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Metro UI is Microsoft's new proposition for designing graphical user interfaces. It is a typography-based design language where content is the primary element of the application. Metro is not about decorating. It is about communicating. After all, communication is the primary aim of any properly...

Microsoft Kinect is a cutting-edge technology and various amazing Windows and XBOX applications are currently under construction. It was an honor for me that I held a presentation in  IT Pro|Dev Connections  annual conference, regarding Natural User Interaction using the official Kinect SDK . The...

Silverlight and Silverlight for Windows Phone offer a great way of simplifying HTTP GET requsts: WebClient  class. WebClient encapsulates the primary logic of HttpWebRequest and HttpWebResponse classes in order to receive GET data. These classes are completely transparent in most common scenarios. All...

I read this great post by Jeff Wilcox yesterday. Jeff has changed his Windows Phone emulator default theme making it identical to a Samsung WP device. He describes the process of changing the default look-and-feel of the emulator and also provides the .png and .psd files he used. Reading that post, I...

After the face detection post , it's time to dive a little deeper in Silverlight Computer Vision. We'll create a simple motion detection application using Silverlight webcam support! You can view a demo of the application in my website. Download the source code too, in order to have a complete...

UPDATE (2/24/2011) : The application is now published in the Windows Phone 7 Marketplace! Download it for free and find it installed under the Games section. I was recently searching for face detection libraries which would work with Windows Phone 7. Browsing CodePlex , I landed on Facelight , a simple...

In my previous blog post, Bing Translator for Windows Phone , I explained how you can develop a simple translation service using Bing's SOAP API. This time, I'll demonstrate how you can develop the same service using Google's REST API. Download the application source code and read the following...

Time for a new Windows Phone tutorial! Today we'll create a simple mobile translator using Bing web services. Our program will load all the available languages and the user will select the desired ones. This tutorial is supposed to be an introduction to using SOAP services, too. I promise that the...

Have you ever tried to take a screenshot of the Windows Phone 7 emulator? It's both difficult and ugly, as the emulator's background remains in the final picture. Do you need some fully-editable Photoshop templates for Windows Phone 7? Do you need to design a panorama or pivot page in Photoshop...

A few days ago, I held a 7-hour presentation and training considering Windows Phone 7. The training took place in Microsoft Innovation Center, Athens. A shorter version was also presented to an academic event in Athens University of Economics and Business. Preparing my slides, I came up with the idea...

Many people ask me why Windows Phone 7 does not allow access to native functionality in order to accomplish common tasks, such as sending SMS and e-mails, via our own applications. Well, you may not have direct access, but the Windows Phone 7 API offers indirect access to almost every common phone feature...

I recently decided to create my new business card. Trying to come up with an innovative design, I thought of Metro UI . Metro UI is used in desktop, Silverlight and, of course, Windows Phone 7 applications. So, why not apply it to a new-style business card? I designed a dark and a white card front, both...

Δεν συνηθίζω να γράφω posts με αναδημοσιεύσεις ή τεχνολογικά νέα, όμως αυτή τη φορά θα κάνω μια εξαίρεση. Αιτία στάθηκαν τα επίσημα αποκαλυπτήρια του Windows Phone 7 από την Microsoft στις 11 Οκτωβρίου. Παραθέτω λοιπόν μία πλήρη λίστα με οτιδήποτε χρειάζεται κανείς προκειμένου να ασχοληθεί με Windows...

Τα Windows Phone 7 developer tools έγιναν επιτέλους διαθέσιμα και, όπως είχα υποσχεθεί, ήρθε το πρώτο tutorial πάνω στην νέα αυτή πλατφόρμα. Σήμερα θα δούμε πώς μπορούμε να φτιάξουμε μια μηχανή αναζήτησης που θα εμφανίζει δεδομένα από το eBay. Μάλιστα, θα χρησιμοποιήσουμε το επίσημο REST service που...

Ξεκίνησα την ενασχόλησή μου με το πολυαναμενόμενο Windows Phone 7 από την πρώτη CTP έκδοση που δημοσιοποίησε η Microsoft στο κοινό των developers. Σε αυτό το blog post θα επιχειρήσω μια σύντομη κριτική προσέγγιση των πλεονεκτημάτων και των μειονεκτημάτων του νέου φορητού λειτουργικού συστήματος από τη...

Η πρώτη CTP έκδοση του Winows Phone 7 είναι γεγονός. Το Windows Phone 7 αποτελεί τον διάδοχο του Windows Mobile και, όπως ήταν αναμενόμενο, ακολουθεί μία νέα σύγχρονη προσέγγιση τόσο στην εμφάνιση και τη χρήση του, όσο στον τρόπο ανάπτυξης εφαρμογών. Όπως έγινε γνωστό, οι πλατφόρμες που θα έχουν στη...