Custom TransitionShinichiro Yamashita

Custom Transition• iOS7から以下の遷移を自作することが可能

• UICollectionViewControllerのレイアウト変更

• UINavigationControllerのPush/Pop

• ModalViewのPresentation/Dismissal

• UITabBarControllerのタブ切り替え

1. UICollectionViewLayoutクラスのインスタンス、UICollectionViewControllerクラスのインスタンスを各々2つ以上用意

UICollectionViewLayout *cvl1,*cvl2,*cvl3; UICollectionViewController *cvc1, *cvc2, *cvc3; cvc1 = [cvc1 initWithCollectionViewLayout:cvl1]; ...

2. 遷移後のUICollectionViewControllerクラスのインスタンスのuseLayoutToLayoutNavigationTransitionsプロパティをYES

!!![nav pushViewController:cvc1 animated:YES]; cvc2.useLayoutToLayoutNavigationTransitions = YES; cvc3.useLayoutToLayoutNavigationTransitions = YES; [nav pushViewController:cvc2 animated:YES]; [nav pushViewController:cvc3 animated:YES]; [nav popViewControllerAnimated:YES];

3. 遷移指定はPushのみ

Layout-to-layout navigation transitions

UINavigationControllerの画面遷移

1. UINavigationControllerDelegateプロトコルの実装

@interface CCLFirstCollectionViewController : UICollectionViewController <UINavigationControllerDelegate> @end

2. UINavigationControllerDelegateメソッドを実装 !!

- (id<UIViewControllerAnimatedTransitioning>)navigationController: (UINavigationController *)navigationController animationControllerForOperation: (UINavigationControllerOperation)operation fromViewController:(UIViewController *)fromVC toViewController:(UIViewController *)toVC { … }

3. UIViewControllerAnimatedTransitioningプロトコルを実装 !!

@interface CCLTransitionFromFirstToMoved : NSObject <UIViewControllerAnimatedTransitioning> !@end

DEMO