Presentation from NLUUG's Het Open Web 2009.

1. Location-aware applications with GeoClue

2. Henri Bergius http://bergie.iki.fi

3. Location matters Your software knows who you are, what time it is, who you know and what you're doing. But it doesn't know where it is.

4. Open mobile devices

5. Mobile device manufacturers are pushing location awareness iPhone, Android, N97, ...

6. Location comes in many flavors

7. GPS

8. GSM

9. WiFi

10. IP address

11. Proximity

12. User tracking

13. ...and that is not all

14. 52.0243759 5.671305656

15. 52° 1' 27.753" 5° 40' 16.7016"

16. Bennekomseweg 24 Ede, the Netherlands

17. GeoClue A D-BUS service that applications can use to become geo-aware. Makes reading and writing geographical information as simple and easy as time or date.

18. GeoClue as simple and easy as time or date. ...regardless of whether you deal with coordinates or civic location

19. Using location on the Web

20. How many times have you had to enter your location to a public transport route planner?

21. W3C geolocation API Easy JavaScript call to get user's location, accuracy depends on implementation http://dev.w3.org/geo/api/spec-source.html

23. iPhone

24. Fennec

25. Google Gears

26. ...but not N900 / Maemo Browser

28. Query data based on proximity

29. Map visualization, editing

30. Or use a GeoCMS www.midgard-project.org

31. Magic Ink http://worrydream.com/MagicInk

32. Examples on the desktop applications using GeoClue and location

33. EOG Map plugin: where was this picture taken?

34. F-Spot plugin: where were these pictures taken?

35. Telepathy: Where are my friends? Information available across the desktop through dbus

36. GNOME panel clock

37. GeoRSS2POI

38. OpenStreetMap-based vector navigation

39. Some things to take from here

40. Some things to take from here Location can make your app smarter

41. Some things to take from here Location > Google Maps

42. Some things to take from here Location != language (always)

43. Some things to take from here Location is not difficult

44. Some things to take from here You can make your own map visualizations with OpenStreetMaps

45. Some things to take from here If you develop mobile Linux applications, GeoClue is there for you http://geoclue.freedesktop.org/