-us/answers/questions/1124908/change-scroll-appearance-in-xamarin39s-listview.html I would like to know how to change the scrollbar color and visible state of Scrollview. I've asked a similar question before. Please…
What is projectname.iOS file which is huge in size created using Xamarin ios shown inside payload
When we create IPA in Xamarin using visula studio and we check the contents of the IPA using below method. Create IPA. Change the extension of IPA from .ipa to .zip Payload folder will get created In the Payload folder Projectname.iOS file will be…


Using Xamarin framework for coding in C#
I have completely mortgaged off my new Mac Mini 2020 with M1 chip implanted. Now that I have done that, and that I have an iPhone and Android mobile OS installed tablets - namely, a Samsung tablet brand, I want to learn quickly to code using their…
How do I get the List from firebase sorted?
The items display but I want them to be in ClubId order but can't get it to sort. What do I need to fix? Model/Club.cs public class Club { public int ClubId { get; set; } public string DateTime { get; set; } …

