CAT 作为服务端项目基础组件，提供了 Java, C/C++, Node.js, Python, Go 等多语言客户端，已经在美团点评的基础架构中间件框架（MVC框架，RPC框架，数据库框架，缓存框架等，消息队列，配置系统等）深度集成，为美团点评各业务线提供系统丰富的性能指标、健康状况、实时告警等。

Android Asynchronous Networking and Image Loading

An awesome list of tips for Android.

Listen to current network traffic in the app and categorize the quality of the network.

Network Diagnosis for Android

This is the simplest possible Android application showing how to use brilliant OkHttp library. Project simply downloads an image file using OkHttp and shows the image on an image view. That's all :)

封装tcpdump实现APK抓包第一版