我从另一个提出一个视图控制器:
- (void)showModalView { UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"Main" bundle:nil]; MySecViewController *mySecViewController = [storyboard instantiateViewControllerWithIdentifier:@"secController"]; mySecViewController.delegate = self; [self presentViewController:mySecViewController animated:YES completion:nil]; }
然后在呈现的UIViewController中,方法viewWillTransitionToSize:withTransitionCoordinator:在iOS 8中调用但不在iOS 9中调用…
谢谢
解决方法
在您当前的视图控制器中,如果您覆盖了viewWillTransitionToSize:withTransitionCoordinator :,请确保您调用super.否则,此消息将不会传播到子视图控制器.
对于Objective-C:
- (void)viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator { [super viewWillTransitionToSize:size withTransitionCoordinator:coordinator]; // Your other code ...
和斯威夫特:
override func viewWillTransition(to size: CGSize,with coordinator: UIViewControllerTransitionCoordinator) { super.viewWillTransition(to: size,with: coordinator) // Your other code ... }
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