Why is the addTarget(_:action:for:) method preferred over delegates for handling UISwitch toggle events?

hard📝 Conceptual Q10 of 15

iOS Swift - User Input and Forms

Why is the addTarget(_:action:for:) method preferred over delegates for handling UISwitch toggle events?

ABecause <code>UISwitch</code> uses target-action pattern for event handling, not delegates

BBecause delegates are deprecated in iOS for UI controls

CBecause <code>UISwitch</code> cannot detect user interactions without addTarget

DBecause addTarget allows multiple delegates to be assigned

Step-by-Step Solution

Solution:

Step 1: Understand event handling patterns
UIKit controls like UISwitch use target-action pattern, not delegates.
Step 2: Clarify delegate usage
Delegates are used in other contexts but not for UISwitch toggle events.
Step 3: Evaluate other options
B is false, delegates are not deprecated; C is incorrect, UISwitch can detect interactions but uses target-action; D is false, addTarget does not assign delegates.
Final Answer:
Option A -> Option A
Quick Check:
UISwitch uses target-action, not delegates [OK]

Quick Trick: UISwitch uses target-action, not delegate pattern [OK]

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