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
iOSDC2025_ソニーのKMP/CMP挑戦記
Search
ソニー株式会社
September 19, 2025
1
940
iOSDC2025_ソニーのKMP/CMP挑戦記
ソニー株式会社
September 19, 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
180
KotlinConf 2025_イベントレポート
sony
1
210
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
74
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
12
Fultterによるクロスプラットフォーム開発_bravia_connect
sony
0
12
コード共通化の取り組み_headphones_connect
sony
0
8
Kotlin Multiplatformで実現するクロスプラットフォームの卓越性
sony
0
62
ソニーにおけるプロダクトマネジメント事例紹介
sony
0
15
Featured
See All Featured
The Invisible Side of Design
smashingmag
302
51k
Statistics for Hackers
jakevdp
799
220k
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
127
54k
Stop Working from a Prison Cell
hatefulcrawdad
271
21k
Testing 201, or: Great Expectations
jmmastey
45
7.7k
Design and Strategy: How to Deal with People Who Don’t "Get" Design
morganepeng
132
19k
Building an army of robots
kneath
306
46k
Building Applications with DynamoDB
mza
96
6.7k
Rails Girls Zürich Keynote
gr2m
95
14k
[RailsConf 2023] Rails as a piece of cake
palkan
57
5.9k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
37
2.6k
RailsConf 2023
tenderlove
30
1.3k
Transcript
@sergiocarrilho Sergio Carrilho ソニーのKMP/CMP挑戦記 Sony’s Story with KMP/CMP TechLead |
Sony
iOSエンジニアの可能性を広げる ソニーがKotlin/Compose Multiplatformに挑戦した理由 (あなたもぜひ)
iOSエンジニアの可能性を広げる ソニーがKotlin/Compose Multiplatformに挑戦した理由 (あなたもぜひ????)
01 Why KMP/CMP 02 How we did it? 03 Should
you do it?
None
2018
>>Next project...
UI UI Biz Logic Biz Logic Until now
UI UI Goal Biz Logic
Sensing trigger Context Action data
Requirement 1.iOS & Android 2.High performance 3.Platform APIs (BLE, GPS,
BG...)
Why
UI UI Business/Domain Data/Core iOS APIs Android APIs iOS Android
KMP (shared)
Native UIs Bytecode LLVM Kotlin Multiplatform JVM Kotlin/Native
Bytecode LLVM Kotlin Multiplatform JVM Kotlin/Native iOS framework
expect fun / class actual fun / class actual fun
/ class Common
expect fun randomUUID(): String import java.util.* actual fun randomUUID() =
UUID.randomUUID().toString() import platform.Foundation.NSUUID actual fun randomUUID(): String = NSUUID().UUIDString() Common
HOW Part 2
Hexagonal Architecture
None
Core: Biz logic, platform agnostic
Core: Biz logic, platform agnostic Platform: iOS/Android
Platform: iOS/Android Core: Biz logic, platform agnostic External / cloud:
Sensor, biz intelligence
Platform: iOS/Android Core: Biz logic, platform agnostic Adapters External /
cloud: Sensor, biz intelligence
2021 2023
2023
2023 Sony | Headphones Connect Sony | Sound Connect
Compose Multiplatform
UI UI Business/Domain Data/Core Presentation Presentation iOS Android KMP(shared) Kotlin
Multiplatform
iOS specific Android specific Business/Domain Data/Core iOS Android KMP(shared) Compose
Multiplatform UI Presentation
None
None
iOS Android
None
Maps
None
Results
55 55% % iOS iOS users P E R P
L AT FO R M
Code L A N G U AG E D I
ST. 80 20 Multiplatform Native
SHOULD YOU DO IT? Part 3
it depends...
Stick to iOS if... You want full iOS UX Target
market is iOS
Try KMP/CMP if... iOS Dev → Mobile Dev Expand to
other platforms A lot of common biz logic (>10%)
start
None
None
Kotlin/Swift Mapping Kotlin Swift Class Class Interface Protocol Constructor Initializer
Property Property Method Method null nil Kotlin Swift Unit Void String String List Array Set Set Map Dictionary Function type Function type
suspend vs async
None
iOS/Android dev Development Duplication Unification Mobile dev Users
TRY IT just
None