iOS Swift - Navigation
You want to programmatically navigate back to the root view controller from a deep screen. Which code snippet correctly achieves this?
You want to programmatically navigate back to the root view controller from a deep screen. Which code snippet correctly achieves this?
hard📝 navigation Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Understand navigation stack methods
popToRootViewController moves back to the first screen in the stack, popping all intermediate ones.Step 2: Compare options
popViewController removes only the top screen; dismiss is for modal; push adds a new screen, not back.Final Answer:
navigationController?.popToRootViewController(animated: true) -> Option AQuick Check:
popToRootViewController = go back to root [OK]
Quick Trick: Use popToRootViewController to return to first screen [OK]
Common Mistakes:
- Using popViewController to go back multiple screens
- Confusing dismiss with navigation pop
- Trying to push root instead of popping to it
Master "Navigation" in iOS Swift
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