@码农淏 libc++abi.dylib: terminating with uncaught exception of type NSException
*** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Have you sent -setMyBackgroundColor: to <UIDimmingView: 0x148824cb0; frame = (0 0; 0 0); opaque = NO; gestureRecognizers = <NSArray: 0x2801281b0>; layer = <CALayer: 0x280f52360>> off the main thread? To verify, look for a complaint in the logs: "Unsupported use of UIKit…", and fix the problem if you find it. If your use is main-thread only please file a radar on UIKit, and attach this log. exercisedImplementations = {
"setBackgroundColor:" = (
);
"setMyBackgroundColor:" = (
);
}'
terminating with uncaught exception of type NSException
iOS 一键哀悼模式（灰度色盲模式）前阵子清明节为哀悼疫情中去世去的同胞和战士们，全国娱乐设施停业一天，各大厂商的 app 也都启动了灰度色盲模式的 类似效果 下面是本文要实现的效果 因此方案并不完全成熟，本文...
