await HttpClient.PostAsync() reports System.NullReference but...
Hi all, in my app I need to check if user is logged in. We are using Oath2 and I only want to check if refresh token is valid. I do this in OnStart method. I have simplified the code a bit but the...
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Consume native android library in Xamarin Forms that is UI element
I'm attempting to create and consumable native android library for in my Xamarin.Forms project, native lib is here: https://github.com/florent37/DiagonalLayout I've created the binding library project...
View ArticleUpdated VS Mac and it broke Xamarin.iOS VS 2017 for Windows
I recently updated both VS 2017 and VS for Mac and now VS for Windows says that there is a mismatched Xamarin.iOS version and I can no longer build my projects. VS Win is Xamarin.iOS 12.4 VS Mac is...
View ArticleSetting Icon File Names as Resources
I was trying to get all of my icon file definitions in one place so that it would be easy to swap icon sets in the future. Since I use XAML for my page definitions, I thought I'd make a...
View ArticleI worked with Xamarin for 1 week. Here's my story.
Hello all who's reading! This is gonna be a cry out from my experience with Xamarin for the last few days. If you're looking for a Q/A post, then move along. , From reading around everyone is praising...
View ArticleIs it possible to increse the height of a progressbar?
Im sure it should be using a custom renderer, I already know how to change the progress color and the track color. However, I need the bar to look bigger and not jusst a small line, is there a way to...
View ArticleVS 2019 Windows -> VS Mac 2017
Has anyone else tried to use VS 2017 Window connecting to VS 2017 Mac? I keep getting a Xamarin.iOS version mismatch when trying to connect to my Mac. I don't want to install VS 2019 on my Windows...
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Split Page Diagonally
Hi looking at information to do something like the below but with an image: Basically I want split diagonally with an image/media one side and some text the other side. As a note I'm using a tablet...
View ArticlePlease select a valid device before running the application
Hi guys, I have the following problem. Visual Studio 2017 regularly connects to the device in a remote host, but the device list is not loaded for testing. At the component level I have Windows Machine...
View ArticleUhro Sharp, Stability? Launching it from another application via Form/Content...
Hi, Does anyone have any experience launching UhroSharp in a Form or Content View? We are considering using it for a project where a hub app would launch our game. Does UhroSharp seam like a viable...
View ArticleHandling Unhandled exception for Android still crashes app?
I have in MainActivity handling undhandled exceptions as below but even though doing this causing app to crash. Is there a way to handle that app is not crashing? protected override void...
View ArticleCold Boot: Different AVD configuration
i just installed Visual Studio, Everything works well. But when I tried to debug my sample Android project using the VS2017 Android_Accelerated_x86_Oreo Emulator it gives me error: 1. Cold Boot:...
View ArticleCold Boot: Different AVD configuration
i just installed Visual Studio, Everything works well. But when I tried to debug my sample Android project using the VS2017 Android_Accelerated_x86_Oreo Emulator it gives me error: 1. Cold Boot:...
View ArticleHow To Make a Unity Vuforia Project Work Inside a Xamarin.Android App
I was able to make my Unity Vuforia project run inside a Xamarin.Android app. Since I spent a couple days to get it working properly and many people here have had problems with this in the past I...
View ArticleHow can I implement angular in my app?
Good afternoon, I don't know if this question is in the forum, my apologies if it is. I'm making a hybrid app with Xamarin Forms, but I need apply AngularJs code, 'cause my app needs reuse some html...
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Collapsible Toolbar in Forms application?
Hi! I've googled a lot of different resources and basicaly found no answer to my question which is: is it possible to create this using Xamarin Forms? I can achieve changing the color of the ToolBar to...
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