iOS - 解决This application is modifying the autolayout engine from a background thread
2016-12-15 16:29
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This application is modifying the autolayout engine from a background thread after the engine was accessed from the main thread. This can lead to engine corruption and weird crashes.
原因
在子线程中进行了对UI控件的操作。比如在子线程下添加了一个UIView，而UI控件的操作都必须在主线程下~解决方案
回到主线程更新UI[[NSOperationQueue mainQueue] addOperationWithBlock:^{
// 进行UI控件的操作
}];
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