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Backport of Apple’s Liquid Glass system for iOS 13–18 with native API parity. Includes a reimplementation for iOS 26+ that unlocks advanced customization beyond the native system's limits.
| Date | Stars |
|---|---|
| 2026-07-24 | 384 |
| 2026-07-25 | 386 |
| 2026-07-28 | 386 |
| 2026-07-30 | 386 |
| 2026-08-06 | 386 |
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# LiquidGlassKit A backport of Apple's Liquid Glass design system for iOS 13 through 18, featuring native API compatibility for seamless in-place substitution and convenient factory methods that allow you to choose between native and recreated components on iOS 26+. ## Overview LiquidGlassKit brings the beautiful liquid glass visual effects from iOS 26 to older iOS versions. The library provides drop-in replacements for native components with full API compatibility, ensuring your code works seamlessly across iOS versions while automatically leveraging native implementations when available. ## Components ### LiquidGlassView <img src="https://github.com/user-attachments/assets/a08f6427-def6-4ed6-802f-8d697608f09b" width="323" alt="LiquidGlassView"> The core rendering engine that produces the liquid glass effect using Metal shaders. It captures background content behind the view and applies sophisticated glass-like visual effects including: - **Refraction**: Simulates light bending through glass with configurable refractive index - **Chromatic Dispersion**: Prismatic color separation on edges for realistic glass appearance - **Fresnel Reflections**: Edge lighting that intensifies at viewing angles - **Glare Highlights**: Directional specular streaks that respond to surface normals - **Shape Merging**: Smooth union of multiple rectangles with customizable corner rounding The view utilizes `CABackdropLayer` and a zero-copy bridge to efficiently capture and process background content. > [!WARNING] > The LiquidGlassKit also includes an App Store-safe alternative background capture method that relies solely on public APIs. This approach uses root view rendering instead of the private CABackdropLayer, making it more CPU-intensive while preserving the full liquid glass effect. Starting with iOS 26.2, this is the only working method and is used automatically. ### LiquidLensView <img src="https://github.com/user-attachments/assets/60423c8a-a6c7-469e-acda-65e8debbdc8d" width="330" alt="LiquidLensView"> A custom implementation of the private `_UILiquidLensView` used in iOS 26's `UITabBar`. This component provides: - **Resting State**: A semi-transparent white pill that displays when not interacting - **Lifted State**: Morphs into a full `LiquidGlassView` when the tab bar item is lifted - **Acceleration-Based Animation**: Tracks position history and applies squash/stretch effects based on movement acceleration - **Smooth Transitions**: Spring-based animations between resting and lifted states > [!NOTE] > The view implements the `AnyLiquidLensView` protocol, enabling it to serve as a drop-in replacement for the private `_UILiquidLensView` class. ### LiquidGlassEffectView <img src="https://github.com/user-attachments/assets/be5e4bb9-ecd0-4fae-9655-9bbcf1faded6" width="300" alt="LiquidGlassEffectViewLight"> <img src="https://github.com/user-attachments/assets/a9ae82df-2982-4bea-bc09-c7f4d59e0808" width="300" alt="LiquidGlassEffectViewDark"> A `UIVisualEffectView`-compatible wrapper that provides liquid glass effects through the standard visual effect API. Supports: - **LiquidGlassEffect**: Individual glass elements with configurable styles (regular, clear) - **LiquidGlassContainerEffect**: Combined glass rendering for multiple nested elements - **Interactive Mode**: Optional touch-responsive behavior - **Tint Customization**: Per-effect color tinting > [!NOTE] > LiquidGlassKit declares the `AnyVisualEffectView` protocol, which both native `UIVisualEffectView` and the custom `LiquidGlassEffectView` conform to, enabling seamless interoperability between implementations. ### LiquidGlassSlider <img src="https://github.com/user-attachments/assets/abfb38eb-9df1-4ed1-bcff-590b9e42c975" width="280" alt="LiquidGlassSlider"> A fully compatible `UISlider` replacement that replicates iOS 26's liquid glass sliding style. Features include: - **Dual Thumb States**: - **Contracted**: Solid filled pill in resting state - **Expanded*
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