iOS Swift - Navigation
How do you programmatically push an instance of
DetailViewController onto the navigation stack with animation in Swift?How do you programmatically push an instance of DetailViewController onto the navigation stack with animation in Swift?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Create an instance of DetailViewController
UseDetailViewController()to instantiate the view controller.Step 2: Use navigationController's pushViewController method
CallnavigationController?.pushViewController(_:animated:)to push the new view controller onto the navigation stack.Step 3: Set animated parameter to true
Passtrueto animate the transition.Final Answer:
navigationController?.pushViewController(DetailViewController(), animated: true) -> Option CQuick Check:
Correct method and syntax used [OK]
Quick Trick: Use navigationController?.pushViewController(vc, animated: true) [OK]
Common Mistakes:
- Forgetting the optional chaining on navigationController
- Using present() instead of pushViewController()
- Calling pushViewController without navigationController
- Using incorrect method name like push()
Master "Navigation" in iOS Swift
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