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Questions tagged [uicollectionviewdragdelegate]

6 questions
7
votes
1 answer

How to achieve transparent background or rounded corners when dragging a UICollectionViewCell

I'm sure there must be a simple way of doing this, but I've spent a long time down various rabbit holes without success so far. I have a collection view which supports drag and drop. The cells being dragged have a UIImageView in the contentView, and…
TimD
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2 answers

How can I disable cell dragging between UICollectionView sections?

I have two sections in my UICollectionView. I would like to be able to drag cells within each section but not between them. I am using a long press gesture recognizer to animate the cell drag movement so I could check that the drop location is not…
CLK
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2
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2 answers

UICollectionViewDragDelegate isn't working

I'm successfully implementing a UICollectionView that display some dummy texts on screen. Everything is working fine and now I added the drag feature implementing self.collectionView.dragDelegate = self and the UICollectionViewDelegateFlowLayout,…
bruno
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UIDragItem causes memory leak when Context Menu has been initialised

I have a CollectionView with Drag and Drop and Context Menu functionality. There's a memory leak caused by returned [UIDragItem] array in ItemsForBeginning method when I initialise cell's context menu. Objects are being kept in memory when I pop to…
bagmetv
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How do I change the tintColor of UIDragPreviewParameters

enter image description here How do I change the number's background color to red? UIDragPreviewParameters only provide a background color to modify the translucent cell. I have a collection view and conform the dragDelegate and dropDelegate. here…
yxk
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Drop Item into an empty Collection View secion

I'm working with UICollectionView and Drag/Drop Delegates. I need to drop a data source's item into an empty section. I've learned about that and I found out that it's a long-ongoing trouble (e.g. https://developer.apple.com/forums/thread/114010).…
Nikodem
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