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
330
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
780
От задач к проблемам
dalog
1
260
Unlimited power of Data-Driven UI
dalog
4
660
Data-Driven View Controllers. Tips and Tricks
dalog
5
2k
2 years of Redux in iOS. Lessons learned
dalog
0
380
Why unidirectional architecture matter for iOS.
dalog
1
300
Mobile backend without REST
dalog
2
120
Self managed teams 101
dalog
0
160
Other Decks in Programming
See All in Programming
Promise.tryで実現する新しいエラーハンドリング New error handling with Promise try
bicstone
3
520
Stay Hacker 〜九州で生まれ、Perlに出会い、コミュニティで育つ〜
pyama86
2
2.3k
生成AIを活用したリファクタリング実践 ~コードスメルをなくすためのアプローチ
raedion
0
100
問題の見方を変える「システム思考」超入門
panda_program
0
300
「10分以内に機能を消せる状態」 の実現のためにやっていること
togishima
1
520
『実践MLOps』から学ぶ DevOps for ML
nsakki55
2
450
FlutterKaigi 2025 システム裏側
yumnumm
0
1.1k
イベントストーミングのはじめかた / Getting Started with Event Storming
nrslib
1
650
JJUG CCC 2025 Fall: Virtual Thread Deep Dive
ternbusty
3
470
Evolving NEWT’s TypeScript Backend for the AI-Driven Era
xpromx
0
120
Flutterアプリ運用の現場で役立った監視Tips 5選
ostk0069
1
490
知られているようで知られていない JavaScriptの仕様 4選
syumai
0
630
Featured
See All Featured
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
9
1k
How to Ace a Technical Interview
jacobian
280
24k
Designing for Performance
lara
610
69k
Code Reviewing Like a Champion
maltzj
527
40k
Keith and Marios Guide to Fast Websites
keithpitt
413
23k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
46
2.6k
Build The Right Thing And Hit Your Dates
maggiecrowley
38
2.9k
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
17k
The MySQL Ecosystem @ GitHub 2015
samlambert
251
13k
10 Git Anti Patterns You Should be Aware of
lemiorhan
PRO
659
61k
Code Review Best Practice
trishagee
72
19k
Speed Design
sergeychernyshev
33
1.2k
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]