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
Modern Core Data(iOS 10)
Search
Noritaka Kamiya
September 28, 2016
Programming
0
1.3k
Modern Core Data(iOS 10)
potatotips #33
http://potatotips.connpass.com/event/38557/
Noritaka Kamiya
September 28, 2016
Tweet
Share
More Decks by Noritaka Kamiya
See All by Noritaka Kamiya
キラリと光るテクニック、アプリをデモするときの心構え/iOSDC Japan 2018
nolili
4
3.4k
WWDC Pre meeting
nolili
1
3.5k
FastLane with Swift
nolili
0
160
App Transport Securityとローカルネットワーキング/iOSDC Japan 2017
nolili
1
1.5k
iOS Test Night #4
nolili
0
4k
SwiftFriendlyObjective-C/try! Swift Tokyo 2017 RejectCon
nolili
1
940
iOSアプリ開発のCI/CD環境とユビレジでのtry / CI CDNight
nolili
1
1.7k
ユビレジiOSアプリ開発のCI/CD環境 / iOS Test Night #1
nolili
5
2.4k
iOS I/O 2016 アクセサリといっしょ
nolili
1
2.1k
Other Decks in Programming
See All in Programming
なぜあの開発者はDevRelに伴走し続けるのか / Why Does That Developer Keep Running Alongside DevRel?
nrslib
3
370
ABEMAモバイルアプリが Kotlin Multiplatformと歩んだ5年 ─ 導入と運用、成功と課題 / iOSDC 2025
akkyie
0
320
どの様にAIエージェントと 協業すべきだったのか?
takefumiyoshii
2
600
フロントエンド開発に役立つクライアントプログラム共通のノウハウ / Universal client-side programming best practices for frontend development
nrslib
7
3.9k
明日から始めるリファクタリング
ryounasso
0
110
Pythonスレッドとは結局何なのか? CPython実装から見るNoGIL時代の変化
curekoshimizu
4
1.3k
dynamic!
moro
9
6.5k
Reduxモダナイズ 〜コードのモダン化を通して、将来のライブラリ移行に備える〜
pvcresin
2
680
ИИ-Агенты в каждый дом – Алексей Порядин, PythoNN
sobolevn
0
150
GraphQL×Railsアプリのデータベース負荷分散 - 月間3,000万人利用サービスを無停止で
koxya
1
1.1k
株式会社 Sun terras カンパニーデック
sunterras
0
230
iOSエンジニア向けの英語学習アプリを作る!
yukawashouhei
0
180
Featured
See All Featured
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
16k
Code Review Best Practice
trishagee
72
19k
Chrome DevTools: State of the Union 2024 - Debugging React & Beyond
addyosmani
7
890
Understanding Cognitive Biases in Performance Measurement
bluesmoon
29
2.6k
Gamification - CAS2011
davidbonilla
81
5.5k
Faster Mobile Websites
deanohume
310
31k
Connecting the Dots Between Site Speed, User Experience & Your Business [WebExpo 2025]
tammyeverts
9
580
YesSQL, Process and Tooling at Scale
rocio
173
14k
Embracing the Ebb and Flow
colly
88
4.8k
Large-scale JavaScript Application Architecture
addyosmani
514
110k
XXLCSS - How to scale CSS and keep your sanity
sugarenia
248
1.3M
Statistics for Hackers
jakevdp
799
220k
Transcript
import CoreData ࠷ۙɺCore DataͲ͏Ͱ͔͢? @nolili Noritaka Kamiya
None
None
None
None
CoreData
CoreData
NSAsynchronousFetchRequest NSFetchRequest<ResultType> NSPersistentContainer
NSFetchRequest<ResultType>
let request = NSFetchRequest(entityName: "Message") context.fetch(request) as! [Message] Force Casting!
Before
let request: NSFetchRequest<Message> = Message.fetchRequest() // fetchRequest() -> NSFetchRequest<T> ࣗಈੜ͞ΕΔ
let messages = context.fetch(request) // [Message] After
NSFetchRequest<ResultType> NSManagedObjectͷαϒΫϥεΛfetch͢Δ߹ʹศར SwiftϑϨϯυϦʔʹ Swift/Objective-C
NSAsynchronousFetchRequest
let request: NSFetchRequest<Message> = Message.fetchRequest() let asyncRequest = NSAsynchronousFetchRequest<Message>(fetchRequest: request)
{ result in let messages = messages = result.finalResult ?? [] } try! managedObjectContext.execute(asyncRequest)
let result: NSAsynchronousFetchResult = try! managedObjectContext.execute(asyncRequest) result.cancel()
NSAsynchronousFetchRequest closureΛͬͨඇಉظϑΣονָ͕ʹॻ͚Δ Ωϟϯηϧ͕Ͱ͖Δ ϑΣονͷProgressऔಘͰ͖Δ iOS 8~
NSPersistentContainer
Α͋͘ΔCore DataͷηοτΞοϓ
/41FSTJTUFOU4UPSF
/4.BOBHFE0CKFDU.PEFM /41FSTJTUFOU4UPSF
/41FSTJTUFOU4UPSF$PPSEJOBUPS /4.BOBHFE0CKFDU.PEFM /41FSTJTUFOU4UPSF
/41FSTJTUFOU4UPSF$PPSEJOBUPS /4.BOBHFE0CKFDU.PEFM /4.BOBHFE0CKFDU$POUFYU /41FSTJTUFOU4UPSF
/41FSTJTUFOU4UPSF$PPSEJOBUPS /4.BOBHFE0CKFDU.PEFM /4.BOBHFE0CKFDU$POUFYU /4.BOBHFE0CKFDU$POUFYU 1SJWBUF2VFVF /41FSTJTUFOU4UPSF
ͭΒ͍
ॳݟࡴ͠
NSPersistentContainer
/41FSTJTUFOU$POUBJOFS NSPersistentContainer(name: "iOS10Sampler")
/41FSTJTUFOU4UPSF$PPSEJOBUPS /4.BOBHFE0CKFDU.PEFM /4.BOBHFE0CKFDU$POUFYU /4.BOBHFE0CKFDU$POUFYU 1SJWBUF2VFVF /41FSTJTUFOU4UPSF NSPersistentContainer(name: "iOS10Sampler") /41FSTJTUFOU$POUBJOFS
It just works
NSPersistentContainer (iOS 10~) Α͋͘ΔCoreDataͷηοτΞοϓΛ؆ུԽ طʹ͍ͬͯΔਓʹͨΓલ͔͠Εͳ͍͚Ͳͱ͖ͬͭʹ͘͞؇͞Ε͍ͯΔ ۜͷؙͰͳ͍ɻCoreDataΛ͍͜ͳͨ͢Ίʹ֮͑ͳ͚Ε͍͚ͳ͍͜ͱଟ͍ɻ NSPersistentStoreDescription Λ͑ࡉ͔ͳઃఆมߋՄ
None
None
References iOS 10 Sampler https://github.com/shu223/iOS-10-Sampler What’s new in Core Data
https://developer.apple.com/videos/play/wwdc2016/242/ SwiftʴCore DataʹΑΔiOSΞϓϦϓϩάϥϛϯά (ํՆࢠɺ ؙࢁ߂ࢻ) https://book.mynavi.jp/ec/products/detail/id=50729
https://www.wantedly.com/projects/61105
import CoreData ࠷ۙɺCore DataͲ͏Ͱ͔͢? @nolili Noritaka Kamiya