The task is to implement a food delivery app to let the user browse meals and add meals to his favourite page and to add meals to cart.

The basic features that are fulfilled include:

• As a User I should be able to browse categories.
• As a User I should be able to browse click on a category from categories screen and show me the category meals.
• As a User I should be able to save any meal into my favourite section.
• As a User I should be able to add any meal into my cart section.
• As a User I should be able to delete any meal from my cart section.
• As a User I should be able to delete any meal from my favourite section.

.
├── core
│   ├── constants
│   ├── models
│   ├── data
│   ├── domain
│   └── view_models
├── ui
│   ├── utils
│   ├── views
│   └── widgets
└── config

The lib folder is divided into three folders; core, ui, and config. Core contains all the files associated with the logic. Ui contains all the files associated with the ui. Config is for configurations.

• core

  • constants
    • Holds app constants and enums and routes.
  • models
    • Contains all the plain data models.
  • data
    • This layer interacts directly with an API (REST API or a local database).
  • domain
    • This layer transforms or manipulates the data that the API or local database provides.
  • view_models
    • This layer manages the state (Business logic layer). contains a view model for each view which will act as an interface between a view and domains.

• ui

  • utils
    • Contains functions or constants that are used in multiple other UI files.
  • views
    • Contains the main app screens.
  • widgets
    • Contains widget files that are too big to keep in the view files.
    • Usually contains shared widgets that are classes extending stateless widgets.

• config

  • configuration files for routing, providers, locators and functions (Usually contains shared functions that are classes use them)

1. Writing Unit tests.
2. Add meal details screen.
3. improve cart screen by adding quantity number for each meal and increase and decrease buttons for quantity number.
4. Add dark theme to the app.

• provider: ^6.0.3
• http: ^0.13.4
• cached_network_image: ^3.2.1
• shared_preferences: ^2.0.15
• equatable: ^2.0.0
• get_it: ^7.2.0

• Run flutter packages get to download pubspec dependencies.
• Run flutter clean for most of the first-run errors you may face.
• Run flutter run to try it live on a running emulator or USB connected device.
• You can target a specific device to run by running flutter devices and getting the id and running flutter run -d <device_id>.
• Run flutter build apk to generate the APK file.
• Run flutter build ios to package the iOS app.