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If this never completes: start PostgreSQL, check DATABASE_URL and DIRECT_URL in .env, run npx prisma db push. Optional: set SKIP_RUNTIME_CATALOG_SEED=1 to skip heavy catalog seed while debugging.

Back to Mobile App Development

BEGINNER • Mobile Foundations

Sprint: optimize battery usage #10

This lesson focuses on optimize battery usage for a booking platform app. Commands: expo start | xcrun simctl | npm run android.

Code Example

// SwiftUI
struct ContentView: View {
  var body: some View {
    VStack {
      Text("booking platform")
      Text("optimize battery usage")
    }
  }
}

Commands & References

expo start
xcrun simctl
npm run android

Lab Steps

Run expo start
Implement feature
Test on device
Document findings

Exercises

Add one validation
Improve one UX flow
Write one test

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