$ npm install react-native-check-accessibility --save

$ react-native link react-native-check-accessibility

1. In XCode, in the project navigator, right click Libraries ➜ Add Files to [your project's name]
2. Go to node_modules ➜ react-native-check-accessibility and add RNReactNativeCheckAccessibility.xcodeproj
3. In XCode, in the project navigator, select your project. Add libRNReactNativeCheckAccessibility.a to your project's Build Phases ➜ Link Binary With Libraries
4. Run your project (Cmd+R)<

1. Open up android/app/src/main/java/[...]/MainApplication.java

• Add import com.kentkart.checkaccessibility.RNReactNativeCheckAccessibilityPackage; to the imports at the top of the file
• Add new RNReactNativeCheckAccessibilityPackage() to the list returned by the getPackages() method

2. Append the following lines to android/settings.gradle:

   include ':react-native-check-accessibility'
   project(':react-native-check-accessibility').projectDir = new File(rootProject.projectDir, 	'../node_modules/react-native-check-accessibility/android')
   

3. Insert the following lines inside the dependencies block in android/app/build.gradle:

     compile project(':react-native-check-accessibility')
   

For Android:

// Checking if Voice Over on iOS or Talkback on Android is enabled

import RNReactNativeCheckAccessibility from 'react-native-check-accessibility';

RNReactNativeCheckAccessibility.isVoiceOverRunning().then(result => {
	if (result === "1") {
		... // Voice Over / Talkback Enabled
	}
})

// Checking if accessibility enabled on device

import RNReactNativeCheckAccessibility from 'react-native-check-accessibility';

RNReactNativeCheckAccessibility.isAccessibilityEnabled((result) => {
	if (result === '1') {
		... // Accessibility Enabled
	}
});

For iOS :

import RNReactNativeCheckAccessibility from 'react-native-check-accessibility';

if (RNReactNativeCheckAccessibility.isAccessibilityEnabled === '1') {
	... // Accessibility Enabled
}


// if you want to make a specific announcement (iOS & Android)

RNReactNativeCheckAccessibility.announce(announceText);