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
kotlin-mpp-library-tips
Search
Sponsored
·
Your Podcast. Everywhere. Effortlessly.
Share. Educate. Inspire. Entertain. You do you. We'll handle the rest.
→
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
Context Receiversに思いを馳せる / Context Receivers
uzzu
0
770
StoreKitのこれまでとこれから / StoreKit 2 from 1
uzzu
5
21k
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
220
新規アプリ開発を支えるユーザ・決済基盤
uzzu
2
3k
Coroutine Kyuin
uzzu
2
340
Other Decks in Technology
See All in Technology
インフラ寄りSREでも 開発に踏み出せる〜境界を越えてユーザー体験に向き合いたい〜
sansantech
PRO
0
250
飲食店もAIで。レジ締めやハンディシステムをつくってる話 / Using AI for restaurant management
vtryo
0
240
從觀望到全公司落地:AI Agentic Coding 導入實戰 — 流程整合與安全治理
appleboy
1
750
背中から、背中へ /paying forward to community
naitosatoshi
0
220
証券システムを10年Scalaで作り続けるということ - 関数型まつり2026
krrrr38
0
110
Claude Code 珍プレー好プレー
shinyasaita
0
180
打造你的 AI 工作流:Agent Skill + MCP 實戰工作坊
appleboy
0
510
そのハーネス、本当に境界になっていますか? AIエージェント時代の実行環境設計【MEGU-Meet #4】
cscengineer
PRO
0
110
グローバルチームと挑むプロダクト開発
sansantech
PRO
1
150
記録をかんたんに、提案をパーソナルに ── AIであすけんが目指すもの
oprstchn
0
140
製造現場での生成AIの活用、およびエージェントAIの実装のあり方、AVEVAの取り組み
iotcomjpadmin
0
220
プロンプト_きのこカンファレンス2026_LT
yurufuwahealer
0
130
Featured
See All Featured
Organizational Design Perspectives: An Ontology of Organizational Design Elements
kimpetersen
PRO
1
760
Game over? The fight for quality and originality in the time of robots
wayneb77
1
220
Product Roadmaps are Hard
iamctodd
55
12k
Jess Joyce - The Pitfalls of Following Frameworks
techseoconnect
PRO
1
180
The MySQL Ecosystem @ GitHub 2015
samlambert
251
13k
Marketing Yourself as an Engineer | Alaka | Gurzu
gurzu
0
250
Evolving SEO for Evolving Search Engines
ryanjones
0
230
The World Runs on Bad Software
bkeepers
PRO
72
12k
How To Stay Up To Date on Web Technology
chriscoyier
790
250k
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
21
1.5k
Tell your own story through comics
letsgokoyo
1
980
Building a A Zero-Code AI SEO Workflow
portentint
PRO
0
620
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