index.js

/**
 * @format
 */
import {AppRegistry} from 'react-native';
import App from './App';
import {name as appName} from './app.json';
import PushNotification from 'react-native-push-notification';
import { Platform } from 'react-native';
 
AppRegistry.registerComponent(appName, () => App);
 
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);
    },
    // 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
    */
    requestPermissions: Platform.OS === 'ios',
    requestPermissions: true,
  });