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

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

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

A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin

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

FastHub the ultimate GitHub client for Android.

An implementation of tap targets from the Material Design guidelines for feature discovery.

Full-featured Socket.IO Client Library for Java, which is compatible with Socket.IO v1.0 and later.

Android library to handle jobs in the background.

📸 A well documented, high-level Android interface that makes capturing pictures and videos easy, addressing all of the common issues and needs. Real-time filters, gestures, watermarks, frame proces…

RxJava 2 Android Examples - How to use RxJava 2 in Android

XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.

Groupie helps you display and manage complex RecyclerView layouts.

An adaptation of the JSR-310 backport for Android.

Android Library for Async Data Loading and Caching

Repository that showcases 3 Android app architectures: "Standard Android", MVP and MVVM. The exact same app is built 3 times following the different patterns.

A surgical debugging tool to uncover the layers under your app.

Master repository for the JGraphT project

Small library that wraps Google Play Service API in brilliant RxJava Observables reducing boilerplate to minimum.

Android library project that lets you manage the location updates to be as painless as possible

📡 Native App over HTTP, on Android

Android SQLite support library

High performance reactive SQL Client written in Java

Java fuzzy string matching implementation of the well known Python's fuzzywuzzy algorithm. Fuzzy search for Java

Android class dependency visualizer. This tool helps to visualize the current state of the project.

Annotation based HTML to Java parser + Retrofit converter

Various animations in Android.

A tiny library for easily validating TextInputLayouts in Android

⛔️ DEPRECATED (Click on the link below to check out Barricade2) - Runtime configurable local server for Android apps.