More info: http://androidmakers.fr/schedule/?ses… If you’ve used Firebase Performance Monitoring, you know that it automatically discovers and reports performance metrics for all the HTTP transactions in your app. But have you ever wondered how it does that? Android doesn’t provide any APIs to listen in on an arbitrary connection (that would be a security problem!), and Firebase supports URLConnection, Apache, and OKHTTP APIs. The secret here is bytecode manipulation at build time using …