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Creating Your First Flutter App: Exploring Project Structure and Key Files

In this article, we’ll walk through creating a basic Flutter app, introducing essential concepts about Flutter’s project structure and key files. We’ll cover each file and folder you’ll see in a newly created Flutter project, explaining their purpose and why they’re significant. By the end of this guide, you’ll have a solid understanding of Flutter’s file layout and be ready to start coding!
Creating Your First Flutter App: first_app
flutter create first_app
Flutter generates a new folder named first_app
with a variety of files and folders. Let’s take a look at each one to understand its role.
Files and Folders in a Flutter Project
1. lib
Folder
The lib
folder is the most important directory in a Flutter project, as it holds all of your main application code written in Dart. Inside this folder, you’ll find main.dart
, which is the entry point of your Flutter app.
main.dart
: This file contains the root widget of your Flutter application, which Flutter uses as the starting point when running the app. Here’s a simple breakdown of the contents of main.dart
:
import…