Questions tagged [uitableviewdiffabledatasource]
30 questions
0
votes
1 answer
swift Diffable data source error - 'Fatal: supplied item identifiers are not unique. Duplicate identifiers:
I think there is a problem with the calendar model or the data I put in the pile, but I can't find it no matter how much I look for it. I'm desperate for help
The contents of the error are as follows
*** Terminating app due to uncaught exception…
sosojin
- 21
- 4
0
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0 answers
How can we implement didEndDisplayingCell with UITableviewDiffabledatasource or relevent
How can we implement didEndDisplayingCell with UITableviewDiffabledatasource or with using diffable datasource how we know that the cell is dealloc?
What is want is the currently I'm using UItableViewDiffableDaasource for tableview and I want to…
Vvk
- 4,031
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0
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0 answers
UITableViewDiffableDataSource re-rendering unnecessarily on iOS 14
I have a swift project, with a UITableView that's populated by a UITableViewDiffableDataSource.
In my model struct, I've implemented the hash() function, roughly like this:
func hash(into hasher: inout Hasher) {
hasher.combine(self.id)
…
Avi Sasson
- 666
- 7
- 22
0
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0 answers
How to call/set delegate methods when using UITableViewDiffableDataSource
I have this code:
class CreateSkillGroupViewController: UIViewController {
var skillsDataSource: SkillsInGroupDataSource! = nil
var skillsTableView: UITableView!
override func viewDidLoad() {
super.viewDidLoad()
…
BigBoy1337
- 4,735
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- 138
0
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1 answer
DiffableDataSource does not update properly after applying changes in snapshot
I'm trying to filter a list of users in a TableViewDiffableDataSource. The filtered array of users is passed to the following function:
private func updateUserCell(_ users: Users? = nil) {
guard let newUsers = users else {
…
PhoenixDev
- 746
- 2
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- 22
0
votes
1 answer
UITableView does not load the new state if user scrolling
SOLVED: It is not about UITableViewDiffableDataSource. The problem was accessing realm from 2 different thread sequentially and not getting consistent result
One of the thread was main thread and scrolling somehow kept main thread busy and triggered…
metinn
- 116
- 1
- 7
0
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0 answers
Moving/Deleting Diffable TableView Rows
I am trying to update a tableView to UITableViewDiffableDataSource but I am having trouble with being able to delete/move the rows. With some help from a previous question, I have subclassed the dataSource and added the tableview overrides there. …
rBalmer
- 67
- 9
0
votes
1 answer
What is a good approach to sharing a data model between a table/collection view controller and its associated diffable data source subclass?
I have a UITableViewController with a model property declared in it. When migrating from UITableViewDataSource protocol conformance to a subclass of UITableViewDiffableDataSource outside of the table view controller, the model is no longer…
Curiosity
- 544
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0
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2 answers
SWIFT: Communicating data from ViewController where tableView is defined to tableViewCell
I have programmatically implemented a tableView inside a viewController:
class MoviesViewController5: UIViewController {
let tableView = UITableView()
// There's a code responsible for populating this array
var moviesItemsArray…
AG_HIHI
- 1,705
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- 69
0
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1 answer
self sizing cell with uitableviewdiffabledatasource
I have a detail ViewController whoose cells are defined by a custom uitableviewdiffabledata like this:
{ (_, indexPath, item) -> UITableViewCell? in
let color = UIColor(named: "blue")!
if let _ = item as? TextFieldItem, let…
Moritz Schaub
- 91
- 1
- 9
0
votes
1 answer
UITableViewDiffableDataSource and NSDiffableDataSourceSnapshot for different objects shows only one row
I've implemented UITableView using UITableViewDiffableDataSource and NSDiffableDataSourceSnapshot like
private typealias ListDataSource = UITableViewDiffableDataSource
private typealias ListSnapshot =…
Harshal Wani
- 2,249
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0
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1 answer
UITableViewDiffableDataSource and UICollectionViewDiffableDataSource working different when class vs struct is used
I noticed, when using UITableViewDiffableDataSource / UICollectionViewDiffableDataSource, the ItemIdentifierType
when using
var managedDataSource: UITableViewDiffableDataSource!
class StringCellObject: Hashable {
let…
Peter Lapisu
- 19,915
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- 179
-1
votes
1 answer
Cells are not populating using UITableViewDiffableDataSource in UIViewController
My code was working before I change the subclass from UITableViewController to UIViewController.
Reason for switching is I need to add a collectionView on top of my tableView.
But now the cells are not populating. The snapshot is still being called…
Dreiohc
- 317
- 2
- 12
-1
votes
4 answers
UITableViewDiffableDataSouce: Invalid update: invalid number of sections
I am trying to apply an empty snapshot, it's crashing my app. I have been trying to debug it for 2 days now and can't seem to figure out a way to resolve this issue. Below is the code I am running:
//
// ItemsListDiffableVC.swift
// …
Vandan Patel
- 1,012
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-2
votes
1 answer
UITableViewDelegate doesn't work with UITableViewDiffableDataSource
I created test project to reproduce the issue https://github.com/msnazarow/DiffarableTest
Simply you need to pass several steps
Create new target
Create Base class that inherit UITableViewDiffableDataSource and also UITableViewDelegate but do not…
Михаил Назаров
- 3
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