Author Archives: Jani Nevalainen

About Jani Nevalainen

Windows developer who's been working on Microsoft Platforms since 1996. Windows Phone dev MVP 2013, Windows Development Platform MVP 2014. Currently working as Technical Evangelist for Microsoft Finland Developer Experience team.

Using Cognitive Services with Xamarin Forms

ShareI did a talk at DotNext conference about this and thought I share the demo here as well. In this demo we’ll create simple Xamarin Forms app for Android and UWP, camera and add the Cognitive Services Emotion and Computer … Continue reading

Posted in Cognitive Services, Universal Apps, UWP, Xamarin | Leave a comment

Connect SensorTag CC2650 to Azure IOT Hub

ShareI needed to create a demo showing the most simple way to get some sensor data to IOT Hub and I thought sharing the code might be helpful to someone else as well. This app is divided to two parts, … Continue reading

Posted in Azure, Universal Apps, UWP, Windows 10 | 1 Comment

Add Windows Hello -sign in to your app

ShareWith Windows 10 you have option to use Biometric methods to login, but it looks like there is quite little documentation how to implement it. Another thing is that people confuse Windows Hello to authentication framework which it’s not, even … Continue reading

Posted in Universal Apps | 5 Comments

Figuring out your if your app is run on Phone, Tablet or Desktop

ShareOne would think that it’s easy to figure out the answer to header above. If you’ve ever tried that, I think you most likely have become extremely frustrated when you realized that there are just too many combinations and it … Continue reading

Posted in Universal Apps, UWP, Windows 10, Windows Phone | 1 Comment

How I do Hamburger menu on SplitView, quick and dirty

ShareI wanted to do a nice hamburger menu on my app, but it seems that all the samples found are doing it in different way compared how the default apps on Windows 10 seem to implement it. I don’t want … Continue reading

Posted in Universal Apps | Leave a comment

How to make a Windows Store game with C# and XAML, part 5

ShareIn this mini post we’ll be finally adding some sounds to our game. You will need to have some sound effects added to your Assets -folder. You need one for laser shooting and one for enemy hit sound. One place … Continue reading

Posted in AudioGraph, Sound, Universal Apps, UWP, Windows 10, Windows Phone | Leave a comment

How to make a Windows Store game with C# and XAML, part 4

ShareAfter long pause, here’s the next edition of XAML gaming series. If you are serious game developer, you should check out some of the gaming frameworks, such as Unity or Cocos2D. You could also be interested in Win2D library if … Continue reading

Posted in Universal Apps, Windows 10 | Tagged , , , , | 8 Comments

Windows 10 resources

ShareThere’s been quite many people asking me Windows 10 development questions and how to do certain things in new UWP apps. Obvious answer would have been lmgtfy.com or letmebingthatforyou.com but instead I decided to just put up my own list … Continue reading

Posted in Universal Apps | 1 Comment

How to make a Windows Store game with C# and XAML, part 3

ShareMoving the ship When we’re doing a universal app, we have to take in account that there are several possible ways for users to control the game. Phones and tablets have touch screens, but on desktop still most of us … Continue reading

Posted in Universal Apps, Windows Phone 8.1 | Tagged | 16 Comments

How to make a Windows Store game with C# and XAML, part 2

ShareCreating the game field and player On previous parts we set up the project and created a nice start screen. But game needs more than just the start screen. On this post we’ll create a game screen, enable navigation to … Continue reading

Posted in Universal Apps, Windows Phone 8.1 | Tagged | 10 Comments

How to make a Windows Store game with C# and XAML, part 1

ShareI believe that games are still one of the most fun ways to get to know a new programming language. As there’s currently shortage of beginner level game programming tutorials for Universal Apps, I thought I’d share you how I … Continue reading

Posted in Universal Apps, Windows Phone 8.1 | 8 Comments

Taking high res photos with Windows Phone 8.1

ShareThere was previously no access to high res resolutions on the camera, but you had to know which model supports which high resolution. Now with the universal apps, you can actually get the all supported resolutions from the camera easily, … Continue reading

Posted in Universal Apps, Windows Phone 8.1 | Tagged , | 3 Comments

Windows Phone 8.1 camera orientation

ShareUpdate: The code was missing global bool variable to check if we’re using the front camera, added to code Using the cameras of Windows Phone 8.1 live viewfinder in Universal apps can be a bit of a challenge. The behavior … Continue reading

Posted in Universal Apps, Windows Phone 8.1 | Tagged , , | 15 Comments

Format your date in Universal app according to user preferences

ShareWith the new Universal app model, many things have changed, and there’s very little documentation available to find out how you need to address certain things in the new app model. One of those things is formatting your date according … Continue reading

Posted in Universal Apps, Windows Phone, Windows Phone 8.1 | Tagged , , , | 1 Comment

How to call your app

ShareWith yesterdays announcements at BUILD, there were some new terms introduced along with the new app models. I thought they were a bit mouthful, so I decided to draw this small chart to help you easily figure out what is … Continue reading

Posted in Universal Apps, Windows Phone, Windows Phone 8.1 | Tagged | Leave a comment

What there is and what there might be

ShareAs there is no one good public source for Windows Phone chassis specs, I decided to put together a small table which will list the things all Windows Phones have common and what are the optional things devs need to … Continue reading

Posted in Windows Phone, Windows Phone 8 | Tagged , , , , , , | Leave a comment

Windows Phone Development MVP

ShareYesterday I got an email from MVP Awards with the information that I’ve received the Most Valuable Professional -award from Microsoft for my Windows Phone community activities. With a quick check it seems I’m the first in Finland and in … Continue reading

Posted in Uncategorized | Leave a comment

Windows Phone 8 and the music resume -rules in the marketplace

ShareSeems that this old issue is still causing some scratching of head among the devs, how to implement this properly in Windows Phone. This has changed a bit from WP7, and the rule has been updated (6.5.1. & 6.5.3) to … Continue reading

Posted in Windows Phone, Windows Phone 8 | Tagged , , | Leave a comment

Windows Phone 8 Kernel Architecture

ShareOkay, there has to be a good descriptive picture the WP8 kernel, as it has been a huge advertisement point for the whole unified model for Windows and Windows Phone. Or that’s what I thought, until I tried to find … Continue reading

Posted in Windows Phone, Windows Phone 8 | Tagged , | 1 Comment

Windows Phone 8, let’s get the party started!

ShareFinally the SDK is out and we can talk about all the great stuff that the SDK brings to us. There are some big changes with unified programming model, but also some differences, like HTML5/JScript not being there as a … Continue reading

Posted in Windows Phone | Leave a comment