1. Symbian Operating System Application programming interfaces Lappeenranta University of Technology Department of Information Technology Lappeenranta, Finland 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 aren’t 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?