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
유연한 Composable 설계
Search
HyunWoo Lee
July 20, 2024
Programming
0
680
유연한 Composable 설계
Google I/O Extended Korea Andorid 2024에서 진행한 유연한 Composable 설계 발표의 Speaker Deck입니다.
HyunWoo Lee
July 20, 2024
Tweet
Share
More Decks by HyunWoo Lee
See All by HyunWoo Lee
Understanding Kotlin Multiplatform
l2hyunwoo
0
250
파급효과: From AI to Android Development
l2hyunwoo
0
220
선언형 UI에서의 상태관리
l2hyunwoo
0
500
선언형 UI를 학습할 때 알아둬야하는 키워드들
l2hyunwoo
0
430
Essential concepts to know when learning Declarative UI
l2hyunwoo
2
1.4k
React Native under the hood
l2hyunwoo
0
120
KotlinConf 2024 Global in South Korea Keynote
l2hyunwoo
0
120
TextField 씹고 뜯고 맛보고 즐기고
l2hyunwoo
0
440
CDG로 모두와 함께 성장하기
l2hyunwoo
0
200
Other Decks in Programming
See All in Programming
Claude Code で Astro blog を Pages から Workers へ移行してみた
codehex
0
170
MySQL9でベクトルカラム登場!PHP×AWSでのAI/類似検索はこう変わる
suguruooki
1
280
構文解析器入門
ydah
7
2k
Gemini CLIの"強み"を知る! Gemini CLIとClaude Codeを比較してみた!
kotahisafuru
3
920
新世界の理解
koriym
0
130
iOS開発スターターキットの作り方
akidon0000
0
230
Bedrock AgentCore ObservabilityによるAIエージェントの運用
licux
8
560
バイブコーディングの正体——AIエージェントはソフトウェア開発を変えるか?
stakaya
5
720
AI Ramen Fight
yusukebe
0
120
No Install CMS戦略 〜 5年先を見据えたフロントエンド開発を考える / no_install_cms
rdlabo
0
430
商品比較サービス「マイベスト」における パーソナライズレコメンドの第一歩
ucchiii43
0
270
なぜあなたのオブザーバビリティ導入は頓挫するのか
ryota_hnk
5
560
Featured
See All Featured
KATA
mclloyd
31
14k
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
16k
Become a Pro
speakerdeck
PRO
29
5.5k
jQuery: Nuts, Bolts and Bling
dougneiner
63
7.8k
Side Projects
sachag
455
43k
GitHub's CSS Performance
jonrohan
1031
460k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
53
2.9k
The MySQL Ecosystem @ GitHub 2015
samlambert
251
13k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
110
19k
Intergalactic Javascript Robots from Outer Space
tanoku
272
27k
A better future with KSS
kneath
238
17k
Distributed Sagas: A Protocol for Coordinating Microservices
caitiem20
332
22k
Transcript
ਬোೠ Composable ࢸ҅ അ Viva Republica(Toss) Android/React Native Developer
Motivation
None
None
fun RepositoryCard() { Column { Row { Row { Image();
Text(); Chip(); } Image(); } Row { Text(); } Row { Props(); Props(); Props(); } } } private fun Props() { Row { Image(); Text(); } }
fun RepositoryCard() { Column { Title(title = “sept-android”, isPrivate =
false) Description() Row { Language(); Stars(); Forks(); } } } private fun Props() { Row { Image(); Text(); } }
ߣ ࣁ࣌ীࢲח Scalable Consistent Guide Others
Framework Library App
Framework Library App
Think and Plan
ܻח ઁ ࢜۽ Composableਸ ٜ݅ө?
ઁ, যڌѱ ࢜۽ Composableਸ ٜ݅ Ѿबਸ оઉঠೡө?
Single Responsibility Principle(SRP) ೞա ೣࣻ ೞա ଼
Single Responsibility Principle(SRP) ೞա ೣࣻ ೞա ଼
Ѣ ࠺तೠ ਊ۹۽ ডр ߸݅ ਃೠ ҃ Component ࢸ҅ ߑध
Think and Plan ౠ ਃҳࢎ೦ ইצ ҕాػ ࢎ೦ٜਸ ҳഅೞҊ ೞח Composable Ҋࣻળ(Higher level) API ࣻળ(Lower level) API
Ҋࣻળਵ۽ тࣻ۾ ز ח ݺഛ೧Ҋ ழझథ ৈח যઉঠ ೠ Component
ࢸ҅ ߑध Think and Plan
@Composable fun AssistChip( onClick: () -> Unit, label: @Composable ()
-> Unit, modifier: Modifier = Modifier, enabled: Boolean = true, leadingIcon: @Composable (() -> Unit)? = null, trailingIcon: @Composable (() -> Unit)? = null, /* etc */ ) = Chip( modifier = modifier, onClick = onClick, enabled = enabled, label = label, leadingIcon = leadingIcon, trailingIcon = trailingIcon, )
@Composable fun Chip( onClick: () -> Unit, label: @Composable ()
-> Unit, modifier: Modifier = Modifier, enabled: Boolean = true, leadingIcon: @Composable (() -> Unit)? = null, trailingIcon: @Composable (() -> Unit)? = null, /* etc */ ) { Surface( onClick = onClick, modifier = modifier.semantics { role = Role.Button }, enabled = enabled /* etc */ ) { ChipContent( label = label, leadingIcon = leadingIcon, trailingIcon = trailingIcon, /* etc */ ) } }
ӝઓী ח ஹನք݅ਵ۽ ࠙ೞݶ ୶о۽ ٜ݅ ঋইب ػ. ߄௰ܳ ߊݺೞ
݃ۄ Think and Plan
Name and Parameters
Naming
fun FilterChip() fun filterChip() • Composeীࢲ UI ҳࢿਃࣗܳ աఋ ն
• ېझ ӝ ഋधਸ ରਊ fun gdgState(): State fun GdgState(): State • ೣࣻ ֎߁ ӏਸ ࢎਊ • ೣࣻח чਸ ߈ജೞѢա UI ҙ۲ ਃࣗ ٜਸ emit ೧ঠೠ. fun rememberCoroutineScope(): CoroutineScope fun createCoroutineScope(): CoroutineScope • Recompositionীࢲب чਸ ਬೞ ח Ѫਸ द UI ҳࢿਃࣗܳ emitೞח @Composable Name and Parameters чਸ ܻఢೞח @Composable rememberܳ ࢎਊೞח @Composable
// DO!! // InputField @Composable fun InputField(inputState: InputState) {
// ࢎਊ(Call-Site) val inputState = remember { InputState() } Button("Clear input", onClick = { inputState.clear() }) InputField(inputState)
// DON’T!! // InputField @Composable fun InputField(): UserInputState {
// पઁ ࢎਊ Button("Clear input", onClick = { …? }) val inputState = InputField()
1. Chip() 2. BasicTextField() 3. FilterChip() GoogleChip() FeatureXChip() 1. ߄۽
ࢎਊоמೠ ӝࠄ ஹನք 2. ୶оਵ۽ झఋੌ݂ ਃೠ ࣻ ળ ஹನք 3. ౠ Usecaseܳ оҊ ח ஹನ ք val LocalTheme = compositionLocalOf() val ThemeLocal = compositionLocalOf() Prefixing CompositionLocal Name and Parameters
Parameters
@Composable fun Chip( modifier: Modifier, onClick: () -> Unit, )
Chip( modifier = Modifier, onClick = { } ) { // TODO } ಁ۞ఠܳ ݺदਵ۽ ٘۞ղۄ → ಁ۞ఠо যڃ Ѫੋ ࡅܰѱ ঈ оמ Parameters Name and Parameters
// DON’T val LocalChipBorder = compositionLocalOf() @Composable fun Chip( modifier:
Modifier, onClick: () -> Unit, ) { val border = LocalChipBorder.current } ঐद ࢎਊ < ݺद ࢎਊ → CompositionLocal < State Hoisting Parameters Name and Parameters
// DO @Composable fun Chip( border: BorderStroke, ) { //
Set border } ঐद ࢎਊ < ݺद ࢎਊ → CompositionLocal < State Hoisting Parameters Name and Parameters
@Composable fun Chip( modifier: Modifier ) // Call-Site Chip(Modifier.padding(8.dp)) Components
→ define own internal behavior and appearance Modifiers -> modify external Modifiers Name and Parameters
@Composable fun Chip( modifier: Modifier ) @Composable fun Button( modifier:
Modifier = Modifier, ) @Composable fun Card( modifier: Modifier = Modifier, ) Compose ࢎਊٜ Ӓ ஹನք ࢎਊߑߨਸ যוب ఠٙ೮ӝী, যڌѱ ࢎਊೡ Ӓ ಁఢ ۚ ਵ۽ ೧ઉ. Modifiers Name and Parameters
@Composable fun Chip( modifier: Modifier ) UI ਃࣗܳ emitೞח Composable
Modifier ಁ۞ ఠ ࣻ۽ ઓ೧ঠೣ Modifiers Name and Parameters
@Composable fun Chip( label: @Composable () -> Unit, onClick: ()
-> Unit, modifier: Modifier = Modifier ) UI ਃࣗܳ emitೞח Composable Modifier ಁ۞ ఠ ࣻ۽ ઓ೧ঠೣ ݽٚ Optional Parameter о ߣ૩۽ ਤ೧ ঠೣ - First optional parameter Modifiers Name and Parameters
@Composable fun Chip( modifier: Modifier = Modifier ) { Row(modifier
= modifier.size(16.dp) } // Call-site Chip( modifier = Modifier.padding(8.dp) ) UI ਃࣗܳ emitೞח Composable Modifier ಁ۞ ఠ ࣻ۽ ઓ೧ঠೣ ݽٚ Optional Parameter о ߣ૩۽ ਤ೧ ঠೣ - First optional parameter Monoid Type → ಁ۞ఠীࢲ ֈӟ чਸ Ӓ۽ ղ ࠗীࢲ Ӓ۽ ࢎਊоמ + ২࣌ ୶о оמ Modifiers Name and Parameters
@Composable fun Chip( modifier: Modifier = Modifier ) { Row(modifier
= modifier.size(16.dp) } UI ਃࣗܳ emitೞח Composable Modifier ಁ۞ ఠ ࣻ۽ ઓ೧ঠೣ ݽٚ Optional Parameter о ߣ૩۽ ਤ೧ ঠೣ - First optional parameter Monoid Type → ಁ۞ఠীࢲ ֈӟ чਸ Ӓ۽ ղ ࠗীࢲ Ӓ۽ ࢎਊоמ + ২࣌ ୶о оמ ೣࣻ ಁ۞ఠ Modifier ఋੑ ױ ೞաৈঠೣ Modifiers Name and Parameters
@Composable fun Chip( enabled: Boolean, icon: @Composable () -> Unit,
modifier: Modifier = Modifier, shape: Shape = ChipDefaults…, colors: ChipColors = ChipDefaults… ) { Surface( modifier = modifier, enabled = enabled, shape = shape, color = colors.containerColor(enabled) ) { // etc… } } Chip(modifier = Modifier.padding(8.dp)) Modifiers or explicit parameters? ஹನ࠶ ೯زҗ UIܳ ೞח чੋؘ Modifierী ֍ਸ ࣻ হח ఋੑ → Explicit Parameters Modifier۽ ֍ਸ ࣻ ח ఋੑ → Modifier Name and Parameters
@Composable fun Chip( onClick: () -> Unit, enabled: Boolean, icon:
@Composable () -> Unit, modifier: Modifier = Modifier, shape: Shape = ChipDefaults…, colors: ChipColors = ChipDefaults…, content: @Composable () -> Unit, ) Ordering 1. Required Params 2. Modifier 3. Optional Params 4. @Composable content params Name and Parameters
@Composable fun Chip( onClick: () -> Unit, enabled: Boolean, icon:
@Composable () -> Unit, modifier: Modifier = Modifier, shape: Shape = ChipDefaults…, colors: ChipColors = ChipDefaults…, content: @Composable () -> Unit, ) Ordering 1. Required Params 2. Modifier 3. Optional Params 4. @Composable content params Name and Parameters
@Composable fun Chip( onClick: () -> Unit, modifier: Modifier =
Modifier, enabled: Boolean = true, shape: Shape = ChipDefaults.shape, colors: ChipColors = ChipDefaults…, icon: @Composable () -> Unit? = null, content: @Composable () -> Unit, ) Default and nullable Empty Nullable Default Ҷ হযب غח ӝמ ੑ۱ ਃೣ, ೞ݅ ࠼ ч ٜযоب ؽ ࠺যਵݶ উغח ч Name and Parameters
@Composable fun Chip( onClick: () -> Unit, modifier: Modifier =
Modifier, enabled: Boolean = true, elevation: Dp = 8.dp shape: Shape = ChipDefaults.shape, colors: ChipColors = ChipDefaults…, icon: @Composable () -> Unit? = null, content: @Composable () -> Unit, ) Styling Defaults Inline ૣҊ ஏоמೠ ҃ ӝࠄч ݆ ਃೠ ҃ ࢚కчী ٮۄ ࠙ӝо ܻغযঠ ೞח ҃ Name and Parameters
@Composable fun Chip( onClick: () -> Unit, shape: Shape =
ChipDefaults.shape, colors: ChipColors = ChipDefaults…, ) object ChipDefaults { val shape = InputChip.ContainerShape fun colors(): ChipColors fun elevation(): ChipElevation } Styling Defaults Inline ૣҊ ஏоמೠ ҃ ӝࠄч ݆ ਃೠ ҃ ࢚కчী ٮۄ ࠙ӝо ܻغযঠ ೞח ҃ Name and Parameters
// Kotlin 2.2 Experimental dataarg class ChipColors( container: Color, label:
Color ) @Composable fun Chip( onClick: () -> Unit, modifier: Modifier = Modifier, enabled: Boolean = true, dataarg colors: ChipColors, ) Chip( onClick = {}, container = Color(…) ) // Kotlin Language Features in 2.0 and beyond https://www.youtube.com/watch?v=tAGJ5zJXJ7w // ೠҴয ߡ (KotlinConf’24 Global South Korea) https://speakerdeck.com/dalinaum/recap-kotlin- language-features-in-2-dot-0-and-beyond- michail-zarecenskij Styling Defaults Inline ૣҊ ஏоמೠ ҃ ӝࠄч ݆ ਃೠ ҃ ࢚కчী ٮۄ ࠙ӝо ܻغযঠ ೞח ҃ Name and Parameters
@Composable fun Chip( icon: @Composable () -> Unit? = null,
label: @Composable () -> Unit, ) Slots Single Slot Mutliple Slots content ಁ۞ఠ ݺद ಁ۞ఠ ഐױীࢲ ஹನքܳ ೧ࢲ ੑೞݶ ղࠗীࢲ ܳ ഝਊ೧ࢲ UIܳ ҳࢿೞח ߑध Name and Parameters
@Composable fun Chip( enalbled: Boolean = true, ) Chip( enabled
= true ) State State Hoistingਸ ӝ߈ਵ۽ غب۾ݶ ৻ࠗীࢲ ࢚కܳ ҙܻೡ ࣻ ب۾ ೞۄ Name and Parameters
@Composable fun Chip( enalbled: Boolean = true, onClick: () ->
Unit, ) // call-site Chip( enabled = true onClick = { } ) Events ࢚కח ৻ࠗীࢲ ઑೡ ࣻ ݅ ஹನքীࢲ ৻ࠗী नഐܳ ߉ਸ ࣻ ח ߑߨ ۈ ۄఠ۽ ѐߊо ߮ܳ ೡ ࣻ Name and Parameters
Conclusion
ೞա ஹನքח ೞա ଼ਸ APIܳ ਬোೞѱ ࢸ҅ೞ۰ݶ? Conclusion ୶࢚ചػ ࣻળ
APIܳ ӝ߈ਵ۽ Ҋࣻળ APIܳ ѐߊ оةࢿ જ Naming & Parameter ஶ߮࣌ Composableਸ ҳࢿೞח নೠ ਃࣗܳ Ҋ۰ • Slots • State • Event
Thank You HyunWoo Lee nunu.tv | toss Android (React Native)
Developer