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Re: UICollectionView Moving
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Re: UICollectionView Moving


  • Subject: Re: UICollectionView Moving
  • From: Luke Hiesterman <email@hidden>
  • Date: Mon, 07 Mar 2016 17:59:50 +0000
  • Thread-topic: UICollectionView Moving

I’d check your return value for this method in your layout:

- (UICollectionViewLayoutAttributes *)layoutAttributesForInteractivelyMovingItemAtIndexPath:(NSIndexPath *)indexPath withTargetPosition:(CGPoint)position NS_AVAILABLE_IOS(9_0);

Luke

On Mar 7, 2016, at 9:55 AM, Luther Baker <email@hidden<mailto:email@hidden>> wrote:

I followed the directions here,
http://nshint.io/blog/2015/07/16/uicollectionviews-now-have-easy-reordering/
- to add iOS9 style dragging to my UICollectionView - and it sort of works.

As described in the article, I added a long press gesture recognizer and
wired it in to make calls on the collection view -- but now, if I long
press, the element under my finger disappears. As I drag the transparent
image around, the other elements shift - but I can never see the element I
am dragging around. When I let go, there is simply a hole left where I
"dropped" the element.

I do, very much, have a custom layout and I'm not sure that if, for drag, I
need to do anything special. Do I need to calculate the frame of the item I
am dragging around? I'm not sure what to try next except to roll my own
dragging. Any thoughts or things to try?

Thanks in advance.
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  • Follow-Ups:
    • Re: UICollectionView Moving
      • From: Luther Baker <email@hidden>
References: 
 >UICollectionView Moving (From: Luther Baker <email@hidden>)

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