Xcode: debug step into key conflict (F7)

macos xcode keyboard keybindings itunes

Check "Use all F1, F2, etc. keys as standard function keys" in Keyboard Preferences.

Keyboard Preferences

Related

Macbook Pro Fan fullspeed, no temperature and keyboard backlight
Connection Interrupted error in iOS simulators after updating to xcode 7
Using Terminal to truncate filenames in directory
iOS 9 and most recent contacts on top of screen in app switcher
Super bad audio quality from iPhone 6s Plus speaker
Restoring Yosemite server after unloading launch daemons
Photos: Search all photos captured by a particular device (iPhone 5s)
El Capitan Spotlight returning no results for natural language searches
csrutil is broken on Recovery HD
Does the new 12" MacBook (2015) allow for dual displays, or just display mirroring?
Remove mysql 5.6.26-community
How to fix SyncMate kernel panic at El Capitan boot