Category "xamarin.forms"

Linker errors in Xamarin Forms iOS

I am getting below linker errors upon build in an Xamrain Forms iOS project. I have tried from both a Visual Studio for Mac and from Visual Studio Windows paire

OidcClient.LoginAsync in Xamarin Android caching the login information

In Xamarin.Forms application, I am doing login through OidcClient, I am facing one issue with Android. After the first successful login, the user does not go th

Porting Xamarin tutorial over to .NET MAUI

For my first ever mobile app project (which will eventually become an actual commercial project), I would like to try out .NET MAUI. Unfortunately since it's s

I would like to change my Items Page from using CollectionView to ListView in xamarin.forms but I am having issues?

The above header refers. I would like to make this change so I can implement expanding lists (whereby my some of my list of items could have sub-items that can

Xamarin iOS Crash on Launch mono_handle_exception_internal mini-exceptions.c EXC_BAD_ACCESS (SIGABRT)

When I submit the app to the AppStore, I get an error from Apple, can I ask a question here After a while trying to read the crashlog file Apple attached (I us

Xamarin System.ObjectDisposedException: 'Cannot access a closed Stream.'

I'm working on a mobile project with Xamarin Forms and I have this error in particulary case but, it's impossible to use the debuger to fix it. System.ObjectDis

Xamarin.Forms: editing (in VS) custom control's property value at runtime in XAML doesn't cause any updates

I have a custom control in Xamarin.Forms app that's described via XAML. For example, CustomControl.xaml: <ContentView xmlns="http://xamarin.com/schemas/2014/

Newtonsoft.Json.JsonSerializationException Message=Cannot deserialize the current JSON object

here the ex Newtonsoft.Json.JsonSerializationException Message=Cannot deserialize the current JSON object (e.g. {"name":"value"}) into type 'System.Collection

Xamarin.Forms: add control (in XAML) based on Platform

I have this (simplified) layout in XAML using Xamarin Forms: <controls:MyTabItemView> <ScrollView> <Grid> ......

Change item control property of checked listview item Xamarin.Forms

Hy, I am trying to show a comment input if the item checkbox is checked and hide it else, i have this XAML <ListView ItemsSource="{Binding TaskItems}" x:Name

Xamarin Drag and drop how to edit balloon icon and text see image

Using the drag drop sample https://github.com/xamarin/xamarin-forms-samples/tree/main/WorkingWithGestures/DragAndDropGesture I'm not sure its actually a notify

Azure B2C broken when explicitly-declared value for android:exported is used

My Xamarin.Forms application uses Azure AD B2C for authentication. Currently, I have to use Android 12 instead of Android 10. According to the documentation, it

Show CollectionView Grouping not working in Xamarin

I have an article here about showing Data Groups from Preferences . As per everyone's input I switched to CollectionView. I have consulted the article https://d

Uploading Image files from Xamarin App to Gallery and Azure

I am working on a development (Android, IOS) that requires uploading Images files to an Azure Storage, this images can be taken from the gallery or with the dev

Xamarin.Forms : Error running program in debug mode after reinstalling Visual Studio 2019 v 16.11.11 preview 1.0

I had to reinstall Visual Studio 2019 after a Windows 10 crash. My program was developed under VS 2019 16.9.3, and the reinstalled version is 16.11.11 preview 1

CarouselView Xamarin forms indicator view not showing

Im trying to see the indicator views , but for some reason I cant see them , also , I tried horizontals options : fill and expand , it does work on ios on lands

Xamarin Forms ToolbarItem text (only) is not displaying on Android (only)

I have a working Xamarin Forms app for Android and UWP. (I have not yet attempted iOS.) I have the following ToolbarItem: <ContentPage Title="Debug" ... >

Cannot get Alerts to show on iPhone no matter what way I code it and I have tried 4 different ways

Of these 4 methods mentioned, they all work in the simulator, but non of them work on the iPhone. Here are the pieces of code that come into play here. <List

How to dynamically add/remove back button from a page that's already been constructed in XamarinForms.Android?

Our team is currently implementing some UI/UX improvements to standardize how a user saves/cancels any changes made while editing data in our app; and I've got

DisplayPromptAsync is unable to disallow suggestions in Xamarin on Android

I have a working Xamarin Forms app for Android, UWP and one of these days, iOS. I ask the user to type a userid in a DisplayPromptAsync() and I would like to di