Write custom Palm OS Cobalt applications for business, communications, entertainment, and other uses with help from the step-by-step guide. Following a start-to-finish sample application, you'll learn to work in the Palm OS Developer Suite to build programs that run on all Palm OS devices, including the palmOne Treo, Tungsten, and Zire models, Sony CLIAes, the Fossil Wrist PDA, and many others. Create user interface elements such as buttons and scroll bars, develop databases, and much more. Plus, you'll learn to test your applications and apply the tricks and techniques used by professional programmers.