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Image doodle for Android, with functions such as undo, zoom, move, text, image, etc. Also a powerful, customizable and extensible doodle framework & multi-function drawing board. Android图片涂鸦，具有撤消，缩…
Make Android transparent statusbar and navigationbar easy.
A powerful 🚀 Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, panning and animations.
Android Bluetooth Low Energy (BLE) Fast Development Framework. It uses simple ways to filter, scan, connect, read ,write, notify, readRssi, setMTU, and multiConnection.
🔥 涵盖了Android系统文件的创建/删除/复制/打开文件(目录)、获取文件(目录)大小、获取常用目录、获取文件名称及后缀、获取MimeType以及MediaStore和SAF的相关操作等常用功能，并且也处理了获取文件Uri/Path的兼容问题、图片压缩和文件选择等功能。
二维码/条码识别、身份证识别、银行卡识别、车牌识别、图片文字识别、黄图识别、驾驶证（驾照）识别
C-OCR是携程自研的OCR项目，主要包括身份证、护照、火车票、签证等旅游相关证件、材料的识别。 项目包含4个部分，拒识、检测、识别、后处理。
Build Android layout dynamically with kotlin, get rid of xml file, which has poor performance
Android 面试宝典、数据结构和算法、音视频 (FFmpeg、AAC、x264、MediaCodec)、 C/C++ 、OpenCV、跨平台等学习记录。【0基础音视频进阶学习路线】
🔥下拉刷新、上拉加载、二级刷新、淘宝二楼、RefreshLayout、OverScroll，Android智能下拉刷新框架，支持越界回弹、越界拖动，具有极强的扩展性，集成了几十种炫酷的Header和 Footer。
Library for Android Camera 1 and 2 APIs. Massively increase stability and reliability of photo and video capture on all Android devices.
A Java serialization/deserialization library to convert Java Objects into JSON and back
A Java library for sending APNs (iOS/macOS/Safari) push notifications
Android view for displaying PDFs rendered with PdfiumAndroid
Luban(鲁班)—Image compression with efficiency very close to WeChat Moments/可能是最接近微信朋友圈的图片压缩算法
🎆 A well-designed local image and video selector for Android
🔥 Android developers should collect the following utils(updating).
This is a picker view for android , support linkage effect, timepicker and optionspicker.（时间选择器、省市区三级联动）
Webyog provides monitoring and management tools for open source relational databases. We develop easy-to-use MySQL client tools for performance tuning and database management. Webyog's solutions in…
阿里云计算平台DataWorks(https://help.aliyun.com/document_detail/137663.html) 团队出品，为监控而生的数据库连接池
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