1. Objective-C and iOSfor .NET Developers Eduardo Scoz Chicago ALT.NET Sept 2011

3. .NET Developer for 5-6 years

4. iOS Developer for the last 2 years

5. Obj-C exclusively for 4 months

6. http://escoz.com

8. So, what is it like? After 6 months

10. Really productive

11. Easy to make good stuff fast

12. NS objects get a while to get used to

14. Old language, learn to accept it

15. Brackets everywhere

16. You’ll go crazy for a few weeks

17. Once you’re over it, development is just like C#

19. IDE Helps you very little

20. poor code navigation

21. poor refactoring

22. Good to manage project, NIBs and CoreData mappings

24. uses it to create NeXTStepApple acquires NeXT in '96 and builds OSX

26. No namespaces!

27. Global functions and variables!

28. Obj-C functions are built in C

30. Class methods, instance methods

31. No private methods, no class variables

32. Brackets, brackets, brackets!

33. Alloc/initvs Constructors

34. “id” is a pointer to any Obj-C objectDemo

36. Extremely simple Reflection

37. Slower than C++, but still really fastMessages can be executed in a different thread Messages can be forwarded to other objects Method swizzling – change implementations at runtime

39. Convention allows dot notation - KVCBlocks == lambda expressions NSPredicates ~= LINQ, but ugly

43. [obj release]

45. smart compiler can do exactly what you would do manually

47. CoreAudio, Quartz2D, OpenGL, Address Book

48. Core Location, MapKit, StoreKit, Bonjour, WebKit

50. Handling user input

51. High level components, like tables, entry fields etc

52. Orientation, rotationMVC-based framework to deal with UI Demo NIBs - WYSIWYG Editor Demo

57. JSONKit

58. RestKit- great way of accessing RESTfulservices