- Google Gson (Utility)
A Java serialization/deserialization library to convert Java Objects into JSON and back.
- ZXing ('Zebra Crossing') (Utility)
ZXing („zebra crossing“) is an open-source, multi-format 1D/2D barcode image processing library.
- 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.
- 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.
- 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.
- Media (Utility)
share media contents and controls with other apps.
- Android Multi Dex Library (Utility)
helps deploying applications with multiple dex files on pre-Android 5 devices.
- Palette (Utility)
AndroidX library to extract representative color palettes from images.
- 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.
- ResourceInspection (Development Aid)
AndroidX library to surface the attributes of custom views in Android Studio’s Live Layout Inspector.
- 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.
- 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.
- Lightweight-Stream-API (Utility)
stream API from Java 8 rewritten on iterators for Java 7 and below.
- UsbSerial (Utility)
Usb serial controller.
- 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.
- JSch - Java Secure Channel (Utility)
a pure Java implementation of SSH2 to connect to an sshd server and use port forwarding, X11 forwarding, file transfer, etc.
- svg-android (Utility)
vector graphics support for Android.
- btmidi (Utility)
MIDI for Android, over USB as well as Bluetooth.
- OkHttp (Utility)
OkHttp is an HTTP+HTTP/2 client for Android and Java applications.
- Picasso (Utility)
image downloading and caching library.
- BLESSED (Utility)
a very compact Bluetooth Low Energy (BLE) library for Android 5 and higher, that makes working with BLE on Android very easy.
- NetUtil (Utility)
a Java library for sending and receiving messages using the OpenSoundControl (OSC) protocol.
- RxJava (Utility)
RxJava (Reactive Extensions for the JVM) is a library for composing asynchronous and event-based programs using observable sequences for the Java VM.
- IOIO (Utility)
- Android USB MIDI Driver (Utility)
USB MIDI Driver using Android USB Host API.
- Android USB MIDI Driver (Utility)
USB MIDI Driver for Android 3.1 or later.
- Kotlin (Utility)
The Kotlin Programming Language
- kotlinx.coroutines (Utility)
library support for Kotlin coroutines.
- Zip4j (Utility)
Java open-source library to handle Zip files.
- OkHttp okio Framework (Utility)
A modern I/O API for Java to make it much easier to access, store, and process your data.
- Apache Commons (Development Framework)
an Apache project focused on all aspects of reusable Java components.
- Apache FtpServer (Utility)
a 100% pure Java FTP server.
- Apache MINA (Utility)
MINA (Multipurpose Infratructure for Network Applications) is a network application framework which helps users develop high performance and high scalability network applications easily.
- Paho Java Client (Utility)
MQTT (Message Queue Telemetry Transport, a messaging protocol) client library.
- HawtBuf (Utility)
- HawtDispatch (Development Framework)
easily develop multi-threaded applications which can more easily scale to take advantage of all the processing cores on your machine.
- mqtt-client (Utility)
provides an ASL 2.0 licensed API to MQTT.
- EventBus (Utility)
Android optimized event bus that simplifies communication between Activities, Fragments, Threads, Services, etc.
- IntelliJ IDEA (Utility)
- Java WebSockets (Utility)
a barebones WebSocket client and server implementation written in 100% Java.
- android-multitouch-controller (Utility)
helper to write multitouch applications for Android.
- Mozilla Rhino (Utility)
open-source implementation of JavaScript written entirely in Java.
- NanoHTTPD (Utility)
a tiny, easily embeddable HTTP server in Java.
- OpenStreetMap-Tools for Android (Map)
replacement for Android's MapView (v1 API) class.
- pd-core (Utility)
Pure Data embeddable audio synthesis library.
- Reactive Streams (Utility)
provide a standard for asynchronous stream processing with non-blocking back pressure.
- Simple Logging Facade for Java (Utility)
abstraction for various logging frameworks (e.g. java.util.logging, logback, log4j) allowing to plug in the desired logging framework at deployment time.
- TensorFlow (Utility)
an end-to-end open source platform for machine learning.
- Processing for Android (Development Framework)
create Android apps with ease, including live wallpapers, watch faces, and VR apps. You can run your Processing sketches on Android devices (phones, tablets, watches) with little or no changes in the code, and without worrying about installing SDK files or editing layout files.
- Timber (Utility)
logger with a small, extensible API which provides utility on top of Android's normal Log class.