Profile cover photo
Profile photo
Johan Karlsson
44 followers
44 followers
About
Posts

Post has attachment
Visual Studio for Mac installer crashes
There are some reports of VS for Mac crashing during install. I got to experience this first hand this weekend. The solution for me was to fire up the terminal and run the installer using sudo. Step 1 Given that you have the installer image mounted and a te...
Add a comment...

Post has attachment
Android 8 and condition `ji' not met
A quick tips/workaround. I'm sure Xamarin will address this issue shortly. Problem The app crashes on start up on Android 8 with the error message [] * Assertion at /Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mono/mini/min...
Add a comment...

I have a customer who lost control of their android app since it was developed by a third party consultant that is no longer available.

Any tips for how they can reclaim their app? Just knowing what account a specific app belongs to would help? Is there anyway to contact Google regarding this?

Any tips are welcome! :)
Add a comment...

Post has attachment
WebView blank in Xamarin Forms on UWP
TLDR; If you are hooking up events for a Xamarin Forms WebView, wrap the hooking up in a Device.BeginInvokeOnMainThread if you experience a blank WebView. I've seen this issue mostly on UWP.     public  MyView( )     {          this .InitializeComponent(); ...
Add a comment...

Post has attachment
Mapping without Automapper
I've tried AutoMapper on numerous occasions and it's a great product. However, my mind seems to work a little bit different so I usually use a little different approach. I want to be able to follow my mappings so what I end up doing is to write the mappers ...
Add a comment...

Post has attachment
RFLCT_Ambiguous when running UWP in release and using Autorest
This is one of those short stories... TLDR; If you get a RFLCT_Ambigous exception in your UWP app in Release configuration on the initialization of the autogenerated service client that Autorest created for you then simply update the Microsoft.NETCore.Unive...
Add a comment...

Post has attachment
Injecting a new root element in a Xamarin Forms Content Page
If you want to insert a new root element on a content page (using Xamarin Forms) you must set the Content to null first before assigning it again. Otherwise touch events will not register (at least not on iOS). For example, add the entire view in an Absolut...
Add a comment...

Post has attachment
Visual Studio grinds to a halt when upgrading a netcore website
This cost me the better part of a day to investigate since I tried everything else but recreating the project. How I messed up I had an ASP.NET Core WebApi project that I simply upgraded to .NET Core 2.0 by changing a line in the configuration from < Target...
Add a comment...

Post has attachment
Popped Pages in Xamarin Forms
This post is long overdue. About a year ago (July 2016) I managed to get some code into Xamarin Forms Core. This code change was necessary in order to make TinyPubSub work correctly. TLDR; If you call Navigation.PopToRoot() in Xamarin Forms and want to know...
Add a comment...

Post has attachment
TinyPubSub makeover - arguments and new super hero publish features
I finally got around to give TinyPubSub a well deserved make over by adding some features that have been requested for a while. The toughest part is to keep it Tiny and not add to much bells and whistles to it. I also got some great help from my friend Dani...
Add a comment...
Wait while more posts are being loaded