On Jan 27, 2014, at 2:44 PM, Rick Mann <[email protected]> wrote:
> Well, by chance I found the cause of the problem, although I don't understand
> why. In my root view controller, I had this code, based on a StackOverflow
> answer I found about positioning a custom UIToolbar such that it would not be
> obscured by the status bar:
>
> - (void)
> viewWillLayoutSubviews
> {
> self.view.frame = [UIScreen mainScreen].applicationFrame;
> [super viewWillLayoutSubviews];
> }
Basically a view or view controller should never modify their external
coordinate system, and this does that. There are a great many places where a
parent view controller or window assume they have full control over the views
of their children, and doing stuff like this breaks that control pretty
handidly.
--
David Duncan
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