Added #

Core Components

• SkeletonLoader: Main widget providing skeleton loading with shimmer effects
• SkeletonTheme: Inherited widget for consistent theming across skeleton components
• SkeletonThemeData: Theme configuration with light/dark presets

Primitive Skeletons

• RectSkeleton: Rectangular skeleton placeholders with customizable dimensions
• CircleSkeleton: Circular skeleton placeholders for avatars and icons
• LineSkeleton: Line skeleton placeholders for text content
• RoundedSkeleton: Rounded rectangular skeleton placeholders

Preset Components

• SkeletonListTile: Pre-configured skeleton for list items with leading, title, subtitle, and trailing elements
• SkeletonCard: Pre-configured skeleton for card layouts with optional image, title, subtitle, and action buttons
• SkeletonProfileHeader: Pre-configured skeleton for profile headers with avatar, name, and subtitle

Layout Helpers

• SkeletonList: List view helper for generating skeleton list items
• SkeletonGrid: Grid view helper for generating skeleton grid items

Animation System

• GPU-accelerated shimmer effects with fragment shader support
• Gradient-based fallback for shimmer animations
• Customizable animation duration, intensity, and direction
• Smooth 60fps animations optimized for Impeller

Theming & Customization

• Light and dark theme presets
• Customizable base and highlight colors
• Density scaling for different screen sizes
• Elevation support for card-like skeleton elements
• Brightness-aware theme switching

Performance Optimizations

• Reused animation controllers and shaders
• Efficient painting with minimal overdraw
• Frame budget compliant rendering (< 4ms paint time)
• Memory-efficient resource management

Features #

• 🚀 Production Ready: Thoroughly tested and optimized for production use
• ✨ Smooth Animations: 60fps shimmer effects with GPU acceleration
• 🎨 Highly Customizable: Extensive theming and configuration options
• 🧩 Modular Design: Mix and match components or use complete presets
• 📱 Responsive: Automatic adaptation to different screen densities
• 🌙 Dark Mode: Built-in support for light and dark themes
• ⚡ Performance: Optimized for Impeller with efficient resource usage

Example App #

• Comprehensive demo application showcasing all features
• Interactive controls for toggling skeletons and shimmer effects
• Light/dark theme switching
• Multiple screen layouts (List, Grid, Profile)
• Real content comparison views

Documentation #

• Complete API documentation with examples
• Performance optimization guidelines
• Integration best practices
• Customization tutorials