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Windows Phone 7.5 devices can have both back and front cameras. Matt Stroshane introduces the camera APIs and associated capabilities and discusses a few ways you can use a camera in your next Windows Phone 7.5 app.

Spend time up front designing your app, Mark Hopkins advises, and you’ll save time in the coding process and reap rewards in the Windows Phone Marketplace.

Your first Windows Phone application should be interesting, but not so complex you’ll get bogged down. Jesse Liberty walks you through a simple yet handy application that touches on many aspects of building good-looking and useful XAML-based Windows Phone applications.

As readers of this magazine, you are all experts at certain facets of software development, be it for the desktop, the web, SQL Server and now mobile platforms. Mobile programming was a fairly arcane development arena up until the recent announcement of Windows Phone 7 (WP7). Prior to WP7, you had to become intimately familiar with the myriad platforms and form factors available and write your programs to each of those phones. With the advent of WP7, Microsoft is now controlling the hardware capabilities of the phone making it much easier to develop for these platforms. You can now also leverage existing skills in Silverlight and XNA to write your apps. But the question always remains: how do I get started and what is the best way to write for the new WP7? In a previous article, Jan/Feb 2011, I showed you what to do to get started; now I want to show you the best way to apply what you have learned in that article. I will use Silverlight, the Model-View-ViewModel (MVVM) pattern, and Silverlight Unit testing to build a sample app.

This is a port of Invasion (originally posted on CodeProject by Mauricio Ritter) to Windows Phone 7 (with some enhancements).

While the initial release of Windows Phone included only one camera API, that deficiency has been corrected with two new sets of APIs that Charles uses to have some fun with video.

This article walks you through creating an application that uses three of the big new Windows Phone 7.1 features: local databases, live tiles and Silverlight/XNA integration. The theme of the application is mangoes—with mango recipes, mango cocktails and a mango shooter game.

Charles turns to the horror genre in celebration of Halloween as he improves his e-book reader with the addition of “a whole bunch of dialog boxes” to aid in navigation and enhance user interaction.

Smart phones are constantly evolving to fit your mobile lifestyle. Most modern phones function as full featured music and video players. Windows Phone 7 follows the path blazed by other smart phones, but adds its own twist. Your musical life on this device revolves around the Music + Videos hub. This article contains details on how to interact with the Music hub from your application.

Build Your First Windows Phone 7 Silverlight Application