setTimeOut give me error about react-native-background-timer

[dadsteph]

This is my source code and is giving me the same error...Please help

import React, { Component } from 'react';
import {
AppRegistry,
StyleSheet,
Text,
View,
TouchableOpacity,
} from 'react-native';

import BackgroundTimer from 'react-native-background-timer';

class WorkerSampleApp extends Component {

render() {

return (
  <View style={styles.container}>
    <TouchableOpacity onPress={() => {

      // Start a timer that runs once after X milliseconds
      const timeoutId = BackgroundTimer.setTimeout(() => {
      	// this will be executed once after 10 seconds
      	// even when app is the the background
        	console.log('tac');

      }, 10000);

      // Cancel the timeout if necessary
      BackgroundTimer.clearTimeout(timeoutId);
      
    }}>
      <Text style={styles.welcome}>
        Send message
      </Text>
    </TouchableOpacity>
  </View>
);

}
}

const styles = StyleSheet.create({
container: {
flex: 1,
justifyContent: 'center',
alignItems: 'center',
backgroundColor: '#F5FCFF',
},
welcome: {
fontSize: 20,
textAlign: 'center',
margin: 10,
},
instructions: {
textAlign: 'center',
color: '#333333',
marginBottom: 5,
},
});

AppRegistry.registerComponent('WorkerSampleApp', () => WorkerSampleApp);

[ocetnik]

Should you paste here whole source code of file in which this error occurs, please?

[ocetnik]

Closing due to inactivity

[ocetnik]

Hey @dadsteph! You need to link the library. And if you use Expo, you need to eject your app before. I updated the Installation section in the readme.