Expo LinearGradient iconExpo LinearGradient

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A universal React component that renders a gradient view.

Android
iOS
tvOS
Web

expo-linear-gradient provides a native React view that transitions between multiple colors in a linear direction.

Installation

Terminal
npx expo install expo-linear-gradient

If you are installing this in an existing React Native app, start by installing expo in your project. Then, follow the additional instructions as mentioned by the library's README under "Installation in bare React Native projects" section.

Usage

Linear Gradient
import { StyleSheet, Text, View } from 'react-native';
import { LinearGradient } from 'expo-linear-gradient';

export default function App() {
  return (
    <View style={styles.container}>
      <LinearGradient
        // Background Linear Gradient
        colors={['rgba(0,0,0,0.8)', 'transparent']}
        style={styles.background}
      />
      <LinearGradient
        // Button Linear Gradient
        colors={['#4c669f', '#3b5998', '#192f6a']}
        style={styles.button}>
        <Text style={styles.text}>Sign in with Facebook</Text>
      </LinearGradient>
    </View>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    alignItems: 'center',
    justifyContent: 'center',
    backgroundColor: 'orange',
  },
  background: {
    position: 'absolute',
    left: 0,
    right: 0,
    top: 0,
    height: 300,
  },
  button: {
    padding: 15,
    alignItems: 'center',
    borderRadius: 5,
  },
  text: {
    backgroundColor: 'transparent',
    fontSize: 15,
    color: '#fff',
  },
});

API

import { LinearGradient } from 'expo-linear-gradient';

Component

LinearGradient

Type: React.Component<LinearGradientProps>

Renders a native view that transitions between multiple colors in a linear direction.

colors

Type: readonly

A readonly array of colors that represent stops in the gradient. At least two colors are required (for a single-color background, use the style.backgroundColor prop on a View component).

Only for:
Android

dither

Optional • Type: boolean • Default: true

Enables or disables paint dithering. Dithering can reduce the gradient color banding issue. Setting false may improve gradient rendering performance.

end

Optional • Type: LinearGradientPoint | null

For example, { x: 0.1, y: 0.2 } means that the gradient will end 10% from the left and 20% from the bottom.

On web, this only changes the angle of the gradient because CSS gradients don't support changing the end position.

locations

Optional • Type: readonly | null • Default: []

A readonly array that contains numbers ranging from 0 to 1, inclusive, and is the same length as the colors property. Each number indicates a color-stop location where each respective color should be located. If not specified, the colors will be distributed evenly across the gradient.

For example, [0.5, 0.8] would render:

  • the first color, solid, from the beginning of the gradient view to 50% through (the middle);
  • a gradient from the first color to the second from the 50% point to the 80% point; and
  • the second color, solid, from the 80% point to the end of the gradient view.

The color-stop locations must be ascending from least to greatest.

start

Optional • Type: LinearGradientPoint | null

For example, { x: 0.1, y: 0.2 } means that the gradient will start 10% from the left and 20% from the top.

On web, this only changes the angle of the gradient because CSS gradients don't support changing the starting position.

Inherited Props

Types

LinearGradientPoint

An object { x: number; y: number } or array [x, y] that represents the point at which the gradient starts or ends, as a fraction of the overall size of the gradient ranging from 0 to 1, inclusive.

Type: NativeLinearGradientPoint or object shaped as below:


NameTypeDescription
xnumber

A number ranging from 0 to 1, representing the position of gradient transformation.

ynumber

A number ranging from 0 to 1, representing the position of gradient transformation.