| メソッド | 説明 |
|---|---|
| -[NSObject _ivarDescription] | インスタンス変数をすべて表示 |
| -[NSObject _shortMethodDescription] | オブジェクトのメソッドをすべて表示 |
| -[NSObject _methodDescription] | オブジェクトのメソッドをすべて表示(スーパークラス含む) |
| -[UIView recursiveDescription] | Viewの構造表示 |
| -[UIView _autolayoutTrace] | ViewのAutoLayout関連情報表示 |
| -[UIViewController _printHierarchy] | ViewControllerの構造表示 |
使用例
- -[NSObject _ivarDescription]
(lldb) po [self _ivarDescription]
<DetailViewController: 0x7fc94b637db0>:
in DetailViewController:
in UIViewController:
_view (UIView*): <UIView: 0x7fc94b63c360>
_tabBarItem (UITabBarItem*): nil
_navigationItem (UINavigationItem*): <UINavigationItem: 0x7fc94b63ae20>
_toolbarItems (NSArray*): nil
_title (NSString*): nil
_nibName (NSString*): @"jAO-Jw-mTY-view-IBP-J8-Ec0"<__NSCFString: 0x7fc94b6380e0>
_nibBundle (NSBundle*): <NSBundle: 0x7fc94b61bc40>
_parentViewController (UIViewController*): <UINavigationController: 0x7fc94b71dbc0>
_childModalViewController (UIViewController*): nil
_parentModalViewController (UIViewController*): nil
_previousRootViewController (UIViewController*): nil
_modalTransitionView (UIView*): nil
_modalPreservedFirstResponder (UIResponder*): nil
_dimmingView (id): nil
_dropShadowView (id): nil
_currentAction (id): nil
_storyboard (UIStoryboard*): <UIStoryboard: 0x7fc94b716f50>
_storyboardSegueTemplates (NSArray*): nil
_externalObjectsTableForViewLoading (NSDictionary*): <__NSCFDictionary: 0x7fc94b6380a0>
_topLevelObjectsToKeepAliveFromStoryboard (NSArray*): nil
_savedHeaderSuperview (UIView*): nil
_savedFooterSuperview (UIView*): nil
_editButtonItem (UIBarButtonItem*): nil
_searchDisplayController (UISearchDisplayController*): nil
_modalTransitionStyle (long): <00000000 00000000>
_modalPresentationStyle (long): <00000000 00000000>
_lastKnownInterfaceOrientation (long): <00000000 00000000>
_popoverController (UIPopoverController*): nil
_containerViewInSheet (UIView*): nil
_contentSizeForViewInPopover (CGSize): {0, 0}
_formSheetSize (CGSize): {540, 620}
_recordedContentScrollView (UIScrollView*): nil
_afterAppearance (unknown type)
_explicitAppearanceTransitionLevel (long): <00000000 00000000>
_keyCommands (NSArray*): nil
_overrideTraitCollections (NSMapTable*): nil
_viewControllerFlags (unknown type)
_retainCount (long): <00000000 00000000>
_ignoreAppSupportedOrientations (BOOL): <00>
_viewHostsLayoutEngine (BOOL): <00>
_storyboardIdentifier (NSString*): @"UIViewController-jAO-Jw-mTY"<__NSCFString: 0x7fc94b71d800>
_transitioningDelegate (<UIViewControllerTransitioningDelegate>*): nil
_modalPresentationCapturesStatusBarAppearance (BOOL): <00>
_childViewControllers (NSMutableArray*): nil
_customNavigationInteractiveTransitionDuration (double): 0
_customNavigationInteractiveTransitionPercentComplete (double): 0
_customTransitioningView (UITransitionView*): nil
_lastNotifiedTraitCollection (UITraitCollection*): <UITraitCollection: 0x7fc94b48a440>
_presentationController (UIPresentationController*): nil
_navigationControllerContentOffsetAdjustment (double): 0
_contentMargin (double): 16
_topLayoutGuide (_UILayoutGuide*): <_UILayoutGuide: 0x7fc94b63d3e0>
_bottomLayoutGuide (_UILayoutGuide*): <_UILayoutGuide: 0x7fc94b63d6c0>
_topBarInsetGuideConstraint (NSLayoutConstraint*): <_UILayoutSupportConstraint: 0x7fc94b63cc20>
_bottomBarInsetGuideConstraint (NSLayoutConstraint*): <_UILayoutSupportConstraint: 0x7fc94b63a950>
_leftLayoutGuide (_UILayoutGuide*): nil
_rightLayoutGuide (_UILayoutGuide*): nil
_leftMarginGuideConstraint (NSLayoutConstraint*): nil
_rightMarginGuideConstraint (NSLayoutConstraint*): nil
_sourceViewControllerIfPresentedViaPopoverSegue (UIViewController*): nil
_modalSourceViewController (UIViewController*): nil
_presentedStatusBarViewController (UIViewController*): nil
_edgesForExtendedLayout (unsigned long): <0f000000 00000000>
__embeddedView (UIView*): nil
__embeddingView (UIView*): nil
__embeddedDelegate (<_UIViewControllerContentViewEmbedding>*): nil
_originalPresentationController (UIPresentationController*): nil
_temporaryPresentationController (UIPresentationController*): nil
__childControllerToIgnoreWhileLookingForTransitionCoordinator (UIViewController*): nil
_preferredContentSize (CGSize): {0, 0}
_presentationSizeClassPair (unknown type)
_navigationControllerContentInsetAdjustment (UIEdgeInsets): {0, 0, 0, 0}
_contentOverlayInsets (UIEdgeInsets): {64, 16, 0, 16}
__embeddedViewFrame (CGRect): {{0, 0}, {0, 0}}
in UIResponder:
in NSObject:
isa (Class): DetailViewController (isa, 0x10e2cbd90)
- -[NSObject _shortMethodDescription]
(lldb) po [self _shortMethodDescription]
<DetailViewController: 0x7fc94b637db0>:
in DetailViewController:
Instance Methods:
- (void) PrintDebugLog:(id)arg1; (0x10e2c9df0)
- (void) didReceiveMemoryWarning; (0x10e2c9db0)
- (void) viewDidLoad; (0x10e2c9d70)
(UIViewController ...)
- -[NSObject _methodDescription]
(lldb) po [self _methodDescription]
<DetailViewController: 0x7fc94b637db0>:
in DetailViewController:
Instance Methods:
- (void) PrintDebugLog:(id)arg1; (0x10e2c9df0)
- (void) didReceiveMemoryWarning; (0x10e2c9db0)
- (void) viewDidLoad; (0x10e2c9d70)
in UIViewController:
Class Methods:
+ (void) initialize; (0x10f0859c2)
+ (id) _currentStatusBarStyleViewController; (0x10f0a2630)
+ (id) _currentStatusBarHiddenViewController; (0x10f0a2671)
+ (void) _performWithoutDeferringTransitions:(^block)arg1; (0x10f096163)
+ (void) _traverseViewControllerHierarchyWithDelayedRelease:(^block)arg1; (0x10f0919d0)
+ (id) viewControllerForView:(id)arg1; (0x10f091287)
+ (id) _viewControllerForFullScreenPresentationFromView:(id)arg1; (0x10f09d2ad)
+ (BOOL) _allViewControllersInArray:(id)arg1 allowAutorotationToInterfaceOrientation:(long)arg2 predicate:(^block)arg3; (0x10f09f5ec)
+ (double) _slimHorizontalContentMargin; (0x10f08563f)
+ (BOOL) _preventsAppearanceProxyCustomization; (0x10f0899e3)
+ (double) durationForTransition:(int)arg1; (0x10f09d79c)
+ (double) _standardHorizontalContentMargin; (0x10f0855cc)
+ (void) _scheduleTransition:(^block)arg1; (0x10f0961f9)
+ (id) _traitCollectionWithParentTraitCollection:(id)arg1 overrideTraitCollection:(id)arg2; (0x10f08a14b)
+ (BOOL) _directlySetsContentOverlayInsetsForChildren; (0x10f0849c0)
+ (BOOL) doesOverrideViewControllerMethod:(SEL)arg1 inBaseClass:(Class)arg2; (0x10f085c23)
+ (CGSize) defaultFormSheetSize; (0x10f08612a)
+ (BOOL) doesOverrideSupportedInterfaceOrientations; (0x10f085cec)
+ (BOOL) _isNestedViewControllerSupportDisabled; (0x10f085bbb)
+ (BOOL) _synthesizeSupportedInterfaceOrientationsFromShouldAutorotateToInterfaceOrientation; (0x10f086c62)
+ (BOOL) _frameIsNotResizedForDoubleHeightStatusBarChanges:(id)arg1; (0x10f087463)
+ (void) setViewController:(id)arg1 forView:(id)arg2; (0x10f0912d9)
+ (id) existingNibNameMatchingClassName:(id)arg1 bundle:(id)arg2; (0x10f08a80f)
+ (BOOL) _doesOverrideLegacyFullScreenLayout; (0x10f0929dd)
+ (BOOL) _isViewSizeFullScreen:(id)arg1 inWindow:(id)arg2 ignoreInWindowCheck:(BOOL)arg3; (0x10f0929e5)
+ (BOOL) doesOverrideViewControllerMethod:(SEL)arg1; (0x10f085c5a)
+ (BOOL) _shouldUseRootViewControllerAutopromotion; (0x10f085a1c)
+ (void) _traverseViewControllerHierarchyWithDelayedReleaseArray:(const void**)arg1 block:(^block)arg2; (0x10f09161c)
+ (void) _traverseViewControllerHierarchy:(^block)arg1; (0x10f091acf)
+ (id) _printHierarchy; (0x10f0920a7)
+ (BOOL) _shouldUseLegacyModalViewControllers; (0x10f085bef)
+ (BOOL) _isViewSizeFullScreen:(id)arg1 inWindow:(id)arg2; (0x10f093280)
+ (int) _keyboardDirectionForTransition:(int)arg1; (0x10f08d1e3)
+ (BOOL) _shouldDeferTransitions; (0x10f096157)
+ (void) _setShouldDeferTransitions:(BOOL)arg1; (0x10f09614b)
+ (BOOL) _shouldSendLegacyMethodsFromViewWillTransitionToSize; (0x10f09d998)
+ (BOOL) _shouldForwardViewWillTransitionToSize; (0x10f09e301)
+ (BOOL) doesOverridePreferredInterfaceOrientationForPresentation; (0x10f085ca1)
+ (BOOL) _doesOverrideLegacyShouldAutorotateMethod; (0x10f09ebcf)
+ (void) _forceLegacyModalViewControllers:(BOOL)arg1; (0x10f085ba3)
+ (void) _disableNestedViewControllerSupport:(BOOL)arg1; (0x10f085baf)
+ (void) removeViewControllerForView:(id)arg1; (0x10f09129c)
+ (id) _allDescriptions; (0x10f091d43)
+ (BOOL) _optsOutOfPopoverControllerHierarchyCheck; (0x10f0939e9)
+ (void) _setShouldUseLegacyPresentations:(BOOL)arg1; (0x10f096145)
+ (void) setCustomTransitionDuration:(double)arg1; (0x10f09d750)
+ (double) customTransitionDuration; (0x10f09d75e)
+ (void) attemptRotationToDeviceOrientation; (0x10f09ebe8)
+ (id) _exportedInterface; (0x10f563e91)
+ (id) _remoteViewControllerInterface; (0x10f563e89)
+ (id) XPCInterface; (0x10f564033)
+ (BOOL) _isSecureForRemoteViewService; (0x10f563e03)
+ (BOOL) _initializedByViewServices; (0x10f5b860b)
Properties:
@property (retain, nonatomic) UITabBarItem* tabBarItem;
@property (readonly, retain, nonatomic) UITabBarController* tabBarController;
@property (readonly, retain, nonatomic) UISplitViewController* splitViewController;
@property (readonly, retain, nonatomic) UINavigationItem* navigationItem;
@property (nonatomic) BOOL hidesBottomBarWhenPushed;
@property (readonly, retain, nonatomic) UINavigationController* navigationController;
@property (readonly, nonatomic) NSArray* childViewControllers;
@property (readonly, nonatomic) UIView* _embeddedView; (@dynamic _embeddedView;)
@property (readonly, nonatomic) <_UIViewControllerContentViewEmbedding>* _embeddedDelegate; (@dynamic _embeddedDelegate;)
@property (nonatomic) CGSize preferedContentSizeInModalItem; (@dynamic preferedContentSizeInModalItem;)
@property (readonly) unsigned long hash;
@property (readonly) Class superclass;
@property (readonly, copy) NSString* description;
@property (readonly, copy) NSString* debugDescription;
@property (readonly, retain, nonatomic) NSExtensionContext* extensionContext; (@dynamic extensionContext;)
@property (readonly) unsigned long hash;
@property (readonly) Class superclass;
@property (readonly, copy) NSString* description;
@property (readonly, copy) NSString* debugDescription;
@property (retain, nonatomic) UIView* view;
@property (copy, nonatomic) NSString* nibName; (@synthesize nibName = _nibName;)
@property (retain, nonatomic) NSBundle* nibBundle; (@synthesize nibBundle = _nibBundle;)
@property (retain, nonatomic) UIStoryboard* storyboard; (@synthesize storyboard = _storyboard;)
@property (copy, nonatomic) NSString* title; (@synthesize title = _title;)
@property (nonatomic) UIViewController* parentViewController;
@property (readonly, nonatomic) UIViewController* modalViewController;
@property (readonly, nonatomic) UIViewController* presentedViewController;
@property (readonly, nonatomic) UIViewController* presentingViewController;
@property (nonatomic) BOOL definesPresentationContext;
@property (nonatomic) BOOL providesPresentationContextTransitionStyle;
@property (nonatomic) long modalTransitionStyle; (@synthesize modalTransitionStyle = _modalTransitionStyle;)
@property (nonatomic) long modalPresentationStyle; (@synthesize modalPresentationStyle = _modalPresentationStyle;)
@property (nonatomic) BOOL modalPresentationCapturesStatusBarAppearance; (@synthesize modalPresentationCapturesStatusBarAppearance = _modalPresentationCapturesStatusBarAppearance;)
@property (nonatomic) BOOL wantsFullScreenLayout;
@property (nonatomic) unsigned long edgesForExtendedLayout; (@synthesize edgesForExtendedLayout = _edgesForExtendedLayout;)
@property (nonatomic) BOOL extendedLayoutIncludesOpaqueBars;
@property (nonatomic) BOOL automaticallyAdjustsScrollViewInsets;
@property (nonatomic) CGSize preferredContentSize; (@synthesize preferredContentSize = _preferredContentSize;)
@property (readonly, nonatomic) NSArray* storyboardSegueTemplates; (@synthesize storyboardSegueTemplates = _storyboardSegueTemplates;)
@property (nonatomic, setter=_setSourceViewControllerIfPresentedViaPopoverSegue:) UIViewController* _sourceViewControllerIfPresentedViaPopoverSegue; (@synthesize _sourceViewControllerIfPresentedViaPopoverSegue = _sourceViewControllerIfPresentedViaPopoverSegue;)
@property (nonatomic, setter=_setModalSourceViewController:) UIViewController* _modalSourceViewController; (@synthesize _modalSourceViewController = _modalSourceViewController;)
@property (retain, nonatomic) UITransitionView* modalTransitionView;
@property (readonly, nonatomic) UIViewController* _parentViewController;
@property (readonly, nonatomic) UIViewController* _parentModalViewController;
@property (nonatomic) NSMutableArray* mutableChildViewControllers; (@synthesize mutableChildViewControllers = _childViewControllers;)
@property (readonly, nonatomic) unsigned long childViewControllersCount;
@property (retain, nonatomic, setter=_setEmbeddedView:) UIView* _embeddedView; (@synthesize _embeddedView = __embeddedView;)
@property (retain, nonatomic, setter=_setEmbeddingView:) UIView* _embeddingView; (@synthesize _embeddingView = __embeddingView;)
@property (nonatomic, setter=_setEmbeddedViewFrame:) CGRect _embeddedViewFrame; (@synthesize _embeddedViewFrame = __embeddedViewFrame;)
@property (nonatomic, setter=_setEmbeddedDelegate:) <_UIViewControllerContentViewEmbedding>* _embeddedDelegate; (@synthesize _embeddedDelegate = __embeddedDelegate;)
@property (retain, nonatomic, setter=_setLastNotifiedTraitCollection:) UITraitCollection* _lastNotifiedTraitCollection; (@synthesize _lastNotifiedTraitCollection = _lastNotifiedTraitCollection;)
@property (readonly, nonatomic) long _horizontalSizeClass;
@property (readonly, nonatomic) long _verticalSizeClass;
@property (readonly, nonatomic) ? __sizeClassPair;
@property (readonly, nonatomic) UIView* savedHeaderSuperview; (@synthesize savedHeaderSuperview = _savedHeaderSuperview;)
@property (retain, nonatomic) UIViewController* childModalViewController;
@property (nonatomic) UIViewController* parentModalViewController; (@synthesize parentModalViewController = _parentModalViewController;)
@property (retain, nonatomic) UISearchDisplayController* searchDisplayController; (@dynamic searchDisplayController;)
@property (nonatomic) BOOL searchBarHidNavBar;
@property (retain, nonatomic) UIDropShadowView* dropShadowView; (@synthesize dropShadowView = _dropShadowView;)
@property (readonly, nonatomic) BOOL _isModalSheet;
@property (readonly, nonatomic) BOOL _isPresentedFormSheet;
@property (readonly, nonatomic) BOOL _isInSheetPresentation;
@property (retain, nonatomic, setter=_setPresentationController:) UIPresentationController* _presentationController; (@synthesize _presentationController = _presentationController;)
@property (nonatomic, getter=_presentationSizeClassPair, setter=_setPresentationSizeClassPair:) ? presentationSizeClassPair; (@synthesize presentationSizeClassPair = _presentationSizeClassPair;)
@property (retain, nonatomic, getter=_originalPresentationController, setter=_setOriginalPresentationController:) UIPresentationController* originalPresentationController; (@synthesize originalPresentationController = _originalPresentationController;)
@property (retain, nonatomic, getter=_temporaryPresentationController, setter=_setTemporaryPresentationController:) UIPresentationController* temporaryPresentationController; (@synthesize temporaryPresentationController = _temporaryPresentationController;)
@property (readonly, nonatomic) BOOL _useSheetRotation;
@property (readonly, nonatomic) BOOL _isDimmingBackground;
@property (readonly, nonatomic) BOOL isSettingAppearState;
@property (copy, nonatomic) ^block afterAppearanceBlock; (@synthesize afterAppearanceBlock = _afterAppearance;)
@property (nonatomic) CGSize contentSizeForViewInPopover; (@synthesize contentSizeForViewInPopover = _contentSizeForViewInPopover;)
@property (nonatomic) BOOL modalInPopover;
@property (nonatomic, getter=isInWillRotateCallback) BOOL inWillRotateCallback;
@property (nonatomic, getter=isInAnimatedVCTransition) BOOL inAnimatedVCTransition;
@property (readonly, nonatomic) BOOL inExplicitAppearanceTransition;
@property (nonatomic) BOOL appearanceTransitionsAreDisabled;
@property (nonatomic) BOOL disableRootPromotion;
@property (nonatomic) BOOL needsDidMoveCleanup;
@property (nonatomic, getter=isFinishingModalTransition) BOOL finishingModalTransition;
@property (nonatomic) double customNavigationInteractiveTransitionDuration; (@synthesize customNavigationInteractiveTransitionDuration = _customNavigationInteractiveTransitionDuration;)
@property (nonatomic) double customNavigationInteractiveTransitionPercentComplete; (@synthesize customNavigationInteractiveTransitionPercentComplete = _customNavigationInteractiveTransitionPercentComplete;)
@property (retain, nonatomic) UITransitionView* customTransitioningView; (@synthesize customTransitioningView = _customTransitioningView;)
@property (readonly, nonatomic, getter=_window) UIWindow* window;
@property (readonly, nonatomic) BOOL _monitorsSystemLayoutFittingSize;
@property (retain, nonatomic, setter=_setPreviousFittingSizeInfo:) NSDictionary* _previousFittingSizeInfo;
@property (nonatomic, setter=_setNavigationControllerContentInsetAdjustment:) UIEdgeInsets _navigationControllerContentInsetAdjustment; (@synthesize _navigationControllerContentInsetAdjustment = _navigationControllerContentInsetAdjustment;)
@property (nonatomic, setter=_setNavigationControllerContentOffsetAdjustment:) double _navigationControllerContentOffsetAdjustment; (@synthesize _navigationControllerContentOffsetAdjustment = _navigationControllerContentOffsetAdjustment;)
@property (nonatomic, setter=_setContentOverlayInsets:) UIEdgeInsets _contentOverlayInsets; (@synthesize _contentOverlayInsets = _contentOverlayInsets;)
@property (nonatomic, setter=_setContentMargin:) double _contentMargin; (@synthesize _contentMargin = _contentMargin;)
@property (retain, nonatomic, setter=_setPresentedStatusBarViewController:) UIViewController* _presentedStatusBarViewController; (@synthesize _presentedStatusBarViewController = _presentedStatusBarViewController;)
@property (readonly, retain, nonatomic) _UILayoutGuide* topLayoutGuide; (@synthesize topLayoutGuide = _topLayoutGuide;)
@property (readonly, retain, nonatomic) _UILayoutGuide* bottomLayoutGuide; (@synthesize bottomLayoutGuide = _bottomLayoutGuide;)
@property (readonly, retain, nonatomic) _UILayoutGuide* _leftLayoutGuide; (@synthesize _leftLayoutGuide = _leftLayoutGuide;)
@property (readonly, retain, nonatomic) _UILayoutGuide* _rightLayoutGuide; (@synthesize _rightLayoutGuide = _rightLayoutGuide;)
@property (readonly, retain, nonatomic) NSLayoutConstraint* _topBarInsetGuideConstraint; (@synthesize _topBarInsetGuideConstraint = _topBarInsetGuideConstraint;)
@property (readonly, retain, nonatomic) NSLayoutConstraint* _bottomBarInsetGuideConstraint; (@synthesize _bottomBarInsetGuideConstraint = _bottomBarInsetGuideConstraint;)
@property (readonly, retain, nonatomic) NSLayoutConstraint* _leftMarginGuideConstraint; (@synthesize _leftMarginGuideConstraint = _leftMarginGuideConstraint;)
@property (readonly, retain, nonatomic) NSLayoutConstraint* _rightMarginGuideConstraint; (@synthesize _rightMarginGuideConstraint = _rightMarginGuideConstraint;)
@property (retain, nonatomic, setter=_setExtensionContext:) NSExtensionContext* extensionContext; (@dynamic extensionContext;)
@property (retain, nonatomic, setter=_setChildControllerToIgnoreWhileLookingForTransitionCoordinator:) UIViewController* _childControllerToIgnoreWhileLookingForTransitionCoordinator; (@synthesize _childControllerToIgnoreWhileLookingForTransitionCoordinator = __childControllerToIgnoreWhileLookingForTransitionCoordinator;)
@property (readonly) unsigned long hash;
@property (readonly) Class superclass;
@property (readonly, copy) NSString* description;
@property (readonly, copy) NSString* debugDescription;
@property (readonly, nonatomic) UITraitCollection* traitCollection;
@property (readonly, nonatomic) <UIFocusContainer>* preferredFocusedItem;
@property (readonly, nonatomic) UIView* focusedView;
Instance Methods:
- (^block) _completionBlock; (0x10f09382b)
- (id) retain; (0x10f085d37)
- (oneway void) release; (0x10f085d5a)
- (unsigned long) retainCount; (0x10f085dd7)
- (void) dealloc; (0x10f088c75)
- (BOOL) _tryRetain; (0x10f085def)
- (BOOL) _isDeallocating; (0x10f085e2a)
- (id) invalidate; (0x10f563f3f)
- (id) _screen; (0x10f0a27c1)
- (void) _setInCustomTransition:(BOOL)arg1; (0x10f086d57)
- (BOOL) isViewLoaded; (0x10f08ba00)
- (id) searchDisplayController; (0x10f0a2800)
- (id) navigationItem; (0x10f0a38f2)
- (void) applicationWillSuspend; (0x10f09273c)
- (BOOL) _tryBecomeRootViewControllerInWindow:(id)arg1; (0x10f08fc15)
- (id) _preferredStatusBarStyleAnimationParameters; (0x10f0a2598)
- (id) _preferredStatusBarHideAnimationParameters; (0x10f0a25a0)
- (long) preferredStatusBarStyle; (0x10f0a252f)
以下省略
- -[UIView recursiveDescription]
(lldb) po [self.view recursiveDescription]
<UIView: 0x7fc94b63c360; frame = (0 0; 375 667); autoresize = W+H; layer = <CALayer: 0x7fc94b63c340>>
| <UIView: 0x7fc94b63c470; frame = (0 0; 375 667); autoresize = RM+BM; layer = <CALayer: 0x7fc94b63c580>>
| | <UILabel: 0x7fc94b63c5a0; frame = (166.5 110; 42 20.5); text = 'Label'; opaque = NO; autoresize = RM+BM; userInteractionEnabled = NO; layer = <_UILabelLayer: 0x7fc94b63c9d0>>
| | <UIButton: 0x7fc94b63b7c0; frame = (164.5 318.5; 46 30); opaque = NO; autoresize = RM+BM; layer = <CALayer: 0x7fc94b63a930>>
| | | <UIButtonLabel: 0x7fc94b647df0; frame = (0 6; 46 18); text = 'Button'; alpha = 0.2; opaque = NO; userInteractionEnabled = NO; layer = <_UILabelLayer: 0x7fc94b646690>>
| <_UILayoutGuide: 0x7fc94b63d3e0; frame = (0 0; 0 64); hidden = YES; layer = <CALayer: 0x7fc94b63ae00>>
| <_UILayoutGuide: 0x7fc94b63d6c0; frame = (0 667; 0 0); hidden = YES; layer = <CALayer: 0x7fc94b63ac30>>
- -[UIView _autolayoutTrace]
(lldb) po [self.view _autolayoutTrace]
UIWindow:0x7fc94b735440
| UILayoutContainerView:0x7fc94b469c40
| | UINavigationTransitionView:0x7fc94b477530
| | | UIViewControllerWrapperView:0x7fc94b48e3c0
| | | | •UIView:0x7fc94b63c360
| | | | | *UIView:0x7fc94b63c470
| | | | | | *UILabel:0x7fc94b63c5a0'Label'
| | | | | | *UIButton:0x7fc94b63b7c0'Button'
| | | | | | | UIButtonLabel:0x7fc94b647df0'Button'
| | | | | *_UILayoutGuide:0x7fc94b63d3e0
| | | | | *_UILayoutGuide:0x7fc94b63d6c0
| | UINavigationBar:0x7fc94b72bbe0
| | | _UINavigationBarBackground:0x7fc94b7357e0
| | | | _UIBackdropView:0x7fc94b4817d0
| | | | | _UIBackdropEffectView:0x7fc94b486150
| | | | | UIView:0x7fc94b487700
| | | | UIImageView:0x7fc94b735ee0
| | | UINavigationItemButtonView:0x7fc94b629c30'Back'
| | | | UILabel:0x7fc94b63bbe0'Back'
| | | _UINavigationBarBackIndicatorView:0x7fc94b4768c0
- -[UIViewController _printHierarchy]
(lldb) po [self.navigationController _printHierarchy]
<UINavigationController 0x7fc94b71dbc0>, state: appeared, view: <UILayoutContainerView 0x7fc94b469c40>
| <ViewController 0x7fc94b71e090>, state: disappeared, view: <UIView 0x7fc94b48cf00> not in the window
| <DetailViewController 0x7fc94b637db0>, state: appeared, view: <UIView 0x7fc94b63c360>
参考
http://lithium3141.com/resources/2014/12/debugging-cheat-sheet.pdf
http://bou.io/ExtendedTypeInfoInObjC.html