App.js

/**
 * Sample React Native App
 * https://github.com/facebook/react-native
 *
 * @format
 * @flow
 */

import React from 'react';
import {
  SafeAreaView,
  StyleSheet,
  ScrollView,
  View,
  Text,
  StatusBar,
  NativeModules,
  NativeEventEmitter,
} from 'react-native';

import {
  Header,
  LearnMoreLinks,
  Colors,
  DebugInstructions,
  ReloadInstructions,
} from 'react-native/Libraries/NewAppScreen';
import Notifications from './src/Notifications'
class App extends React.Component{
  componentDidMount(){
    Notifications.getDeviceId(id=>{
      console.log('id ',id)
      Notifications.onMessageReceived(msg=>{
        console.log(msg)
      })
      Notifications.getLastNotificationData(data=>{
        console.log(data)
      },err=>{
        console.log(err)
      })
    })

  }
  
  render(){
    return (
      <>
        <StatusBar barStyle="dark-content" />
        <SafeAreaView>
          <ScrollView
            contentInsetAdjustmentBehavior="automatic"
            style={styles.scrollView}>
            <Header />
            {global.HermesInternal == null ? null : (
              <View style={styles.engine}>
                <Text style={styles.footer}>Engine: Hermes</Text>
              </View>
            )}
            <View style={styles.body}>
              <View style={styles.sectionContainer}>
                <Text style={styles.sectionTitle}>Step One</Text>
                <Text style={styles.sectionDescription}>
                  Edit <Text style={styles.highlight}>App.js</Text> to change this
                  screen and then come back to see your edits.
                </Text>
              </View>
              <View style={styles.sectionContainer}>
                <Text style={styles.sectionTitle}>See Your Changes</Text>
                <Text style={styles.sectionDescription}>
                  <ReloadInstructions />
                </Text>
              </View>
              <View style={styles.sectionContainer}>
                <Text style={styles.sectionTitle}>Debug</Text>
                <Text style={styles.sectionDescription}>
                  <DebugInstructions />
                </Text>
              </View>
              <View style={styles.sectionContainer}>
                <Text style={styles.sectionTitle}>Learn More</Text>
                <Text style={styles.sectionDescription}>
                  Read the docs to discover what to do next:
                </Text>
              </View>
              <LearnMoreLinks />
            </View>
          </ScrollView>
        </SafeAreaView>
      </>
    );
  }
}

const styles = StyleSheet.create({
  scrollView: {
    backgroundColor: Colors.lighter,
  },
  engine: {
    position: 'absolute',
    right: 0,
  },
  body: {
    backgroundColor: Colors.white,
  },
  sectionContainer: {
    marginTop: 32,
    paddingHorizontal: 24,
  },
  sectionTitle: {
    fontSize: 24,
    fontWeight: '600',
    color: Colors.black,
  },
  sectionDescription: {
    marginTop: 8,
    fontSize: 18,
    fontWeight: '400',
    color: Colors.dark,
  },
  highlight: {
    fontWeight: '700',
  },
  footer: {
    color: Colors.dark,
    fontSize: 12,
    fontWeight: '600',
    padding: 4,
    paddingRight: 12,
    textAlign: 'right',
  },
});

export default App;