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React Native 0.59, 0.60, and 0.61 polyfill for the Appearance API
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Polyfill for Appearance API to detect preferred color scheme (light/dark) in React Native 0.59, 0.60, and 0.61. The Appearance API will likely be available in react-native@>=0.62.


Installation instructions vary depending on whether you're using a managed Expo project or a bare React Native project.

Managed Expo project

This library is supported in Expo SDK 35+ (SDK 35 includes iOS support, SDK 36 and higher includes support for all platforms).

expo install react-native-appearance

Bare React Native project

yarn add react-native-appearance


After installing the package you need to link the native parts of the library for the platforms you are using. The easiest way to link the library is using the CLI tool by running this command from the root of your project:

react-native link react-native-appearance

If you can't or don't want to use the CLI tool, you can also manually link the library using the instructions below (click on the arrow to show them):

Manually link the library on iOS

Either follow the instructions in the React Native documentation to manually link the framework or link using Cocoapods by adding this to your Podfile:

pod 'react-native-appearance', :path => '../node_modules/react-native-appearance'
Manually link the library on Android
  1. Open up android/app/src/main/java/[...]/
  • Add import com.reactlibrary.RNCAppearancePackage; to the imports at the top of the file
  • Add new RNCAppearancePackage() to the list returned by the getPackages() method
  1. Append the following lines to android/settings.gradle:
include ':react-native-appearance'
project(':react-native-appearance').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-appearance/android')

  1. Insert the following lines inside the dependencies block in android/app/build.gradle:
implementation project(':react-native-appearance')


iOS configuration

In Expo managed projects, add ios.userInterfaceStyle to your app.json:

  "expo": {
    "ios": {
      "userInterfaceStyle": "automatic"

In bare React Native apps, you can configure supported styles with the UIUserInterfaceStyle key in your app Info.plist.

Android configuration

Add the uiMode flag in AndroidManifest.xml:


Implement the onConfigurationChanged method in

import android.content.Intent; // <--- import
import android.content.res.Configuration; // <--- import

public class MainActivity extends ReactActivity {

  // copy these lines
  public void onConfigurationChanged(Configuration newConfig) {
    Intent intent = new Intent("onConfigurationChanged");
    intent.putExtra("newConfig", newConfig);



First, you need to wrap your app in the AppearanceProvider. At the root of your app, do the following:

import { AppearanceProvider } from 'react-native-appearance';

export default () => (
    <App />

Now you can use Appearance and useColorScheme anywhere in your app.

import { Appearance, useColorScheme } from 'react-native-appearance';

 * Get the current color scheme

 * Subscribe to color scheme changes with a hook
function MyComponent() {
  const colorScheme = useColorScheme();
  if (colorScheme === 'dark') {
    // render some dark thing
  } else {
    // render some light thing

 * Subscribe to color scheme without a hook
const subscription = Appearance.addChangeListener(({ colorScheme }) => {
  // do something with color scheme

// Remove the subscription at some point


This was mostly written by Facebook for inclusion in React Native core. It is provided here as a separate module so people can opt-in to using it without updating entirely to the newest React Native version.

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