Savvy developers embracing mobile business apps have two big things to set their sights on: web-based cloud computing and related appliance-like devices.

Learn how to communicate with a server using TCP/IP and how to build a simple chat application.

Learn how to communicate with a server using TCP/IP and also how to build a simple chat application.

Take advantage of the latest BlackBerry features by adding video recording capabilities to your applications.

Find out the various ways you can call web services and parse responses from your iPhone applications to give your applications a huge range of data sources.

Find out how to use the flexible iPhone Table View, which does double duty to display data in a table or a list, both with and without graphics.

Knowing where a device is opens the door to all kinds of innovative applications—and the iPhone's Core Location framework makes discovering location simple.

Find out how to use view controllers to handle switching views, animating transitions between views, and passing data between views.

Learn all the major touch programming features supported through the BlackBerry JDE API. Along the way, you will see Java code snippets that demonstrate how to program these features.

JavaFX 1.1, a powerful tool for building rich UIs across a multitude of clients, provides mobile emulation for developing JavaFX Mobile applications. Get a beginner's guide to JavaFX Mobile development.

Although Android ships with several useful content providers, you can easily extend it and build your own.

Testing your Windows Mobile app just got a lot easier! Learn how to set up both Windows Mobile 6 Professional and Standard emulators and work with the Cellular Emulator.

Though Objective-C's most popular use is for development on the Mac OS X and iPhone platforms, this object-oriented language can be used on many Linux, Unix, and Windows systems.

Every application uses data, and Android applications are no exception. Android uses the open-source, stand-alone SQL database, SQLite. Learn how to create and manipulate a SQLite database for your Android app.

Even though users take device landscape changes for granted, these changes remain challenging for developers to program. This article outlines a few tricks that will save you time when programming for an Android device.

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 Android device and use Google maps to display it.

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 WinMo device and use Google maps to display it.