iOS 11 AdMob SDK access UI on the main thread: Is this being addressed? - Google Groups
objc1908 | Andrew's Blog
UIView init] must be used from main thread only · Issue #3 · nisheeSheth/Custom_SliderView · GitHub
UIView init] must be used from main thread only · Issue #3 · nisheeSheth/Custom_SliderView · GitHub
SOLVED: Day 39: Course code throws warning "-[UINavigationController tabBarItem] must be used from main thread only" – 100 Days of Swift – Hacking with Swift forums
iOS]主线程问题:提醒Main Thread Checker: UI API called on a background thread的解释- 简书
UIImageView.image must be used from main thread only · Issue #827 · onevcat/Kingfisher · GitHub