[Solved] What will be displayed when this SwiftUI code runs? struct ContentView: View { @State private var count = 0 var body:... What will be displayed when this SwiftUI code runs? | iOS Swift

iOS Swift - SwiftUI Basics

What will be displayed when this SwiftUI code runs?

struct ContentView: View {
  @State private var count = 0
  var body: some View {
    VStack {
      Text("Count: \(count)")
      Button("Increment") {
        count += 1
      }
    }
  }
}

AA text showing 'Count: 0' and a button labeled 'Increment' that increases count when tapped.

BA static text 'Count: 0' with no button.

CA button labeled 'Increment' but no text showing count.

DThe app crashes due to syntax error.

Step-by-Step Solution

Solution:

Step 1: Understand @State and UI update
The @State variable 'count' starts at 0 and updates the UI automatically when changed.
Step 2: Analyze the VStack content
The VStack shows a Text displaying the current count and a Button that increments count on tap, updating the Text.
Final Answer:
A text showing 'Count: 0' and a button labeled 'Increment' that increases count when tapped. -> Option A
Quick Check:
@State updates UI automatically = C [OK]

Quick Trick: @State variables update UI automatically on change [OK]

Common Mistakes:

Thinking UI won't update after count changes
Missing the Button or Text in output
Assuming syntax error where none exists

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What will be displayed when this SwiftUI code runs?

Step 1: Understand @State and UI update

Step 2: Analyze the VStack content

Final Answer:

Quick Check:

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