After successful build, your application structure should look like this:
.
├── android - It contains files required to run the application on an Android platform.
├── assets - It contains all images and fonts of your application.
├── ios - It contains files required to run the application on an iOS platform.
├── lib - Most important folder in the application, used to write most of the Dart code..
├── main.dart - Starting point of the application
├── core
│ ├── app_export.dart - It contains commonly used file imports
│ ├── constants - It contains static constant class file
│ └── utils - It contains common files and utilities of the application
├── presentation - It contains widgets of the screens
├── routes - It contains all the routes of the application
└── theme - It contains app theme and decoration classes
└── widgets - It contains all custom widget classes