Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.

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

🔥 Android developers should collect the following utils(updating).

Telegram for Android source

a fast, scalable, multi-language and extensible build system

Jenkins automation server

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

A fast dependency injector for Android and Java.

👶🏻 신입 개발자 전공 지식 & 기술 면접 백과사전 📖

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

A circular ImageView for Android

✔️ Simple, pretty and powerful logger for android

Android Transition animations explanation with examples.

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.

A declarative API to handle Android runtime permissions.

A collection of source code generators for Java.

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

A programmer-oriented testing framework for Java — ⚠️ maintenance mode

Learning RxJava for Android by example

A fast dependency injector for Android and Java.

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