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

Pitfalls of PhotoKit

Sponsored · Your Podcast. Everywhere. Effortlessly. Share. Educate. Inspire. Entertain. You do you. We'll handle the rest. →
Avatar for griffin-stewie griffin-stewie
December 22, 2015
Programming
0
270

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
Tweet

More Decks by griffin-stewie

See All by griffin-stewie
How I develop a Sketch Native Plugin
Avatar for griffin-stewie griffin_stewie
0
760
Boost your App Dev using Sketch
Avatar for griffin-stewie griffin_stewie
0
310
Take a peep at .app
Avatar for griffin-stewie griffin_stewie
0
450
Lightweight Markup Language to PDF
Avatar for griffin-stewie griffin_stewie
1
620
ドキュメント作成どうしてる？
Avatar for griffin-stewie griffin_stewie
0
620
Talk about "clg" color list generator.
Avatar for griffin-stewie griffin_stewie
1
480
Tips for Apple Watch.
Avatar for griffin-stewie griffin_stewie
0
840
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
590

Other Decks in Programming

See All in Programming
守る「だけ」の優しいEMを抜けて、 事業とチームを両方見る視点を身につけた話
Avatar for Mitsui maroon8021
3
1.4k
「接続」—パフォーマンスチューニングの最後の一手 〜点と点を結ぶ、その一瞬のために〜
Avatar for 武田 憲太郎 kentaroutakeda
4
2k
How to stabilize UI tests using XCTest
Avatar for Akio Itaya akkeylab
0
140
Everything Claude Code OSS詳細 — 5層構造の中身と導入方法
Avatar for techs-targe targe
0
150
RailsのValidatesをSwift Macrosで再現してみた
Avatar for Takuma Shimizu hokuron
0
130
夢の無限スパゲッティ製造機 -実装篇- #phpstudy
Avatar for hideki kinjyo o0h
PRO
0
160
Symfony + NelmioApiDocBundle を使った スキーマ駆動開発 / Schema Driven Development with NelmioApiDocBundle
Avatar for Shohei Okada okashoi
0
230
Fundamentals of Software Engineering In the Age of AI
Avatar for Dan Vega therealdanvega
2
290
Kubernetesでセルフホストが簡単なNewSQLを求めて / Seeking a NewSQL Database That's Simple to Self-Host on Kubernetes
Avatar for nnaka2992 nnaka2992
0
180
ネイティブアプリとWebフロントエンドのAPI通信ラッパーにおける共通化の勘所
Avatar for Suguru Ohki suguruooki
0
190
野球解説AI Agentを開発してみた - 2026/02/27 LayerX社内LT会資料
Avatar for Shinichi Nakagawa shinyorke
PRO
0
370
Cyrius ーLinux非依存にコンテナをネイティブ実行する専用OSー
Avatar for n4mlz n4mlz
0
250

Featured

See All Featured
The SEO identity crisis: Don't let AI make you average
Avatar for Varn varn
0
420
GraphQLの誤解/rethinking-graphql
Avatar for sonatard sonatard
75
12k
The browser strikes back
Avatar for Jono Alderson jonoalderson
0
850
More Than Pixels: Becoming A User Experience Designer
Avatar for Michelle Schulp Hunt marktimemedia
3
360
Facilitating Awesome Meetings
Avatar for Lara Hogan lara
57
6.8k
The SEO Collaboration Effect
Avatar for Kristina Bergwall kristinabergwall1
0
410
SEOcharity - Dark patterns in SEO and UX: How to avoid them and build a more ethical web
Avatar for Sara Fernández Carmona sarafernandez
0
150
Designing Experiences People Love
Avatar for Jonathan Moore moore
143
24k
SEO in 2025: How to Prepare for the Future of Search
Avatar for Michael King ipullrank
3
3.4k
Bridging the Design Gap: How Collaborative Modelling removes blockers to flow between stakeholders and teams @FastFlow conf
Avatar for Kenny Baas-Schwegler baasie
0
490
The Art of Programming - Codeland 2020
Avatar for Erika Heidi erikaheidi
57
14k
The Limits of Empathy - UXLibs8
Avatar for Cassini Nazir cassininazir
1
270

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