These are the slides of the talk I gave at Oredev 2009. Topics cover mobile cross platform development with the Dojo Toolkit

1. Mobile cross platform
developent with Dojo
Nikolai Onken - uxebu Consulting Ltd. & Co. KG

2. Hi all

4. Where are we?

9. Phonegap

10. The playing field

11. • Camera, why not us?
• Address book, why not us?
• Native apps, why not us?

12. EventNinja

13. http://www.eventninja.net

15. Prototyping

16. The cloud

17. Google Calendar

20. Extend creatively

21. The architecture of
mobile apps/sites

22. Progressive Enhancement
vs. “Native apps”

23. • Non JavaScript (the crappy phones)
• Fundamental JavaScript (alright)
• High end touch devices

24. Dojo?

25. Performance

26. Direct Impact
• Datavolume (Someone has to pay for it)
• Performance

27. Right Tools needed

28. • Minify and shrink JavaScript
• Build into single or several files
• Inline CSS
• Optimize images

29. Dojos Buildsystem

31. Language tools

32. dojo.declare

33. dojo.behavior

34. dojo.query

35. document.getElement...

36. Code simple!

37. Step back!

38. Semantics?
A short story

40. <ul>
<li>Hi</li>
</ul>

41. <ul>
<li>Hi</li>
</ul>
<ul>
<li><a href=””>Hi</a></li>
</ul>

42. <ul>
<li>Hi</li>
</ul>
<ul>
<li><a href=””>Hi</a></li>
</ul>
<a href=””>Hi</a>

43. Anyone knows IE?

44. Do what your runtime
can do
Not more

45. XMLHttpRequest
Is there something else?

46. JSONP

47. JSON

49. Look ahead

50. Look ahead
But don’t implement
everything

51. Templating

52. Scaling and ppi
Be aware

53. Testing

54. The browser is your
friend
Really

55. Hmmmm, alert(“Hi”);

56. Automate

57. Share your knowledge

58. @nonken | @uxebu | @dojo | @dojocampus