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.

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

Telegram for Android source

Bind Android views and callbacks to fields and methods.

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

A fast dependency injector for Android and Java.

Modular and customizable Material Design UI components for Android

An Android library for managing images and the memory they use.

Most popular Mocking framework for unit tests written in Java

A circular ImageView for Android

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.

Tools to work with android .dex and java .class files

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

No clever tagline needed.

Your Cheat Sheet For Android Interview - Android Interview Questions and Answers

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

Java JWT: JSON Web Token for Java and Android

A collection of source code generators for Java.

An Android transformation library providing a variety of image transformations for Glide.

Feign makes writing java http clients easier

Views and Drawable for displaying animated GIFs on Android

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

This is a library with components of Android L to you use in android 2.2

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly co…

Epoxy is an Android library for building complex screens in a RecyclerView

Charts library for Android compatible with API 8+, several chart types with scaling, scrolling and animations 📊