Main Thread Checker: UI API called on a background thread: -[UIApplication applicationState]
[reports] Main Thread Checker: UI API called on a background thread: -[UIApplication applicationState]
PID: 7847, TID: 1377868, Thread name: com.apple.CoreMotion.MotionThread, Queue name: com.apple.root.default-qos.overcommit, QoS: 0
使用 MBProgressHUD *hud = [MBProgressHUD showHUDAddedTo:view animated:YES];会报以上警告
原因:苹果系统版本问题 (12.1.4版本)
https://github.com/jdg/MBProgressHUD/issues/552
解决:修改 MBProgressHUD引用
pod 'MBProgressHUD', :git => 'https://github.com/Casa/MBProgressHUD.git'
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