UIActivityViewControllerCompletionHandler 怎么做? [英] UIActivityViewControllerCompletionHandler How to?

问题描述

我正在尝试使用 UIActivityViewControllerCompletionHandler ，但我不太明白如何..

I am trying to use the UIActivityViewControllerCompletionHandler , but i dont quite get how..

我想检测用户何时完成或关闭此视图控制器(UIActivityViewController).

I want to detect when the user finishes or dismisses this view controller (UIActivityViewController).

有人知道怎么做吗?

推荐答案

typedef void (^UIActivityViewControllerCompletionHandler)
    (NSString *activityType, BOOL completed);

完成处理程序的第二个参数告诉您用户是否关闭了控制器.如果他们解除了控制器，completed 将设置为 NO.

The second parameter of the completion handler tells you whether the user dismissed the controller. If they dismissed the controller, completed will be set to NO.

完成处理程序的文档.

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