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UUID Creator is a Java library for generating Universally Unique Identifiers. It generates all standard identifiers from UUIDv1 to UUIDv7. It also provides an alternative to the classic JDK's UUID …
The definitive list that answers "I want to do X in Python, which tool should I use?"
Bluetooth Serial Port Profile library
Android蓝牙客户端，支持经典蓝牙和低功耗蓝牙BLE，支持协程Flow扩展CoroutineClient，代码简洁，易扩展、集成
A fully functional Android app built entirely with Kotlin and Jetpack Compose
基于modbus4j的Modbus的Android实现，添加对Android串口（RTU）的支持
Android USB host serial driver library for CDC, FTDI, Arduino and other devices.
This repository contains all the samples files for Urovo Android Smart POS Payment Terminal;Handheld Data Terminal, including the revision history.
A library that makes working with Bluetooth LE on Android a pleasure. Seriously.
自研零反射，零HooK,全动态化，插件化框架，全网唯一结合启动优化的插件化架构，适合小，中，大型项目均可的插件化架构
收集整理Android开发所需的Android SDK、开发中用到的工具、Android开发教程、Android设计规范，免费的设计素材等。
An Android NFC app for reading, writing, analyzing, etc. MIFARE Classic RFID tags.
Android App update library. Android版本更新库，简单、轻量、可随意定制
Android view for displaying PDFs rendered with PdfiumAndroid
🔥🔥🔥 Based on OkHttp encapsulation, support Kotlin Coroutines、RxJava2、RxJava3; 30s to get started.
🚀A lightweight, high availability Android version update framework.(一个轻量级、高可用性的Android版本更新框架)
A Retrofit 2 Converter.Factory for Kotlin serialization.
🎯 ViewfinderView 是一个取景视图：主要用于渲染扫描相关的动画效果。其样式主要分为两大类：经典样式（带扫描框）、流行样式（不带扫描框）；可任意定制。
Tesseract Open Source OCR Engine (main repository)
Android filters based on OpenGL (idea from GPUImage for iOS)
angcyo / CalendarView
Forked from huanghaibin-dev/CalendarViewAndroid上一个优雅、万能自定义UI、支持周视图、自定义周起始、性能高效的日历控件，支持热插拔实现的UI定制！支持标记、自定义颜色、农历、自定义月视图各种显示模式等。Canvas绘制，速度快、占用内存低，你真的想不到日历居然还可以如此优雅！An elegant, highly customized and high-performance Calendar Widget on Android.
A highly customizable calendar view and compose library for Android and Kotlin Multiplatform.