macos - 如何实例化私有/隐藏的Objective C框架类？

发布于 2020-03-27 10:36:53

如果执行AppKit 的类转储，它将显示该框架中定义的多个私有/隐藏类。

下面的类是一个示例：

__attribute__((visibility("hidden")))
@interface _NSFullScreenWindow : NSWindow
{
}

- (BOOL)canBecomeKeyWindow;

@end

您如何创建旨在私有/隐藏在Objective-C中的类的实例？

我知道不应该访问私有/隐藏的类，因此不需要道德课。

提问者

Robin Andersson

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145

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查看原文

Robin Andersson 2019-07-04 15:34

您可以按名称访问该类并实例化它，如下所示：

Class winClass = NSClassFromString(@"_NSFullScreenWindow");
id win = [winClass new];

运行该代码后，Win将是指向_NSFullScreenWindow实例的指针。

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macos - 如何实例化私有/隐藏的Objective C框架类？

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