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我在我的項目中使用makeObjectsPerformSelector:
makeObjectsPerformSelector:總是發生在主線程上嗎?
[view.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)]
一個代碼行。這是否總是發生在主線程上?
我在我的項目中使用makeObjectsPerformSelector:
makeObjectsPerformSelector:總是發生在主線程上嗎?
[view.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)]
一個代碼行。這是否總是發生在主線程上?
不一定。方法將運行在他們被調用的線程,除非他們的文檔另有規定。比較performSelectorOnMainThread:withObject:waitUntilDone:
和performSelector:onThread:withObject:waitUntilDone:modes: