Drag and Drop on iOS
Drag and Drop on iOS
- Subject: Drag and Drop on iOS
- From: Graham Cox <email@hidden>
- Date: Thu, 11 Aug 2016 21:49:00 +1000
Hi all,
I have a small app that works on Mac, and I’m further developing an iOS version of it.
I’m wondering what the general approach is for dragging an object from one view to another in iOS is. On the Mac version, I simply use the usual drag image+pasteboard approach, but on iOS this appears not to be supported. Both of the views in question are subviews of the same window (obviously, since iOS doesn’t have multiple windows) so that probably simplifies things. Is it just a case of moving a CALayer belonging to a common ancestor view and then doing whatever is needed to communicate between the views when the drag completes? Or is there something in UIKit that handles some of that generically? It wasn’t obvious where to look; I didn’t see anything in UIView.
—Graham
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