InvestmentTracker is a beautifully designed Android app that helps workers effortlessly track their shifts, calculate earnings in real-time, and maintain a complete work history — all with a single tap.

Whether you are a barista, nurse, warehouse worker, or freelancer, InvestmentTracker keeps your hours honest and your paycheck accurate.

• Sign up / Sign in with Email & Password or Google Sign-In
• Continue as Guest for quick access without an account
• Personalized greeting — dashboard shows "Hello, Guest" or "Hello, <your name>"
• Guest mode hides account-specific settings (Personal Info, Job Details, Change Password)

• Prominent one-tap Clock In button on the dashboard
• Triggers a persistent foreground notification so you can track time without keeping the app open
• Real-time elapsed time display
• Shift Start/End alert notifications — get notified the moment you clock in or out

A clean, scannable timesheet built with Jetpack Compose:

• Automatically subtracts unpaid break time
• Applies 1.5x Time-and-a-Half multipliers for overtime hours
• Weekly summary with total hours and total estimated earnings

• 7-day week grid showing worked days at a glance
• Tap any day to see detailed shift entries for that day
• Visual indicators for days with logged hours

• Comprehensive summary of all logged shifts with Week / Month / Year filter
• Displays total hours, total pay, and shift count at a glance
• Shifts grouped by date with per-day subtotals
• Color-coded shift type indicators (Morning / Night / Overtime)
• Accessible from the Summary tab in the bottom navigation bar

• Shift Start/End Alerts — toggle notifications when you clock in or out
• Scheduled Reminders — set a daily clock-in and clock-out reminder at a specific time
• Day Selection — choose which days of the week (Sun–Sat) reminders should fire
• Alert Style — toggle sound and vibrate independently
• Reminders use AlarmManager for reliable background delivery, even in Doze mode
• Reminders persist across device reboots via BOOT_COMPLETED receiver

• Dynamic user profile — shows guest info or logged-in user details
• Avatar with initial letter, role, and employee ID
• Personal info and job details (hidden for guest users)
• Configurable hourly rate
• Notification preferences with navigation to full settings screen
• Appearance customization

• Adaptive UI that scales across all device resolutions
• Custom Dimens system based on screen width (baseline: 392dp)
• Font sizes, icon sizes, spacing, button heights, and paddings all scale proportionally
• Scale factor clamped between 0.75x–1.35x to support small phones through tablets
• Provided via CompositionLocalProvider at the theme level — available in every screen

• Firestore integration keeps your history safe even if you lose your phone
• Offline Mode — data syncs automatically when you are back online

app/src/main/java/com/example/shiftsync/
├── MainActivity.kt                  # App entry point & Compose navigation host
├── ShiftDomain.kt                   # Models, payroll calculator, persistence helpers
├── ClockForegroundService.kt        # Live clock persistent notification service
├── ShiftAlertHelper.kt              # Clock in/out notification alerts
├── ShiftReminderReceiver.kt         # Scheduled reminder BroadcastReceiver + AlarmManager
├── BootReminderReceiver.kt          # Re-schedules reminders after device reboot
├── ui/
│   ├── HomeScreen.kt                # Main dashboard with Clock In/Out
│   ├── ManualEntryScreen.kt         # Manual hours entry form
│   ├── CalendarScreen.kt            # Calendar / weekly overview
│   ├── SummaryScreen.kt             # Summary with Week/Month/Year filter
│   ├── NotificationsScreen.kt       # Notifications list screen
│   ├── NotificationSettingsScreen.kt # Notification & reminder settings
│   ├── ProfileScreen.kt             # User profile & settings
│   ├── LoginScreen.kt               # Authentication screen (login + guest)
│   └── theme/
│       ├── Color.kt                 # Color palette
│       ├── Dimens.kt                # Responsive dimensions system
│       ├── Theme.kt                 # Material 3 dark theme + ProvideDimens
│       └── Type.kt                  # Typography

• Android Studio Hedgehog or later
• Android SDK 24+
• A Firebase project (for Auth and Firestore features)

git clone https://github.com/Alexmaster12345/InvestmentTracker.git
cd InvestmentTracker

1. Go to Firebase Console and create a new project
2. Add an Android app with package name com.example.shiftsync
3. Download google-services.json and place it in the app/ folder
4. Enable Authentication (Email/Password + Google) in the Firebase console
5. Enable Firestore Database in the Firebase console

# Run on a connected device or emulator
./gradlew installDebug

# Run unit tests
./gradlew test

Or open the project in Android Studio and press ▶ Run (Shift+F10).

Unit tests cover payroll calculation scenarios:

./gradlew test

Test file: app/src/test/java/com/example/shiftsync/PayrollCalculatorTest.kt

• Clock In/Out with persistent foreground notification
• Shift types — Morning, Night, Overtime
• Automatic break subtraction and overtime calculations
• Dynamic timesheet table
• Weekly 7-day view with day drill-down
• Manual hours entry
• Profile screen with settings
• Guest mode with personalized greeting
• Dynamic profile (guest vs. logged-in user)
• Shift start/end alert notifications
• Scheduled clock-in/clock-out reminders with time picker
• Day-of-week selection for reminders (Sun–Sat)
• Sound & vibrate preferences for alerts
• Boot-persistent reminders (survive device restart)
• Responsive UI scaling for all device resolutions
• Firebase Authentication (Email + Google)
• Room database for offline-first storage
• Firestore cloud sync with conflict handling
• CSV / PDF export for payroll
• Home screen widget for quick Clock In
• Dark / Light theme toggle

Contributions are welcome!

1. Fork the repository
2. Create a feature branch: git checkout -b feature/your-feature
3. Commit your changes: git commit -m "Add your feature"
4. Push to the branch: git push origin feature/your-feature
5. Open a Pull Request

This project is licensed under the MIT License — see the LICENSE file for details.