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

A Java serialization/deserialization library to convert Java Objects into JSON and back

A Java 8+ Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More)

Free implementation of Play Services

Barcode scanner library for Android, based on the ZXing decoder

Android Database - first and fast, lightweight on-device vector database

Simple to use root checking Android library and sample app

A lightweight implementation of Android In-app Billing Version 3

MIT App Inventor Public Open Source

Simpliest way to ask runtime permissions on Android, no need to extend class or override permissionResult method, choose your way : Kotlin / Coroutines / RxJava / Java7 / Java8

A beautiful Android custom seekbar, which has a bubble view with progress appearing upon when seeking SeekBar

A Fast QR Reader widget for Flutter. For both Android and iOS

Live video out from your DJI FPV Goggles via USB.

Android Contacts API

Google App Engine Standard Java runtime: Prod runtime, local devappserver, Cloud SDK Java components, GAE APIs, and GAE API emulators.

This is an other option to implement custom view like lucky wheel

A clone of the Google PlayStore Android app frontend.

A custom component that displays a lucky wheel. it ⁠ features easy customize of colors, addition of items and it's very trivial to integrate in your application.

Evolve is a library for Android Developers that lets them deploy new versions of an app without going through Google Play or asking users to download an update.

Android Steganography Library

A physics-based split-screen FPS parody of Overwatch. Uses LibGDX and Bullet for physics.

Free, open source MMO-RTS, powered by Java, Libgdx and Kryonet

Rotating and fling-able PrizeWheel for android

A Bubble Shooter/Match3 puzzle game made with the Libgdx framework

Appinventor code