Signum Mobile Wallet

The new 🚀 Signum Mobile Wallet — fast, secure, modern.

This project is built with Expo, React Native, and Expo Dev Client, and is available for iOS and Android.

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📦 Requirements

• Node: see .nvmrc
• JDK 17
• Android Gradle Plugin: 8.1.1
• Gradle: 8.3
• Xcode: (only required for local iOS builds – not needed when using EAS Build)

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🚀 Development

Install dependencies

npm install

Start development client

npm run android
# or
npm run ios

Start without build cache

npx expo run:android --no-build-cache
npx expo run:ios --no-build-cache

After installing new native libraries

npm run prebuild

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🎨 Styling (Tailwind / NativeWind)

The project uses NativeWind v4 for Tailwind-style styling in React Native.

Useful Links

• NativeWind Docs: https://www.nativewind.dev/
• Troubleshooting Guide: https://www.nativewind.dev/docs/getting-started/troubleshooting

Key Notes

• Uses Tailwind classes directly in components
• Fully compatible with Expo + React Native
• Requires prebuild for new native dependencies
• Ensure tailwind.config.js changes are followed by app reload

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🧰 Debugging Tools

Reactotron

https://docs.infinite.red/reactotron/

Inspect SQLite (Drizzle ORM)

1. Start development client
2. Open Expo devtools → Shift + M
3. Select expo-drizzle-studio-plugin

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🌐 Supported Platforms

• Android
• iOS

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🏗️ Building the App

Profiles

• development – dev client
• preview – APK test builds
• production – Store releases

Development Build

eas build -p android --profile development

Preview Build (APK)

eas build -p android --profile preview

Production Build

eas build -p android --profile production
eas build -p ios --profile production

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🔢 Versioning (Local)

{
  "expo": {
    "version": "1.2.0",
    "android": { "versionCode": 2 },
    "ios": { "buildNumber": "2" }
  }
}

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📂 EAS Configuration

(As in canvas)

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🧪 Testing

• Use preview builds for QA.
• Use development builds for debugging.
• Use production builds for releases.

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🔐 Security

• expo-secure-store for encrypted key storage.
• Biometric authentication support.

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📝 License

Apache License 2.0 © 2025 Signum Network