Signing your mobile application is a critical precursor to distribution. Here’s a handy reference to application signing for today’s mobile platforms.

Apple has lifted its NDA and developers are now free to talk about developing for the iPhone. In this first article of this "Inside the iPhone" series, you'll get familiar with the SDK by building a simple application and get a preliminary taste of what it's like to work with the mysterious Object-C.

In order to deploy your application on Android devices (and on the Android Market), you need to sign it. Luckily, you can generate your own certificate and use it to sign your application. Find out how the process works.

Though GPS functionality has become hugely popular, it doesn't work indoors and not all devices have built-in GPS receivers. How do you get around this? Learn how to find and use CellID to locate your device and use Google maps to display it.

When you think of SMS messaging, you probably think about your mobile device. But what if you could SMS someone from the comfort of your own desktop? This article shows you two messaging applications: One application to write the messages on your desktop and one application to send the messages from your device.

Google’s Android allows developers a great deal of access to the phone. Enable your applications to communicate with the outside world using SMS messages.

In the next installment of this Android series, you'll learn how to incorporate GPS and Google Maps into your Android application, so your users can see where they are, all the time.

Not-quite-with-it adults solicit advice of teenagers at San Francisco's CTIA conference.

In a continuing exploration of Android, this article will show you how to incorporate Google Maps in your Android application.

While the latest version of the Android SDK contains many new bells and whistles, it also contains some breaking changes. This series helps you explore the new SDK, starting with this introductory tutorial.

Find out how to take your basic web development skills and build a mobile J2ME application.

Although the Compact Framework is roughly one-third the size of the regular .NET Framework, it provides all of the requisite functionality to create powerful mobile applications.

Learn about the security provisioning of Windows Mobile devices and how you can provision your own Windows Mobile device using the Device Security Manager (included with Visual Studio 2008).

SMS messaging may have it's drawbacks, but it's benefits make it a viable solution for many of today's enteprise applications. This article uses a sample hospital application to show you how to integrate SMS messaging using the .NET Compact Framework.

The latest versions of the Windows Mobile 6 Professional and Standard SDKs allow you to test phone and SMS functionalities using the built-in Cellular Emulator—without needing to use a physical device.

Java ME user interfaces are about to get an exciting boost with the early release of a new library and tool from Sun called LWUIT.

Learn about the three methods of persisting data and which is the right one for your device.

When workers aren't always connected, Occasionally Connected Systems (OCS) can help. Find out how Visual Studio 8's Sync Services for ADO.NET enables OCS, synchronizing databases between different devices and computers.

Explore the various options available on the .NET Compact Framework that allow your apps to connect with the outside world.

With their Windows Mobile 6.1 release, Microsoft attempts to keep their position in an increasingly competitive market. Find out how these new improvements can benefit you.