Upgrade to Pro — share decks privately, control downloads, hide ads and more …
Sign up for free

Pitfalls of PhotoKit

Avatar for griffin-stewie griffin-stewie
December 22, 2015
Programming
280
0

Pitfalls of PhotoKit

関西モバイルアプリ研究会 #9 (kanmoba)

Avatar for griffin-stewie

griffin-stewie

December 22, 2015

More Decks by griffin-stewie

See All by griffin-stewie
How I develop a Sketch Native Plugin
Avatar for griffin-stewie griffin_stewie
0
800
Boost your App Dev using Sketch
Avatar for griffin-stewie griffin_stewie
0
330
Take a peep at .app
Avatar for griffin-stewie griffin_stewie
0
480
Lightweight Markup Language to PDF
Avatar for griffin-stewie griffin_stewie
1
630
ドキュメント作成どうしてる？
Avatar for griffin-stewie griffin_stewie
0
640
Talk about "clg" color list generator.
Avatar for griffin-stewie griffin_stewie
1
490
Tips for Apple Watch.
Avatar for griffin-stewie griffin_stewie
0
860
JSON をそこそこ見やすくする CUI ツールを Objective-C で作ったときの話
Avatar for griffin-stewie griffin_stewie
1
600

Other Decks in Programming

See All in Programming
そのリトライ、死んだコネクションを使い回していませんか ── GoのHTTPクライアントとHTTP/2を実プロダクト障害から学び直す
Avatar for Yusa Matsuda myus4a
0
220
モデルのリファクタリングが難しいと思ったら、そもそも複雑だったのはビジネス仕様だった ? / is-the-business-domain-the-real-complexity
Avatar for hatsu hatsu38
0
390
[Rails World 2026] Durable orchestration on Rails: from continuation to workflow
Avatar for Vladimir Dementyev palkan
1
210
XP祭りでしか伝わらないフリップネタ #xpjug
Avatar for bayashi murabayashi
0
150
Family mrubyの進捗
Avatar for Katsuhiko Kageyama kishima
1
130
変化を抱擁するドキュメントの作り方 - ビジネスルール駆動開発がもたらす、コードとの新しい関係
Avatar for ioki ioki
2
220
Security issues being discussed on Web Platforms
Avatar for petamoriken / 森建 petamoriken
0
1.2k
AWS DevOps Agentで インシデント対応をAIに任せたい
Avatar for HonMarkHunt honmarkhunt
7
3.1k
LoopHub - ローカルで動く GitHub で、AI と共同開発
Avatar for jugyo jugyo
1
570
スマート反転とウェブアクセシビリティ
Avatar for KAMIHARA Takumi camiha
0
210
【高い買い物LT会】初任給で話題の国産フィジカルAIを買った話
Avatar for 赤神青空 akagami
PRO
0
170
選挙速報を多くのユーザーへ 届ける Live Activities 設計
Avatar for kengo saito hamayokokuririn
0
160

Featured

See All Featured
The AI Search Optimization Roadmap by Aleyda Solis
Avatar for Aleyda Solis aleyda
1
6.2k
The innovator’s Mindset - 
Leading Through an Era of Exponential Change - McGill University 2025
Avatar for Jean-Marc De Jonghe jdejongh
PRO
1
340
Why Mistakes Are the Best Teachers: Turning Failure into a Pathway for Growth
Avatar for Umar Saidu Auna auna
0
300
30 Presentation Tips
Avatar for Ian Lurie portentint
PRO
1
400
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
Avatar for panda_program panda_program
123
22k
The Illustrated Guide to Node.js - THAT Conference 2024
Avatar for David Neal reverentgeek
1
530
Statistics for Hackers
Avatar for Jake VanderPlas jakevdp
799
230k
Design of three-dimensional binary manipulators for pick-and-place task avoiding obstacles (IECON2024)
Avatar for konakalab konakalab
0
600
Amusing Abliteration
Avatar for ianozsvald ianozsvald
1
310
Build your cross-platform service in a week with App Engine
Avatar for Jose L jlugia
234
19k
Bash Introduction
Avatar for André Augusto Costa Santos 62gerente
615
220k
From π to Pie charts
Avatar for Rasagy Sharma rasagy
1
380

Transcript

  1. Pitfalls of PhotoKit @griffin_stewie

  2. Fenrir Inc. @griffin_stewie Bouldering: Level 5

  3. PhotoKit

  4. PhotoKit • From iOS 8 • Sophisticated • Thread safe

  5. Simple Fetching

  6. Assets Library • Enumerate groups and assets • Filter inside

    loop • Easy access raw data

  7. PhotoKit • Call fetch methods • Like CoreData • Apply

    fetch options

  8. Complicated Fetching

  9. PHFetchOptions • dates • pixelWidth • pixelHeight • etc

  10. PhotoKit • Access raw data ?

  11. Darkside

  12. Too slow

  13. Fetching 5000 assets • Assets Library • Takes a few

    seconds • PhotoKit • Takes a few minutes

  14. Reasons

  15. XPC • Assets Library • Same process as app •

    PhotoKit • Separate process • Communicate using XPC

  16. Thread safe • Assets Library • Developers should take care

    of it • PhotoKit • Framework cares

  17. Let's use obediently