UI Checkpoint #19

Code Example

// SwiftUI
struct ContentView: View {
  var body: some View {
    VStack {
      Text("e-commerce app")
      Text("improve app performance")
    }
  }
}

Commands & References

• npx create-expo-app
• npm run ios
• adb logcat

Lab Steps

1. Run npx create-expo-app
2. Implement feature
3. Test on device
4. Document findings

Exercises

• Add one validation
• Improve one UX flow
• Write one test