activity * Access composable APIs built on top of Activity.

appcompat * Allows access to new APIs on older API versions of the platform (many using Material Design).

camera * Build mobile camera apps.

compose * Define your UI programmatically with composable functions that describe its shape and data dependencies.

databinding * Bind UI components in your layouts to data sources in your app using a declarative format.

fragment * Segment your app into multiple, independent screens that are hosted within an Activity.

hilt * Extend the functionality of Dagger Hilt to enable dependency injection of certain classes from the androidx libraries.

lifecycle * Build lifecycle-aware components that can adjust behavior based on the current lifecycle state of an activity or fragment.

Material Design Components * Modular and customizable Material Design UI components for Android.

navigation * Build and structure your in-app UI, handle deep links, and navigate between screens.

paging * Load data in pages, and present it in a RecyclerView.

room * Create, store, and manage persistent data backed by a SQLite database.

test * Testing in Android.

work * Schedule and execute deferrable, constraint-based background tasks.

ads Get an advertising ID with or without Play Services.

annotation Expose metadata that helps tools and other developers understand your app's code.

arch.core Helper for other arch dependencies, including JUnit test rules that can be used with LiveData.

asynclayoutinflater Inflate layouts asynchronously to avoid jank in the UI.

autofill Improve autofill accuracy via extending hints.

benchmark Accurately measure your code's performance within Android Studio.

biometric Authenticate with biometrics or device credentials, and perform cryptographic operations.

browser Display webpages in the user's default browser.

car Develop driving-friendly applications for an Android-powered car.

cardview Implement the Material Design card pattern with round corners and drop shadows.

collection Reduce the memory impact of existing and new collections that are small.

compose.animation Build animations in their Jetpack Compose applications to enrich the user experience.

compose.foundation Write Jetpack Compose applications with ready to use building blocks and extend foundation to build your own design system pieces.

compose.material Build Jetpack Compose UIs with ready to use Material Design Components. This is the higher level entry point of Compose, designed to provide components that match those described at www.material.io.

compose.runtime Fundamental building blocks of Compose's programming model and state management, and core runtime for the Compose Compiler Plugin to target.

compose.ui Fundamental components of compose UI needed to interact with the device, including layout, drawing, and input.

concurrent Move tasks off the main thread with coroutines and take advantage of ListenableFuture.

constraintlayout Position and size widgets in a flexible way with relative positioning.

contentpager Load and page across ContentProvider data in a background thread.

coordinatorlayout Position top-level application widgets, such as AppBarLayout and FloatingActionButton.

core Target the latest platform features and APIs while also supporting older devices.

cursoradapter Expose Cursor data to a ListView widget.

customview Implement custom views.

datastore Store data asynchronously, consistently, and transactionally, overcoming some of the drawbacks of SharedPreferences

documentfile View a file document.

drawerlayout Implement a Material Design drawer widget.

dynamicanimation Create smooth animations with a physics-based animation API.

emoji Display emoji in current and older devices.

enterprise Create enterprise-ready applications.

exifinterface Read and write image file EXIF tags.

games Use the Android Game SDK natively in your app to perform complex games tasks, like Frame Pacing.

gridlayout Implement a grid layout.

heifwriter Encode an image or image collection in HEIF format using the available codecs on the Android device.

interpolator Use animation interpolators on older platforms.

jetifier A standalone tool that migrates a library's dependencies on the deprecated support library to equivalent AndroidX dependencies.

leanback Write apps for Android TV devices using dpad-friendly widgets and template fragments.

legacy This artifact and its classes are deprecated. Starting with Android 8, background check restrictions make this class no longer useful.

loader Load data for your UI that survives configuration changes.

localbroadcastmanager This artifact and its classes are deprecated. Use LiveData or reactive streams instead.

media Share media contents and controls with other apps. Superseded by media2.

media2 Share media contents and controls with other apps.

mediarouter Enable media display and playback on remote receiver devices using a common user interface.

multidex Deploy applications with multiple dex files on pre-Android 5 devices.

palette Extract representative color palettes from images.

percentlayout This artifact and its classes are deprecated. Use ConstraintLayout and associated layouts instead.

preference Build interactive settings screens without needing to interact with device storage or manage the UI.

print Print photos, docs, and other graphics and images from your app.

recommendation Promote content to the Android TV Launcher home screen.

recyclerview Display large sets of data in your UI while minimizing memory usage.

remotecallback Create a wrapper that makes it easier for developers to provide a PendingIntent.

savedstate Write pluggable components that save the UI state when a process dies, and restore it when the process restarts.

security Safely manage keys and encrypt files and sharedpreferences.

sharetarget Provide backwards compatibility for using shortcuts as direct share targets.

slice Display templated UI elements outside your app.

slidingpanelayout Implement a sliding pane UI pattern.

startup Implement a straightforward, performant way to initialize components at app startup.

sqlite Work with local SQLite databases. If possible, use Room instead.

swiperefreshlayout Implement the swipe-to-refresh UI pattern.

textclassifier Identifies conversations, links, selections, and other similar constructs in text.

tracing Write trace events to the system trace buffer.

transition Animate motion in the UI with starting and ending layouts.

tvprovider Provide Android TV channels.

ui Works with the Jetpack Compose library.

vectordrawable Render vector graphics.

versionedparcelable Provides a stable and compact binary serialization format that can be passed across processes or persisted safely.

viewpager Display Views or Fragments in a swipeable format. If possible, use viewpager2 instead.

viewpager2 Display Views or Fragments in a swipeable format.

wear Create applications for Wear OS by Google smartwatches.

webkit Work with modern WebView APIs on Android 5 and above.