Far Sight 071117 Sym Bian 02

Symbian OS ArchitectureLance Li Technical ConsultantCopyright 2007 Symbian Software Ltd. Page: 1

AudienceOperating System Knowledge Design patterns Concept Some Programming Experience Need S60 / UIQ Programming Experiences ? No

Copyright 2007 Symbian Software Ltd.

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AgendaOverview Layers Kernel Design Patterns Summary


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OverviewHistory1998 -Symbian was formed by Psion, Nokia, Ericsson and Motorola. First Symbian phone was released in 2000Ericsson R380

2.5G phone released early 2002Nokia 7650

3G phone released in December 20023G FOMA F2051 from Fujitsu

EKA2 was announced in 2004 Security Platform was introduced in 2005 on v9


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Overview (continued)Development LanguagesC++ Java Flash Lite Python, Ruby OPL PIPS


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Overview (continued)Symbian C++Leaves Cleanup Descriptors Active Object


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Overview (continued)Versionsv6.0, v6.1,v7.0, v7.0s, v8.0, v8.1a, v8.1b, v9.1!v9.5

True Micro-KernelUser Mode & Kernel Mode Only a minimal parts of system runs as kernel mode Real-Time OS


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Overview (continued)FeaturesGUI Telephony Multimedia Messaging Networking Short link (USB, Bluetooth, IR) Security


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LayersLayers Design Patterns C++ Component Based DLL


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Layers (Continued)Series 60/80 UIQ FOMA TechView

20% EngineContacts Messaging Browsing Agenda Office

20%JavaMIDP Messaging XVM/Personal Java Java Phone

Middleware

POP3 IMAP4 Fax MMSSMS

Application FrameworkHTTP WAP GUI framework

CommsTCP IP

>55%Text Graphics Telephony GSM GPRS CDMA

Personal AreaBlueTooth

Security Networking MultimediaImage cryptography Video File Server Kernel Process Kernel ExecPage: 12

IR USB

Certificate management Lib

Sound

s/w install User Device Drivers

Base

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Far Sight 071117 Sym Bian 02

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