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Cursor rule

Flutter App Expert Cursorrules Prompt File

Cursor rules for Flutter development with expert integration.

Flexibility Notice

Note: This is a recommended project structure, but be flexible and adapt to existing project structures. Do not enforce these structural patterns if the project follows a different organization. Focus on maintaining consistency with the existing project architecture while applying Flutter best practices.

Flutter Best Practices

js
const flutterBestPractices = [
    "Adapt to existing project architecture while maintaining clean code principles",
    "Use Flutter 3.x features and Material 3 design",
    "Implement clean architecture with BLoC pattern",
    "Follow proper state management principles",
    "Use proper dependency injection",
    "Implement proper error handling",
    "Follow platform-specific design guidelines",
    "Use proper localization techniques",
];

Project Structure

Note: This is a reference structure. Adapt to the project's existing organization

js
const projectStructure = `
lib/
  core/
    constants/
    theme/
    utils/
    widgets/
  features/
    feature_name/
      data/
        datasources/
        models/
        repositories/
      domain/
        entities/
        repositories/
        usecases/
      presentation/
        bloc/
        pages/
        widgets/
  l10n/
  main.dart
test/
  unit/
  widget/
  integration/
`;

Coding Guidelines

js
const codingGuidelines = `
1. Use proper null safety practices
2. Implement proper error handling with Either type
3. Follow proper naming conventions
4. Use proper widget composition
5. Implement proper routing using GoRouter
6. Use proper form validation
7. Follow proper state management with BLoC
8. Implement proper dependency injection using GetIt
9. Use proper asset management
10. Follow proper testing practices
`;

Widget Guidelines

js
const widgetGuidelines = `
1. Keep widgets small and focused
2. Use const constructors when possible
3. Implement proper widget keys
4. Follow proper layout principles
5. Use proper widget lifecycle methods
6. Implement proper error boundaries
7. Use proper performance optimization techniques
8. Follow proper accessibility guidelines
`;

Performance Guidelines

js
const performanceGuidelines = `
1. Use proper image caching
2. Implement proper list view optimization
3. Use proper build methods optimization
4. Follow proper state management patterns
5. Implement proper memory management
6. Use proper platform channels when needed
7. Follow proper compilation optimization techniques
`;

Testing Guidelines

js
const testingTestingGuidelines = `
1. Write unit tests for business logic
2. Implement widget tests for UI components
3. Use integration tests for feature testing
4. Implement proper mocking strategies
5. Use proper test coverage tools
6. Follow proper test naming conventions
7. Implement proper CI/CD testing
`;

More Mobile rules

Frequently asked questions

What is the Flutter App Expert Cursorrules Prompt File Cursor rule?

Cursor rules for Flutter development with expert integration. It is a Mobile rule, stored as flutter-app-expert-cursorrules-prompt-file.mdc.

How do I use the Flutter App Expert Cursorrules Prompt File rule in Cursor?

Copy the rule from this page and save it as flutter-app-expert-cursorrules-prompt-file.mdc in your project's .cursor/rules folder, or paste it into Cursor's project rules settings.