iOS Swift - Animations
Identify the error in this Swift animation code:
UIView.animate(withDuration: 0.5) {
myView.alpha = 0.5
completion: { print("Done") }
}
Identify the error in this Swift animation code: UIView.animate(withDuration: 0.5) { myView.alpha = 0.5 completion: { print("Done") } }
medium📝 Debug Q6 of 15
Step-by-Step Solution
Solution:
Step 1: Review UIView.animate syntax
The completion block is a separate parameter, not inside the animation closure.Step 2: Identify the error
Placing completion inside the closure causes a syntax error.Final Answer:
The completion block is incorrectly placed inside the animation closure -> Option BQuick Check:
Completion block placement matters = C [OK]
Quick Trick: Place completion outside animation closure [OK]
Common Mistakes:
- Putting completion inside closure
- Using wrong alpha type
- Misusing duration parameter
Master "Animations" in iOS Swift
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