Xcode Release Notes | Swift (Programming Language) | Objective C
UIImageView.image must be used from main thread only · Issue #827 · onevcat/Kingfisher · GitHub
![UIView setHidden:] must be used from main thread only · Issue #46 · gang544043963/LGPhotoBrowser · GitHub](https://user-images.githubusercontent.com/13481443/39958918-6391ef76-563c-11e8-92e0-ec35bbea24e8.png "UIView setHidden:] must be used from main thread only · Issue #46 · gang544043963/LGPhotoBrowser · GitHub")
UIView setHidden:] must be used from main thread only · Issue #46 · gang544043963/LGPhotoBrowser · GitHub
Xcode9 新特性之Main Thread Checker - 简书
SB Examples, Resymbolicating a Stripped ObjC Binary | raywenderlich.com
Xcode 9 的Main Thread Checker. 開發iOS App 時，有些事情，我們一定得在main thread… | by 彼得潘的iOS App Neverland | 彼得潘的Swift iOS App 開發問題解答集
iOS Core Animation: Advanced Techniques
![iOS]主线程问题:提醒Main Thread Checker: UI API called on a background thread的解释- 简书](http://upload-images.jianshu.io/upload_images/4808506-c88d30cdcf22c0fd.png "iOS]主线程问题:提醒Main Thread Checker: UI API called on a background thread的解释- 简书")
iOS]主线程问题:提醒Main Thread Checker: UI API called on a background thread的解释- 简书
![background thread: -[UIView subviews] must be used from main thread only · Issue #184 · CoderZhuXH/XHLaunchAd · GitHub](https://user-images.githubusercontent.com/27879437/60232551-83e53680-98cf-11e9-9486-9711a4d0f275.png "background thread: -[UIView subviews] must be used from main thread only · Issue #184 · CoderZhuXH/XHLaunchAd · GitHub")
background thread: -[UIView subviews] must be used from main thread only · Issue #184 · CoderZhuXH/XHLaunchAd · GitHub
UIImageView.image must be used from main thread only · Issue #827 · onevcat/Kingfisher · GitHub
Table View Guide | CodePath iOS Cliffnotes
vishnukrish: iOS Interview Questions 2017
Xcode UIView.init(frame:) must be used from main thread only - Stack Overflow
![SOLVED: Day 39: Course code throws warning "-[UINavigationController tabBarItem] must be used from main thread only" – 100 Days of Swift – Hacking with Swift forums](https://avatars.githubusercontent.com/u/2793158 "SOLVED: Day 39: Course code throws warning \"-[UINavigationController tabBarItem] must be used from main thread only\" – 100 Days of Swift – Hacking with Swift forums")
SOLVED: Day 39: Course code throws warning "-[UINavigationController tabBarItem] must be used from main thread only" – 100 Days of Swift – Hacking with Swift forums
![Developers - -[UIView layer] must be used from main thread only -](https://user-images.githubusercontent.com/18483234/48465083-a16fff00-e81c-11e8-89a7-4b51136f028f.png "Developers - -[UIView layer] must be used from main thread only -")
Developers - -[UIView layer] must be used from main thread only -
![iOS] main thread problem: Remind Main Thread Checker: UI API called on a background thread - Programmer Sought](https://www.programmersought.com/thumbs/650/429f2f2297fe769bcb175385b4571f6a.png "iOS] main thread problem: Remind Main Thread Checker: UI API called on a background thread - Programmer Sought")
iOS] main thread problem: Remind Main Thread Checker: UI API called on a background thread - Programmer Sought
![UIView init] must be used from main thread only · Issue #3 · nisheeSheth/Custom_SliderView · GitHub](https://user-images.githubusercontent.com/41884762/55535322-8d3f7800-56bf-11e9-9e61-55239d8af8fc.gif "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
Custom Views | CodePath iOS Cliffnotes
![UIView init] must be used from main thread only · Issue #3 · nisheeSheth/Custom_SliderView · GitHub](https://avatars3.githubusercontent.com/u/41884762?s=88&v=4 "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
![Main Thread Checker: UI API called on a background thread: -[UIApplication applicationState] - Stack Overflow](https://i.stack.imgur.com/lazOo.png "Main Thread Checker: UI API called on a background thread: -[UIApplication applicationState] - Stack Overflow")
Main Thread Checker: UI API called on a background thread: -[UIApplication applicationState] - Stack Overflow
iOS – Jacklandrin's blog
Subjective Objective-C: Writing high-quality view controller containers
![Main Thread Checker: UI API called on a background thread: -[UIApplication applicationState] - Stack Overflow](https://i.stack.imgur.com/veO49.png "Main Thread Checker: UI API called on a background thread: -[UIApplication applicationState] - Stack Overflow")
Main Thread Checker: UI API called on a background thread: -[UIApplication applicationState] - Stack Overflow
Is it ok to create a UIView on a background thread? - Stack Overflow
