Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Sign up for free
Menu
Search
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Pricing
Search
Sign in
Sign up for free
Using View Models for simpler UI
Search
DAloG
September 07, 2016
Programming
370
1
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
Using View Models for simpler UI
DAloG
September 07, 2016
More Decks by DAloG
See All by DAloG
State normalization (RU)
dalog
0
260
Redux + MQTT
dalog
1
840
От задач к проблемам
dalog
1
290
Unlimited power of Data-Driven UI
dalog
4
720
Data-Driven View Controllers. Tips and Tricks
dalog
5
2k
2 years of Redux in iOS. Lessons learned
dalog
0
430
Why unidirectional architecture matter for iOS.
dalog
1
340
Mobile backend without REST
dalog
2
160
Self managed teams 101
dalog
0
210
Other Decks in Programming
See All in Programming
C#の現在地 進化の歴史と、AI時代の.NET Everywhere
neuecc
5
5.2k
[2026-09-26]空論ジェネリックプロセス~テスト資産とAIで紡ぐ、再現可能なパフォーマンスチューニングの話~
tosite
0
270
パズルゲームの作り方 / how to make puzzle games
kaityo256
PRO
2
300
AIに “答え“を書かせるのを やめてみた
___akari11
0
120
個人開発者よ、Honoを使え(おじさんver)
tanahiro2010
2
260
Vue Fes Japan の “作る側”に関わってみて
naokihaba
0
160
APNsからLive Activityを開始する話
yumnumm
0
170
AWSに止められる覚悟してますか?
morizo_1984
2
540
npm との違いを手がかりにGo の依存管理を理解したい
optim
0
780
現場と育てるRailsモデリング 〜Spreadsheetから始めたモデル設計〜
siroemk
2
630
JAWS-UG 東京支部が始める、JAWS-UG支部コラボ / JAWS-UG lunchtime LT Collaboration
y0hgi
0
280
Atomic Design, Enforced: Scaling Mobile Design Systems (next.app devCon / droidCon Berlin 2026)
steliosf
PRO
0
170
Featured
See All Featured
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
162
16k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
46
3k
No one is an island. Learnings from fostering a developers community.
thoeni
21
3.9k
Building Adaptive Systems
keathley
44
3.3k
AI Search: Implications for SEO and How to Move Forward - #ShenzhenSEOConference
aleyda
1
1.4k
Faster Mobile Websites
deanohume
310
32k
Art, The Web, and Tiny UX
lynnandtonic
304
22k
Intergalactic Javascript Robots from Outer Space
tanoku
273
28k
Practical Orchestrator
shlominoach
192
12k
Building Experiences: Design Systems, User Experience, and Full Site Editing
marktimemedia
1
630
The innovator’s Mindset - Leading Through an Era of Exponential Change - McGill University 2025
jdejongh
PRO
1
380
Getting science done with accelerated Python computing platforms
jacobtomlinson
2
540
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]