Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Using View Models for simpler UI

Avatar for DAloG DAloG
September 07, 2016
Programming
1
320

Using View Models for simpler UI

Avatar for DAloG

DAloG

September 07, 2016
Tweet

More Decks by DAloG

See All by DAloG
State normalization (RU)
Avatar for DAloG dalog
0
170
Redux + MQTT
Avatar for DAloG dalog
1
760
От задач к проблемам
Avatar for DAloG dalog
1
240
Unlimited power of Data-Driven UI
Avatar for DAloG dalog
4
620
Data-Driven View Controllers. Tips and Tricks
Avatar for DAloG dalog
5
1.9k
2 years of Redux in iOS. Lessons learned
Avatar for DAloG dalog
0
350
Why unidirectional architecture matter for iOS.
Avatar for DAloG dalog
1
280
Mobile backend without REST
Avatar for DAloG dalog
2
92
Self managed teams 101
Avatar for DAloG dalog
0
130

Other Decks in Programming

See All in Programming
Instrumentsを使用した アプリのパフォーマンス向上方法
Avatar for hinakko hinakko
0
240
Vibe Coding の話をしよう
Avatar for schroneko schroneko
14
3.7k
20250426 GDGoC 合同新歓 - GDGoC のススメ
Avatar for Yoshimura Naoya getty708
0
110
AIコーディングの理想と現実
Avatar for Tomohisa Takaoka tomohisa
35
37k
The Missing Link in Angular’s Signal Story: Resource API and httpResource
Avatar for Manfred Steyer manfredsteyer
PRO
0
140
Thank you <💅>, What's the Next?
Avatar for Hayashibara Yuto ahoxa
1
590
七輪ライブラリー: Claude AI で作る Next.js アプリ
Avatar for suneo3476 suneo3476
1
180
Bedrock×MCPで社内ブログ執筆文化を育てたい！
Avatar for Har1101 har1101
7
1.4k
Optimizing JRuby 10
Avatar for headius headius
0
580
Golangci-lint v2爆誕: 君たちはどうすべきか
Avatar for logica / Takuto Nagami logica0419
1
230
Deoptimization: How YJIT Speeds Up Ruby by Slowing Down / RubyKaigi 2025
Avatar for Takashi Kokubun k0kubun
2
1.9k
今話題のMCPサーバーをFastAPIでサッと作ってみた
Avatar for Yuuki Shimizu yuukis
0
110

Featured

See All Featured
The World Runs on Bad Software
Avatar for Brandon Keepers bkeepers
PRO
68
11k
The Power of CSS Pseudo Elements
Avatar for Geoffrey Crofte geoffreycrofte
75
5.8k
jQuery: Nuts, Bolts and Bling
Avatar for Doug Neiner dougneiner
63
7.7k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
Avatar for Sam Stephenson sstephenson
160
15k
Designing for Performance
Avatar for Lara Hogan lara
608
69k
The MySQL Ecosystem @ GitHub 2015
Avatar for Sam Lambert samlambert
251
12k
XXLCSS - How to scale CSS and keep your sanity
Avatar for Zaharenia Atzitzikaki sugarenia
248
1.3M
Save Time (by Creating Custom Rails Generators)
Avatar for Garrett Dimon garrettdimon
PRO
31
1.2k
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
Avatar for Eileen M. Uchitelle eileencodes
23
2.7k
Measuring & Analyzing Core Web Vitals
Avatar for Philip Tellis bluesmoon
7
410
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
Avatar for Irina Nazarova irinanazarova
8
700
How STYLIGHT went responsive
Avatar for nonsquared nonsquared
100
5.5k

Transcript

  1. @daloog #iosdevuk Component Driven …and modular UI code with ViewModel

    Alexey Demedetskyi

  2. @daloog #iosdevuk https://www.youtube.com/watch?v=dJUEkjxylBw

  3. @daloog #iosdevuk Alexey Demedetskyi dalog@me.com Github Speakerdeck iOS Team lead

    @ Sigma Software

  4. @daloog #iosdevuk MVVM: 2012 - 2015 MVC: 2009 - 2011

    Redux: 2015 - …

  5. @daloog #iosdevuk MVVM

  6. @daloog #iosdevuk How to MVVM 1. Extract ViewModel from ViewController

    2. ??? 3. Good design https://sharpfivesoftware.com/2016/07/20/mvvm-is-lipstick-on-a-pig/

  7. @daloog #iosdevuk

  8. @daloog #iosdevuk View Models

  9. @daloog #iosdevuk “Design is never done.”

  10. @daloog #iosdevuk

  11. @daloog #iosdevuk Art

  12. @daloog #iosdevuk Art Engineering

  13. @daloog #iosdevuk

  14. @daloog #iosdevuk Feedback loop

  15. @daloog #iosdevuk Definition of done

  16. @daloog #iosdevuk Better tools

  17. @daloog #iosdevuk Better result

  18. @daloog #iosdevuk Art Engineering UI - ?

  19. @daloog #iosdevuk Art Engineering UI

  20. @daloog #iosdevuk UI is the hardest CS problem

  21. @daloog #iosdevuk

  22. @daloog #iosdevuk

  23. @daloog #iosdevuk

  24. @daloog #iosdevuk

  25. @daloog #iosdevuk

  26. @daloog #iosdevuk

  27. @daloog #iosdevuk Zero* dependency** rule*** * - not actually zero

    ** - internal is ok *** - not a rule at all

  28. @daloog #iosdevuk TDD?

  29. @daloog #iosdevuk

  30. @daloog #iosdevuk Singletons

  31. @daloog #iosdevuk Dependency net ViewController Network Database DataModel Application

  32. @daloog #iosdevuk Dependency tree ViewController Network Database DataModel Application View

  33. @daloog #iosdevuk Parent is always responsible for child dependencies

  34. @daloog #iosdevuk Module External dependency

  35. @daloog #iosdevuk Module Internal dependency

  36. @daloog #iosdevuk Module context always should be external

  37. @daloog #iosdevuk Zero dependency UI?

  38. @daloog #iosdevuk Component UI

  39. @daloog #iosdevuk

  40. @daloog #iosdevuk

  41. @daloog #iosdevuk

  42. @daloog #iosdevuk Action

  43. @daloog #iosdevuk https://medium.com/swift-fox/react-native-native-28e37f7de1ae#.x3l8sip38 Native React Native

  44. @daloog #iosdevuk VM == Props

  45. @daloog #iosdevuk MVVM

  46. @daloog #iosdevuk React

  47. @daloog #iosdevuk VM + Dynamic Animations, partial updates, etc.

  48. @daloog #iosdevuk Deposit Time

  49. @daloog #iosdevuk Deposit Time

  50. @daloog #iosdevuk Deposit Time + + - - -

  51. @daloog #iosdevuk State = f(t)

  52. @daloog #iosdevuk Event = ΔState

  53. @daloog #iosdevuk State = ∫Event

  54. @daloog #iosdevuk

  55. @daloog #iosdevuk CQRS Event sourcing

  56. @daloog #iosdevuk

  57. @daloog #iosdevuk Data driven

  58. @daloog #iosdevuk Data driven

  59. @daloog #iosdevuk VM + Complexity Containers, transition

  60. @daloog #iosdevuk https://medium.com/@dan_abramov/smart-and- dumb-components-7ca2f9a7c7d0#.62d4jggzw

  61. @daloog #iosdevuk FriendsList VC Friend VC FriendsList VM Friend VM

  62. @daloog #iosdevuk

  63. @daloog #iosdevuk

  64. @daloog #iosdevuk Shared state

  65. @daloog #iosdevuk http://redux.js.org

  66. @daloog #iosdevuk ReSwift https://github.com/ReSwift/ReSwift

  67. @daloog #iosdevuk P == NP ? dalog@me.com

  68. @daloog #iosdevuk Questions? dalog@me.com