Can't find android device using “adb devices” command

Question

I am developing Android application on macOS and my application runs well on the emulator. I want to run it on the device, but when I run adb dev

Answer 1

I was having this problem. It turns out my fix was to change the USB cable I was connecting with. I switched back to using the cable that came with the phone and it worked.

Using Samsung Galaxy Player and Samsung micro USB.

Yes. This is incredibly dumb.