Amania – The Ultimate Flutter Invoice & Inventory Manager

Amania is a premium, offline-first Flutter application designed to help small businesses and freelancers manage their invoices, clients, and inventory with ease. Built with Clean Architecture and BLoC, it offers a robust, scalable, and maintainable codebase perfect for developers and business owners alike.

Main Features

Smart Dashboard & Analytics

• Interactive Charts: Visualize sales trends over time (Weeks, Months, Years).
• Quick Stats: Instant view of Total Sales, Invoice Counts, and Products.
• Recent Activity: Track the latest invoices and actions directly from the home screen.

Advanced Invoicing System

• 7 Premium Invoice Layouts: Choose from professionally designed templates .
• Customizable Branding: Add company logo, signature, and details.
• Status Tracking: Manage Paid, Unpaid, Overdue, and Partially Paid invoices.
• Calculations: Automatic calculation of Subtotals, Taxes, Discounts, and Grand Totals.
• ZATCA Compliant: Automatic QR Code generation for tax compliance .
• Digital Signature: Sign invoices directly within the app.

Inventory & Stock Management

• Real-Time Stock Tracking: Automatically deducts stock upon invoice creation.
• Stock Validation: Prevents selling items that are out of stock with smart alerts.
• Product Organization: Categorize products for easy filtering and searching.
• Barcode Scanning: Quickly add products to invoices using the built-in scanner.
• Low Stock Indicators: Visual cues for products running low.

Client Management (CRM)

• Detailed Profiles: Store client names, addresses, phones, and tax numbers.
• Contact Integration: Import clients directly from your phone’s contacts.
• Transaction History: View all invoices and payments linked to a specific client.
• Direct Communication: Call or email clients directly from the app.

Payment Tracking

• Partial Payments: Record multiple payments towards a single invoice.
• Balance Tracking: Automatically tracks remaining amounts and updates invoice status.
• Payment History: Keep a log of all received payments with dates and notes.

Localization & Customization

Multi-Language Support

• 8 Languages Included: English, Arabic, German, Spanish, French, Italian, Portuguese, Turkish.
• RTL Support: Native Right-to-Left layout support for Arabic and other RTL languages.
• Easy Translation: JSON-based localization system makes adding new languages effortless.

Multi-Currency

• Global Currency Support: pre-configured with major currencies (USD, EUR, SAR, AED, etc.).
• Currency Formatting: Smart formatting based on locale preferences.

UI/UX Customization

• Dark & Light Mode: Fully supported throughout the app.
• Theme Colors: Users can select their preferred primary color for the app interface.

Security & Data

Offline-First & Secure

• 100% Offline: Data is stored locally on the device using SQLite (Drift). No server required.
• Data Privacy: No data is shared with third parties.

Backup & Restore

• Local Backup: Create encrypted backup files of your entire database.
• Easy Restore: Restore data seamlessly when switching devices or reinstalling.

Technical Highlights

• Flutter 3.x: Built with the latest stable version of Flutter.
• Clean Architecture: Separated into Domain, Data, and Presentation layers for scalability.
• BLoC Pattern: Industry-standard state management for predictable app behavior.
• Dependency Injection: Using get_it and injectable for testable code.