iOS Swift - SwiftUI Basics
How can you update a UIButton's title to "Pressed" immediately when it is tapped, using Swift code inside the action handler?
How can you update a UIButton's title to "Pressed" immediately when it is tapped, using Swift code inside the action handler?
hard📝 Application Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Use setTitle(_:for:) method
This method updates the button's title for a specific state.Step 2: Use .normal state to change the default title
Setting the title for .normal updates what is shown when button is not highlighted.Final Answer:
button.setTitle("Pressed", for: .normal) -> Option AQuick Check:
Correct method and state used to update title immediately [OK]
Quick Trick: Use setTitle(_:for: .normal) to update button title [OK]
Common Mistakes:
- Changing titleLabel?.text directly (won't update UI properly)
- Setting title for .highlighted state only
- Trying to assign to currentTitle property (read-only)
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