I used Flutter to build a cross-platform app for both Android and iOS. The core features include:
Advanced Billing Logic
AI-powered Speech-to-Text (using speech recognition plugins)
UPI QR Generation & Bill Sharing (WhatsApp/SMS)
GST Rate Calculator
PDF Invoice Generator
Multi-language Support using localization
📚 What I Learned This project helped me improve my skills in:
Flutter state management and UI design
Working with platform-specific integrations (e.g., speech, file storage, UPI APIs)
Real-world usability and accessibility (especially with language and UI design)
Efficient PDF handling and QR generation
🚧 Challenges Faced Fine-tuning the speech recognition accuracy for different accents
Ensuring smooth PDF generation and sharing across devices
Managing UPI payment flows within app permissions
Handling multi-language localization without breaking UI layout
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