[Solved] What happens when a @State variable changes in a SwiftUI view? — Ans: The view automatically redraws to reflect the new state | iOS Swift

iOS Swift - State Management in SwiftUI

What happens when a @State variable changes in a SwiftUI view?

ANothing happens until the app restarts

BThe view automatically redraws to reflect the new state

CThe app crashes due to state inconsistency

DThe variable resets to its initial value

Step-by-Step Solution

Solution:

Step 1: Identify the behavior of @State changes
Changing a @State variable triggers SwiftUI to update the UI automatically.
Step 2: Understand the UI refresh process
SwiftUI redraws the view body to show the latest state without restarting the app.
Final Answer:
The view automatically redraws to reflect the new state -> Option B
Quick Check:
State change triggers UI redraw [OK]

Quick Trick: State changes cause immediate UI refresh [OK]

Common Mistakes:

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What happens when a @State variable changes in a SwiftUI view?