(Instrument Tool) >Time Profile> can not select the device (my phone)
the status of the device about my phone is offline
so I can not use TimeProfile to debug my app
My devices :
Xcode Version 10.1 (10B61)
Iphone 6 plus : system version 12.0
MacBook Pro: macOS Mojave 10.14.2
the question is like this:
