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

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

Telegram for Android source

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

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

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

光 HikariCP・A solid, high-performance, JDBC connection pool at last.

RxJava bindings for Android

JDK main-line development https://openjdk.org/projects/jdk

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

A fast dependency injector for Android and Java.

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

Modular and customizable Material Design UI components for Android

Most popular Mocking framework for unit tests written in Java

👶🏻 신입 개발자 전공 지식 & 기술 면접 백과사전 📖

✔️ Simple, pretty and powerful logger for android

🎆 A well-designed local image and video selector for Android

The Java gRPC implementation. HTTP/2 based RPC

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

Simplify Android M system permissions

Views and Drawable for displaying animated GIFs on Android

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

Android view for displaying PDFs rendered with PdfiumAndroid

Android library (AAR). Highly configurable, easily extendable deep zoom view for displaying huge images without loss of detail. Perfect for photo galleries, maps, building plans etc.

The usual Toast, but with steroids 💪

Image Cropping Library for Android, optimized for Camera / Gallery.