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Which class is used to represent an individual swipe action in a UITableView?

easy📝 Conceptual Q2 of 15
iOS Swift - Lists and Data Display
Which class is used to represent an individual swipe action in a UITableView?
AUISwipeAction
BUIContextualAction
CUISwipeGestureRecognizer
DUITableViewRowAction
Step-by-Step Solution
Solution:

  1. Step 1: Recall swipe action classes in iOS

    UIContextualAction is the modern class used to define swipe actions with a handler and style.

  2. Step 2: Differentiate from deprecated classes

    UITableViewRowAction is deprecated; UISwipeGestureRecognizer is for gestures, not actions.

  3. Final Answer:

    UIContextualAction -> Option B

  4. Quick Check:

    Swipe action class = UIContextualAction [OK]
Quick Trick: UIContextualAction defines swipe buttons with handlers [OK]
Common Mistakes:
  • Choosing deprecated UITableViewRowAction
  • Confusing gesture recognizers with actions
  • Using non-existent UISwipeAction class

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