Lære Organizing Files and Folders in Flutter Projects | Writing Clean Dart for Scalable Flutter Apps

When building Flutter apps, adopting a clear file and folder structure from the start makes your codebase easier to navigate and maintain as your project grows. A recommended approach is to keep your project organized by grouping related files together, either by their feature or by their type. This helps you and your team quickly find, understand, and modify code without confusion.

A typical Flutter project structure might look like this:

lib/: Main directory for your Dart source files;
lib/main.dart: The entry point of your app;
lib/features/: Contains folders for each major feature or section of your app;
lib/common/: Holds shared utilities, widgets, or themes used across features.

Inside each feature folder, you might have subfolders for widgets, models, and business logic related to that feature.

lib/main.dart

lib/features/auth/auth_screen.dart

lib/features/home/home_screen.dart

lib/common/theme.dart


              123456
            
import 'features/auth/auth_screen.dart';
import 'features/home/home_screen.dart';

void main() {
  // App entry point
}

You can choose to organize your files by feature—where each folder contains everything for a specific feature, such as UI, logic, and data classes—or by type, where files are grouped by their role, such as all models in one folder, all screens in another, and so on. Organizing by feature is often preferred for larger apps, as it keeps related code together and makes scaling easier.

lib/features/profile/profile_screen.dart


              1234567
            
import '../../common/theme.dart';

class ProfileScreen {
  void showTheme() {
    print(appTheme);
  }
}

Note

Consistent file and folder organization is crucial for scalability. It helps new developers onboard quickly, reduces merge conflicts, and keeps your project maintainable as it grows.

Alt var klart?

Takk for tilbakemeldingene dine!

Seksjon 3. Kapittel 5

Spør AI

Spør om hva du vil, eller prøv ett av de foreslåtte spørsmålene for å starte chatten vår

Suggested prompts:

Can you give an example of a feature-based folder structure?

What are the pros and cons of organizing by feature versus by type?

How should I decide which structure is best for my Flutter project?

Sveip for å vise menyen