Water Purifier App

The Water Purifier Mobile App is a comprehensive cross-platform application built with Flutter and GetX state management. It serves as the primary touchpoint for customers to book water purifier maintenance services, manage subscriptions, and communicate with technicians in real-time.

Market Need

The project addresses the need for a seamless mobile experience in the water purification service industry, enabling customers to easily schedule maintenance, track service requests, and maintain their purifier subscriptions - all from their smartphones.

• Real-time Service Booking: Intuitive booking interface with calendar selection, preferred time slots, and instant confirmation
• Technician Assignment: Automatic matching of nearby technicians with real-time GPS tracking and ETA updates
• Push Notifications: Firebase Cloud Messaging for service reminders, technician arrival alerts, and appointment updates
• WhatsApp Integration: Direct messaging with technicians through WhatsApp for quick support and appointment coordination
• Subscription Management: Flexible subscription plans with automatic billing, renewal reminders, and service history tracking
• In-app Payments: Secure payment processing for one-time services and subscription renewals
• Service History & Ratings: Complete transaction history with ability to rate and review completed services
• Customer Support Chat: In-app messaging for customer inquiries and issue resolution

Frontend Architecture:

• Built with Flutter for native performance on both iOS and Android from single codebase
• GetX state management for reactive, declarative UI programming and simplified navigation
• Custom widgets for enhanced user experience and code reusability
• Responsive design that adapts to various screen sizes and orientations

Backend Integration:

• Firebase Authentication for secure user login and account management
• Firestore for real-time data synchronization of bookings and technician locations
• Cloud Functions for automated workflows like technician assignment and notification sending
• REST API integration for payment processing and subscription management

Third-party Integrations:

• Google Maps for location services and technician tracking
• Firebase Cloud Messaging for push notifications
• WhatsApp Business API for direct messaging
• Payment gateway integration for secure transactions

The app prioritizes user experience with an intuitive interface that requires minimal learning curve. The onboarding flow guides new users through profile setup, service area selection, and subscription plan selection within 2-3 minutes.

Key UX Features:

• One-tap booking with saved service preferences
• Real-time notification system for all service updates
• Dark mode support for comfortable viewing in various lighting conditions
• Offline capability for browsing bookings and service history
• Accessibility features for users with visual or hearing impairments