Category "xamarin.forms"

Unable to load the URL in iOS WebView when the button is clicked for the first time

The mobile app is all about showing a SharePoint website in a WebView. I am trying to get the URL of a third party website on click of a button which is a part

Xamarin Forms ListViewCell not updating Image

I am trying to get an image to show in my custom ViewCell, however, setting it manually doesn't work. I am first creating a list of my custom view cells and set

Move a SVG icon along a Path in Xamarin.Forms

Is there a best practice on how to animate and move a SVG icon along a path of (x/y) coordinates in Xamarin.Forms? With Xamarin.Forms.Shapes there is the Path c

How To create a folder inside a Album in iOS iPhone Using Xamarin form

Hello Developer I want to create a a directory inside a Album in iOS using Xamarin form ,I need to use this directory to store all my capture images

Biometric login using IdentityServer on iOS/Android app

We have a website(client1) which uses IdentityServer4 for authentication. Now we want our xamarain mobile app(client2) to authenticate with IdentityServer4 usin

Error : Value cannot be null. Parameter name : path 1, when add a new Azure Mobile Apps table Controller

It's the first time I create a back end for my Xamarin.Forms application. I follow instructions on Azure Portal -> Quick-Start, create a data connection, cho

Bug - TextDecoration Strikethrough not working on iOS

I have a label where I want strikethrough and a lineheight of 1.5 This works fine with Android, but strikethrough does not work on iOS when LineHeight is also s

Using SqlConnection in Xamarin.Forms?

Can I use SqlConnection in Xamarin.Forms? I tend to use this in Windows and Web applications developed in Visual Studio, but I don't know how it would work in

DarkMode images in xamarin iOS in visual studio

In android you can create a drawable-night folder and put your dark mode images there. What is the process in iOS? Do I create a folder? I have visual studio 20

Does mvvmcross have a built-in message for viewmodel to tell view when ViewAppearing/Disappearing happen?

I have logic to be executed in a Xamarin.Forms ContentView (not a Page), when it appears and disappears. This is an mvvmcross content view: public partial class

When I try to save a QR code from the Zxing library I get an error with the BarcodeWriter class

Currently I want to store my generated qr code as an image in the phone gallery that executes it and then almost at the same time upload it as a backup to Amazo

Labels not appearing in Grid despite being children of it

I'm relatively new to Xamarin and I've been trying to programmatically add labels to a grid but each time they don't appear on the screen. Here's the code : for

Any idea how to add CarouselView indicators inside the CarouselView it self?

I am using a CarouselView to display a few views each one of them is basically 2 StackLayouts like so what I have done so far is create a CarouselView with

Error XAAAS7001: System.NullReferenceException

I just installed Visual Studio 2019, and I created a Xamarin.Forms project. When I tried to execute it in the android emulator, I get this error : Gravit&eacut

Changing an existing XF Android application to use Google App Signing. Which option should I select on the Play Store?

I have an existing Xamarin Forms application developed. I would like to start using .aab and that requires me to enable Google App Signing. As there's a pote

Xamarin.Forms SwipeView CommandParameter is null unless you reload UI HotReload

Ok, so I have a CollectionView bound to a collection of 'Show' objects. There's a fair bit going on with this CollectionView. I have a command for when a user s

How can I set the Source property of a FFImageLoading.SvgCachedImage from a Dynamic Resource in a Xamarin C# view?

Here is is the XAMLcode I am currently using: <ffimageloadingsvg:SvgCachedImage Source="{DynamicResource GearIcon}" /> GearIcon is set to "Test.Resource

Xamarin TabbedPage Specified Cast is not valid

I have a TabBar in my AppShell which has five tabs. Three of these tabs are ContentPages whereas the other two are TabbedPages. All three tabs with ContentPages

com.apple.AuthenticationServices.Authorization Error Code 1000

I receive the following error in DidCompleteWitherror: com.apple.AuthenticationServices.Authorization Error Code 1000 I'm using the following code to sign in

Xamarin app crashes with The type initializer for 'System.Text.Json.JsonSerializer' threw an exception after SignalR install

After adding SignalR client to my Xamarin Forms app, it started crashing shortly after launching. The error I get is: System.InvalidOperationException Message=E