I just added a Watch app to my project and try :
override func awakeWithContext(context: AnyObject?) {
super.awakeWithContext(context)
let re
For those using real hardware and not the simulator, I had this issue. The problem is I'd selected my individual developer account as my code signer. In doing so, I had to go to:
Settings > General > Profiles > Device Management > (my email)
and then tap the Trust (my email) to trust my individual account.
After I did this, cmd-R ran my code on my watch/phone just fine.