UIAlertViewStyleDefault about ui7kit HOT 11 CLOSED

I have a question. I found you prefer UIScreen to UIWindow to measure screen size. Any reason or benefit of it? I am not good at these issue. I want to know if it is reasonable or preference. Thanks for recent patches!

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Mmm,just a preference)

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I retouched some lines.

I think we cannot assign frame in -show methods. It breaks showing animation. If we want to arrange items to center, we should move up and down all the subviews including backgroundView.

So I removed the self.frame part. I think we can calculates total height and set each subviews frame one by one.

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hm. "we can calculates total height and set each subviews frame one by one" actually it's bad idea for future enhancements. In non-default UIAlertView styles all subviews got CGRectZero as frame property(

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ah,seem like u have already fixed that lol, thanks

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I didn't fix it. Instead of fixing, I gave up to align it to center.

Any good idea to changing them before starting animation?

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mmm try to use - (void)willPresentAlertView:(UIAlertView *)alertView

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A word on UIScreen vs UIWindow.

It is possible to to open many UIWindows at different sizes. You should always find size of the screen from UIScreen at which the view is being drawn on (for example, it is possible to present on a secondary screen).

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@LeoNatan Thank you for the advice. I thought UIAlertView should be shown in the middle of the window. Is this right?

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UIAlertView (the system implementation) opens a private subclass of UIWindow and displays it in the middle of the screen. If I recall correctly, this is the same behavior in both iPhone and iPad.

On the other hand, UIActionSheet on iPhone opens a private subclass of UIWindow while on iPad it is a private popover controller that is pushed into the view hierarchy.

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Thank you very much! Great hint for implementation.

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