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 Multiplatformで実現するクロスプラットフォームの卓越性
Search
ソニー株式会社
August 05, 2025
Technology
0
35
Kotlin Multiplatformで実現するクロスプラットフォームの卓越性
ソニー株式会社
August 05, 2025
Tweet
Share
More Decks by ソニー株式会社
See All by ソニー株式会社
三菱電機・ソニーグループ共同の「Agile Japan企業内サテライト」_2025
sony
0
0
iOSDC2025_ソニーのKMP/CMP挑戦記
sony
1
840
KotlinConf 2025_イベントレポート
sony
1
170
GitHubを使いこなすためにソニーの開発現場が取り組んでいるプラクティス
sony
0
44
FinOps_の考えをベースにした継続的なコスト改善の取り組み
sony
0
10
ハードとともに歩むアジャイル開発
sony
0
6
Fultterによるクロスプラットフォーム開発_bravia_connect
sony
0
10
コード共通化の取り組み_headphones_connect
sony
0
8
ソニーにおけるプロダクトマネジメント事例紹介
sony
0
12
Other Decks in Technology
See All in Technology
非同期処理実行基盤 Delayed脱出 → Solid Queue完全移行への旅路。
srockstyle
3
1.2k
about #74462 go/token#FileSet
tomtwinkle
1
260
5年間のFintech × Rails実践に学ぶ - 基本に忠実な運用で築く高信頼性システム / 5 Years Fintech Rails Retrospective
ohbarye
9
3.3k
Function calling機能をPLaMo2に実装するには / PFN LLMセミナー
pfn
PRO
0
580
履歴 on Rails: Bitemporal Data Modelで実現する履歴管理/history-on-rails-with-bitemporal-data-model
hypermkt
0
1.7k
pprof vs runtime/trace (FlightRecorder)
task4233
0
140
業務自動化プラットフォーム Google Agentspace に入門してみる #devio2025
maroon1st
0
170
【新卒研修資料】LLM・生成AI研修 / Large Language Model・Generative AI
brainpadpr
21
13k
Railsアプリケーション開発者のためのブックガイド
takahashim
12
5.1k
Geospatialの世界最前線を探る [2025年版]
dayjournal
2
430
全てGoで作るP2P対戦ゲーム入門
ponyo877
3
1.2k
日経が挑戦するデータ民主化 ~ セルフサービス基盤がもたらす利点と苦悩~/nikkei-tech-talk-37
nikkei_engineer_recruiting
0
210
Featured
See All Featured
Building a Modern Day E-commerce SEO Strategy
aleyda
43
7.7k
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
52
5.6k
Practical Orchestrator
shlominoach
190
11k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
30
2.9k
Navigating Team Friction
lara
189
15k
Fantastic passwords and where to find them - at NoRuKo
philnash
52
3.4k
Making Projects Easy
brettharned
118
6.4k
Testing 201, or: Great Expectations
jmmastey
45
7.7k
The Cost Of JavaScript in 2023
addyosmani
53
9k
Building a Scalable Design System with Sketch
lauravandoore
462
33k
What’s in a name? Adding method to the madness
productmarketing
PRO
23
3.7k
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
18
1.2k
Transcript
ΧϦϧɹηϧδΦ TechLead | Sony ιχʔͷKotlin Multiplatform Kotlin MultiplatformͰ࣮ݱ͢ΔΫϩεϓϥοτϑΥʔϜͷӽੑ
About me Engineer Agilist
1. iOS & Android 2. Background 3. Leverage knowledge Requirements
2019
2019 2020 2021 2022 2023 2024 180.000 MAU Fast releases
3 apps
Requirements Decision making Success W/ KMP A Blueprint
Agenda 1. AutoPlay app 2. AutoPlay in “Sony | Sound
Connect” 3. Decision making 4. Key points
1. AutoPlay App with Kotlin Multiplatform
2021 2022 2023 2024 2025 Dev Market Market AutoPlay Dev
Auto Play Supported Devices
AutoPlay Sensing Context Action data trigger
Sensing Context Action Android / iOS Background Hardware Knowhow
Kotlin Multiplatform (KMP) Native UIs Kotlin Multiplatform logic Bytecode LLVM
JavaScript JVM Native JS
expect/actual Common expect fun / class actual fun / class
actual fun / class
expect fun randomUUID: String import java.util.* actual fun randomUUID() =
UUID.randomUUID().toString() import platform.Foundation.NSUUID actual fun randomUUID(): String = NSUUID().UUIDString() Common expect/actual
Requirements 1. iOS & Android 2. Background 3. Leverage knowledge
4. Hardware integration
AutoPlay w/ KMP
• 20,000 MAU • Fast high-quality releases Successes • Build
system • Dev. Environment • Skillset Challenges
2. AutoPlay in Sony | Sound Connect with Compose Multiplatform
None
~2024/10 Architecture Build system Architecture Build system Users
2024/10~ Architecture Architecture Build system Users
Requirements 1. iOS & Android 2. Background 3. Leverage knowledge
4. Hardware integration 5. Simplify building system
Compose Multiplatform https://www.jetbrains.com/help/kotlin-multiplatform-dev/compose-multiplatform-and-jetpack-compose.html Jetpack Compose KMP
https://www.youtube.com/watch?v=0L1VFm7o4MU KMP Compose MP
AutoPlay w/ Compose Multiplatform
Code Base Old AutoPlay New AutoPlay
• 2 releases • 155,000+ MAU • Narrow skillset Successes
• NA (too early) Challenges
3. Decision Making and lessons learned
Platform analysis
Sony Adoption 2019 2020 2021 2022 2023 2024 Kotlin 1.3:
Alpha M P KM M introduced (Beta) KM P Stable C om pose iO S Alpha C om pose iO S Beta
Decision Making 1. Use-case based 2. Tooling 3. Ecosystem 4.
Community Experimentation
KMP Adoption https://developers.googleblog.com/en/google-kotlinconf-2024-a-look-inside-multiplatform-development-with-kmp-and-more/
T he State of KMP AutoPlay 1.0 https://blog.jetbrains.com/kotlin/2023/11/kotlin-multiplatform-stable/
4. Key Points
Key Points 1. Use-case fi t w/ KPM & Compose
2. Decision process 3. Experimentation to avoid risk
Just, try it! “Frameworks are just tools”
Q & A