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.

Desktop/Android/HTML5/iOS Java game development framework

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

IntelliJ IDEA & IntelliJ Platform

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

A collection of algorithms and data structures

A fast dependency injector for Android and Java.

Tinker is a hot-fix solution library for Android, it supports dex, library and resources update without reinstall apk.

A high performance caching library for Java

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

A circular ImageView for Android

Cute view animation collection.

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

jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.

A declarative API to handle Android runtime permissions.

Android library to observe scroll events on scrollable views.

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

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

🚀 Ultimate Android Reference - Your Road to Become a Better Android Developer

Learning RxJava for Android by example

SweetAlert for Android, a beautiful and clever alert dialog

✅ The programmer-friendly testing framework for Java and the JVM

The usual Toast, but with steroids 💪