How to send commands via Bluetooth in Android?

Question

Android

Hello!

Tell me how, after pairing Android with an OBD device, send a command and get a response? Preferably without using external libraries, I want to understand this and understand how to implement it

Answer 1

Via https://developer.android.com/reference/android/bl...
see more examples of how people do
https://github.com/search?l=Java&q=BluetoothSocket...