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我在我的项目中使用makeObjectsPerformSelector:
makeObjectsPerformSelector:总是发生在主线程上吗?
[view.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)]
一个代码行。这是否总是发生在主线程上?
我在我的项目中使用makeObjectsPerformSelector:
makeObjectsPerformSelector:总是发生在主线程上吗?
[view.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)]
一个代码行。这是否总是发生在主线程上?
不一定。方法将运行在他们被调用的线程,除非他们的文档另有规定。比较performSelectorOnMainThread:withObject:waitUntilDone:
和performSelector:onThread:withObject:waitUntilDone:modes: