The New Era of Android Development - IDCamp x Kadin 2023

Presented for Offline Training Android Dev @Medan

1. The New Era of Android Development Ahmad Arif Faizin Curriculum Developer
4. Android Studio
5. Android Studio Bot 🤖
6. Device Mirroring 🪞 • File > Settings > Tools > Device Mirroring • Enable mirroring of physical Android devices. • Bye bye Visor~
7. App Quality Insights 🪲
8. New UI 😎
9. Kotlin
11. Explicit Fields ✨
12. Kotlin DSL 🪶 • All in one language • More readable • Better compile-time checking
13. Hints & Documentation 💖
14. 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" }
15. Kapt to KSP 🫣
16. Android Jetpack
17. Architecture Libraries and Guidance 🗝
18. Recommendation 👌 https://developer.android.com/topic /architecture/recommendations
19. Modularization 🪱
20. Dependency Injection 💉
22. Jetpack Compose
24. Look at the new Project Template 👀
25. 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.
26. Construct UI by describing what, not how.
27. 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!") } }
28. Material You
30. Look (again) at the new Project Template 👀👀
31. M2 vs M3 💥
35. Conclusion 🎁 d.android.com/modern-android-development
36. “All you need is the plan, the road map, and the courage to press on to your destination.” Earl Nightingale
37. Thank you