Android developer portal with tools, libraries, and apps

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Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. It automates the process of checking Java code to spare humans of this boring (but important) task.

Jul 5, 2014

Liberating Web Analytics

Piwik is the leading open source web analytics platform that gives you valuable insights into your website’s visitors, your marketing campaigns and much more, so you can optimize your strategy and online experience of your visitors.

Nov 25, 2014

libGDX is a cross-platform Java game development framework based on OpenGL (ES) that works on Windows, Linux, Mac OS X, Android, your WebGL enabled browser and iOS.

Jul 5, 2014

Reactive Extension (Rx) Adaptor for Netty.

Aug 30, 2014

Kluent is a "Fluent Assertions" library written specifically for Kotlin.

Dec 13, 2016

PMD is a source code analyzer. It finds common programming flaws like unused variables, empty catch blocks, unnecessary object creation, and so forth. It supports Java, JavaScript, XML, XSL.

Jul 5, 2014

SpotBugs is the spiritual successor of FindBugs, carrying on from the point where it left off with support of its community.

Dec 23, 2017

RxAndroidBle is a powerful painkiller for Android's Bluetooth Low Energy headaches. It is backed by RxJava, implementing complicated APIs as handy reactive observables.

Mar 30, 2016

It is a tool for reverse engineering 3rd party, closed, binary Android apps. It can decode resources to nearly original form and rebuild them after making some modifications; it makes possible to debug smali code step by step. Also it makes working with app easier because of project-like files structure and automation of some repetitive tasks like building apk, etc.

Dec 1, 2014

Soot is a Java optimization framework. It provides four intermediate representations for analyzing and transforming Java bytecode:

  • Baf: a streamlined representation of bytecode which is simple to manipulate.
  • Jimple: a typed 3-address intermediate representation suitable for optimization.
  • Shimple: an SSA variation of Jimple.
  • Grimp: an aggregated version of Jimple suitable for decompilation and code inspection.
Nov 28, 2016

A library that gives you access to the powerful Parse cloud platform from your Android app. For more information Parse and its features.

Aug 14, 2015

A library designed to replace default preferences on Android framework with something beauty. Hate the old preference style? Try this lib!

Dec 16, 2018

yasea is an RTMP streaming client in pure Java for Android for those who hate JNI development.

Apr 24, 2016

Provide Funky cuts on image (The Perfect Header for Profile UI)

Nov 22, 2016

BetterTextInputLayout is Android support library's TextInputLayout subclass providing following extensions: adds methods to manipulate password visibility from code as showPassword, hidePassword and togglePassword also comes with passwordToggleEnabled enabled by default.

Jun 5, 2017

This plugin adds support for writing Android applications using the Groovy language.

Plugin has been successfully tested with Android Studio. It is recommended, for performance, memory and battery life, that you use @CompileStatic wherever possible.

Aug 28, 2014

Type-safe REST client for Android and Java by Square, Inc.

Jul 5, 2014

With Twitter4J, you can easily integrate your Java application with the Twitter service. Twitter4J is an unofficial library.

Jul 5, 2014

Random Beans is a library that generates random Java beans.

Dec 18, 2016

API to use ussd displayed windows at Android, using AccessibilityService.

Sep 22, 2018

GraphHopper is a fast and memory efficient Java road routing engine. By default it uses OpenStreetMap data, but can import other data sources.

Aug 12, 2015

An HTTP & SPDY client for Android and Java applications.

Jul 5, 2014

An android lib for enhancing BottomNavigationView.

Dec 4, 2016

An OCR Engine that was developed at HP Labs between 1985 and 1995... and now at Google.

Jul 5, 2014

Enterprise Mobile Application Development Platform.

Jul 5, 2014

A from-scratch, re-implementation of RxAndroid with a consistent, opinionated API.

May 23, 2015

Android Debug Database is a powerful library for debugging databases and shared preferences in Android applications.

Nov 17, 2016

Wire is a library for lightweight protocol buffers for mobile Java. Code generated by Wire has many fewer methods than standard protocol buffer code, which helps applications avoid the notorious 64k limit on methods in Android applications. Wire also generates clean, human-readable code for protocol buffer messages.

Jul 5, 2014

A modern JSON library for Android and Java.

Mar 31, 2015

The mapsforge project provides free and open software for the rendering of maps based on OpenStreetMap data.

Aug 12, 2015