Main Thread Checker: UI API called on a background thread: -[UIApplication delegate]

Question

Xcode 9 seems to be reporting a lot of Main thread calls to UIApplication properties. Even though the UI is not being updated this is particularly cumbersome due to the exte

Answer 1

If these reporting messages confuse you uncheck them:

1. Edit Scheme...
2. Uncheck "Main Thread Checker" in Run > Diagnostics