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You want to create a custom animation timing curve that starts slowly, speeds up in the middle, then slows down again. Which option should you use?

hard📝 Application Q8 of 15
iOS Swift - Animations
You want to create a custom animation timing curve that starts slowly, speeds up in the middle, then slows down again. Which option should you use?
AUIView.AnimationOptions.curveEaseOut
BUIView.AnimationOptions.curveEaseIn
CUIView.AnimationOptions.curveLinear
DUIView.AnimationOptions.curveEaseInOut
Step-by-Step Solution
Solution:
  1. Step 1: Understand timing curve behaviors

    curveEaseInOut starts slow, speeds up in the middle, then slows down at the end.
  2. Step 2: Match desired effect

    The question describes exactly the behavior of curveEaseInOut.
  3. Final Answer:

    UIView.AnimationOptions.curveEaseInOut -> Option D
  4. Quick Check:

    EaseInOut = slow start and end, fast middle [OK]
Quick Trick: EaseInOut combines slow start and slow end [OK]
Common Mistakes:
  • Choosing easeIn or easeOut alone
  • Confusing linear with easeInOut
  • Thinking easeInOut is abrupt

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