Common Design Patterns for Symbian OS / Symbian Press (PDF)

Common Design Patterns for Symbian OS is the first design
patterns book that addresses Symbian OS specifically. It introduces
programmers to the common design patterns that help implement a
large variety of applications and services on Symbian OS. The goal
of the book is to provide the experience of Symbian's developers to
a wider audience and enable sophisticated programs to be quickly
written and to a high standard. In order to do this, it:

* Provides patterns based on the Symbian OS architectural
elements

* Describes how patterns suited for non-mobile software should be
adapted or even avoided for Symbian OS

* Provides Symbian OS based examples and code illustrations

Each chapter covers patterns that address specific key concern
experienced by developers: memory performance, time performance,
power performance, security and responsiveness.

This book is not specific to any particular version of Symbian
OS. While individual examples may come from one version or another
the patterns outlined in this book are intended to be more generic
and based on the common functionality available in all releases.
Where possible the examples given for the design patterns will
directly reflect the software in Symbian OS.

Common Design Patterns for Symbian OS is intended to be
used in conjunction with one or more SDKs for specific Symbian OS
phones and with the resources available at the Symbian DevNet web
site. This facility will provide the background material needed to
help understand the patterns and the examples accompanying
them.