Expo GlassEffect

使用 iOS 原生 UIVisualEffectView 渲染液态玻璃效果的 React 组件。

iOS

tvOS

Included in Expo Go

Bundled version:

~55.0.8

重要 GlassView 仅在 iOS 26 及以上版本可用。在不支持的平台上，它将回退到常规的 View。

使用 UIVisualEffectView 渲染原生 iOS 液态玻璃效果的 React 组件。支持可自定义的玻璃样式和色调颜色。

🌐 React components that render native iOS liquid glass effect using UIVisualEffectView. Supports customizable glass styles and tint color.

已知的问题

🌐 Known issues

在 GlassView 或其任何父视图上将 opacity 设置为 0 会导致玻璃效果完全无法渲染。要淡入/淡出玻璃效果，请在 glassEffectStyle 中使用内置的 animate 和 animationDuration 属性，而不是更改不透明度。如果你仍然想使用 opacity，请参见不透明度动画变通方法示例。更多详情，请参阅 Apple 的文档和 GitHub 问题 #41024。

安装

🌐 Installation

Terminal

- npx expo install expo-glass-effect

If you are installing this in an existing React Native app, make sure to install expo in your project.

用法

🌐 Usage

`GlassView`

GlassView 组件渲染原生 iOS 玻璃效果。它支持不同的玻璃效果样式，并且可以通过着色颜色进行自定义，以满足各种美学需求。

🌐 The GlassView component renders the native iOS glass effect. It supports different glass effect styles and can be customized with tint colors for various aesthetic needs.

Basic GlassView usage

import { StyleSheet, View, Image } from 'react-native';
import { GlassView } from 'expo-glass-effect';

export default function App() {
  return (
    <View style={styles.container}>
      <Image
        style={styles.backgroundImage}
        source={{
          uri: 'https://images.unsplash.com/photo-1506905925346-21bda4d32df4?w=400&h=400&fit=crop',
        }}
      />

      {/* Basic Glass View */}
      <GlassView style={styles.glassView} />

      {/* Glass View with clear style */}
      <GlassView style={styles.tintedGlassView} glassEffectStyle="clear" />
    </View>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
  },
  backgroundImage: {
    ...StyleSheet.absoluteFill,
    width: '100%',
    height: '100%',
  },
  glassView: {
    position: 'absolute',
    top: 100,
    left: 50,
    width: 200,
    height: 100,
    borderRadius: 12,
    justifyContent: 'center',
    alignItems: 'center',
    padding: 20,
  },
  tintedGlassView: {
    position: 'absolute',
    top: 250,
    left: 50,
    width: 200,
    height: 100,
    borderRadius: 12,
    justifyContent: 'center',
    alignItems: 'center',
    padding: 20,
  },
  text: {
    fontSize: 16,
    fontWeight: '600',
    color: '#000',
    textAlign: 'center',
  },
});

`GlassContainer`

GlassContainer 组件允许你将多个玻璃视图组合成一个整体效果。

🌐 The GlassContainer component allows you to combine multiple glass views into a combined effect.

GlassContainer example

import { StyleSheet, View, Image } from 'react-native';
import { GlassView, GlassContainer } from 'expo-glass-effect';

export default function GlassContainerDemo() {
  return (
    <View style={styles.container}>
      <Image
        style={styles.backgroundImage}
        source={{
          uri: 'https://images.unsplash.com/photo-1547036967-23d11aacaee0?w=400&h=600&fit=crop',
        }}
      />
      <GlassContainer spacing={10} style={styles.containerStyle}>
        <GlassView style={styles.glass1} isInteractive />
        <GlassView style={styles.glass2} />
        <GlassView style={styles.glass3} />
      </GlassContainer>
    </View>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
  },
  backgroundImage: {
    ...StyleSheet.absoluteFillObject,
    width: '100%',
    height: '100%',
  },
  containerStyle: {
    position: 'absolute',
    top: 200,
    left: 50,
    width: 250,
    height: 100,
    flexDirection: 'row',
    alignItems: 'center',
    gap: 5,
  },
  glass1: {
    width: 60,
    height: 60,
    borderRadius: 30,
  },
  glass2: {
    width: 50,
    height: 50,
    borderRadius: 25,
  },
  glass3: {
    width: 40,
    height: 40,
    borderRadius: 20,
  },
});

动画玻璃效果风格

🌐 Animated glass effect style

glassEffectStyle 属性接受一个包含 animate 和 animationDuration 属性的配置对象，用于在玻璃效果样式之间进行原生动画过渡。这是淡入/淡出玻璃效果的推荐方法，而无需修改 opacity。

🌐 The glassEffectStyle prop accepts a config object with animate and animationDuration properties to natively animate transitions between glass styles. This is the recommended way to fade in/out the glass effect without modifying opacity.

Animated glass effect style

import { useState } from 'react';
import { StyleSheet, Text, View, Image, Pressable } from 'react-native';
import { GlassView } from 'expo-glass-effect';

export default function AnimatedGlassStyleExample() {
  const [visible, setVisible] = useState(true);

  return (
    <View style={styles.container}>
      <View style={styles.backgroundImage}>
        <Image
          style={{
            width: 300,
            height: 200,
          }}
          source={{
            uri: 'https://images.unsplash.com/photo-1506905925346-21bda4d32df4?w=400&h=400&fit=crop',
          }}
        />
        <GlassView
          style={styles.glassView}
          glassEffectStyle={{
            style: visible ? 'clear' : 'none',
            animate: true,
            animationDuration: 0.5,
          }}
        />
      </View>
      <Pressable style={styles.toggleButton} onPress={() => setVisible(prev => !prev)}>
        <Text style={styles.toggleButtonText}>{visible ? 'Hide' : 'Show'} Glass Effect</Text>
      </Pressable>
    </View>
  );
}

const styles = StyleSheet.create({
  container: {
    height: 300,
    width: 300,
  },
  backgroundImage: {
    position: 'absolute',
  },
  glassView: {
    position: 'absolute',
    width: 200,
    height: 120,
    borderRadius: 12,
  },
  toggleButton: {
    position: 'absolute',
    bottom: 100,
    alignSelf: 'center',
    backgroundColor: '#007AFF',
    paddingVertical: 14,
    paddingHorizontal: 24,
    borderRadius: 12,
  },
  toggleButtonText: {
    color: '#fff',
    fontSize: 16,
    fontWeight: '600',
  },
});

不透明度动画解决方法

🌐 Opacity animation workaround

由于在 GlassView 或其父视图上将 opacity 设置为 0 会导致玻璃效果完全无法渲染，你可以使用 Reanimated 来动画封装视图的不透明度，同时在所需样式和 'none' 之间切换 glassEffectStyle。

🌐 Since setting opacity to 0 on GlassView or its parent views causes the glass effect to not render at all, you can use Reanimated to animate a wrapper view's opacity while toggling the glassEffectStyle between the desired style and 'none'.

Glass effect opacity animation workaround

import { GlassView } from 'expo-glass-effect';
import { StyleSheet, Text, View, Image, Pressable } from 'react-native';
import Animated, {
  useAnimatedProps,
  useAnimatedStyle,
  useSharedValue,
  withTiming,
} from 'react-native-reanimated';

const AnimatedGlassView = Animated.createAnimatedComponent(GlassView);

export default function GlassOpacityAnimationExample() {
  const fadeOpacity = useSharedValue(0);

  const glassViewProps = useAnimatedProps(() => {
    const glassEffectStyle = fadeOpacity.value > 0.01 ? 'regular' : 'none';
    return {
      glassEffectStyle,
      style: {
        width: 150,
        height: 100,
        borderRadius: 12,
        position: 'absolute',
      },
    };
  });

  const fadeOpacityStyle = useAnimatedStyle(() => ({
    position: 'absolute',
    opacity: fadeOpacity.value,
    width: 150,
    height: 100,
    borderRadius: 12,
  }));

  return (
    <>
      <Text style={styles.title}>Opacity Animation Workaround (iOS 26.1+)</Text>
      <View style={styles.backgroundContainer}>
        <Image
          style={styles.backgroundImage}
          source={{
            uri: 'https://images.unsplash.com/photo-1506905925346-21bda4d32df4?w=400&h=400&fit=crop',
          }}
        />
        <Animated.View style={fadeOpacityStyle}>
          <AnimatedGlassView animatedProps={glassViewProps} />
        </Animated.View>
      </View>

      <Pressable
        style={styles.toggleButton}
        onPress={() => {
          fadeOpacity.value = withTiming(fadeOpacity.value > 0.5 ? 0 : 1, { duration: 500 });
        }}>
        <Text style={styles.toggleButtonText}>Toggle Glass Visibility</Text>
      </Pressable>
    </>
  );
}

const styles = StyleSheet.create({
  title: {
    fontSize: 20,
    fontWeight: 'bold',
  },
  backgroundContainer: {
    height: 300,
    borderRadius: 12,
    overflow: 'hidden',
    position: 'relative',
  },
  backgroundImage: {
    width: '100%',
    height: '100%',
  },
  toggleButton: {
    backgroundColor: '#007AFF',
    paddingVertical: 14,
    paddingHorizontal: 24,
    borderRadius: 12,
    alignItems: 'center',
  },
  toggleButtonText: {
    color: '#fff',
    fontSize: 16,
    fontWeight: '600',
  },
});

`isLiquidGlassAvailable`

isLiquidGlassAvailable 函数允许你检查编译后的应用中是否可用 Liquid Glass 效果。它会验证系统和编译器版本，以及 Info.plist 设置。

🌐 The isLiquidGlassAvailable function let's you check, if the Liquid Glass effect is available in the compiled application. It validates the system and compiler versions, as well as the Info.plist settings.

import { isLiquidGlassAvailable } from 'expo-glass-effect';

export default function CheckLiquidGlass() {
  return (
    <Text>
      {isLiquidGlassAvailable()
        ? 'Liquid Glass effect is available'
        : 'Liquid Glass effect is not available'}
    </Text>
  );
}

`isGlassEffectAPIAvailable`

isGlassEffectAPIAvailable 函数用于检查设备在运行时是否可以使用 Liquid Glass API。

🌐 The isGlassEffectAPIAvailable function checks whether the Liquid Glass API is available at runtime on the device.

警告添加此 API 是因为某些 iOS 26 测试版没有可用的 Liquid Glass API，这可能导致崩溃。在你的应用中使用 GlassView 之前，你应先检查以确保兼容性。更多信息，请参见 GitHub issue #40911。

import { isGlassEffectAPIAvailable } from 'expo-glass-effect';

export default function CheckGlassEffectAPI() {
  return (
    <Text>
      {isGlassEffectAPIAvailable()
        ? 'Glass Effect API is available'
        : 'Glass Effect API is not available'}
    </Text>
  );
}

应用接口

🌐 API

import {
  GlassView,
  GlassContainer,
  isLiquidGlassAvailable,
  isGlassEffectAPIAvailable,
} from 'expo-glass-effect';

Components

`GlassContainer`

iOS

tvOS

Type: React.Element<GlassContainerProps>

GlassContainerProps

`ref`

iOS

tvOS

Optional • Type: Ref<View>

`spacing`

iOS

tvOS

Optional • Type: number • Default: undefined

The distance at which glass elements start affecting each other. Controls when glass elements begin to merge together.

Inherited Props

ViewProps

`GlassView`

iOS

tvOS

Type: React.Element<GlassViewProps>

GlassViewProps

`colorScheme`

iOS

tvOS

Optional • Type: GlassColorScheme • Default: 'auto'

The color scheme for the glass effect appearance. Use this to override the system appearance when your app has its own theme toggle.

`glassEffectStyle`

iOS

tvOS

Optional • Literal type: union • Default: 'regular'

Glass effect style to apply to the view. Can be a simple string ('clear', 'regular', 'none') or a config object for controlling animation behavior.

Acceptable values are: GlassStyle | GlassEffectStyleConfig

`isInteractive`

iOS

tvOS

Optional • Type: boolean • Default: false

Whether the glass effect should be interactive.

`ref`

iOS

tvOS

Optional • Type: Ref<View>

`tintColor`

iOS

tvOS

Optional • Type: string

Tint color to apply to the glass effect.

Inherited Props

ViewProps

Methods

`isGlassEffectAPIAvailable()`

iOS

Checks whether the Liquid Glass API is available at runtime on the device.

This method was added because some iOS 26 beta versions do not have this API available, which can lead to crashes. You should check this before using GlassView and GlassContainer in your app to ensure compatibility.

Returns:

boolean

See: https://github.com/expo/expo/issues/40911

`isLiquidGlassAvailable()`

iOS

tvOS

Indicates whether the app is using the Liquid Glass design. The value will be true when the Liquid Glass components are available in the app.

This only checks for component availability. The value may also be true if the user has enabled accessibility settings that limit the Liquid Glass effect. To check if the user has disabled the Liquid Glass effect via accessibility settings, use AccessibilityInfo.isReduceTransparencyEnabled().

Returns:

boolean

Types

`GlassColorScheme`

iOS

tvOS

Literal Type: string

Acceptable values are: 'auto' | 'light' | 'dark'

`GlassEffectStyleConfig`

iOS

tvOS

Property	Type	Description
animate(optional)	`boolean`	Whether to animate the style change. Default:`false`
animationDuration(optional)	`number`	Duration of the animation in seconds. Uses system default if not specified.
style	`GlassStyle`	The glass effect style to apply.

`GlassStyle`

iOS

tvOS

Literal Type: string

Acceptable values are: 'clear' | 'regular' | 'none'