Set up core app architecture and navigation framework

[uqmshawn]

Objective

Establish the foundational architecture for SensorSuite Pro using MVVM with Repository pattern and implement the core navigation framework.

Technical Requirements

Navigation Framework

• Set up single activity architecture with Navigation Component
• Implement bottom navigation with 5 main tabs:
  • 🏠 Home
  • 📂 Categories
  • 🔍 Search
  • 📱 Sensors
  • ⚙️ Settings

Core Architecture Components

1. MVVM Setup

   • Create base ViewModel class with lifecycle management
   • Set up Repository pattern infrastructure
   • Implement dependency injection with Hilt (Android) / Native DI (iOS)

2. Database Structure

   • Set up Room database (Android) / Core Data (iOS)
   • Create entity models for:
     • Sensor data
     • App categories
     • User preferences
     • App-sensor mappings

3. Main Activity Structure

class MainActivity : AppCompatActivity() {
    private lateinit var navController: NavController
    private lateinit var bottomNav: BottomNavigationView
    
    // Navigation setup
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        
        setupNavigation()
        setupDependencyInjection()
        initializeCoreServices()
    }
    
    private fun setupNavigation() {
        // Set up NavController with bottom navigation
        navController = findNavController(R.id.nav_host_fragment)
        bottomNav = findViewById(R.id.bottom_navigation)
        bottomNav.setupWithNavController(navController)
        
        // Handle deep links
        setupDeepLinkHandler()
    }
}

Project Structure

app/
├── data/
│   ├── repository/
│   ├── local/
│   └── models/
├── di/
├── ui/
│   ├── main/
│   ├── home/
│   ├── categories/
│   ├── search/
│   ├── sensors/
│   └── settings/
├── utils/
└── domain/
    ├── usecases/
    └── interfaces/

Tasks

1. Project Setup

• Create new Android/iOS project with recommended architecture
• Set up dependency injection framework
• Configure build variants and flavors
• Set up project-wide Kotlin/Swift coding standards

2. Navigation Implementation

• Implement bottom navigation with 5 main sections
• Set up navigation graph with all main destinations
• Implement deep linking support
• Add navigation animations and transitions

3. Core Architecture

• Set up MVVM base classes
• Implement repository pattern infrastructure
• Create database schema and migrations
• Set up core service interfaces

4. Testing Infrastructure

• Set up unit test framework
• Configure UI test framework
• Add CI pipeline configuration
• Create base test classes and utilities

Acceptance Criteria

1. Navigation

   • Bottom navigation smoothly switches between all 5 main sections
   • Deep links correctly navigate to appropriate screens
   • Back stack behavior works as expected
   • Navigation animations are smooth (60 FPS)

2. Architecture

   • MVVM pattern properly implemented with clean separation of concerns
   • Repository pattern correctly manages data access
   • Dependency injection properly set up
   • Database schema supports all required entities

3. Performance

   • Cold start time under 3 seconds
   • Smooth navigation transitions (60 FPS)
   • Memory usage within acceptable limits
   • No memory leaks in navigation

4. Testing

   • Unit tests passing for core components
   • UI tests verify basic navigation
   • CI pipeline successfully builds and tests project