Symbian OS C++ for Mobile Phones Programming with Extended Functionality and Advanced Features
Less than eighteen months have passed since the appearance of the first volume of Symbian OS C++ for Mobile Phones. These eighteen months have seen giant strides of progress for the Symbian ecosystem. In 2003 alone, the number of commercially available add-on applications for Symbian OS phones tripled. In the fourth quarter of that year, an unprecedented number of distinct new Symbian OS phone models – eight – reached the market. And in December of that year, for the first time, over a million phones running Symbian OS shipped in a single month. Looking ahead, five different 3G Symbian OS phones have recently reached shops around the world, underscoring Symbian’s leadership position for the emerging generation of mobile phones. New licensing deals have been announced with premier companies in Japan, China, Korea and Taiwan, highlighting the global interest in the capabilities of the Symbian ecosystem. Last but not least, the Symbian Enterprise Advisory Council has been formed, in which leading providers of mobile business solutions are actively collaborating to promote the rapid take-up of Symbian OS phones for business use.
The good news for Symbian OS developers is that, despite these dramatic changes, the basics of the Symbian development world remain the same. Applications written to run on Symbian OS phones in 2003 will also run on Symbian OS phones reaching the market in 2004 and 2005, in most cases with very few changes and optimizations (and in many cases with no changes required at all). Symbian OS is written in a style of C++ that holds consistently throughout all levels of the software, and throughout all versions of the operating system. Once you learn the rules, you find they apply far and wide. Symbian OS was deliberately designed to be future-proof – to ‘expect the unexpected’. As the first waves of the 3G future reach us, it is reassuring to see how well the programming framework thrives despite all the changes.
Over the last eighteen months, Symbian’s 500-strong team of in-house software engineers has considerably extended the scope and functionality of Symbian OS. Volume 2 of Symbian OS C++ for Mobile Phones is your chance to boost your own understanding of the resulting prodigious software suite. This book builds on the foundations of its predecessor, covering some of the pivotal features of Symbian OS in more detail, and goes on to describe the key new software features which are now appearing in the latest breakthrough phones.
Symbian provides the platform that enables innovation through openness; developers such as the readers of this book provide the ingenuity and the diverse domain knowledge to create myriad solutions. It is my fervent wish that software which you write, with this book as your guide, becomes dear to millions of users of Symbian OS phones.
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