UIViewController+BUUtilities.h
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//
// UIViewController+BUUtilities.h
// BUAdSDK
//
// Created by Siwant on 2019/4/11.
// Copyright © 2019 bytedance. All rights reserved.
//
#import <UIKit/UIKit.h>
NS_ASSUME_NONNULL_BEGIN
@interface UIViewController (BUUtilities)
- (void)bu_safelyPresentViewController:(UIViewController *)viewControllerToPresent animated: (BOOL)flag completion:(void (^ __nullable)(void))completion;
// 获取当前最后一个被present出的VC,如果没有返回self
- (UIViewController *)bu_presentingViewController;
// 获取当前最后一个被present出的VC,如果没有返回window的最上的topVC
+ (UIViewController *)bu_presentingViewController;
// 获取广义mainWindow的rootViewController
+ (nullable UIViewController*)bu_mainWindowRootViewController;
// 获取指定UIResponder的链下游第一个ViewController对象
+ (nullable UIViewController*)bu_nextViewControllerFor:(UIResponder* _Nullable)responder;
// 获取指定UIResponder的链下游第一个UINavigationController对象
+ (nullable UINavigationController*)bu_nextNavigationControllerFor:(UIResponder* _Nullable)responder;
/** 查找当前显示的ViewController*/
+ (UIViewController *)bu_topViewController;
+ (UIViewController *)bu_recursiveFindCurrentShowViewControllerFromViewController:(UIViewController *)fromVC;
@end
NS_ASSUME_NONNULL_END