On Apr 2, 2013, at 10:59 AM, Markus Spoettl <ms_li...@shiftoption.com> wrote:
> I have a hard time figuring out how to get the frame (in the window
> coordinate system) a view will rotate to, when the rotation has just begun.
What are you trying to do?
Typically you don't need to worry about this. The root view controller's view
will have its frame set properly by UIKit, and then all of your other views
will resize with respect to that view's bounds, and as such you don't need to
know how to get the final frame of that view.
>
> I'm observing UIApplicationDidChangeStatusBarFrameNotification on
> NSNotification's defaultCenter. When this notification is delivered, the
> rotation seems to be in progress. At that point I need to know the final
> frame the view is being rotated to.
>
> I've tried everything I could think of including these:
>
> r1 = [[view superview] convertRect:[view frame] toView:nil];
> r2 = [[view window] convertRect:[view bounds] fromView:view];
> r3 = [view convertRect:[view bounds] toView:nil];
> r4 = [[view window] convertRect:[[[view layer] modelLayer] frame]
> fromView:[view superview]];
>
> All get me the same results all the time (expected) but depending on the
> rotation direction and the previous orientation, I get nonsensical results
> like
>
> {{52, 0}, {268, 480}}
>
> or
>
> {{-80, 80}, {416, 320}}
>
> for a window-filling view (with a navigation bar visible). This led me to
> believe that I'm getting coordinates the view is set up to rotate from when
> the orientation changes. I can't for the life of me find a way to get the new
> frame that the view will have when the animation is complete.
>
> I feel like I'm missing something obvious, any ideas?
>
> Regards
> Markus
> --
> __________________________________________
> Markus Spoettl
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David Duncan
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