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
Etat des lieux de l'écosystème de Kotlin en 2024
Search
yostane
November 12, 2024
Programming
73
0
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
Etat des lieux de l'écosystème de Kotlin en 2024
yostane
November 12, 2024
More Decks by yostane
See All by yostane
[Fork It! Tunis 2025] How I Ported Doom to the Browser with WebAssembly
yostane
0
69
[TnT 2025] Comment j'ai porté Doom sur navigateur grâce au Web Assembly
yostane
0
40
[FOSDEM 2023] How I Ported Doom to the Browser with WebAssembly
yostane
0
65
[DevoxxUK 2024] Using WASM to port games to the browser: the BlazorDoom use case
yostane
0
61
[DevoxxBe 2024] Run your favorite games everywhere with WASM: the BlazorDoom use case
yostane
0
49
[TNT25] Etat des lieux de l'écosystème de Kotlin en 2024]
yostane
0
52
Adding fun to API development with Kotlin
yostane
0
170
[DroidKaigi 2024] You’ll 💜 Becoming a FullStack Developer with your Android skills!
yostane
0
60
You’ll 💜 Kotlin and not only for Android!
yostane
0
69
Other Decks in Programming
See All in Programming
KotlinConf Extended South Korea 2026 Keynote
l2hyunwoo
0
110
Hono + Inertia + React で LP を構築した話
oukayuka
2
110
Built Our Own Background Agent at LayerX
layerx
PRO
10
5.9k
Pythonの実行はどこまで賢くなったのか? CPythonとPyPyから見る最適化のしくみ
curekoshimizu
0
190
夏だ!祭りだ!祭りとはドメインモデリングでは?
ryugen04
0
340
Flow は今どうなっているか
mizdra
PRO
0
660
人間の目はかわらない、だからJPEGは30年もつ
yuzneri
12
19k
複数の Claude Code が"放置"されてしまう問題をCLI ダッシュボードを自作して解決した話
sumihiro3
1
710
Jindong: Introducing Declarative Haptics in Compose Multiplatform
l2hyunwoo
0
120
FDEが実現するAI駆動経営の現在地
gonta
2
290
ソフトウェアラスタライザ
fadis
0
180
生成AI導入の「期待外れ」を乗り越える ー 開発フロー改革が目指す、真の組織変革
starfish719
0
5k
Featured
See All Featured
Principles of Awesome APIs and How to Build Them.
keavy
128
18k
Winning Ecommerce Organic Search in an AI Era - #searchnstuff2025
aleyda
1
2.1k
Designing Experiences People Love
moore
143
24k
How People are Using Generative and Agentic AI to Supercharge Their Products, Projects, Services and Value Streams Today
helenjbeal
1
270
Navigating Weather and Climate Data
rabernat
0
490
Bootstrapping a Software Product
garrettdimon
PRO
306
120k
HTML-Aware ERB: The Path to Reactive Rendering @ RubyCon 2026, Rimini, Italy
marcoroth
3
460
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
smashingmag
254
22k
Optimising Largest Contentful Paint
csswizardry
37
3.9k
The Cost Of JavaScript in 2023
addyosmani
55
10k
How to Grow Your eCommerce with AI & Automation
katarinadahlin
PRO
1
250
The Illustrated Children's Guide to Kubernetes
chrisshort
51
53k
Transcript
Etat des lieux de l'écosystème de Kotlin Paris JUG 12/11/2024
- 1
Il était une fois un Devoxx 2024 2 Viens en
parler au ParisJug Sais-tu tout ce que peut faire Kotlin ?
3
Yassine Benabbas DevRel, Enseignant Lille Android User Group @yostane in/benabbasyassine
- 4
- 5 blog.worldline.tech youtube.com/@TechAtWorldline
Agenda 6 Langage KMP Dev Front Dev Back Data Science
Langage 7
Kotlin idiomatique • Coder avec les conventions et capacités du
langage • Par ex. : définir des fonctions getters et setters n’est pas idiomatique en Kotlin 8 https://wrl.li/idiom-kt-01
youtrack.jetbrains.com/issue/KT-43871 Litéraux de collections (en discussion) - 9
Et bien d’autres … Explicit backing field Array Literals guards
Infinite loop github.com/Kotlin/KEEP x.com/kotlin Multi-field value classes Context parameters Kotlin statics and static extensions HexFormat - 10
Kotlin Multiplatform (KMP) 11
KMP: principe 12 Compiler backend Kotlin/ JVM Kotlin/ JS Kotlin/
Native Kotlin/ Wasm iOS Desktop Browser Android Backend Data science Compiler frontend Outillage Librairies Program.kt
13
KMP: principe 14 Compiler backend Kotlin/ JVM Kotlin/ JS Kotlin/
Native Kotlin/ Wasm iOS Desktop Browser Android Backend Data science Compiler frontend Outillage Librairies Program.kt
Compiler backend Kotlin/ JVM Kotlin/ JS Kotlin/ Native Kotlin/ Wasm
iOS Desktop Browser Android Backend Data science Compiler frontend Outillage Librairies 15 Code qui dépend du JDK / JVM
Compiler backend Kotlin/ JVM Kotlin/ JS Kotlin/ Native Kotlin/ Wasm
iOS Desktop Browser Android Backend Data science Compiler frontend Outillage Librairies 16 Code qui dépend du JDK / JVM
Compiler backend Kotlin/ JVM Kotlin/ JS Kotlin/ Native Kotlin/ Wasm
iOS Desktop Browser Android Backend Data science Compiler frontend Outillage Librairies 17 Code qui utilise UIKit (iOS)
Compiler backend Kotlin/ JVM Kotlin/ JS Kotlin/ Native Kotlin/ Wasm
iOS Desktop Browser Android Backend Data science Compiler frontend Outillage Librairies 18 Code qui utilise UIKit (iOS)
Compiler backend Kotlin/ JVM Kotlin/ JS Kotlin/ Native Kotlin/ Wasm
iOS Desktop Browser Android Backend Data science Compiler frontend Outillage Librairies 19 Code multiplateformes mobile
Compiler backend Kotlin/ JVM Kotlin/ JS Kotlin/ Native Kotlin/ Wasm
iOS Desktop Browser Android Backend Data science Compiler frontend Outillage Librairies 20 Code multiplateformes mobile
Compiler backend Kotlin/ JVM Kotlin/ JS Kotlin/ Native Kotlin/ Wasm
iOS Desktop Browser Android Backend Data science Compiler frontend Outillage Librairies 21 Code multiplatformes
22 KMP: structure
23
24 Un monorepo … Comment !
KMP : implémentations spécifiques expect fun getPlatform(): String - 25
KMP : implémentations spécifiques actual fun getPlatform() = "Android ${android.os.Build.VERSION.SDK_INT}"
actual fun getPlatform() = "iOS ${UIDevice.currentDevice.systemVersion}" expect fun getPlatform(): String - 26
- 27
KMP: modes d’intégration - 28
Développement Frontend 29
Plusieurs choix JVM Pure Kotlin Kotlin/JS - WASM Compose JavaFx
React Exemple 30
??? 31
JafaFx + KtFX 32
@composable fun MyComposableView(){ Box(contentAlignment = Alignment.Center, modifier = Modifier.fillMaxWidth().fillMaxHeight()) {
Card(shape = RoundedCornerShape(8.dp), modifier = Modifier.padding(10.dp), ) { Column(horizontalAlignment = Alignment.CenterHorizontally) { Text(text = "Quiz", fontSize = 30.sp, modifier = Modifier.padding(all = 10.dp) ) Text(text = "A simple Quiz to discovers KMP, KMM and compose.", modifier = Modifier.padding(all = 10.dp)) Button(Text("Start the Quiz"), modifier = Modifier.padding(all = 10.dp), onClick = { } ) } } } Title 8:30 Start the Quiz Quizz A simple Quizz to discovers KMP, KMM and compose Compose multiplatform: UI déclarative Repose sur Skia et Skiko - 33
???? Fait intéressant 34 SwingX Romain Guy
- 35
wrl.li/quizapp 36
DEMO TIME KMP + compose 37
Développement backend 38
Plusieurs choix JVM Pure Kotlin Kotlin/JS - WASM Examples 39
DSL restassured DSL de test + nommage des fonctions avec
des phrases - 40
ExpressJS En Kotlin - 41
Ktor server Par JetBrains • Gratuit et open source •
Usage de DSLs • Fonctionnalités de base • Plugins - 42
- 43
- 44
- 45 https://wrl.li/ktorserverdemo
Etudes de cas https://kotlinlang.org/lp/server-side/case-studies 46
Data science 47
Jupyter Notebook • Markdown + code + sa sortie dans
un fichier « .ipynb » • Format bien supporté: Jupyter lab, Datalore, VSCode, IntelliJ, GitHub ... • Support des langages via des Kernels (Kotlin maintenu par JetBrains) 48
Librairies essentielles Kandy Dataframe 49
50
51
52
53 https://wrl.li/kandystats
54
55
- 56 https://wrl.li/kotlindatasciencedemo
Conclusion 57
Kotlin en 2024 Back Data science Front Infra, Scripting, Gradle,
… 58
Kotlin en 2024 Back Data science Front Infra, Scripting, Gradle,
… 59 Fondation Kotlin
• Frontend : Compose, JavaFx • Backend : Ktor, Spring,
Quarkus • Datascience : le kernel Kotlin utilise le JDK • Kotlin est interopérable avec Java 60 Kotlin JVM
Kotlin training KMP training Merci pour votre attention Des questions
? 61 Diapos