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Symbian OS.

Symbian OS. Topics. Introduction Architecture Controls and compound controls Active Objects Localization Security Future Scope. Introduction. Nokia’s mobile operating system Open source Extension of EPOC Target Platforms (x86 and ARM) RISC processors Designed in C++

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Symbian OS.

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  1. Symbian OS.

  2. Topics • Introduction • Architecture • Controls and compound controls • Active Objects • Localization • Security • Future Scope

  3. Introduction • Nokia’s mobile operating system • Open source • Extension of EPOC • Target Platforms (x86 and ARM) RISC processors • Designed in C++ • Licensed under EPL • True Microkernel OS • Standards – S60, UIQ, MOAP

  4. Features • Support for vast variety of languages like • Perl • Python • J2ME • VB • OPL • Designed Keeping These factors in mind • Integrity and security of User data • Faster response time • All resources are scarce • Event based • Active Objects • Observer Design Pattern

  5. Architecture

  6. Active Objects • Callback mechanism • Cooperative Multitasking • Use of asynchronous requests. • Threading • Active Scheduler • Multitasking in a same thread • Possible to perform preemptive multitasking.

  7. Security • Certificates • Capabilities • Symbian Signed is the way ! • .sis and .sisx • Firmware editor

  8. Controls and Compound Controls • Textboxes • Labels • Buttons • Toolsbars

  9. Future Scope

  10. Questions ?

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