lib/ ├── data/ │ ├── models/ # Data models for the app │ ├── repositories/ # Repository implementation for data access │ ├── services/ # External services integration such as payment and map services │ └── sources/ # Implementation of data sources such as API and database ├── domain/ │ ├── entities/ # Entities that represent the business logic of the app │ ├── repositories/ # Abstract classes for data access that define contracts for the repositories │ └── providers/ # Main business logic ├── presentation/ │ ├── pages/ # UI pages/screens for the app │ ├── widgets/ # Reusable widgets that are used across the app │ ├── theme/ # Custom theme for the app │ ├── utils/ # Helper/utility classes or functions │ └── navigation.dart # Navigation routes and logic ├── app.dart # Main entry point of the app ├── main.dart # Flutter application class and initialization └── dependencies.dart # Dependency Injection container configuration