Open Source Android Libraries - Page 9
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Libraries for Android
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Highlight Library
A library for app directivity highlighting
Highlight is an Android onboarding and guidance library that draws an overlay to visually emphasize specific UI elements and attach tip content, helping users discover features inside an app. It works by placing a translucent mask over a chosen “anchor” area (often the activity content view) and then “cutting out” or spotlighting target views so they stand out clearly. Developers can define one or more highlighted targets, supply a custom tip layout (for example, an arrow plus text), and position that tip precisely using layout callbacks that provide measurements like margins and bounding rectangles. This makes it well-suited for guided tours, feature callouts after an update, or contextual help flows that need accurate placement across different screen sizes. The library supports highlighting within partial regions as well as full-screen overlays, letting you scope the effect to a specific container when needed. -
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Hover
A floating menu library for Android
Hover is an open source floating menu framework for Android, developed by Nest Labs (a Google company), designed to help developers integrate interactive, persistent floating menus into their mobile applications. It provides a complete out-of-the-box implementation for overlay menus that can expand, collapse, and dynamically update content without disrupting the main user interface. Hover’s architecture allows developers to easily customize behavior and appearance by extending its base classes such as HoverMenuService, HoverMenu, and HoverView. The framework also includes tools for managing hover menus as foreground services, improving compatibility with Android O and later versions. With support for direct instantiation via code or XML, Hover enables flexible integration into a variety of Android UI structures. While still in beta and subject to API changes, it offers a robust, modular foundation for creating multitasking-style floating interfaces in Android apps. -
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J-Focus
一个Javascript脚本实现的动画应用框架
J-Focus是一个Javascript脚本实现的动画应用框架，用于快速地开发基于动画效果的Web应用。 J-Focus is a Javascript script to achieve the animation application framework for rapid development of Web applications based on the animated. -
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JIProlog
Java Internet Prolog (Moved to GitHub)
N.B. THE PROJECT HAS BEEN MOVED TO GITHUB https://github.com/jiprolog/ JIProlog is a cross-platform pure Java 100% Prolog interpreter that integrates Prolog and Java languages in a very fashinating way. JIProlog is compliant with the major Prolog interpreters. It supports most of ISO Prolog specifications and the most common and used built-in predicates, JIProlog allows to call Prolog predicates from Java without dealing with native code (JNI or JNA) and allows to invoke Java methods from Prolog in the same way you call predicates. -
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JKCategories
Collection of useful Objective-C Categories extending iOS Frameworks
JKCategories(iOS-Categories), a collection of useful Objective-C Categories extending iOS Frameworks such as Foundation, UIKit, CoreData, QuartzCore, CoreLocation, MapKit Etc. -
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JSRs for Android provides the implementation of some JSRs for the Android platform. JSR 226 (SVG) is available, more to come...
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JVx mobile
JVx for mobile devices
This project brings JVx applications to mobile devices as real native applications. -
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Kotlin Language Server
Kotlin code completion, diagnostics and more for any editor/IDE
A language server that provides smart code completion, diagnostics, hover, document symbols, definition lookup, method signature help and more for Kotlin. -
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Lib Financial Mathematics for Lua
Library Financial for Lua Language
Advanced financial library for Lua language with 65 functionalities for various actions. For more libraries, go to: https://sourceforge.net/u/augustomanzano/profile. To know my curriculum vitae, go to: http://lattes.cnpq.br/8184615061457853 . Augusto Manzano http://www.manzano.pro.br -
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LibBWEntrainment
Extensible Brainwave Entrainment library for Java
LibBWEntrainment is a Free and Open Source Brainwave Entrainment Library for Java. *** It is not a standalone application. *** The library is very flexible, allowing different types of renderers (isochronic, binaural, ...) as well as multiple output devices (speakers, file, socket or even screen), and it can easily be ported to other languages because it doesn't use any proprietary Java feature. Current features: -Javadoc and examples -Extremely lightweight, yet flexible -Easy to use -XML Presets -Multiple Entrainment Tracks -Looping -Isochronic rendering -Output to PC and Android -Output to MP3/FLAC/Wav file -Output to raw Stream Compared to my old LibBinaural, this is twice as fast and much more flexible. A project using this library is available here https://sourceforge.net/projects/isochronic/. -
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Linguer
A lightweight hierarchy-based language library for java.
A lightweight hierarchy-based language library for java. The editor makes editing languages and translating very easy and comfortable. Currently supported file formats are .xml and .llf (Linguer language file). -
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Lullaby
A collection of C++ libraries designed to help teams
Lullaby is a modular collection of high-performance C++ libraries developed by Google for creating immersive virtual and augmented reality (VR/AR) experiences. It provides a flexible framework built around an Entity-Component-System (ECS) architecture, enabling developers to design efficient, scalable, and data-driven 3D applications. The framework includes tools and APIs for rendering full 3D environments, managing spatial audio, handling animations, and constructing interactive UI elements optimized for VR interfaces. Lullaby’s design promotes rapid iteration and cross-platform deployment, offering support for Android, iOS, Linux, and Windows. It integrates seamlessly with existing Android applications through a Java-based API and supports popular VR platforms such as Google Cardboard and Daydream. Originally used across multiple Google VR products, Lullaby serves as a foundation for building interactive worlds, responsive UIs, and dynamic simulations within immersive environments. -
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MMdnn
Tools to help users inter-operate among deep learning frameworks
MMdnn is a set of tools to help users inter-operate among different deep learning frameworks. E.g. model conversion and visualization. Convert models between Caffe, Keras, MXNet, Tensorflow, CNTK, PyTorch Onnx and CoreML. MMdnn is a comprehensive and cross-framework tool to convert, visualize and diagnose deep learning (DL) models. The "MM" stands for model management, and "dnn" is the acronym of deep neural network. We implement a universal converter to convert DL models between frameworks, which means you can train a model with one framework and deploy it with another. During the model conversion, we generate some code snippets to simplify later retraining or inference. We provide a model collection to help you find some popular models. We provide a model visualizer to display the network architecture more intuitively. We provide some guidelines to help you deploy DL models to another hardware platform. -
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Mapbox GL Native
Interactive, thoroughly customizable maps
Interactive, thoroughly customizable maps in native Android, iOS, macOS, Node.js, and Qt applications, powered by vector tiles and OpenGL. A C++ library that powers customizable vector maps in native applications on multiple platforms by taking stylesheets that conform to the Mapbox Style Specification, applying them to vector tiles that conform to the Mapbox Vector Tile Specification, and rendering them using OpenGL or Metal. To embed interactive maps into a native application using a platform-specific language, install the Mapbox Maps SDK. We use CMake to build Mapbox GL Native for various platforms, including Linux, Android, iOS, macOS and Windows. The provided command, executed from the root of this repository tree, will build Mapbox GL Native targeting your host architecture given that you have all the dependencies installed and run the example app. -
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Mars
A cross-platform network component developed by WeChat
Mars is an open source, cross-platform infrastructure component and official terminal basic component of WeChat. It consists of four main parts: Comm, which contains a basic library, including basic tools like sockets, threads, alarm, message queues, and coroutines; Xlog, which provides high-performance, high-availability, security, and fault-tolerant log functions; SDT which is the network diagnosis module; and STN or signaling transmission network module, the major component of Mars responsible for the small data signaling channel between the terminal and the server. Mars has been proven effective by billions of WeChat users. It supports Android, iOS/macOS and Windows platforms, and is very mobile platform friendly due to its minimal power and traffic consumption. -
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Material Design Android Library
A library with components of Android L to you use in Android 2.2
If you want use this library, you only have to download MaterialDesign project, import it into your workspace and add the project as a library in your android project settings. If you are going to use a ScrollView, it is recommended that you use the CustomScrollView provided in this library to avoid problems with the custom components. You can set the accept and cancel button on the event listener or change its text. Some components have custom attributes, if you want use them, you must add some code lines in your xml file in the first component. It is recommended to put the Button component in the right-bottom of the screen. To use this component write the code in your xml file. If you don`t want to start this component with animation set the animate attribute to false. Put your icon in the icon attribute to set the drawable icon for this component. -
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MaterialLibrary
A library for fully animated Material Design components
MaterialLibrary is an open source Android library that back-port Material Design components to pre-Lolipop Android. MaterialLibrary's original author is Rey Pham. Now you can use any widget in com.rey.material.widget package as you wish. For styling, please view Wiki. Note that default style of widgets depend on theme of AppCompat. AppCompat and CardView library is required by Material library. Make sure to add the snapshot repository. You can try the SNAPSHOT version. -
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OK, Gradle!
IntelliJ/Android Studio plugin for searching artifacts ids
IntelliJ/Android Studio plugin for searching artifacts ids of popular Java libraries. This plugin is in JetBrains Plugins Repository! Use those for adding new dependencies easily to your build.gradle/build.gradle.kts files. -
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Object-oriented database
Object-Oriented Database in C# with PowerShell interface
- Suitable for mobile apps, enterprise software in C#, data science tasks. - Can be easily used as a local database in C# application or used as database server. - Nested data structures supported. - PowerShell interface for interactive mode and scripting. - Available as cloud database on ENGITEX own cloud as well as for local deployment. See project Wiki for more. -
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OpenSkyNet - Moving towards a comprehensive artificial intelligence solution for game developers under the LGPL. The goals are to implement action selection solvers, robust steering behaviors (including pathfinding algorithms), and machine learning.
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PieceOCake
A ridiculously simple Java save/load library
Do you ever curse Java for making it so ridiculously difficult just to save and load data? Do you ever say something like the following: "All I want to do is save the user's data! I don't want to deal with your BufferedWriters and HashMapThingies and stuff!" ...all in a remarkably incensed tone? Well, DON'T! There's a solution! It's a PIECE O' CAKE! Just use this handy dandy library and you can save/load like a champ. Forget about said BufferedWriters and HashMapThingies. What's so cakeriffic about this library: -Can store Strings, ints, and String arrays faithfully -Can completely ignore what goes on behind the scenes -Save() and load() methods to get your data. That's it. -So easy a subpar baker could use it How do you use it? Easy. -Tell PieceOCake what data you want to store. -Call the load() function. -Use get() and set() to, well, get and save your data. That's it. It's a Piece O Cake! -
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Provider
InheritedWidgets, but simple
provider is a lightweight state management approach for Flutter that wraps InheritedWidget to expose data down the widget tree in a clean, idiomatic way. It popularized simple patterns like ChangeNotifierProvider and Consumer to rebuild only the widgets that need updates. The library offers convenient providers for synchronous values, streams, and futures, plus utilities like MultiProvider and ProxyProvider to compose dependencies. Its appeal is minimal boilerplate, readability, and ease of onboarding for teams new to Flutter. Because it relies on Flutter’s core mechanisms, it integrates seamlessly with common architectural styles and existing widgets. Many apps use provider as a baseline pattern, and later evolve toward more advanced solutions as complexity grows—without discarding the conceptual model provider introduces. -
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QZXing
Qt wrapper library for the ZXing decoding library.
The project has been relocated at https://github.com/ftylitak/qzxing/ -
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React Native Vector Icons
Customizable Icons for React Native with full styling
Perfect for buttons, logos and nav/tab bars. Easy to extend, style and integrate into your project. If you want to use any of the bundled icons, you need to add the icon fonts to your Xcode project. For each platform (iOS/Android/Windows) you plan to use, follow one of the options for the corresponding platform. Upgrading this package often requires the font files linked to your projects to be updated as well. If the automatic linking works for you, running this again should update the fonts. You can either use one of the bundled icons supported or roll your own custom font. Since Icon builds on top of the Text component, most style properties will work as expected, you might find it useful to play around with background color, border width, border color, border radius, padding, margin, color, font size, etc.
