Adventures with DelayedAction (C#)
Today I worked on a project and found a piece of code, that left me wondering what the one who wrote it was actually thinking this should do. I know what the...
What’s wrong with those ObservableCollections and Threading?
When you are developing Apps with Xamarin.Forms you probably used ObservableCollections more than once. That’s pretty neat, because an ObservableCollection notifies the View on any changes that occur, so you don’t have...
Using async/await in an IValueConverter in Xamarin.Forms
Let’s start out with a very simple Setting – we have the following Models:Product+ Id : string+ Name: string+ Image: Image Image+ Id: string+ Filename: string In our service layer, we have...
Creating a Flyout in Xamarin.Forms
Flyouts are a pretty neat control, first introduced in Windows UWP, but there is nothing close in Xamarin.Forms which can be used on all platforms. So I decided to create one. What...
How to find the root Page of a specific Control in Xamarin.Forms
Actually it’s very easy to achieve this. Just traverse the visual tree upwards to find the root. This does what we intended to do, but… we can do better than that!Maybe we...
Supported Linq query expressions in Realm
Sooner or later, you’ll come to the point, that you don’t only want to get objects by Id or the whole set of objects of a specific type in Realm. The easiest,...
User Access Management in Realm
As I already stated before, I love Realm.io. It’s a pretty cool object oriented database, with a very mighty synchronization mechanism, that helps you build mobile apps just right out of the...
Using Realm Notifications in .Net
There is a documentation on Realm.io, that describes how to hook up on a ROS (Realm Object Server) to observe changes on specific Realms, RealmObjects or whole instances. So there is no...
Performance of loading Xaml dynamically in Xamarin.Forms
As I mentioned in a previous post, you can quite easily load Xaml dynamically in your Xamarin.Forms App. But how about performance? How long does it take in comparison to “regular” loading...
Never ever use Task.Result in Xamarin.Forms! Why?
I recently stumbled over a deadlock in our code. Someone called a method, that returned a Task, and instead of awaiting it, he called: I reason for this code was just plain...