[Solved] What will be the result of this code?func goBack() { navigationController?.popViewController(animated: true) } | iOS Swift

iOS Swift - Navigation

What will be the result of this code?

func goBack() {
  navigationController?.popViewController(animated: true)
}

AThe app navigates back to the previous screen with animation

BThe app pushes a new view controller on the stack

CNothing happens because popViewController is incorrect

DThe app crashes due to missing view controller

Step-by-Step Solution

Solution:

Step 1: Understand popViewController method
This method removes the top view controller and shows the previous one.
Step 2: Animated parameter effect
Animation is enabled, so the transition will be smooth.
Final Answer:
The app navigates back to the previous screen with animation -> Option A
Quick Check:
popViewController = go back one screen [OK]

Quick Trick: popViewController navigates back to previous screen [OK]

Common Mistakes:

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What will be the result of this code?