App.js

/**
 * Sample React Native App
 * https://github.com/facebook/react-native
 *
 * @format
 * @flow strict-local
 */
//import PushNotificationIOS from "@react-native-community/push-notification-ios";
import PushNotification from "react-native-push-notification";
import Firebase from "@react-native-firebase/app";
import React, {useEffect} from 'react';
import messaging from '@react-native-firebase/messaging';
import {
  SafeAreaView,
  StyleSheet,
  ScrollView,
  View,
  Text,
  StatusBar,
} from 'react-native';

import {
  Header,
  LearnMoreLinks,
  Colors,
  DebugInstructions,
  ReloadInstructions,
} from 'react-native/Libraries/NewAppScreen';

const App = () => {
  useEffect (()=> {
    Firebase.initializeApp(this)
    // Must be outside of any component LifeCycle (such as `componentDidMount`).
PushNotification.configure({
  // (optional) Called when Token is generated (iOS and Android)
  onRegister: function (token) {
    console.log("TOKEN:", token);
  },

  // (required) Called when a remote is received or opened, or local notification is opened
  onNotification: function (notification) {
    console.log("NOTIFICATION:", notification);

    // process the notification

    // (required) Called when a remote is received or opened, or local notification is opened
    //notification.finish(PushNotificationIOS.FetchResult.NoData);
    const unsubscribe = messaging().onMessage(async (remoteMessage) => {
      PushNotification.localNotification({
        message: remoteMessage.notification.body,
        title: remoteMessage.notification.title,
        bigPictureUrl: remoteMessage.notification.android.imageUrl,
        smallIcon: remoteMessage.notification.android.imageUrl,
      });
    });
    return unsubscribe;
    
  },

  // (optional) Called when Registered Action is pressed and invokeApp is false, if true onNotification will be called (Android)
  onAction: function (notification) {
    console.log("ACTION:", notification.action);
    console.log("NOTIFICATION:", notification);

    // process the action
  },

  // (optional) Called when the user fails to register for remote notifications. Typically occurs when APNS is having issues, or the device is a simulator. (iOS)
  onRegistrationError: function(err) {
    console.error(err.message, err);
  },

  // IOS ONLY (optional): default: all - Permissions to register.
  permissions: {
    alert: true,
    badge: true,
    sound: true,
  },

  // Should the initial notification be popped automatically
  // default: true
  popInitialNotification: true,

  /**
   * (optional) default: true
   * - Specified if permissions (ios) and token (android and ios) will requested or not,
   * - if not, you must call PushNotificationsHandler.requestPermissions() later
   * - if you are not using remote notification or do not have Firebase installed, use this:
   *     requestPermissions: Platform.OS === 'ios'
   */
  requestPermissions: true,
});
  }, [])
  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;