layoutSubview 调用时机
2013年12月09日
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- init does not cause layoutSubviews to be called (duh)
- addSubview causes layoutSubviews to be called on the view being added, the view it’s being added to (target view), and all the subviews of the target view
- setFrame intelligently calls layoutSubviews on the view having it’s frame set only if the size parameter of the frame is different
- scrolling a UIScrollView causes layoutSubviews to be called on the scrollView, and it’s superview
- rotating a device only calls layoutSubview on the parent view (the responding viewControllers primary view)
- removeFromSuperview – layoutSubviews is called on superview only (not show in table)