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
kotlin-mpp-library-tips
Search
uzzu
February 18, 2019
Technology
6.5k
1
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
kotlin-mpp-library-tips
Cookpad.apk #2 登壇資料
https://cookpad.connpass.com/event/117054/
uzzu
February 18, 2019
More Decks by uzzu
See All by uzzu
あなたは 何をして 何をもたらすのか? / reskilling-at-tokyo-2026
uzzu
0
40
Context Receiversに思いを馳せる / Context Receivers
uzzu
0
790
StoreKitのこれまでとこれから / StoreKit 2 from 1
uzzu
5
22k
Autofill Framework
uzzu
0
160
アプリ内課金の最新事情 クライアントサイド編 / In-app Purchase in Cookpad 2019
uzzu
3
4.7k
Billing Client 2.0 acknowledgement
uzzu
0
17k
Promoting IAP対応から学ぶ外部アプリ内課金実装 / Promoting IAP and others
uzzu
2
1.6k
ブログ作り直した / My blog @ Othlo Tech
uzzu
0
230
新規アプリ開発を支えるユーザ・決済基盤
uzzu
2
3k
Other Decks in Technology
See All in Technology
現場で役立つ技術負債の効果的な返済方法
masuda220
PRO
11
5.1k
バイブコーディング時代のWebアプリ開発入門~Cloud Runで学ぶセキュアなビルドとデプロイ
waiwai2111
1
140
ADKで始める業務改善 - AIエージェント開発時の考えと設計
harappa80
2
280
AIエージェントの権限管理 3: Agentic RAG の Fine grained access control 編
ren8k
0
220
AIで社員の自主発信に広報目線を組み込む
_mossann_t
0
140
リアーキテクチャ後の障害ゼロを目指したShadow Testingの取り組み
nihonbuson
PRO
1
170
.NET WebAssemblyで実現するクライアントサイドAI推論:NuGetからViteまで、2つのエコシステムを繋ぐビルド戦略
yamachu
1
630
AI Agent入門〜今更聞けないAgentの話〜
hiromimaganuma
0
110
AI coding 整合正規方法
philipz
0
520
積み重なった技術負債への挑戦 〜初手としての全社ゴト化〜
techtekt
PRO
0
1.6k
What the customer really needed
kawaguti
PRO
3
220
30座EKS, 180次升級淬煉的EKS Upgrade Skill 的歷程
eric8230
0
210
Featured
See All Featured
A Guide to Academic Writing Using Generative AI - A Workshop
ks91
PRO
1
480
GraphQLとの向き合い方2022年版
quramy
50
15k
<Decoding/> the Language of Devs - We Love SEO 2024
nikkihalliwell
1
330
How to Get Subject Matter Experts Bought In and Actively Contributing to SEO & PR Initiatives.
livdayseo
0
200
Taking LLMs out of the black box: A practical guide to human-in-the-loop distillation
inesmontani
PRO
3
2.4k
Into the Great Unknown - MozCon
thekraken
41
2.7k
brightonSEO & MeasureFest 2025 - Christian Goodrich - Winning strategies for Black Friday CRO & PPC
cargoodrich
3
850
Evolving SEO for Evolving Search Engines
ryanjones
0
300
Product Roadmaps are Hard
iamctodd
55
13k
Agile Actions for Facilitating Distributed Teams - ADO2019
mkilby
0
280
AI in Enterprises - Java and Open Source to the Rescue
ivargrimstad
0
1.5k
Are puppies a ranking factor?
jonoalderson
2
3.9k
Transcript
,PUMJO.VMUJ1MBUGPSN-JCSBSZ !V[[V
"HFOEB wܦҢ w,PUMJO.11 .VMUJ1MBUGPSN1SPKFDU ͷ֓ཁ wݱঢ় w5*14ू w ࠓେৎ͚ͩͲ কདྷతʹେมͦ͏ͩͳͱࢥ͏ࣄ
ܦҢ w৽نΞϓϦ͚ͷೝূΞϓϦ՝ۚ౷ׅϥΠϒϥϦ Λ࡞͍ͬͯΔ J04͚ ͜ͷล5FDI$POGΛָ͓͠Έʹ w"OESPJEͰೝূ"1*ΫϥΠΞϯτΞϓϦ՝ۚ ϥΠϒϥϦΛͦΕͧΕݸผʹ࡞ΓɺͦΕΛར༻ऀଆ Ͱܨ͗͜ΜͰ͍ͨ
ܦҢ w"OESPJE༻ͷೝূΞϓϦ՝ۚ౷ׅϥΠϒϥϦͷधཁ ͕ߴ·ͬͨ wͨͩ"OESPJE༻ʹϥΠϒϥϦ࡞ΔࣄͰ͖Δ͕ ΕͰ͖ͯ͠·͏ͷͰઓ͕ͳ͍ w ݱ࣌Ͱࣾधཁແ͍͕ ,PUMJO.11ͷࢼݧӡ༻ ݉ͶͯͬͯΈΔࣄʹ
؆୯ͳ֓ཁ wl&YQFSJNFOUBMGFBUVSFJO,PUMJOBOEz w1MBUGPSNؒͰίʔυΛڞ༗͢Δ +7. "OESPJE +BWB4DSJQU J04 -JOVY 8JOEPXT
.BD FUDʜ wϓϥοτϑΥʔϜඇґଘͳίʔυDPNNPOQSPKFDU ґଘίʔυQMBUGPSNQSPKFDUʹॻ͍͍ͯ͘
Kotlin Source Codes Kotlin / JVM Kotlin / Native Kotlin
/ JS JVM Android Executable Dynamic Library iOS Node.js Browser JS Server app Desktop app etc… Android app iOS(arm32, arm64, emulator x86_64) MacOS(x86_64) Android(arm32, arm64) Linux(x86_64, arm32, MIPS, MIPS little endian) WebAssembly(wasm32) Windows(mingw x86_64) Frontend Web app Server app etc…
Kotlin Source Codes Kotlin / JVM Kotlin / Native Kotlin
/ JS JVM Android Executable Dynamic Library iOS Node.js Browser JS java.util.concurrent.* Handler pthread etc… Promise Coroutines - ඇಉظॲཧ -> abstraction by CoroutineContext GCD
Kotlin Source Codes Kotlin / JVM Kotlin / Native Kotlin
/ JS JVM Android Executable Dynamic Library iOS Node.js Browser JS nghttp2 libcurl etc… Fetch API ktor-client - HTTPClient -> abstraction by HTTPClientEngine NSURLRequest etc… apache Jetty etc… okhttp etc… request node-fetch etc..
None
.VMUJ,PUMJO.VMUJ1MBUGPSN1SPKFDU ݴ͍͍͚ͨͩ
5FDIOPMPHZ4UBDL w(SBEMF ,PUMJOʙ ݱࡏ wLPUMJOTUEMJC LPUMJOYDPSPVUJOFTDPSF LPUMJOYTFSJBMJ[BUJPO LUPSDMJFOU
wLPUMJOUFTU LPUMJOYDPSPVUJOFTUFTU LUPSDMJFOU NPDL NPDLL BTTFSUL LUMJOU wޙQMBUGPSNʹ߹Θͤͯ0L)UUQ
͔͜͜Β5*14ू
(SBEMF1SPKFDU4USVDUVSF wͦͦͲ͏͠Α͏ w·Ͱ,PUMJO%4-ະαϙʔτͩͬͨ w͔ΒͷQSPKFDUTUSVDUVSFͰ͍ͬͯͬͨͱ ͖ͷকདྷతͳϏϧυεΫϦϓτͷϝϯς͕ਏͦ͏ʜ
(SBEMF1SPKFDU4USVDUVSF ➔ܥͷࠒͷQSPKFDUTUSVDUVSFΛ౿ऻ
(SBEMF1SPKFDU4USVDUVSF https://github.com/uzzu/kotlin-mpp-boilerplate
(SBEMF1SPKFDU4USVDUVSF ➔ܥͷࠒͷQSPKFDUTUSVDUVSFΛ౿ऻ ɹBOESPJEϏϧυݻ༗ͷόάʹҾ͔͔ͬΔࣄͳ͍ ɹͷͰศར͚ͩͬͨͲɺطʹमਖ਼͞Ε͍ͯΔ͠ ɹEFQSFDBUFEʹͳͬͨΒΊΑ͏͔ͳͱ͍͏ؾ࣋ͪ
*%&4FUUJOHT *%&্ͰͷVOJUUFTU࣮ߦʹࠔͬͨΒ
LUPSDMJFOU wLPUMJOSFqFDUґଘ όΠφϦαΠζ͕େ͖͘ͳͬͯ͠·͏ʜ ɹ➔ݱঢ়ख͔ͣɻ࣏͍ͨ͠ʜ
LUPSDMJFOUPLIUUQ wϥΠϒϥϦ,PUMJO.11Ͱ࡞ͬͯΔ͚Ͳ ΞϓϦ,PUMJO.11Ͱ࡞͍ͬͯͳ͍ ී௨ͷ"OESPJEΞϓϦ w"OESPJEͷੈքͰ 3FUSPpU "QPMMP 3FBDU/BUJWF FUDʜͱ
ܨ͍͗ͨधཁ͕͋Δ w0L)UUQ$MJFOUͷΠϯελϯεΛڞ༗͍ͨ͠
LUPSDMJFOUPLIUUQ wLUPSDMJFOUPLIUUQͰෆՄ ɹ➔0L)UUQ$MJFOU&OHJOFΛࣗ࡞ͯ͠ ɹɹLUPSDMJFOUքͱ"OESPJEքͰ ɹɹ0L)UUQ$MJFOUΛڞ༗
LPUMJOYTFSJBMJ[BUJPO w(SBEMF1MVHJOͰͷ4FSJBMJ[FS%FTFSJBMJ[FSੜػೳ ΛΘͳ͍ͱ͍͚ͳ͍ఔن͕େ͖͘ͳ͍ BOOPUBUJPOQSPDFTTJOH͠ͳͯ͘ࡁΉͳΒͨ͘͠ͳ͍ ɹ➔+TPO0CKFDUMJLFͳػೳ͋ΔͷͰͦΕΛ͏ ɹɹ(SBEMF1MVHJOBQQMZෆཁʹ͍ͯ͠Δ ɹɹৄࡉhttps://uzzu.github.io/post/kotlin-json-serialization-mini.html
$PSPVUJOFT wͳΜ͔ͩΜͩͰ.VUFYΛΑ͘͏ ೝূपΓฒྻʹΒΕͯࠔΔ ͔ͭQPTUQPOFʹͨ͘͠ͳ͍ ݺͼग़͠ճͰɺฒྻʹݺΕͨશͯͷ࣮ߦίϯς Ωετʹฦ٫͍ͨ͠ ͭ·ΓQVCMJTI SFGDPVOU WJB3Y ͍ͨ͠
$PSPVUJOFT https://github.com/uzzu/kortex
$PSPVUJOFT class CallCount(val value: Int) { override fun equals(other: Any?)
= this === other } var callCount = 0 suspend fun increment(): CallCount { ++callCount delay(10) return CallCount(callCount) } ྫ ϝιουίʔϧ͞ΕͨճΛฦ٫͢Δ͚ͩͷؔ
$PSPVUJOFT @Test fun basicWithHot() = runBlocking(hotInvocation()) { val times =
3 val results = mutableListOf<CallCount>() val jobs = mutableListOf<Job>() repeat(times) { i -> val job = launch { runCatching { withContext(Dispatchers.IO) { withHot("hot") { increment() } } } .onSuccess { results.add(it) } .onFailure { fail("[$i] Exception occurred: $it") } } jobs.add(job) } jobs.forEach { it.join() } assertAll { assertThat(results.size).isEqualTo(times) // શͯͷ࣮ߦContextʹincrement()ͷ݁Ռ͕ฦ٫͞ΕΔ assertThat(results.distinct().size).isEqualTo(1) // ಉҰΦϒδΣΫτ͕ฦ٫͞ΕΔ assertThat(results.distinct()[0].value).isEqualTo(1) // increment()ͷݺग़ճ1ճ } }
$PSPVUJOFT wৄࡉ https://uzzu.github.io/post/hot-coroutines.html
5FTUJOH wجຊతʹDPNNPOʹॻ͘ wDPNNPOʹॻ͍͓ͯ͘ͱɺ֤1MBUGPSNͷVOJU UFTU࣮ߦ࣌ʹ·ͱΊͯVOJUUFTU͕࣮ߦ͞ΕΔ
5FTUJOH$PSPVUJOFT wSVO#MPDLJOHKWNͷΈఏڙ͞Ε͍ͯΔ DPNNPOʹςετॻ͖͍ͨ wݱঢ়UFTUJOGSBͳTVCQSPKFDUΛ࡞ͬͯSVO#MPDLJOHΛ FYQFDUBDUVBMͷܗʹ͍ͯ͠Δ KTͳΒQSPNJTF NPDIBͰ ۩ମతͳίʔυhttps://gist.github.com/uzzu/58cb8bb12c17605017edd01b8498915a
w,PUMJOͳ͍͠$PSPVUJOFT-JCSBSZ্Ͱ ରԠ͕ೖΔ༧ఆʜͱࢥ͍ͬͯΔ͚ͲJTTVFḷ͍ͬͯ͘ͱ ͬͱ͔͔Γͦ͏ͳؾ͕͢Δʜhttps://youtrack.jetbrains.com/issue/KT-19813
͜͜·Ͱ5*14
কདྷతʹେมͦ͏ͩͱࢥ͏ࣄ w,PUMJO/BUJWFͷςετ .PDLL"TTFSULݱঢ়/BUJWFඇରԠͳͷͰ ͪঢ়ଶ
কདྷతʹେมͦ͏ͩͱࢥ͏ࣄ w,PUMJO/BUJWFͷ$*ڥ J04͚ͷςετ࣮ߦՄೳܗࣜͰు͍ͯɺYDSVOͯ͠Ϩ ϙʔτूܭ͍ͯ͠ΔJ04Ϗϧυڥ͕͍Δ ଞͷBSDIJUFDUVSFಉ༷ $*ڥͱςετϨϙʔτूܭͲ͏͢Δ QMBUGPSNຖʹ QJQFMJOFԽͯ͠ΔΜͩͱࢥ͏ ͪΖΜ/BUJWFJ04͚ͩͰͳ͍ͷͰҎԼུ
কདྷతʹେมͦ͏ͩͱࢥ͏ࣄ wͨ͘͞Μ͋ΔͷͰ͓͠·͠ΐ͏ʂ