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

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

Bind Android views and callbacks to fields and methods.

RxJava bindings for Android

A fast dependency injector for Android and Java.

Interview questions

Algorithms, 4th edition textbook code and libraries

A diagram of the Android Activity / Fragment lifecycle

Cracking the Coding Interview, 5th Edition

Do Leetcode exercises in IDE, support leetcode.com and leetcode-cn.com, to meet the basic needs of doing exercises.Support theoretically: IntelliJ IDEA PhpStorm WebStorm PyCharm RubyMine AppCode CL…

The official repository for Developing Android Apps

Android Graph Library for creating zoomable and scrollable line and bar graphs.

317 efficient solutions to HackerRank problems

A Material Design themed ShowcaseView for Android

A material-design Hacker News Android reader

An unofficial open source Android app for Reddit.

FTP server for your android device.

🌐 🔐 Manage applets and keys on JavaCard-s like a pro

Every Android Studio Tip posted by Phillipe Breault

GAST is a toolkit for using Android's Sensing capabilities. It contains the examples, boiler plate code, and algorithms you need to properly use Android sensors.

IntelliJ plugin - https://plugins.jetbrains.com/plugin/7125

Darcula LAF for NetBeans

Offline Maps API for Android

Playground for open source JavaCard applets! All work and no play makes Jack a dull boy.

Efficiently create compact tree layouts in Java

A log view tool

Downloads attachments from Gmail emails, then creates copy of emails but without extracted attachments.

Android demo app.