What's new in Android IO23 Daejeon

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What’s New In Android Daejeon ߓ೙઱  GDG Android Korea, ֎੉ߡઁ౟ veronikapj

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Android Studio Bot Kotlin / Compose + 1 Form Factors

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Android Studio Bot Kotlin / Compose ѐੋ੿ࠁ ࠁഐ ߂ ࠁউ Form Factors

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ѐੋ੿ࠁ ࠁഐ ߂ ࠁউ

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ѐੋ ੿ࠁ ࠁഐ ߂ ࠁউ https://developer.android.com/about/versions/14/changes/partial-photo-video-access?hl=ko ࢎ૓ & ز৔࢚ ੌࠗ(ࢶఖೠ Ѫ݅) ঘࣁझ ӂೠ ࠗৈ READ_MEDIA_VISUAL_USER_SELECTED ࢎ૓ ߂ ز৔࢚ ࢶఖ : Android14 ੄ ࢜۽਍ ӝמ ݽف ೲਊ : ੹୓ ӂೠ ೲਊ উೣ : ঘࣁझ Ѣࠗ

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ѐੋ ੿ࠁ ࠁഐ ߂ ࠁউ https://developer.android.com/about/versions/14/behavior-changes-14?hl=ko ঐद੸ ੋబ౟ח ੉ઁ Ӓ݅ = ঈࢿ জ੉ জ੄ ղࠗ Componentীࢲ ࢎਊೡ ঐद੸ ੋబ౟ܳ о۽଻૑ ޅೞѱ ؾפ׮. val intent = Intent("com.example.app.PAY") startActivity(intent) Exception ߊࢤ

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ѐੋ ੿ࠁ ࠁഐ ߂ ࠁউ https://developer.android.com/guide/components/intents-filters?hl=ko#Receiving ঐद੸ ੋబ౟ীח Exported Component ݅ ࢎਊ оמ! ঐद੸ ੋబ౟ ࢎਊ ࠛо

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ѐੋ ੿ࠁ ࠁഐ ߂ ࠁউ https://developer.android.com/guide/components/intents-filters?hl=ko#Receiving ?? exported=“true” ??

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ѐੋ ੿ࠁ ࠁഐ ߂ ࠁউ https://developer.android.com/topic/security/risks/android-exported?hl=ko exported=“true” ?? • true ݽٚ জ੉ Activityী ঘࣁझೡ ࣻ ੓Ҋ प೯ೡ ࣻ ੓णפ׮ • false (Default) э਷ গ೒ܻா੉࣌ী ੓ח ҳࢿਃࣗա زੌೠ ࢎਊ੗ IDܳ о૓ গ೒ܻ ா੉࣌ ژח ӂೠ੉ ੓ח दझమ ҳࢿਃࣗ݅ Activityਸ प೯ೡ ࣻ ੓ण פ׮.

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ѐੋ ੿ࠁ ࠁഐ ߂ ࠁউ https://developer.android.com/topic/security/risks/android-exported?hl=ko exported=“true” • true ݽٚ জ੉ Activityী ঘࣁझೡ ࣻ ੓Ҋ प೯ೡ ࣻ ੓णפ׮ ࢲ࠺झ Ѣࠗ ҕѺ(DoS), জ੄ ղࠗ ӝמਸ ࣻ੿ೞӝ ਤ೧ ղࠗ Componentী ࠗ੸੺ೞѱ ঘࣁझೞח ׮ܲ জ, ޹хೠ ੿ࠁ ਬ୹, ஂডೠ গ೒ܻா੉࣌ ஶఫझ౟ীࢲ ௏٘ प೯

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ѐੋ ੿ࠁ ࠁഐ ߂ ࠁউ ࠺޻ߣഐ হח ࣁ࢚, Passkey ૑ਗ https://github.com/android/identity-samples/ CredentialManager Credential Manager API 1. জীࢲ Google ҅੿ ࢶఖ 2. Face / ૑ޙ / ചݶ pin ਫ਼Ә ೧ઁ

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জীࢲ ҅੿ ࢤࢿ ҳӖ ҅੿ োز ਫ਼Ә ߑध ࢶఖ ૑ޙ / PIN / Face ੋૐ (झ௼ܽࢫ ࠛо) ࢿҕ ! জীࢲ ҅੿ ࢤࢿೞӝ https://github.com/android/identity-samples/CredentialManager

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Kotlin / Compose

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Kotlin Kotlin Multiplatform Beta https://kotlinlang.org/docs/multiplatform.html#get-started

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Kotlin Multiplatform Jetpack libraries https://kotlinlang.org/docs/multiplatform.html#get-started Annotations 1.7.0-alpha02 Collections 1.3.0-alpha04 DataStore 1.1.0-alpha03

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Compose for TV https://kotlinlang.org/docs/multiplatform.html#get-started

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Compose for TV TvLazyColumn { items(contentList) { content -> TvLazyRow { items(content) { cardItem -> Card(cardItem) } } } Alpha

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Compose for Widget Jetpack Glance Beta

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Compose for New Layouts Flow Layout Pager

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Compose Pager https://developer.android.com/jetpack/compose/layouts/pager HorizontalPager(pageCount = 10) { // Our page content Text( text = "Page: $page", modifier = . . . ) }

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Compose Pager https://developer.android.com/jetpack/compose/layouts/pager VerticalPager(pageCount = 10) { // Our page content Text( text = "Page: $page", modifier = . . . ) }

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Flow layouts in Compose https://developer.android.com/jetpack/compose/layouts/flow FlowRow( . . . ) { // Flow content } FlowColumn( . . . ) { // Flow content } о۽ ࣁ۽

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Compose Compose Libraries Glide Google Map com.github.bumptech.glide:compose Alpha com.google.maps.android:maps-compose

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Compose Compose Debugging “Composableীࢲ recomposing੉ ੌযաҊ ੓חؘ ੷ח যڃ ౵ۄ޷ఠо ਗੋ੉ غח ૑ ݽܰѷযਃ” Debugging Jetpack Compose IO23: https://youtu.be/Kp-aiSU8qCU

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Compose Recomposition State

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Compose Recomposition State > Podcasts = Unstable > onTogglePodcastFollowed = Uncertain > Modifier = static Android Studio Hedgehog Unchanged : ߸҃غ૑ ঋ਺ Changed : ׮ܲ чਵ۽ ߸҃ؽ Uncertain : ੉ ч੉ ߸҃ ؼ૑ ݈૑ ই૒ Ѿ੿غ૑ ঋ਺ State : ੺؀ ч੉ ߄Շ૑ ঋ਺ Unstable : ࠛউ੿ೠ ఋੑ Debugging Jetpack Compose IO23 https://youtu.be/Kp-aiSU8qCU

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Form Factors

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Form Factors ಪ ࢲ࠺झࠁ׮ క࠶݁ীࢲ ਬ੷ ࢎਊदр 70% ૐо How to build great Android apps for large screens and foldables IO23 : https://youtu.be/5JQjk3ZqPWc

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Form Factors ਋ܻ੄ അप? Letterbox https://developer.android.com/guide/practices/enhanced-letterboxing

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Form Factors https://developer.android.com/guide/practices/enhanced-letterboxing Size compatibility mode (ࢎ੉ૉ ഐജࢿ ݽ٘) (Android 12L ੉࢚) জ ചݶ ߑೱ੉ Ҋ੿غয ੓Ѣա ௼ӝܳ ઑ੿ೡ ࣻ হח ҃਋ दझమীࢲ Letterbox ୊ܻ ࢎਊ੗ח ݽٚ জਸ Multi-window ݽ٘۽ ੹ജ оמ app configurationী ҙ҅হ੉ ٣߄੉झܳ о۽ ژח ࣁ۽۽ ഥ੹ೞח Ѫ੉ оמ

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Form Factors https://developer.android.com/guide/practices/enhanced-letterboxing#app_con fi guration

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Form Factors https://developer.android.com/guide/practices/enhanced-letterboxing#app_con fi guration

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Form Factors Configuration Changes https://developer.android.com/guide/topics/resources/ runtime-changes?hl=ko ചݶ ੽ӝ, ഥ੹ ചݶ ࢎ੉ૉ ߸҃, ژח Multi-window ݽ٘ ؀ഋ ചݶ ӝӝীࢲ ੌ߈੸ override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) val configurations = resources.configuration configurations.screenWidthDp configurations.screenHeightDp configurations.orientation configurations.layoutDirection configurations.fontScale configurations.fontWeightAdjustment configurations.densityDpi configurations.locales }

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Form Factors class MainActivity : Activity() { lateinit var state: SomeState } Crash ઱੄! Configuration Changes Activity ੤ࢤࢿ lateinit var ૑ਕ૗ ଵઑೞѱ غݶ Crash!

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Form Factors Best practices for saving UI state on Android IO23 : https://youtu.be/V-s4z7B_Gnc Save UI State ӝӝܳ ഥ੹ दఃѢա ੽঻ਸ ٸ, ೞ؍ ੘সਸ ਬ૑ೡ ࣻ ੓ب۾

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Form Factors Tablet ӝળ਷? https://developer.android.com/guide/topics/large-screens/support-different-screen-sizes#window_size_classes

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Form Factors https://developer.android.com/docs/quality-guidelines/large-screen-app-quality?hl=ko ؀ചݶ ૑ਗ ഐജࢿ ୓௼ܻझ౟ ؀ഋ ചݶ ૑ਗ Tier 3 (ӝࠄ) ؀ഋ ചݶ ୭੸ച Tier 2 (਋ࣻ) ؀ഋ ചݶ ର߹ച Tier 1 (୭Ҋ) জ੉ ੹୓ചݶ, ݣ౭ਦب਋ ૑ਗ Letterbox ୊ܻ غ૑ ঋ਺ ഐജࢿ ݽ٘о ইש ఃࠁ٘, ݃਋झ ١ ৻ࠗ ੑ۱੢஖ ૑ਗ ݽٚ ചݶ ௼ӝ ߂ ҳࢿী ݏѱ ۨ੉ইਓ ୭੸ച ৻ࠗ ੑ۱੢஖ Ҋә ૑ਗ క࠶݁, ಫ؊࠶, ChromeOS ׮নೞҊ ୭੸੄ ࢎਊ੗ ജ҃ ૑ਗ ݣ౭కझఊ, ಫ؊࠶, ٘ېӒ & ٘܂ झఋੌ۞झ ੑ۱ ૑ਗ

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Wear OS https://developer.android.com/wear?hl=ko Wear OS ࢜۽਍ ӝמٜ Ongoing Activities API ஠٘ Watch Face Studio ૓೯ ઺ੋ ഝزਸ ಴द о੢ ݆੉ ࢎਊೞח ੿ࠁ৬ ੘সী ࡅܰѱ ঘࣁझ ௏٬ হ੉ ݅٘ח द҅ചݶ ٣੗ੋ

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Wear OS https://developer.android.com/wear?hl=ko Ongoing Activities API ఋ੉ݠ ղ࠺ѱ੉࣌ ࣁࠗ ҃۽ উղ ޷٣য ੤ࢤ ૓೯ ઺ੋ ഝزী ؀೧ ૑ࣘ੸ੋ ঌܿਸ ಴द

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https://developer.android.com/wear?hl=ko Wear OS Card զॿ ഛੋ ఋ੉ݠ ࢸ੿ ೖ౟פझ ૓೯ ࡅܲ ਍ز द੘ ֢ې ੤ࢤ झா઴ ૌѹ ଺ח োۅ୊ Tile API

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Wear OS Watch Face Studio (द҅ ചݶ झౚ٣য়) Wear 3.0 (API 30) ੉࢚

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Form Factors https://developer.android.com/design/ui Design Hub Design for Mobile Expand to large screens Glance at Wear OS Design for TV пઙ ࢠ೒ ௏٘ ನೣ

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Android Studio

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Android Studio Stable 2023.04 What's new in Android development tools IO23 : https://youtu.be/7lubRrkxagk https://developer.android.com/studio/releases?hl=ko • Preview ૑ਗ Themed app icons (Android 13) Dynamic Color(Material 3) • Live Edit Update (पदр ࣻ੿ ߈৔) • Compose Profiler • Network Inspector ౟ې೗ о۽଻ӝ • App Quality Insight ೙ఠ ߂ Ѩ࢝ ୶о

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Themed app icons ޷ܻࠁӝ ૑ਗ Android Studio Flamingo

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System Profiler ীࢲ Compose Trace ૑ਗ Android Studio Flamingo

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Android Studio Flamingo ౟ې೗ਸ о۽଻Ѣա ೻؊ ࣻ੿, ਽׹ ࠄޙ ࣻ੿ оמ Network Inspector

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Android Studio Beta https://developer.android.com/studio/preview/features#current%20versions Canary

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Android Studio https://developer.android.com/studio/preview/features#current%20versions New UI Giraffe Beta

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Android Studio Canary

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Android Studio https://developer.android.com/studio/preview/features#current%20versions Canary Compose Recomposition State Debugging

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https://developer.android.com/studio/preview/studio-bot Android Studio Bot • Add to editor ௿ܼ ೠ ߣਵ۽ ࢤࢿػ ௏٘ ୶о • ҙ۲ ޙࢲ۽ ߄۽ оӝ • ௏٘ ߬੉झীࢲ ૒੽ Ask Studio Bot ઱ਃ ӝמ

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хࢎ೤פ׮! ߓ೙઱   GDG Android Korea, ֎੉ߡઁ౟ veronikapj Resources ݂௼ : ठۄ੉٘ ߹ о੢ ৽ଃ ೞױী ੓णפ׮