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The New Era of Android Development - IDCamp x K...
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Ahmad Arif Faizin
May 28, 2023
Programming
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The New Era of Android Development - IDCamp x Kadin 2023
Presented for Offline Training Android Dev @Medan
Ahmad Arif Faizin
May 28, 2023
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Transcript
The New Era of Android Development Ahmad Arif Faizin Curriculum
Developer
None
None
Android Studio
Android Studio Bot 🤖
Device Mirroring 🪞 • File > Settings > Tools >
Device Mirroring • Enable mirroring of physical Android devices. • Bye bye Visor~
App Quality Insights 🪲
New UI 😎
Kotlin
None
Explicit Fields ✨
Kotlin DSL 🪶 • All in one language • More
readable • Better compile-time checking
Hints & Documentation 💖
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" }
Kapt to KSP 🫣
Android Jetpack
Architecture Libraries and Guidance 🗝
Recommendation 👌 https://developer.android.com/topic /architecture/recommendations
Modularization 🪱
Dependency Injection 💉
None
Jetpack Compose
None
Look at the new Project Template 👀
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.
Construct UI by describing what, not how.
XML Vs Compose 💥 <!-- activity_main.xml --> <FrameLayout> <RecyclerView android:id=”@+id/listNews”
... /> <TextView android:id=”@+id/textError”.../> </FrameLayout> // 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<News>) { if (newsList.size > 0){ Column { for (title in newsList){ Text(text = title) } } } else { Text(text = "No Data!") } }
Material You
None
Look (again) at the new Project Template 👀👀
M2 vs M3 💥
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None
None
Conclusion 🎁 d.android.com/modern-android-development
“All you need is the plan, the road map, and
the courage to press on to your destination.” Earl Nightingale
Thank you