Symbian Operating System - PowerPoint PPT Presentation

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Symbian Operating System

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Title: Symbian Operating System Author: Alexander Kanavin Last modified by: kanavin Created Date: 11/4/2003 3:18:46 PM Document presentation format – PowerPoint PPT presentation

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Title: Symbian Operating System


1
Symbian Operating System
Lappeenranta University of TechnologyDepartment
of Information TechnologyLappeenranta, FinlandĀ 
  • Application programming interfaces

Author Alexander Kanavin Supervisors Antti
Sorvari (Nokia), Jan Voracek (LUT)
Lappeenranta, April 2003
2
Main diagram
3
Base
  • Class libraries for strings, arrays, lists, error
    handling, integers and real numbers
  • Threads, processes and memory
  • C library or C library arent used

4
Security
  • Cryptographic algorithms
  • Certificate management
  • Application installer

5
Graphics
  • APIs for drawing to screens and printers
  • Font and bitmap handling
  • Animation API

6
Application Framework
  • Contains frameworks that define applicaion
    structure and basic user interface handling
  • Text layout
  • User interface controls

7
Engines and utilities
  • Application Engines Contacts, Agenda
  • Multimedia audio and image manipulation
  • Application services various, logging, system
    information
  • Application protocols SyncML, HTTP

8
Communications
  • Comms infrastructure Infrared, Bluetooth, Serial
    Comms
  • Networking TCP/IP, dial-up
  • Telephony
  • Messaging
  • WAP stack

9
Writing applications
  • SDK emulator, libraries and target compiler
  • Subset of C
  • IDEs Microsoft, Borland, Metrowerks
  • Future higher-level languages

10
Writing applications personal experience
  • C
  • Full IDE services debugging etc
  • Difficulty of testing on real devices
  • Fast applications, small memory footprint

11
Questions?
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