Category "xamarin.forms"

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

How can display Picker item of firebase realtime using xamarain forms and add to firebase when select item

I want to display a picker items from firebase how can do this ? <Picker x:Name="AppointmentPatientName" Title="Patient Name" > <Picker.Ite

Xamarin forms android throw null exception after updating Xamarin forms to 5.0.0.2401

I have updated Xamarin Forms to latest version(5.0.0.2401). It is working fine in iOS. In android first it returns Error: Could not find 2 Android X assemblies,

application doesn't update language after changing the phone's language

i have created a simple xamarin.forms app in order to learn how to make my app multilingual. i found this tutorial https://www.c-sharpcorner.com/article/support

connect to a server with a self-signed certificate

Ive been doing some research about how to consume a web api executed on my localhost throught a xamarin app. The web api works perfect, I can adding and getting

Failed to codesign libSkiaSharp

I have an Xamarin.Forms (5.0.0.2083) app for android and ios. I am using Visual Studio version 16.11.2 and a mac with the latest xcode. I can build and execute

breakpoint not working on Xamarin PCL but working fine on .Android

Hello I have been trying to debug an Android project on mac os that was built with Xamarin Forms but have been unable to hit a single breakpoint in the Portable

How to change the cancel icon in Xamarin Forms Shell SearchHandler

I have a Xamarin Forms Shell app where I have implemented the Shell SearchHandler. The cancel button shows a book image. This only occurs on iOS - on Android,

Xamarin MAUI application not shows correct output

I have downloaded Visual Studio 2022 Professional (preview) version from MS Document. Also I have followed the other steps to create first sample application us

Xamarin.Forms iOS app in Release mode Community Toolkit TouchEffect command not firing

I have a Xamarin.Forms application with an Android and iOS version. The Android version is working fine in both Debug and Release mode.. in fact the Android ver

attribute barrierMargin (aka com.example.myapp:barrierMargin) not found

After updating xamarin.forms version to 5.0.2244 facing attribute barrierMargin (aka com.example.myapp:barrierMargin) not found myapp.Android\obj\Debug\100\lp\1

Microsoft.AspNetCore.SignalR.Protocol.JsonHubProtocol' threw an exception

I am getting the following exception when running Xamarin Forms iOS app after upgrade to the latest Visual Studio Mac: {System.TypeInitializationException: The

How can i Change tab item Content on Xamarin forms shell

I need to change one of my tabs' content depending on the condition of the user logged in or just a guest this is my shell <?xml version="1.0" encoding="utf-