Are you maybe looking for the UINavigationControllerDelegate method that lets you provide an animation controller for the push? That appears to be the way one hooks into the operation of the navigation controller in order to override the default animations.
https://developer.apple.com/library/ios/documentation/UIKit/Reference/UINavigationControllerDelegate_Protocol/#//apple_ref/occ/intfm/UINavigationControllerDelegate/navigationController:animationControllerForOperation:fromViewController:toViewController : On Wed, Dec 30, 2015 at 7:48 PM, Rick Mann <rm...@latencyzero.com> wrote: > > > On Dec 30, 2015, at 18:20 , Rick Mann <rm...@latencyzero.com> wrote: > > > > > >> On Dec 30, 2015, at 18:14 , Roland King <r...@rols.org> wrote: > >> > >> > >>> On 31 Dec 2015, at 09:12, Rick Mann <rm...@latencyzero.com> wrote: > >>> > >>> I have a UICollectionView in a UINavigationController, and I'd like to > customize the transition from one to the next on push. So I set up the > first VC as UIViewControllerTransitioningDelegate, and in > prepareForSegue(_:sender:) set the destination VC's transitioningDelegate > to self. > >>> > >>> But my delegate methods never get called. The docs say to set > modalPresentationStyle to .Custom, but that has no effect (also, it's a bit > weird since this is not technically a modal presentation, is it?). > >>> > >>> Search for solutions online turns up only custom segues, which is not > really what I want. > >>> > >>> Is it even possible to do this with segues? What am I missing? > >>> > >>> TIA, > >> > >> My thought here is that push != present, ie > pushViewController(_:animated) doesn’t do the same thing as > presentViewController(_:animated:completion) and that push calls the former > and other modes call the latter. I dunno what I’d try, the whole > UIViewController custom transitioning thing confuses the bananas out of me > and I never found the WWDC videos on them to be as helpful as I wished. > Perhaps change the push to a present to get it on the screen, then when > you’re done with the transition, call pushViewController( vc, animated : > false ) to fix up the nav stack. That will probably look really ugly as the > nav bar will likely just snap to the new content. > >> > >> There’s probably 18 other ways to do it. I’d bung some hooks into any > methods I could find which run early in the viewcontroller presentation > lifecycle and see if there’s a transition coordinator or animation > coordinator or whatever objects transitions create which I could hook into > and animate alongside. > >> > >> In general .. having fiddled with custom transitions when the were new > and shiny .. I don’t bother with them any more. > > > > It seems to be a common ocurrence that Apple introduces a "helpful" new > way to do things that aren't fully integrated with existing "new" (and > definitely not deprecated. e.g. segues) ways of doing things, and the > documentation and examples are lacking. Bruce Nilo's 2013 presentation on > the subject was particularly lacking in information. > > > > Having said that, I found this sample code (which did not turn up when > searching the sample code for "transition"), which hopefully works. My > biggest beef at this point is that the segue *must* be a modal presentation > segue (in fact, it seems all custom transitions are for modal presentation > only), which seems like a silly limitation, and is not well-documented. > > > > > https://developer.apple.com/library/ios/samplecode/SegueCatalog/Introduction/Intro.html > > > > You're looking for the "Modal" button in that app, which has a custom > segue that uses the transition stuff. > > Welp, that doesn't work in the push transition. It hides the > UINavigationBar. The sample code shows it as a modal transition that takes > over the screen, but I want to do a push transition. > > Thing is, it doesn't seem that any of the transition stuff works properly > if you make it anything other than a modal (i.e. not a show/push). > > Goddammit, Apple. > > -- > Rick Mann > rm...@latencyzero.com > > > > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/cocoa-dev/himself%40sfko.com > > This email sent to hims...@sfko.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
