在所有内容（甚至键盘）上显示uiview

Question

In my application, I sometimes show a message to the user and I want it to be on top of everything (even keyboard), like a UIAlertView could do.

I googled it and found the solution which is:

    [[[[UIApplication sharedApplication] delegate] window] addSubview:myViewOnTop];

This works. However this is not documented, so I guess Apple won't accept it, right ?

What do you think about it ? Do you know an Apple legacy way to do it ?

Thanks

Vincent

Answer 1

UIWindow is just a subclass of UIView. Therefore the addSubView function is documented which should make it acceptable :)

Answer 2

addSubView: is documented and should not be a problem. However, you should ensure that you do not violate one of the gazillion clauses included in the Human Interface Guidelines.

Answer 3

将您的视图直接添加到keyWindow。