Symbian Operating System

1
Symbian Operating System
Lappeenranta University of TechnologyDepartment
of Information TechnologyLappeenranta, Finland 

• 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?