# Check Flutter installation status and system configuration
flutter doctor

# Detailed check (shows all component statuses)
flutter doctor -v

# Check specific platform configuration
flutter doctor --android-licenses

# Check current Flutter version
flutter --version

# List all available channels
flutter channel

# Switch to stable channel
flutter channel stable

# Switch to beta channel
flutter channel beta

# Update Flutter to latest version
flutter upgrade

# Downgrade to previous version
flutter downgrade

# Create a new Flutter app
flutter create my_app

# Create with specific organization
flutter create --org com.example my_app

# Create with specific platforms
flutter create --platforms android,ios my_app

# Create a package
flutter create --template=package my_package

# Create a plugin
flutter create --template=plugin my_plugin

# Generate platform-specific code
flutter create --platforms web .

# Add platform support to existing project
flutter create --platforms macos,linux,windows .

# Run on connected device
flutter run

# Run in debug mode (default)
flutter run --debug

# Run in profile mode
flutter run --profile

# Run in release mode
flutter run --release

# Run on specific device
flutter run -d device_id

# Run with hot reload disabled
flutter run --no-hot-reload

# Run with specific target file
flutter run -t lib/main_dev.dart

# List all connected devices
flutter devices

# List all available emulators
flutter emulators

# Launch specific emulator
flutter emulators --launch emulator_id

# Run on Chrome (web)
flutter run -d chrome

# Run on specific iOS simulator
flutter run -d "iPhone 14 Pro"

# Build APK (debug)
flutter build apk

# Build APK (release)
flutter build apk --release

# Build APK for specific architecture
flutter build apk --target-platform android-arm64

# Build App Bundle (recommended for Play Store)
flutter build appbundle

# Build with obfuscation
flutter build apk --obfuscate --split-debug-info=debug-info/

# Build iOS app
flutter build ios

# Build iOS app for release
flutter build ios --release

# Build without code signing
flutter build ios --no-codesign

# Build for simulator
flutter build ios --simulator

# Build web app
flutter build web

# Build with specific renderer
flutter build web --web-renderer canvaskit

# Build with specific base href
flutter build web --base-href /my-app/

# Build for macOS
flutter build macos

# Build for Windows
flutter build windows

# Build for Linux
flutter build linux

# Run all tests
flutter test

# Run specific test file
flutter test test/widget_test.dart

# Run tests with coverage
flutter test --coverage

# Run integration tests
flutter drive --target=test_driver/app.dart

# Analyze code for issues
flutter analyze

# Format code
flutter format .

# Format specific file
flutter format lib/main.dart

# Check formatting without applying
flutter format --dry-run .

# Get dependencies
flutter pub get

# Update dependencies
flutter pub upgrade

# Add a new dependency
flutter pub add package_name

# Add a dev dependency
flutter pub add --dev package_name

# Remove a dependency
flutter pub remove package_name

# Show dependency tree
flutter pub deps

# Check for outdated packages
flutter pub outdated

# Validate package before publishing
flutter pub publish --dry-run

# Publish package
flutter pub publish

# Check package score
flutter pub points

# Open Flutter Inspector
flutter inspector

# Attach debugger to running app
flutter attach

# Attach to specific device
flutter attach -d device_id

# Enable performance overlay
flutter run --enable-performance-overlay

# Profile app performance
flutter run --profile

# Generate performance trace
flutter drive --profile --trace-startup

# Analyze app size
flutter build apk --analyze-size

# Build with tree shaking disabled
flutter build apk --no-tree-shake-icons

# Clean build artifacts
flutter clean

# Clean and get dependencies
flutter clean && flutter pub get

# Reset Flutter installation
flutter doctor --reset

# Enable/disable specific platforms
flutter config --enable-web
flutter config --enable-macos-desktop
flutter config --enable-linux-desktop
flutter config --enable-windows-desktop

# Configure analytics
flutter config --no-analytics

# Set custom Android SDK path
flutter config --android-sdk /path/to/android/sdk

# View device logs
flutter logs

# Clear device logs
flutter logs --clear

# View logs for specific device
flutter logs -d device_id

# Enable verbose logging
flutter run -v

git log --oneline

// Good: Single responsibility
const UserProfile = ({ user }) => {
  return (
    <div className="user-profile">
      <UserAvatar src={user.avatar} />
      <UserInfo name={user.name} email={user.email} />
    </div>
  );
};

// Avoid: Too many responsibilities
const UserDashboard = ({ user, posts, notifications }) => {
  // Too much logic in one component
};