Category: win8dev

all my win8dev posts

How to add and consume an AppService to your UWP app (complete walkthrough)

One of the very cool and helpful new features Microsoft added for UWP apps are AppServices. AppServices allow your application to provide functionality to other applications without even being launched. This post shows how to add and consume an AppService. Creating the AppService An AppService is a background task that is hosted by your application. […]


How to add Microsoft Application Insights v1 to your Windows 8.1 Universal app

Late in 2014, Microsoft finally started Application Insights (AI), their own telemetry service for all kind of apps. For Windows (Phone) 8.1 apps, the service was a long running beta. This month, Microsoft finally released version 1.0 of Application Insights for Windows apps. However, if you are upgrading from a previous version, you will see […]


Helper class to easily display local toast notifications (Windows Universal app)

Often , we need to display a confirmation that some action in our app has been finished (like some data has been updated etc.). There are several ways of doing this, like displaying a MessageBox or MessageDialog. This however breaks the user interaction, and a lot of users will start complaining on that if your […]


How to easily check the pressed keyboard button with a converted event using MVVM (Windows Universal)

In case you missed it, I lately am deeply diving into MVVM. Earlier today, I wanted to implement the well loved feature that a search is performed by pressing the Enter button. Of course, this would be very easy to achieve in code behind using the KeyUpEvent (or the KeyDownEvent, if you prefer). However, in […]


How to capture a photo in your Windows Phone 8.1 Runtime app – Part III: capturing and saving the photo

This is the third and last post of this series. In the first two posts I showed you how to start the preview of MediaCapture and some modifications we can apply to it. In this post, we are finally capturing and saving the photo – including the modifications we made before. The easiest way – […]


How to capture a photo in your Windows Phone 8.1 Runtime app-Part II: some common modifications

Like promised in my first post about photo capturing, I will provide some common modification scenarios when using the MediaCapture API. This is what this post is about. Choosing a camera If you read my first post, you probably remember that the MediaCapture API automatically selected the front camera of my Lumia 1020. Like often, […]