ZoomTransitionController

class ZoomTransitionController : NSObject

A custom zoom transition for the transition from an ImageCollectionViewController to an ImagePagingCollectionViewController when a cell is tapped. It also handles the retraction transition. It was built to mimic the transition used in the native iPhone Photos app.

This custom animation was documented and explained in complete detail in the links provided below.

See also

GitHub EditPlantLevelManager_notes.md.

  • The delegate being animated from.

    Declaration

    Swift

    weak var fromDelegate: ZoomAnimatorDelegate?

  • The delegate being animated to.

    Declaration

    Swift

    weak var toDelegate: ZoomAnimatorDelegate?

  • The animator to use for the transition. This is a custom animation that zooms from one image to another.

    Declaration

    Swift

    let animator: ZoomAnimator

  • The controller for the interactive transition during dismissal. Dragging up or down on the image initiates the interactive transition.

    Declaration

    Swift

    let interactionController: ZoomDismissalInteractionController

  • A Boolean for if the transition is interactive or not. Defaults to false.

    Declaration

    Swift

    var isInteractive: Bool

  • Undocumented

    Declaration

    Swift

    override init()

  • Called when the transition begins for a presentation.

    Declaration

    Swift

    func animationController(forPresented presented: UIViewController, presenting: UIViewController, source: UIViewController) -> UIViewControllerAnimatedTransitioning?

  • Called when the transition begins for dismissal. The to and from delegates need to be swapped.

    Declaration

    Swift

    func animationController(forDismissed dismissed: UIViewController) -> UIViewControllerAnimatedTransitioning?

  • Update the transition controller for a presentation or dismissal. It decides hether or not to use the interactive controller. The interactive controller uses the same animator, though.

    Declaration

    Swift

    func interactionControllerForDismissal(using animator: UIViewControllerAnimatedTransitioning) -> UIViewControllerInteractiveTransitioning?

  • Update the transition controller for a presentation or dismissal.

    Declaration

    Swift

    func navigationController(_ navigationController: UINavigationController, animationControllerFor operation: UINavigationController.Operation, from fromVC: UIViewController, to toVC: UIViewController) -> UIViewControllerAnimatedTransitioning?

  • Update the transition controller for a presentation or dismissal. It decides hether or not to use the interactive controller. The interactive controller uses the same animator, though.

    Declaration

    Swift

    func navigationController(_ navigationController: UINavigationController, interactionControllerFor animationController: UIViewControllerAnimatedTransitioning) -> UIViewControllerInteractiveTransitioning?