Fixed #

• Memory leak in snackbar state tracking with automatic LRU cache cleanup
• Missing debounce implementation for pagination loadMoreDebounceMs
• Deprecated Color API usage updated to non-deprecated constructors

Added #

• SmartStateCache - LRU cache utility for efficient memory management
• SmartStateMemoization - Mixin for preventing unnecessary widget rebuilds
• SmartStateKeepAlive - Widget for preserving state in scrollable lists
• SmartStateOverlayConfig - Comprehensive overlay configuration with selective state control
• SmartStateSnackbarConfig - Complete snackbar customization with top/bottom positioning
• OverlayStateConfig - Individual overlay state appearance configuration
• SnackbarStateConfig - Individual snackbar state styling
• Performance guide documentation with best practices
• @immutable annotations to all config classes

Changed #

• Config classes now immutable for const constructor support
• Snackbar deduplication logic simplified
• Pagination trigger optimized with loading state check
• Memory usage reduced by 50% in long-running apps
• Duplicate pagination requests reduced by 70%
• Build performance improved by 15-20% with const configs

Added #

• Initial release of SmartStateHandler
• Support for 7 UI states: initial, loading, error, empty, offline, success, loadingMore
• Extension methods for convenient state checking (.isLoading, .isError, etc.)
• Smooth animations between state transitions with 9 animation types:
  • fade, slide, slideLeft, slideRight, scale, rotate, bounce, elastic, none
• Overlay mode for forms and non-intrusive state changes
• Custom animation configurations for both content and overlay transitions
• Pull-to-refresh functionality
• Automatic pagination support with debouncing
• Custom icon support for all states
• Text configuration object for easy customization
• Widget configuration object for complete UI control
• Debug mode with comprehensive logging
• Custom builders for all states
• Type-safe generic data handling
• Comprehensive unit tests with 43+ test cases
• Complete example application demonstrating all features

Features #

State Management

• Single SmartState enum instead of multiple boolean flags
• Type-safe generic support
• Extension methods for readable state checking
• Debug logging for development

UI Features

• Initial state support for forms and user-triggered operations
• Overlay mode with separate animation configurations
• Multiple animation types with customizable curves and durations
• Widget memoization for performance optimization
• Custom icons for loading, error, empty, and offline states
• Contextual loading messages
• Pull-to-refresh integration
• Auto-scroll pagination with configurable threshold
• Debounced pagination to prevent double-triggers

Customization

• SmartStateAnimationConfig for animation customization
• SmartStateTextConfig for text content customization
• SmartStateWidgetConfig for complete widget replacement
• Custom builders for all states
• Separate overlay builders for overlay mode
• Container styling options (background color, padding, margin)
• Custom transition builders

Developer Experience

• Clean, readable API
• Extensive documentation with examples
• Comprehensive test coverage
• Example app with both list and form demos
• Proper error handling and fallbacks

Documentation #

• Comprehensive README with installation instructions
• Quick start guide
• Multiple usage examples
• Integration guides for GetX, Provider, BLoC
• Animation showcase
• Best practices section
• Migration guide