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Flutter Project Folder Structure

When you create a new Flutter project, it comes with a well-organized folder structure. Understanding this structure is key to managing your codebase efficiently and scaling your project as it grows. Here’s a breakdown of the main directories and files you’ll encounter:

android/

This folder contains the Android-specific code and configuration needed to run your Flutter app on Android devices.

  • app/ – Main Android application code, including manifest and Java/Kotlin files.
  • gradle/ – Gradle build configuration scripts.
  • gradle.properties – Defines Gradle settings and properties.
  • gradlew / gradlew.bat – Gradle wrapper scripts for Unix and Windows.
  • settings.gradle – Specifies Gradle settings for the project.

build/

Generated automatically during the build process. It contains compiled files and can be excluded from version control.

ios/

Contains the iOS-specific code and settings required to run your app on Apple devices.

  • Runner/ – Xcode project folder with configurations and source files.
  • Podfile – Used to manage iOS dependencies via CocoaPods.

lib/

The main directory for writing your Dart code. This is where your application logic and UI are built.

  • main.dart – The main entry point of your Flutter application.
  • You can create additional folders (e.g., screens/, widgets/, services/) for better organization.

test/

Used for writing unit tests, widget tests, and integration tests to ensure your app works as expected.

web/

Only present if your project targets the web platform. It contains HTML and JS files specific to the web version of your app.

assets/

A folder for storing static assets like images, fonts, and JSON files.

  • Common subfolders: images/, fonts/, icons/

pubspec.yaml

The configuration file where you define dependencies, assets, fonts, and metadata about your Flutter project.

README.md

A Markdown file used for writing documentation or instructions related to your project.

LICENSE

If you’re using an open-source license, you can include it here.

.gitignore

Specifies which files and directories Git should ignore (e.g., build/, temporary files).

.analysis_options

Configuration for customizing the Dart analyzer, including linting rules.

pubspec.lock

Generated automatically to lock versions of dependencies used in your project.

.metadata

Stores project-specific metadata used by Flutter tools.

.packages

Used internally by Dart to locate packages. Replaced in newer versions by .dart_tool/.

.flutter_settings

Contains IDE-specific settings related to Flutter.

Here’s a visual representation of the typical Flutter folder structure:

Flutter Project Folder Structure

Common Flutter Commands

flutter
flutter doctor
flutter doctor --android-licenses

Create a New Flutter Project

Run the following command in your terminal to create a new Flutter project:

flutter create budget_buddy

That’s it! With this folder structure and the right tools, you’re all set to start building your next Flutter app with clarity and efficiency.

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