add UIAccessiblity to UICollectionViewCell

collectionAccessibility

// Option 1: In ViewController, set the cell instance to have accessibility.
Cell *cell = [cv dequeueReusableCellWithReuseIdentifier:kCellID forIndexPath:indexPath];
[cell setIsAccessibilityElement:YES];

// Option 2: Implement the accessibility interface in the cell object:
// implementation file of Cusome CollectionViewCell
- (BOOL)isAccessibilityElement
{
    return YES;
}

- (NSString *)accessibilityLabel {
    return self.label.text;
}

- (UIAccessibilityTraits)accessibilityTraits {
    return UIAccessibilityTraitStaticText;  // Or some other trait that fits better
}

- (void)accessibilityElementDidBecomeFocused
{
    UICollectionView *collectionView = (UICollectionView *)self.superview;
    [collectionView scrollToItemAtIndexPath:[collectionView indexPathForCell:self] atScrollPosition:UICollectionViewScrollPositionCenteredHorizontally|UICollectionViewScrollPositionCenteredVertically animated:NO];
    UIAccessibilityPostNotification(UIAccessibilityLayoutChangedNotification, self);
}