Mysterious navigation controller bar gone

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It has happened more than once, but today, something even more mysterious happened to me. After restarting my macbook and reopening Xcode, 3 of my views lost their navigation bars on the interface builder.

Like so: [img]http://ift.tt/1upy8YE]

However, running it on the simulator still shows the navigation toolbar on the top of the screen.

[img]http://ift.tt/1CyuYAH]

Any idea on what's happening here? I restarted my computer once again, to see if that changes anything, but to no avail.

This problem also happens sometimes, when I place a brand new view controller and embed a navigation controller into it. The toolbar simply doesn't show on the view in the interface builder.

asked 34 secs ago

Kelvin Lau

1

Mysterious navigation controller bar gone