代码备忘

// 删除系统自动生成的UITabBarButton    for (UIView *child in self.tabBar.subviews) {        if ([child isKindOfClass:[UIControl class]]) {            [child removeFromSuperview];        }    }//注销一切UITextField    for (UITextField * child in self.view.subviews) {        if ([child isKindOfClass:[UITextField class]]) {            [child resignFirstResponder];        }    }//禁用右滑返回//    self.navigationController.interactivePopGestureRecognizer.enabled = NO ;//判断右滑是否结束跳转[self.transitionCoordinator notifyWhenInteractionEndsUsingBlock:^(id<UIViewControllerTransitionCoordinatorContext> context){        if (![context isCancelled]) {                    }}];