How to catch requests from the server from an Android application?

Question

Android

There is an Android application. It has a field for entering the "code".
When you enter the code and click on the "Check" button, a request is sent to some server and the presence of this key in a certain database is checked. Accordingly, the application receives a response to a request with a certain result. Let's say. 1 or 0
How to track where these requests (packets) are sent, to what address, what do they contain?
It is possible to use Android emulators on a PC, but how to properly catch the right packages?

Answer 1

0. View the logs in LogCat, the developer can write requests to the log
1. Decompile the application and see everything you need in the code
2. If there is no SSL, install Wireshark
3. For SSL, use the Google instructions https://developers.google.com/admob/ android/charles