- Spongy Castle (Utility)
a collection of APIs used in cryptography, to complement the stripped-down version of
Bouncy Castle Android ships with.
- Bouncy Castle (Utility)
a collection of APIs used in cryptography. Also see
Wikipedia.
- Android Support v4 (Development Framework)
The Android Support Library is not actually a single library, but rather a collection of libraries that can roughly be divided into two groups: compatibility and component libraries. For details, please see
Understanding the Android Support Library.
- AndroidX Activity (Utility)
provides the base Activity subclass and the relevant hooks to build a composable structure on top.
- Android Jetpack Annotations (Utility)
library that contains the annotations for Android Jetpack.
- Arch (Utility)
helper for other arch dependencies, including JUnit test rules that can be used with LiveData.
- AppCompat (Utility)
support newer Android features on older Android versions.
- Asynclayoutinflater (UI Component)
AndroidX library to inflate layouts asynchronously to avoid jank in the UI.
- Biometric (Utility)
authenticate with biometrics or device credentials, and perform cryptographic operations.
- Browser (Utility)
display webpages in the user's default browser.
- Cardview (UI Component)
AndroidX library to implement the Material Design card pattern with round corners and drop shadows.
- Android Support Library collections (Utility)
standalone efficient collections.
- Concurrent (Utility)
AndroidX library to help move tasks off the main thread with coroutines and take advantage of ListenableFuture.
- Constraint Layout Library (Utility)
library to reduce the number of nested views needed.
- Coordinatorlayout (UI Component)
AndroidX library to position top-level application widgets, such as AppBarLayout and FloatingActionButton.
- Androidx Core (Utility)
a static library that you can add to your Android application in order to use APIs that are either not available for older platform versions or utility APIs that aren't a part of the framework APIs.
- AndroidX Cursor Adapter (Utility)
static library support version of the framework's CursorAdapter.
- Android Support Library Custom View (UI Component)
a module to implement custom views. Part of the Android Support Library.
- Databinding (Utility)
bind UI components in your layouts to data sources in your app using a declarative format.
- Documentfile (UI Component)
a library to view a file document.
- Drawerlayout (UI Component)
AndroidX library to implement a Material Design drawer widget.
- Dynamicanimation (UI Component)
create smooth animations with a physics-based animation API.
- Android Emoji2 Compat (UI Component)
core library to enable emoji compatibility in Kitkat and newer devices to avoid the empty emoji characters.
- AndroidX Fragment (UI Component)
AndroidX library to encapsulate part of the user interface or behavior into reusable components.
- AndroidX Inspection (Utility)
- Interpolator (UI Component)
AndroidX library to use animation interpolators on older platforms.
- androidx.legacy (Utility)
a static library that you can add to your Android application in order to use APIs that are either not available for older platform versions or utility APIs that aren't a part of the framework APIs.
- Lifecycle (Utility)
perform actions in response to a change in the lifecycle status of another component, such as activities and fragments.
- Loader (Utility)
library to load data for your UI that survives configuration changes.
- AndroidX Local Broadcast Manager (Utility)
an application-wide event bus and embraces layer violations in your app: any component may listen events from any other.
- AndroidX Media (Utility)
share media contents and controls with other apps.
- Preference (Utility)
a library to build interactive settings screens without needing to interact with device storage or manage the UI.
- Print (Utility)
a library to print photos, docs, and other graphics and images.
- ProfileInstaller (Utility)
AndroidX library that enables libraries to prepopulate ahead of time compilation traces to be read by ART.
- ResourceInspection (Development Aid)
AndroidX library to surface the attributes of custom views in Android Studio’s Live Layout Inspector.
- Room (Utility)
a persistence library that provides an abstraction layer over SQLite to allow for more robust database access while harnessing the full power of SQLite.
- Recyclerview (Utility)
display large sets of data in your UI while minimizing memory usage.
- Android Activity Saved State (Utility)
provides the base Activity subclass and the relevant hooks to build a composable structure on top.
- Slidingpanelayout (UI Component)
AndroidX library to implement a sliding pane UI pattern.
- Sqlite (Utility)
library that contains abstract interfaces along with basic implementations which can be used to build your own libraries that access SQLite.
- Startup (Utility)
AndroidX library to implement a straightforward, performant way to initialize components at app startup.
- Swiperefreshlayout (UI Component)
implemtation of the swipe-to-refresh UI pattern.
- Tracing (Utility)
AndroidX library to write trace events to the system trace buffer.
- Transition (UI Component)
animates motion in the UI with starting and ending layouts.
- Vectordrawable (UI Component)
AndroidX library to render vector graphics.
- Android Jetpack VersionedParcelable (Utility)
Provides a stable but relatively compact binary serialization format that can be passed across processes or persisted safely.
- Viewpager (UI Component)
AndroidX library to display Views or Fragments in a swipeable format.
- AndroidX Widget ViewPager2 (UI Component)
replaces AndroidX ViewPager, addressing most of its predecessor’s pain-points, including right-to-left layout support, vertical orientation, modifiable Fragment collections, etc.
- Jetpack WindowManager Library (Utility)
enables application developers to support new device form factors and multi-window environments. The library provides a common API surface for API versions 14 and later. Especially provides additional functionality on foldable devices.
- WorkManager (Utility)
an API that makes it easy to schedule deferrable, asynchronous tasks that must be run reliably .
- Armadillo (Utility)
a shared preference implementation for secret data providing confidentiality, integrity and authenticity.
- Bytes Utility Library for Java (Utility)
a utility library that makes it easy to create, parse, transform, validate and convert byte arrays in Java.
- Bcrypt (Utility)
an implementation of the OpenBSD Blowfish password hashing algorithm.
- SMSWithoutBorders LibSignal DoubleRatchet (Utility)
a library with encryption helpers for Android apps.
- Volley HTTP library (Utility)
an HTTP library that makes networking for Android apps easier and most importantly, faster.
- Recycler Bubble (UI Component)
fast scroll and section indexer for recycler view.
- Fuel (Utility)
HTTP networking library for Kotlin/Android.
- Result (Utility)
a tiny framework for modelling success/failure of operations in Kotlin.
- Curve25519 Keyshare (Utility)
Elliptic Curve Diffie-Hellman.
- Fido (GMS)© (Utility)
entry point for Fido (Fast IDentity Online) APIs.
- Google Mobile Services© (Development Framework)
Google Mobile Services in terms of the Android library refers to
Google Play Services, a proprietary background service and API package for Android devices which is
not part of the Android Open Source Project (AOSP). The library does not contain those services (i.e. it usually requires the Google Framework, often referred to as „GApps“, being installed on the device), but allows an app to communicate with them. Be aware this usually goes along with transferring at least parts of your personal data to the Google network.
- Google Material Design (Utility)
library to help with material design guidelines.
- Google Core Libraries for Java 6+ (Utility)
a set of core libraries that includes new collection types (such as multimap and multiset), immutable collections, a graph library, functional types, an in-memory cache, and APIs/utilities for concurrency, I/O, hashing, primitives, reflection, string processing, and much more.
- Tink (Utility)
a multi-language, cross-platform library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.
- Error Prone (Utility)
a static analysis tool for Java that catches common programming mistakes at compile-time.
- Google Gson (Utility)
A Java serialization/deserialization library to convert Java Objects into JSON and back.
- Google Protocol Buffers (Utility)
library that deals with Protocol Buffers (a.k.a., protobuf) – Google's language-neutral, platform-neutral, extensible mechanism for serializing structured data.
- Fernet Java (Utility)
an implementation of the Fernet Spec using Java. The goal is to use only native Java constructs to avoid pulling in any dependencies so the library would be more generally usable.
- Dots (UI Component)
a library that helps in implementing a simple yet effective dots indicator for the View Pagers used in your android code.
- OkHttp (Utility)
OkHttp is an HTTP+HTTP/2 client for Android and Java applications.
- CircleImageView (UI Component)
circular ImageView for Android (displays images in circles, like „heads-up“).
- gRPC-Java (Utility)
RPC library and framework.
- libphonenumber-android (Utility)
- PerfMark (Utility)
a low-overhead, manually-instrumented, tracing library.
- JavaX Annotation API (Utility)
common annotations for the JavaTM Platform API.
- Junit (Utility)
simple framework to write repeatable tests.
- Kotlin (Utility)
The Kotlin Programming Language
- Kotlin Android Extensions Runtime (Utility)
allows to obtain the same experience as with some of these libraries, without having to add any extra code or shipping any additional runtime.
- kotlinx.coroutines (Utility)
library support for Kotlin coroutines.
- Kotlin serialization (Utility)
Kotlin cross-platform / multi-format serialization.
- AppAuth for Android (Utility)
client SDK for communicating with OAuth 2.0 and OpenID Connect providers.
- OkHttp okio Framework (Utility)
A modern I/O API for Java to make it much easier to access, store, and process your data.
- Checker Framework (Utility)
pluggable type-checking to detect and prevent errors in their Java programs.
- MojoHaus AnimalSniffer Maven Plugin (Utility)
build signatures of APIs and to check your classes against previously generated signatures.
- Conscrypt (Utility)
a Java Security Provider (JSP) that implements parts of the Java Cryptography Extension (JCE) and Java Secure Socket Extension (JSSE). It uses BoringSSL to provide cryptographic primitives and Transport Layer Security (TLS) for Java applications on Android and OpenJDK.
- Java Hamcrest (Utility)
a library of matchers, which can be combined in to create flexible expressions of intent in tests.
- IntelliJ IDEA (Utility)
- jUnit Java Unit Test (Utility)
simple framework to write repeatable tests.
- Timber (Utility)
logger with a small, extensible API which provides utility on top of Android's normal Log class.