IOS

Initial React Native App

1	$ react-native init rn_notification

Install

1 2	$ yarn add @react-native-firebase/app @react-native-firebase/messaging $ cd ios && pod install && cd ..

Firebase

Download GoogleService-Info.plist

podFile

require_relative '../node_modules/react-native/scripts/react_native_pods'
require_relative '../node_modules/@react-native-community/cli-platform-ios/native_modules'

$FirebaseSDKVersion = '6.29.0'
... other settings

AppDelegate.m

...import
#import <Firebase.h>
... others settings

index.js

import {AppRegistry} from 'react-native';
import App from './App';
import {name as appName} from './app.json';
import messaging from '@react-native-firebase/messaging';

async function requestUserPermission() {
  try {
    const messageinstance = messaging();
    const authStatus = await messageinstance.requestPermission();
    const enabled =
      authStatus === messaging.AuthorizationStatus.AUTHORIZED ||
      authStatus === messaging.AuthorizationStatus.PROVISIONAL;
  
    if (enabled) {
      await messageinstance.registerDeviceForRemoteMessages();
      const token = await messageinstance.getToken();
      console.log('token:', token);
    }
  } catch(error) {
  console.log("requestUserPermission -> error", error)
  }
}

requestUserPermission();
AppRegistry.registerComponent(appName, () => App);