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Hi Guys
Please tell me what are the building blocks of android.

Thanks

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As outlined the core app components and shared useful links, here is a concise, modern supplement that fills gaps beginners often hit when they move from theory to a working app.

Start with the platform tools and language: Android Studio (the official IDE) and the Gradle build system are the practical entry points. Kotlin is now the preferred language for most Android projects; learn its nullable types and coroutines early because they shape how real apps handle async work. Learn the Jetpack/AndroidX libraries next — they package the common building blocks you will actually use (lifecycle helpers, persistence, navigation, DI, background work).

For architecture and libraries focus on: ViewModel + state holder (avoid putting logic in UI), a persistence layer such as Room, networking with Retrofit/OkHttp, dependency injection (Hilt/Dagger), and lifecycle-aware background work (WorkManager). Decide whether to use the classic View + XML approach or the declarative Jetpack Compose UI; Compose is the newer, recommended option for many projects.

Practical workflow and quick tips: scaffold a tiny app in Android Studio using a single-activity pattern (or Compose templates), keep UI state in ViewModel, use Room for local data, and WorkManager for scheduled/off-thread tasks. Watch for main-thread blocking (use coroutines), runtime permissions, and lifecycle-related leaks. When ready to publish, prefer app bundles for Play distribution and enable R8/ProGuard for release builds.

This builds directly on the component-level answers above and shifts focus to the toolchain, libraries, architecture patterns, and practical pitfalls you’ll meet building real Android apps.

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Programs in Android are commonly written in Java, but you can also write in native languages like C or C++ using the NDK (Native Development Kit) provided by Android. These are compiled to bytecode for the JVM (Java Virtual Machine), which is then translated to Dalvik bytecode (Android's customised JVM) now succeeded by ART (Android Runtime).

Application components are the essential building blocks of an Android application. There are four main components; Activities, Services, Broadcast Receivers and Content Providers. There are also additional components, which consists of Fragments, Views, Layouts, Intents, Resources and Manifest.

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