Android developer portal with tools, libraries, and apps

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Open source computer vision and machine learning software library. OpenCV was built to provide a common infrastructure for computer vision applications and to accelerate the use of machine perception in the commercial products.

Jul 5, 2014
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The simplest navigation library for Android.

Main Features:

  • Navigation is as simple as calling goTo(screen)
  • You get full control of the backstack
  • Transitions are automatically handled for you

Apr 20, 2017

An HTTP & SPDY client for Android and Java applications.

Jul 5, 2014

Async Http Client library purpose is to allow Java applications to easily execute HTTP requests and asynchronously process the HTTP responses. The library also supports the WebSocket Protocol. The Async HTTP Client library is simple to use.

Jul 5, 2014

EasyMock has been the first dynamic Mock Object generator, relieving users of hand-writing Mock Objects, or generating code for them. EasyMock provides Mock Objects by generating them on the fly using Java's proxy mechanism.

Jul 5, 2014

Mockito is a mocking framework that tastes really good. It lets you write beautiful tests with clean & simple API. Mockito doesn't give you hangover because the tests are very readable and they produce clean verification errors.

Jul 5, 2014

Cross-platform test runner written for Android and iOS projects.

Feb 25, 2019

Google OAuth Client Library for Java.

Jul 5, 2014

An awesome banner for Android.

  • setPageStyle: Three optional page styles enum(MULTIPAGE,MULTIPAGESCALE,MULTIPAGE_OVERLAP)

  • setIndicatorStyle:Three optional Indicator styles enum(CIRCLE,DASH,ROUND_RECT).you also can custom indicator style if necessary

  • setIndicatorSlideMode:Two optional slide mode enum(SMOOTH,NORMAL).You also can custom indicator for whatever you want.

Nov 27, 2019

Shake to see the HTTP Tracking log.

Mar 29, 2024

Simple OAuth library for Java.

Jul 5, 2014

React Native enables you to build world-class application experiences on native platforms using a consistent developer experience based on JavaScript and React. The focus of React Native is on developer efficiency across all the platforms you care about - learn once, write anywhere. Facebook uses React Native in multiple production apps and will continue investing in React Native.

Dec 3, 2015

The beautiful, open source front-end framework for developing hybrid mobile apps with HTML5.

Jul 5, 2014

osmdroid is a (almost) full/free replacement for Android's MapView (v1 API) class. It also includes a modular tile provider system with support for numerous online and offline tile sources and overlay support with built-in overlays for plotting icons, tracking location, and drawing shapes.

Jul 5, 2014

The Google APIs Client Library for Java is a flexible, efficient, and powerful Java client library for accessing any HTTP-based API on the web, not just Google APIs.

The library has the following features:

  • A powerful OAuth 2.0 library with a consistent interface.
  • Lightweight, efficient XML and JSON data models that support any data schema.
  • Support for protocol buffers.
  • A set of generated libraries for Google APIs.
Feb 5, 2015

KotlinTest is a flexible and comprehensive testing tool for the Kotlin ecosystem based on and heavily inspired by the superb Scalatest. KotlinTest provides several ways to lay out your test so that your team can pick the style they are most happy with. It also includes many matchers which allow you to write many different types of assertions easily and in a human readable way. Finally, there's helpers for things like collection testing, and future testing.

Sep 27, 2016

Open-source software for volunteer computing and grid computing.

Jul 13, 2016

Kotlin Multiplatform Mobius implementation - A functional reactive framework for managing state evolution and side-effects.

Jan 2, 2022
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Glide is fast and efficient image loading library for Android that wraps image downloading, resizing, memory and disk caching, and bitmap recycling into one simple and easy to use interface. By default, Glide includes an implementation for fetching images over http based on Google's Volley project for fast, parallelized network operations on Android.

Aug 12, 2014

Tutanota is the end-to-end encrypted email client that enables you to communicate securely with anyone.

Sep 2, 2015

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

Project Lombok makes Java a spicier language by adding 'handlers' that know how to build and compile simple, boilerplate-free, not-quite-java code.

Sep 18, 2014

logback-android brings the power of logback to Android. This library provides a highly configurable logging framework for Android apps, supporting multiple log destinations simultaneously.

Jul 5, 2014

A library for testing javac compilation with or without annotation processors.

Aug 30, 2015

Android view for displaying PDFs rendered with PdfiumAndroid.

Jun 23, 2016

Design pattern samples implemented in Java.

Sep 17, 2014

Scan QR Codes with:

  • Firebase ML Kit
  • ZXing

And generate them with:

  • QRCode.js
  • ZXing
  • Google Charts
Apr 30, 2019

This open-source library contains classes that are useful for a wide range of applications using the Google Maps Android API.

Jul 5, 2014

This plugin provides a task to generate a HTML license report based on the configuration. (eg. licenseDebugReport for all debug dependencies in an Android project).

Applying this to an Android or Java project will generate a the license file (open_source_licenses.html) in the <project>/build/reports/licenses/.

Mar 6, 2017

Drop-in replacement for Image() composables featuring support for pan & zoom gestures and automatic sub‑sampling of large images that'd otherwise not fit into memory.

Jan 11, 2024