Quote Originally Posted by maks View Post
I got it working, sort of. I successfully spawned a background service, it detects incoming calls and sends a packet like it should. however

on the emulator, I need to specify an address, a broadcast address won't work. probably because the emulator thinks it's on cellular and you can't broadcast on a wan

on the actual phone, it only works if the app is in the foreground, the service doesn't seem to be listening after I hit the home button.
It sounds like you need a backend server to run UDP server to communicate bewteen the cellphones which are listening to specify address