Improper width of cell in collectionview - swift

Question

[updated]
I have created collectionview containing cells with different captions and different widths. It works fine when I read collection on launch of application.
But when I add new cell during usage of the application it has standard, narrow, width.
When I again relaunch the application it will again have correct width.
After adding reloadData() it works fine for one cell. But when I have multiple cells they are drawn one on each other.
And here is the code:
override func viewDidLoad() {
super.viewDidLoad()
projectCollectionView.delegate = self
projectCollectionView.dataSource = self
projectCollectionView.register(UINib(nibName: "projectCollectionViewCell", bundle: nil), forCellWithReuseIdentifier: "projectCollectionViewCell")
}
func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
guard let cell = collectionView.dequeueReusableCell(withReuseIdentifier: projectCollectionViewCell.identifier, for: indexPath) as? projectCollectionViewCell
else {
return projectCollectionViewCell()
}
cell.projectButton.setTitle("a title", for: .normal)
projectCollection[indexPath.row].cellIndex = indexPath.row
cell.projectButton.sizeToFit()
cell.layer.bounds.size.width = cell.projectButton.layer.bounds.width
return cell
}
override func viewDidLayoutSubviews() {
super.viewDidLayoutSubviews()
projectCollectionView.collectionViewLayout.invalidateLayout()
projectCollectionView.reloadData()
}
func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
var result: Int = 0
for i in 0...projects.count-1 {
if (projects[i].status>=2) {
result += 1
}
}
return result
}
When I remove the row: cell.projectButton.sizeToFit() it started to look like this:

Answer 1

try it :-
relod collectionview after adding element.
collectionview.reloaddata()
[edited]
add flowlayout to collectionview
add below code
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
let label = UILabel(frame: CGRect.zero)
label.text = textArray[indexPath.item]
label.sizeToFit()
return CGSize(width: label.frame.width, height: 32)
}
for more visit https://stackoverflow.com/a/53284536/12451658