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
Select API from Kotlin Coroutine
Search
Matsuda Jumpei
June 20, 2025
Programming
2
290
Select API from Kotlin Coroutine
5m LT / Shibuya.apk #53 -
https://shibuya-apk.connpass.com/event/356435/
Matsuda Jumpei
June 20, 2025
Tweet
Share
More Decks by Matsuda Jumpei
See All by Matsuda Jumpei
Deep Dive into Kotlin Flow
jmatsu
1
540
Getting Started of Getting Started: Delivery Speed Improvements
jmatsu
0
16
Debugging: A Few Things You Should Know
jmatsu
1
320
Debugging: All you need to know (for simultaneous interpreting)
jmatsu
2
2.9k
Debugging: All you need to know (English Only)
jmatsu
0
320
理解した気になるApplication Signing
jmatsu
1
380
Gradle Convention Plugins
jmatsu
1
2.4k
JCenterをちゃんと差し替える
jmatsu
0
500
Look Back Over Deep Links
jmatsu
0
620
Other Decks in Programming
See All in Programming
『毎日の移動』を支えるGoバックエンド内製開発
yutautsugi
2
290
SwiftDataを使って10万件のデータを読み書きする
akidon0000
0
240
The Past, Present, and Future of Enterprise Java
ivargrimstad
0
490
What Spring Developers Should Know About Jakarta EE
ivargrimstad
0
500
バッチ処理を「状態の記録」から「事実の記録」へ
panda728
PRO
0
190
実践Claude Code:20の失敗から学ぶAIペアプログラミング
takedatakashi
18
8.7k
フロントエンド開発のためのブラウザ組み込みAI入門
masashi
7
3.5k
スキーマ駆動で、Zod OpenAPI Honoによる、API開発するために、Hono Takibiというライブラリを作っている
nakita628
0
320
Reactive Thinking with Signals and the Resource API
manfredsteyer
PRO
0
110
組込みだけじゃない!TinyGo で始める無料クラウド開発入門
otakakot
2
380
Go言語はstack overflowの夢を見るか?
logica0419
0
610
Introduce Hono CLI
yusukebe
6
3.1k
Featured
See All Featured
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
16k
Practical Tips for Bootstrapping Information Extraction Pipelines
honnibal
PRO
23
1.5k
Building Flexible Design Systems
yeseniaperezcruz
329
39k
Visualization
eitanlees
149
16k
Art, The Web, and Tiny UX
lynnandtonic
303
21k
Fashionably flexible responsive web design (full day workshop)
malarkey
407
66k
Docker and Python
trallard
46
3.6k
What's in a price? How to price your products and services
michaelherold
246
12k
"I'm Feeling Lucky" - Building Great Search Experiences for Today's Users (#IAC19)
danielanewman
230
22k
Designing Dashboards & Data Visualisations in Web Apps
destraynor
231
53k
How to Think Like a Performance Engineer
csswizardry
27
2.1k
Typedesign – Prime Four
hannesfritz
42
2.8k
Transcript
4IJCVZBBQL+VNQFJ.BUTVEB LPUMJOYDPSPVUJOFTTFMFDUT 4FMFDU"1*GSPN,PUMJO$PSPVUJOF
2 Jumpei Matsuda @red_fat_daruma A Senior Software Engineer at Drivemode,
Inc. My preferences 👇 Android App and SDK Development Gradle Plugin Development Development Productivity Engineering .F https://www.drivemode.com/
4FMFDU"1*BLB4FMFDU&YQSFTTJPO w Կલ͔Βଘࡏ͢ΔͷʹӨ͕ബ͍ ݸਓͷײͰ͢ w ଞͷྗٕͰॻ͚ͯ͠·͏໘͕ଟ͘ɺؾ͔ͮΕͳ͍ ݸਓͷײͰ͢ w
Կલ͔Βଘࡏ͢Δͷʹͣͬͱ&YQFSJNFOUBM ࣄ࣮Ͱ͢ 3
4FMFDU"1*BLB4FMFDU&YQSFTTJPO w DPSPVUJOFͷͪ߹ΘͤΛએݴతʹදݱͰ͖Δ 4
4FMFDU"1*جຊߏ w TFMFDUCVJMEFS"1* w DMBVTFΛొ͢ΔͨΊͷಛघͳ"1* w TFMFDUDMBVTF"1* w $PNQMFUJPOTVTQFOTJPOQPJOUͷ͋ΔDPSPVUJOFදݱʹੜ͍͑ͯΔ w
FH%FGFSSFE +PC 3FDFJWF$IBOOFM 4FOE$IBOOFM FUD w جຊ࣮JOUFSOBMՄࢹੑͰ࣮ݱ͞Ε͓ͯΓɺ৽نՃࠔ 5
4FMFDU"1*ͷେͷྲྀΕ ˞࣮ࡍʹඇઢܗ࣮ 3FHJTUSBUJPO1IBTF w CVJMEFSͷධՁ֤छTFMFDUDMBVTFΛొ͢Δ 8BJUJOH1IBTF w ొ͞ΕͨTFMFDUDMBVTFͷྃΛػ͢Δ
$PNQMFUJPO1IBTF w ݁ՌऔಘͳͲɺొ͞ΕͨTFMFDUDMBVTFͷย͚ 6
Θ͔ΒΜ 7
&YQFSJNFOUBMͳͷͰͦͦ͜͜ʹ w DPSPVUJOFͷͪ߹Θͤʹ͑Δͱ֮͑Δ w ໋ྩతͰͳ͘એݴతʹදݱͰ͖Δͱ֮͑Δ w ొॱΛέΞ͢ΔTFMFDU͔ɺෆఆͷTFMFDU6OCJBTΛ͍͚Δͱ֮͑Δ w ಉ࣌ʹෳͷDPSPVUJOF͕ऴྃ͢Δ͜ͱك͕ͩ༗ΓಘΔͷͰҙ 8
ར༻ྫFMWJTPQFSBUPSࠈճආ 9
ར༻ྫίϯςΫετͷ͚ 10
ར༻ྫ$IBOOFMࢹύλʔϯ 11
ར༻ྫDPNCJOFͱ[JQͷڱؒ 12 1 2 3 a b c fl PX#
fl PX"
ར༻ྫDPNCJOFͱ[JQͷڱؒ 13 1 2 3 a b c 1a 1b
2b 2c 3c DPNCJOF fl PX# fl PX"
14 1 2 3 a b c 1a 1b 2b
2c 3c 1a 2b 3c DPNCJOF [JQ fl PX# fl PX" ར༻ྫDPNCJOFͱ[JQͷڱؒ
15 1 2 3 a b c 1a 1b 2b
2c 3c 1a 2b 3c DPNCJOF [JQ fl PX# fl PX" 1? 1? 2 2? 3 1 fl PX"ͦͷ··ྲྀͭͭ͠ɺ fl PX#ͷཁૉ͕དྷͨΒɺ࠷৽ͷ "ཁૉͱҰॹʹԿ͔͍ͨ͠ ར༻ྫDPNCJOFͱ[JQͷڱؒ
ར༻ྫDPNCJOFͱ[JQͷڱؒ 16 w ղઆ͚ͩͰ͔͔ΔͷͰׂѪ w ެࣜͷTBNQMFPQFSBUPS͕ࢀߟʹͳΓ·͢
·ͱΊ w DPSPVUJOFͷͪ߹ΘͤΛએݴతʹॻ͚Δ w $PSPVUJOFૢ࡞ʹ͋Γ͕ͪͳωετߏΛݮΒͤΔ w ໋ྩతͳ'MPXૢ࡞ΛએݴతͳදݱʹஔͰ͖Δ w ίʔυͷ࣮ݱྗ͕͕Δ w
ߴͳ$VTUPN'MPX0QFSBUPSΛ࡞Ͱ͖Δ 17