Software Design Doesn't Matter

Sort algorithms, data structures, and design patterns don't mean a thing to your users. Beautiful applications that delight and impress win.

Transcript

1. Software Design Doesn’t Matter iPadDevCamp 2 Chicago 2010
2. Whatcha talkin bout Willis?
3. Software Design Doesn’t Matter
4. Software design
5. Software design Data structures (red-black tree)
6. Software design Algorithms
7. Software design • Data models • Design patterns • Language choice, library choice • Anything related to “code smells” • Nearly everything on TheDailyWTF
8. What matters?
9. What matters? TripLog 1040
10. What matters? TripLog 1040 Trip Cubby
11. What matters? • Running software • That meets its users’ needs • And delights them
12. What matters?
13. What matters? Monkey Preschool Lunchbox
14. Delight
15. Delight • Match the user’s mental model • Metaphors • Easy to approach • Encourages exploration
16. Delight
17. Delight • Efficient workflow • Ignore number of taps • Just don’t make me think!
18. Delight
19. Delight
20. Delight Apple does an amazing job producing software that is fun to interact with, but from a usability perspective much of it is atrocious... mired in confusing interfaces requiring a high number of clicks to achieve any goal...” RJ Owen “
21. Delight Failing on the iPhone is more enjoyable than succeeding on a Blackberry. RJ Owen
22. Software design matters
23. Software design matters Case study: NetNewsWire ...when it improves the user’s experience
24. Software design matters ...when it gives you a competitive advantage
25. The interface is the application
26. SCREEN-DRIVEN DEVELOPMENT
27. Now what? • Craig Hockenberry • “iPhone is not a frickin miniature laptop” (video) • http://bit.ly/bddcOy • Steve Krug • Don’t make me think • http://amzn.to/aPaJ3d • Indi Young • Mental models • http://bit.ly/asB8Tn
29. Credits • Comics courtesy of http://xkcd.com/ • Red-black tree by torkristensen • http://flic.kr/p/e2Qj7 • Steve Jobs Moses by Photo Giddy • http://flic.kr/p/7y5Gd8 • RJ Owen quotes • “The Differences between Usability and User Experience”, http://bit.ly/bdJPFO