Google core libraries for Java

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

A powerful 🚀 Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, panning and animations.

Render After Effects animations natively on Android and iOS, Web, and React Native

An image loading and caching library for Android focused on smooth scrolling

Bind Android views and callbacks to fields and methods.

Event bus for Android and Java that simplifies communication between Activities, Fragments, Threads, Services, etc. Less code, better quality.

A Java serialization/deserialization library to convert Java Objects into JSON and back

This project is deprecated and stale. The latest ExoPlayer code is available in https://github.com/androidx/media

RxJava bindings for Android

Implementation of ImageView for Android that supports zooming, by various touch gestures.

A fast dependency injector for Android and Java.

Modular and customizable Material Design UI components for Android

This is a sample app that is part of a series of blog posts I have written about how to architect an android application using Uncle Bob's clean architecture approach.

Most popular Mocking framework for unit tests written in Java

🏗 Build container images for your Java applications.

Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

Stetho is a debug bridge for Android applications, enabling the powerful Chrome Developer Tools and much more.

Realm is a mobile database: a replacement for SQLite & ORMs

A declarative API to handle Android runtime permissions.

A collection of source code generators for Java.

Paging indicator widgets compatible with the ViewPager from the Android Support Library and ActionBarSherlock.

Simplify Android M system permissions

This library provides a simple way to add a draggable sliding up panel (popularized by Google Music and Google Maps) to your Android application. Brought to you by Umano.

A collection of samples demonstrating different frameworks and techniques for automated testing

Custom fonts in Android the easy way...

(Deprecated) A custom view component that mimics the new Material Design Bottom Navigation pattern.

An annotation processor for generating type-safe bean mappers

Android and Java bytecode viewer

Gnirehtet provides reverse tethering for Android