UIView(QMUI_ViewController)
@interface UIView (QMUI_ViewController)
/**
判断当前的 view 是否属于可视(可视的定义为已存在于 view 层级树里,或者在所处的 UIViewController 的 [viewWillAppear, viewWillDisappear) 生命周期之间)
*/
@property(nonatomic, assign, readonly) BOOL qmui_visible;
/**
当前的 view 是否是某个 UIViewController.view
*/
@property(nonatomic, assign) BOOL qmui_isControllerRootView;
/**
获取当前 view 所在的 UIViewController,会递归查找 superview,因此注意使用场景不要有过于频繁的调用
*/
@property(nullable, nonatomic, weak, readonly) __kindof UIViewController *qmui_viewController;
@end
Undocumented
-
判断当前的 view 是否属于可视(可视的定义为已存在于 view 层级树里,或者在所处的 UIViewController 的 [viewWillAppear, viewWillDisappear) 生命周期之间)
Declaration
Objective-C
@property (nonatomic, readonly) BOOL qmui_visible;
Swift
var qmui_visible: Bool { get }
-
当前的 view 是否是某个 UIViewController.view
Declaration
Objective-C
@property (nonatomic) BOOL qmui_isControllerRootView;
Swift
var qmui_isControllerRootView: Bool { get set }
-
获取当前 view 所在的 UIViewController,会递归查找 superview,因此注意使用场景不要有过于频繁的调用
Declaration
Objective-C
@property (nonatomic, weak, readonly, nullable) __kindof UIViewController *qmui_viewController;
Swift
weak var qmui_viewController: UIViewController? { get }