Youzan Coder
Jul 10, 2019 · Mobile Development
Implementation of Local Packet Capture in Youzan Mobile Assistant Using VPNService, tun2socks, and Socket.IO
The article details how the Youzan Mobile Assistant adds a local packet‑capture module that leverages Android VpnService/iOS NetworkExtension and tun2socks to route traffic through a SOCKS5 proxy, then uses Socket.IO to push request and response data in real time to the app’s UI while keeping the app alive in the background.
AndroidMobile DevelopmentVPNService
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