《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持简中、繁中、English、日本語，提供 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 等代码实现

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

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

Telegram for Android source

Bind Android views and callbacks to fields and methods.

A tool for reverse engineering Android apk files

Implementation of ImageView for Android that supports zooming, by various touch gestures.

Ip2region is an offline IP address manager framework and locator with both IPv4 and IPv6 supported, supporting billions of data segments, ten microsecond searching performance, xdb search client fo…

Powerful and flexible library for loading, caching and displaying images on Android.

27天成为Java大神

Image Cropping Library for Android

业内为数不多致力于极致体验的超强全自研跨平台(windows/linux/android/iOS)流媒体内核，通过模块化自由组合，支持实时RTMP推流、RTSP推流、RTMP播放器、RTSP播放器、录像、多路流媒体转发、音视频导播、动态视频合成、音频混音、直播互动、内置轻量级RTSP服务等，比快更快，业界真正靠谱的超低延迟直播SDK(延迟低至100~200ms)。

Multitask、MultiThread(MultiConnection)、Breakpoint-resume、High-concurrency、Simple to use、Single/NotSingle-process

MediaPlayer exoplayer ijkplayer ffmpeg

Android loading animations

An Android library that makes developers use SQLite database extremely easy.

Android library (AAR). Highly configurable, easily extendable deep zoom view for displaying huge images without loss of detail. Perfect for photo galleries, maps, building plans etc.

An Android library supports badge notification like iOS in Samsung, LG, Sony and HTC launchers.

💸 WeChat's lucky money helper (微信抢红包插件) by Zhongyi Tong. An Android app that helps you snatch red packets in WeChat groups.

一款用于在Android设备上获取照片（拍照或从相册、文件中选择）、裁剪图片、压缩图片的开源工具库

A RecyclerView(advanced and flexible version of ListView in Android) with refreshing,loading more,animation and many other features.

Material Design Music Player

📕 "任阅" 网络小说阅读器，3D翻页效果、txt/pdf/epub书籍阅读、Wifi传书~

[停止维护]Android屏幕适配方案，直接填写设计图上的像素尺寸即可完成适配，最大限度解决适配问题。

仿网易云音乐 安卓版，netease android，音乐播放器 在线 下载

Animation effects to text, not really textview

Android USB host serial driver library for CDC, FTDI, Arduino and other devices.

🗡️ 云阅：一款基于网易云音乐UI，使用玩Android Api，Retrofit2 + RxJava2 + Room + MVVM-databinding架构开发的Android客户端

[DEPRECATED] Easily integrate Camera features into your Android app

AndroidHttpCapture网络诊断工具 是一款Android手机抓包软件 主要功能包括：手机端抓包、PING/DNS/TraceRoute诊断、抓包HAR数据上传分享。你也可以看成是Android版的"Fiddler" \(^o^)/~