Xcode 7 stuck on "Validating application" when running application on iOS9

Question

I'm trying to run application on my iOS 9 iPad with Xcode 7 and it gets stuck on "Validating application".

Screenshot:

Answer 1

Reboot your mac and/or restart Xcode. Fixed it for me.

Answer 2

I had to restart my iphone also.

Answer 3

I restarted mac, ipad, xcode multiple times, deleted derrived data and after many unsuccessfull tries, I was able to run my app on iPad.