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Symbian OS. PowerPoint Presentation
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Symbian OS.

Symbian OS.

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Symbian OS.

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Presentation Transcript

  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 ?