All Questions
Tagged with uicollectionview scroll
147 questions
0
votes
2
answers
78
views
collectionView "scrollToItem" after check for "dataSource?.collectionView(self, cellForItemAt:" functions on iOS 18 leads to a crash
I have this extension to scroll to the first collectionView cell:
extension UICollectionView {
func scrollToFirst(inSection: Int = 0, animated: Bool = false) {
if let _ = dataSource?....
- 7,238
1
vote
1
answer
71
views
Can't scroll properly using UICollectionViewCompositionalLayout and nested group
Here's the layout I'm trying to achieve. I'm trying to achieve a 2 rows by x items grid using compositional layout. Each row is a group that contains x items align horizontally.
Both row groups are ...
- 514
0
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0
answers
338
views
How to pin an UICollectionViewCompositionalLayout section
I have a CollectionView and I'm using UICollectionViewCompositionalLayout to manage its layout. I have 6 sections, and each one can make horizontal scroll. I navigate on CollectionView scrolling ...
- 9
1
vote
1
answer
50
views
Creating a custom collectionView that overlays the cells
I am playing around with collectionViews,
trying to create a custom design for image layout.
See below:
I have achieved this.
I know the code isn't the most beautiful or regular, however I am ...
- 23
0
votes
1
answer
827
views
How do you extend the height of a collection view and not have scrolling, but have scrolling on the outside view?
Right now, I have a collection view with scrolling inside a view.
I'd like the collection view's height to expand downward depending on how much content it has and not have any scrolling.
A user would ...
- 13
-1
votes
1
answer
940
views
Keep the cells in the same position after scrolling down a collectionView
I have a chat and when i scroll down to fetch older messages i want the collectionView to stay still and allow the user to manually scroll the older message who just loaded like in messenger. With my ...
- 67
-1
votes
1
answer
472
views
Scroll all collection view cell inside table view
I have collection view inside a table view.
It looks like a spreadsheet:
Collection view scrolls horizontally and table view vertically.
I want all the collection view to scroll at once.
Can anyone ...
- 283
0
votes
0
answers
58
views
Adding view to UICollectionview without moving collection view
So I have a collection view with a Tableview inside it. Clicking one of the tableview cells will bring up a sort of basket on top of the collection view. You can click a maximum of 4 items. This will ...
- 107
0
votes
1
answer
921
views
Scrolling collectionview inside scrollview also scrolls scrollview
I am making weather app. I can swap between different locations using collectionview with enabled paging. Inside every page there is view with another collectionview where it shows weather for ...
- 3
0
votes
0
answers
317
views
Selecting cells in collectionView(_:cellForItemAt:) makes the scroll to decelerate instantly
Context:
I am building a collection viewing which when the user presses the header of a section it selects all the cells in that section. In addition, the section can have many items that will be ...
- 514
1
vote
1
answer
1k
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How to create a slow and continuous scroll with CollectionView Swift
So I have some info that I would like to display in a horizontal CollectionView that scrolls automatically without user interaction. Like those bars under news channels that display info.
I have the ...
- 107
0
votes
1
answer
273
views
UICollectionview: Grey Bar on safe Area on scroll to the top
I hope you are having a great start to your week!
On scrolling up the UICollectionView, a grey bar shows up at the bottom covering the bottom uiView. It goes away when I scroll down. I have looked at ...
0
votes
0
answers
81
views
Collection view image loaded from document directory lags when scrolled
I am retrieving data from Document directory to populate collection view cell which contains an image and label.
While the data loads, but scrolling isnt smooth.
How to enable prefetching while ...
- 21
0
votes
0
answers
445
views
Instagram like Profile Page iOS Swift
I'm trying to make Instagram profile page like scrolling
Basically it's scrolling whole page, The top is a header, and there is a segment controller and then there are collection view.
I'm trying to ...
2
votes
0
answers
293
views
CollectionView content offset changes when reload it on last item for Pagination
I am trying to implement pagination in CollectionView which contains three items in a row. For that I used:-
func scrollViewDidScroll(_ scrollView: UIScrollView) {
if (scrollView.contentOffset....
- 171