在想要查看的 UIView 附近打个断点，运行，直到停在断点处，在控制台键入：po [view recursiveDescription]，回车。
(lldb) po [self recursiveDescription]
<BPSearchBar: 0xaab5fe0; baseClass = UISearchBar; frame = (1140; 50044); text = ‘‘; opaque = NO; autoresize = LM+RM+TM; gestureRecognizers = <NSArray: 0xaab7c80>; layer = <CALayer: 0xaab6210>>
| <UIView: 0xaab7470; frame = (00; 50044); clipsToBounds = YES; autoresize = W+H; layer = <CALayer: 0xaab74d0>>
| | <UISearchBarBackground: 0xaab7f90; frame = (00; 50044); opaque = NO; userInteractionEnabled = NO; layer = <CALayer: 0xaab80e0>>
| | <UISearchBarTextField: 0xaab8bf0; frame = (88; 48428); text = ‘‘; clipsToBounds = YES; opaque = NO; gestureRecognizers = <NSArray: 0xb9c4a30>; layer = <CALayer: 0xaab8d80>>
| | | <UITextFieldBorderView: 0xb9d37e0; frame = (00; 48428); opaque = NO; layer = <CALayer: 0xb9d38f0>>
| | | <UIImageView: 0xaabb4c0; frame = (2327.5; 12.512.5); opaque = NO; userInteractionEnabled = NO; layer = <CALayer: 0xaabb0e0>>
(lldb)
原文：http://www.cnblogs.com/ihojin/p/view-recursivedescription.html
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