🪐 FlowStable Wallet

Antigravity is a high-performance, non-custodial EVM wallet for Android. Built with a raw, Brutalist Design Aesthetic, it prioritizes speed, security, and a uncompromising user experience.

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🛠 Features

💎 Wallet Management

• Non-Custodial: Your keys, your crypto. Generated via BIP-39 mnemonic phrases.
• Multi-Chain Support: Ethereum, Polygon, BSC, Arbitrum, Optimism, and more.
• Asset Tracking: Real-time balance updates and price tracking via CoinGecko.
• Custom Tokens: Add any ERC-20 token by contract address.
• QR Support: Integrated QR code generation for effortless receiving.

🌐 Web3 Browser (DApp Gateway)

• EIP-1193 Injection: Full support for connecting to dApps (PancakeSwap, Uniswap, etc.).
• Secure Signatures: In-app confirmation dialogs for personal_sign and eth_sendTransaction.
• Advanced Compatibility: Optimized WebView with DOM storage and database support.

📜 Transaction History

• Local Persistence: Full history stored locally via Room DB for instant access.
• Brutalist UI: Clear, high-contrast list showing transaction status, amounts, and timestamps.

🛡 Security First

• Biometric Authentication: Fingerprint and Face Unlock support.
• PIN Protection: Custom secure Numpad for app access.
• AES Encryption: Seed phrases and private keys encrypted using Android Keystore (TEE-backed).
• Advanced Privacy: Anti-screenshot protection and clipboard security.

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🚀 Tech Stack

Category	Technology
Language	Kotlin
UI Framework	Jetpack Compose (100%)
Blockchain	Web3j
Architecture	MVVM + Clean Architecture
DI	Hilt
Database	Room
Networking	Retrofit + OkHttp
Security	Android Keystore / Biometrics

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📦 Build Instructions

Prerequisites

• Android Studio Hedgehog (2023.1.1) or later.
• JDK 17.
• Android SDK 34 (Target).

Step-by-Step

1. Clone the repository

   git clone https://github.com/FlowStablee/flowstable-android-test-wallet.git

2. Open in Android Studio Wait for Gradle to sync.
3. Build APK
   • Click Build > Build Bundle(s) / APK(s) > Build APK(s).
4. Run
   • Use an emulator (API 26+) or a physical device.

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📐 Architecture Overview

The app follows Modern Android Development (MAD) practices:

• UI Layer: Composable screens observing StateFlows from ViewModels.
• Domain Layer: Repositories abstracting data sources (Blockchain, Local DB, API).
• Data Layer: Room DAOs, Retrofit Interfaces, and SecureStorage.

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📜 License

Distributed under the MIT License. See LICENSE for more information.

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Built with 🖤 by FlowStable Labs