This book covers the fundamental aspects of C++ on Symbian OS, using simple and straightforward explanations to help you write effective code for Symbian OS smartphones. Key technologies covered include: client-server architecture descriptors and dynamic containers active objects, threads and processes leaves, cleanup stack and 2-phase construction thin templates, good API design, memory optimization, debug and test macros the ECOM plug-in framework Using example code and descriptions of best practice to deconstruct Symbian OS, each section guides you to what you should and should not do, giving cleasr explanations and pointing out commonly-made mistakes along the way. Symbian OS Explained can be read cover-to-cover or dipped into as a reference that will improve your code style when programming with Symbian OS. Source code is available from www.symbian.com/books Symbian OS Explained is part of the Symbian Press series. Written by Symbian OS software engineers, titles in the series are replete with expert knowledge that will allow the reader to develop better software, faster.