Android Jetpack Dev Resources - Android Developers

Android Jetpack

Jetpack is a suite of libraries to help developers follow best practices, reduce boilerplate code, and write code that works consistently across Android versions and devices so that developers can focus on the code they care about.

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Why use Android Jetpack?

Follow best practices

Built around modern design practices, Android Jetpack Libraries enable fewer crashes and less memory leaks with backwards-compatibility baked in.

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Eliminate boilerplate code

Android Jetpack manages tedious activities like background tasks, navigation, and lifecycle management, so you can focus on what makes your app great.

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Reduce fragmentation

Reduce complexity with libraries that work consistently across Android versions and devices.

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Jetpack libraries Explore all libraries

* Popular and often-used libraries are listed first

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).
appsearch *	Build custom in-app search capabilities for your users.
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.
bluetooth	Use the Android platform's Bluetooth features with backward-compatible APIs.
browser	Display webpages in the user's default browser.
camera.media3	TODO
camera.viewfinder	Standalone Composable and View based Viewfinder for Camera"
car-app	Build templated apps for Android Auto and Android Automotive OS.
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.compiler	Transform @Composable functions and enable optimizations with a Kotlin compiler plugin.
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.material3	Build Jetpack Compose UIs with Material Design 3 Components, the next evolution of Material Design. Material 3 includes updated theming and components and Material You personalization features like dynamic color, and is designed to be cohesive with the new Android 12 visual style and system UI.
compose.material3.adaptive	Use the Material 3 adaptive library to create adaptive UIs that will adapt themselves automatically according to the current window configurations like window size classes or device postures. The library provides both default scaffold implementations and necessary building block composables to create your own custom experiences.
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.
core.uwb	Implement UWB (ultra-wideband) on supported devices.
credentials	This library provides unified access to a user's credentials. This can include passwords, passkeys and federated credentials. This library should be used to provide seamless and secure sign-in experiences.
credentials.registry	To solve for these, we are adding a new registry mechanism that allows an app to provide digital credentials in a privacy-preserving way. At a high level, the provider app will be pre-registering all their candidate digital credentials with the Credential Manager; When Credential Manager receives an app request for a specific digital credential, it will run the credential matching and user selector UI in a sandbox.
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.
draganddrop	Accept drag-and-drop data from another app or within an app, and show a consistent drop target affordance.
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.
emoji2	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.
glance	Build layouts for remote surfaces using a Jetpack Compose-style API.
graphics	Leverage graphics facilities across multiple Android platform releases
gridlayout	Implement a grid layout.
health	Create performant health applications in a platform agnostic way.
health.connect	Allows developers to read or write user's health and fitness records.
heifwriter	Encode an image or image collection in HEIF format using the available codecs on the Android device.
ink	Inspire best-in-class pen apps. Lower the developer barrier to entry for high performance, beautiful inking experiences.
input	Reduce the latency of input interactions by predicting future MotionEvents
interpolator	Use animation interpolators on older platforms.
javascriptengine	Enable your Android app to evaluate JavaScript.
jetifier	A standalone tool that migrates a library's dependencies on the deprecated support library to equivalent AndroidX dependencies.
leanback	Use Compose for TV instead of this artifact.
legacy	This artifact and its classes are deprecated. Starting with Android 8, background check restrictions make this class no longer useful.
lint	Lint checks to verify usage of Gradle APIs
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 media3.
media2	Share media contents and controls with other apps.
media3 *	Support libraries for media use cases.
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.
metrics	Track and report various runtime metrics for your application
palette	Extract representative color palettes from images.
pdf	A library to add pdf viewing capabilities inside apps.
percentlayout	This artifact and its classes are deprecated. Use ConstraintLayout and associated layouts instead.
performance	Provides source annotations for performance optimizations.
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.
privacysandbox.activity	TODO
privacysandbox.ads	This library enables integration with Privacy Preserving APIs, which are part of Privacy Sandbox on Android.
privacysandbox.plugins	Android Privacy Sandbox Sdk Library Gradle Plugin
privacysandbox.sdkruntime	This library provides components for SdkRuntime aware consumers
privacysandbox.tools	A library to utilize the Privacy Sandbox functionality in Android
privacysandbox.ui	TODO
profileinstaller	Enables libraries to prepopulate ahead of time compilation traces to be read by ART.
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.
resourceinspection	Surface the attributes of custom views in Android Studio’s Live Layout Inspector.
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.
test.uiautomator	Framework for cross app functional UI testing
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.
tv	Provides developers with Compose and Material design functionalities in order to write applications for TV
tvprovider	Provide Android TV channels.
xr.arcore	Bring digital content into the real world with perception capabilities.
xr.compose	Declaratively build spatial UI layouts that take advantage of Android XR’s spatial capabilities.
xr.compose.material3	Build with Material components and layouts that adapt for XR
xr.runtime	Start your custom AR or 3D session with our native runtime.
xr.scenecore	Build and manipulate the Android XR scene graph with 3D content.
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.
wear.compose	Write Jetpack Compose applications for Wearable devices by providing functionality to support wearable specific devices, sizes, shapes and navigation gestures.
wear.protolayout	This library allows defining a set of UI layouts and non-UI expressions to be rendered/evaluated on remote surfaces.
wear.tiles	Create applications for Wear OS by Google smartwatches.
wear.watchface	Create applications for Wear OS by Google smartwatches.
webkit	Work with modern WebView APIs on Android 5 and above.
window	Helps support different device form factors such as foldable devices.
window.extensions.core	The Core APIs for Window Manager Library Extensions

Learn to use Jetpack

Fundamentals training

Learn the essential Jetpack libraries in the Android Basics with Compose course and reduce boilerplate in your app

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Hands-on tutorial

Get hands-on with three Jetpack libraries that simplify your data layer: LiveData, ViewModel and Room

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Sunflower sample app

Explore how the most popular Jetpack libraries are used together in a production-level app

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Jetpack libraries Explore all libraries

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Compose for TV

Meet the Android Studio Team: A Conversation with Staff Developer Programs Engineer, Trevor Johns

Meet the Android Studio Team: A Conversation with Director of Product Management, Jamal Eason

Testing

Meet the Android Studio Team: A Conversation with Product Manager, Paris Hsu

Apps adopt Transformer to support more reliable and performant media editing use cases

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Graphics layers

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CameraX update makes dual concurrent camera even easier

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