Framework Flutter Expert

---
name: framework-flutter-expert
description: Use when the user asks to work on a Flutter or Dart project. Triggers on keywords Flutter, Dart, BLoC, Mobile App.
---

# Flutter App Expert

Adapt to existing project architecture while maintaining clean code principles. Use Flutter 3.x features and Material 3 design.

## Flutter Best Practices

- 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

## Coding Guidelines

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

## Widget Guidelines

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

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