Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Using View Models for simpler UI
Search
DAloG
September 07, 2016
Programming
1
340
Using View Models for simpler UI
DAloG
September 07, 2016
Tweet
Share
More Decks by DAloG
See All by DAloG
State normalization (RU)
dalog
0
210
Redux + MQTT
dalog
1
790
От задач к проблемам
dalog
1
270
Unlimited power of Data-Driven UI
dalog
4
670
Data-Driven View Controllers. Tips and Tricks
dalog
5
2k
2 years of Redux in iOS. Lessons learned
dalog
0
390
Why unidirectional architecture matter for iOS.
dalog
1
310
Mobile backend without REST
dalog
2
120
Self managed teams 101
dalog
0
170
Other Decks in Programming
See All in Programming
AI Agent Tool のためのバックエンドアーキテクチャを考える #encraft
izumin5210
5
1.5k
JETLS.jl ─ A New Language Server for Julia
abap34
2
470
re:Invent 2025 のイケてるサービスを紹介する
maroon1st
0
160
2年のAppleウォレットパス開発の振り返り
muno92
PRO
0
130
React 19でつくる「気持ちいいUI」- 楽観的UIのすすめ
himorishige
4
230
ゲームの物理 剛体編
fadis
0
390
AIエージェントの設計で注意するべきポイント6選
har1101
6
2.9k
[AI Engineering Summit Tokyo 2025] LLMは計画業務のゲームチェンジャーか？ 最適化業務における活⽤の可能性と限界
terryu16
1
200
Patterns of Patterns
denyspoltorak
0
410
リリース時」テストから「デイリー実行」へ！開発マネージャが取り組んだ、レガシー自動テストのモダン化戦略
goataka
0
150
HTTPプロトコル正しく理解していますか？ 〜かわいい猫と共に学ぼう。ฅ^•ω•^ฅ ﾆｬ〜
hekuchan
2
580
Tinkerbellから学ぶ、Podで DHCPをリッスンする手法
tomokon
0
150
Featured
See All Featured
Breaking role norms: Why Content Design is so much more than writing copy - Taylor Woolridge
uxyall
0
120
The Limits of Empathy - UXLibs8
cassininazir
1
200
Skip the Path - Find Your Career Trail
mkilby
0
29
Intergalactic Javascript Robots from Outer Space
tanoku
273
27k
Joys of Absence: A Defence of Solitary Play
codingconduct
1
260
Discover your Explorer Soul
emna__ayadi
2
1k
Applied NLP in the Age of Generative AI
inesmontani
PRO
3
2k
Rails Girls Zürich Keynote
gr2m
95
14k
How Software Deployment tools have changed in the past 20 years
geshan
0
30k
Why Mistakes Are the Best Teachers: Turning Failure into a Pathway for Growth
auna
0
32
10 Git Anti Patterns You Should be Aware of
lemiorhan
PRO
659
61k
What does AI have to do with Human Rights?
axbom
PRO
0
1.9k
Transcript
@daloog #iosdevuk Component Driven …and modular UI code with ViewModel
Alexey Demedetskyi
@daloog #iosdevuk https://www.youtube.com/watch?v=dJUEkjxylBw
@daloog #iosdevuk Alexey Demedetskyi
[email protected]
Github Speakerdeck iOS Team lead
@ Sigma Software
@daloog #iosdevuk MVVM: 2012 - 2015 MVC: 2009 - 2011
Redux: 2015 - …
@daloog #iosdevuk MVVM
@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/
@daloog #iosdevuk
@daloog #iosdevuk View Models
@daloog #iosdevuk “Design is never done.”
@daloog #iosdevuk
@daloog #iosdevuk Art
@daloog #iosdevuk Art Engineering
@daloog #iosdevuk
@daloog #iosdevuk Feedback loop
@daloog #iosdevuk Definition of done
@daloog #iosdevuk Better tools
@daloog #iosdevuk Better result
@daloog #iosdevuk Art Engineering UI - ?
@daloog #iosdevuk Art Engineering UI
@daloog #iosdevuk UI is the hardest CS problem
@daloog #iosdevuk
@daloog #iosdevuk
@daloog #iosdevuk
@daloog #iosdevuk
@daloog #iosdevuk
@daloog #iosdevuk
@daloog #iosdevuk Zero* dependency** rule*** * - not actually zero
** - internal is ok *** - not a rule at all
@daloog #iosdevuk TDD?
@daloog #iosdevuk
@daloog #iosdevuk Singletons
@daloog #iosdevuk Dependency net ViewController Network Database DataModel Application
@daloog #iosdevuk Dependency tree ViewController Network Database DataModel Application View
@daloog #iosdevuk Parent is always responsible for child dependencies
@daloog #iosdevuk Module External dependency
@daloog #iosdevuk Module Internal dependency
@daloog #iosdevuk Module context always should be external
@daloog #iosdevuk Zero dependency UI?
@daloog #iosdevuk Component UI
@daloog #iosdevuk
@daloog #iosdevuk
@daloog #iosdevuk
@daloog #iosdevuk Action
@daloog #iosdevuk https://medium.com/swift-fox/react-native-native-28e37f7de1ae#.x3l8sip38 Native React Native
@daloog #iosdevuk VM == Props
@daloog #iosdevuk MVVM
@daloog #iosdevuk React
@daloog #iosdevuk VM + Dynamic Animations, partial updates, etc.
@daloog #iosdevuk Deposit Time
@daloog #iosdevuk Deposit Time
@daloog #iosdevuk Deposit Time + + - - -
@daloog #iosdevuk State = f(t)
@daloog #iosdevuk Event = ΔState
@daloog #iosdevuk State = ∫Event
@daloog #iosdevuk
@daloog #iosdevuk CQRS Event sourcing
@daloog #iosdevuk
@daloog #iosdevuk Data driven
@daloog #iosdevuk Data driven
@daloog #iosdevuk VM + Complexity Containers, transition
@daloog #iosdevuk https://medium.com/@dan_abramov/smart-and- dumb-components-7ca2f9a7c7d0#.62d4jggzw
@daloog #iosdevuk FriendsList VC Friend VC FriendsList VM Friend VM
@daloog #iosdevuk
@daloog #iosdevuk
@daloog #iosdevuk Shared state
@daloog #iosdevuk http://redux.js.org
@daloog #iosdevuk ReSwift https://github.com/ReSwift/ReSwift
@daloog #iosdevuk P == NP ?
[email protected]
@daloog #iosdevuk Questions?
[email protected]
dalog
izumin5210
abap34
maroon1st
muno92
himorishige
fadis
har1101
terryu16
denyspoltorak
goataka
hekuchan
tomokon
uxyall
cassininazir
mkilby
tanoku
codingconduct
emna__ayadi
inesmontani
gr2m
geshan
auna
lemiorhan
axbom
![@daloog #iosdevuk Alexey Demedetskyi [email protected] Github Speakerdeck iOS Team lead](https://files.speakerdeck.com/presentations/7cefb1a43ca14b0da2cb2e91891fac4e/slide_2.jpg){kind=link}
![@daloog #iosdevuk P == NP ? [email protected]](https://files.speakerdeck.com/presentations/7cefb1a43ca14b0da2cb2e91891fac4e/slide_66.jpg){kind=link}
![@daloog #iosdevuk Questions? [email protected]](https://files.speakerdeck.com/presentations/7cefb1a43ca14b0da2cb2e91891fac4e/slide_67.jpg){kind=link}