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Which of the following SwiftUI code snippets correctly creates a SecureField with placeholder "Enter PIN" and binds to @State var pin?

easy📝 Syntax Q3 of 15
iOS Swift - User Input and Forms
Which of the following SwiftUI code snippets correctly creates a SecureField with placeholder "Enter PIN" and binds to @State var pin?
ASecureField(text: $pin, placeholder: "Enter PIN")
BSecureField($pin, "Enter PIN")
CSecureField("Enter PIN", text: $pin)
DSecureField("Enter PIN", binding: pin)
Step-by-Step Solution
Solution:

  1. Step 1: Check parameter order and names

    SecureField takes placeholder string first, then text binding with $.

  2. Step 2: Validate binding syntax

    Binding must use $ before the variable name.

  3. Final Answer:

    SecureField("Enter PIN", text: $pin) -> Option C

  4. Quick Check:

    Correct syntax = SecureField("Enter PIN", text: $pin) [OK]
Quick Trick: Placeholder first, then text binding with $ in SecureField [OK]
Common Mistakes:
  • Wrong parameter order
  • Missing $ in binding
  • Using wrong parameter names

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