The New Era of Android Development - IDCamp x Kadin 2023

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The New Era of Android Development Ahmad Arif Faizin Curriculum Developer

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Android Studio

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Android Studio Bot 🤖

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Device Mirroring 🪞 ● File > Settings > Tools > Device Mirroring ● Enable mirroring of physical Android devices. ● Bye bye Visor~

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App Quality Insights 🪲

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New UI 😎

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Kotlin

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Explicit Fields ✨

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Kotlin DSL 🪶 ● All in one language ● More readable ● Better compile-time checking

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Hints & Documentation 💖

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Version Catalog 📖 // build.gradle.kts plugins { alias(libs.plugins.com.android.application) alias(libs.plugins.org.jetbrains.kotlin.android) id("com.google.devtools.ksp") } ... dependencies { implementation(libs.core.ktx) implementation(libs.appcompat) } // libs.version.toml [versions] com-android-application = "8.1.0-alpha11" org-jetbrains-kotlin-android = "1.8.0" core-ktx = "1.9.0" appcompat = "1.4.1" [libraries] core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "core-ktx" } appcompat = { group = "androidx.appcompat", name = "appcompat", version.ref = "appcompat" } [plugins] com-android-application = { id = "com.android.application", version.ref = "com-android-application" } org-jetbrains-kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "org-jetbrains-kotlin-android" }

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Kapt to KSP 🫣

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Android Jetpack

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Architecture Libraries and Guidance 🗝

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Recommendation 👌 https://developer.android.com/topic /architecture/recommendations

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Modularization 🪱

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Dependency Injection 💉

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Jetpack Compose

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Look at the new Project Template 👀

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Jetpack Compose is Android’s recommended modern toolkit for building native UI. It simpliﬁes and accelerates UI development on Android. Quickly bring your app to life with less code, declarative Kotlin APIs, powerful tools, and backward compatible.

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Construct UI by describing what, not how.

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XML Vs Compose 💥 // Activity.kt val listNews = findViewById(R.id.listNews) val textError = findViewById(R.id.textError) if (data.size > 0){ listNews.visibility = View.VISIBLE textError.visibility = View.GONE } else { listNews.visibility = View.GONE textError.visibility = View.VISIBLE } // Activity.kt @Composable fun NewsScreen(newsList: List) { if (newsList.size > 0){ Column { for (title in newsList){ Text(text = title) } } } else { Text(text = "No Data!") } }

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Material You

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Look (again) at the new Project Template 👀👀

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M2 vs M3 💥

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Conclusion 🎁 d.android.com/modern-android-development

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“All you need is the plan, the road map, and the courage to press on to your destination.” Earl Nightingale

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Thank you