从 php web 应用程序发送推送通知以响应本机应用程序

Question

I am having a php(CI) web app as a backend and react native as front.I want to send push notification to the react native app whenever, the admin will perform any action in backend the front should get the notification. I have used firebase and implemeted local notification in front(RN) and working fine but I want do it remotely from backend.

How can I achieve this? any refferences will be helpfull I have spent almost a week and not get any appropriate solution.

Answer 1

You need to use Firebase Cloud Messaging (FCM) in order to send notification to your app from backend.

For backend you can send request to FCM using CURL, you can see some examples of code here How can I send a Firebase Cloud Messaging notification without use the Firebase Console? .

In order to get notification sent from backend in app frontend you need again to use FCM api for react-native. Here's documentation for that https://rnfirebase.io/messaging/usage .

You need to subscribe to messaging().onMessage service and then read your messages from there. Simple example will looks like (you can find that in rnfirebase docs)

import React, { useEffect } from 'react';
import { Alert } from 'react-native';
import messaging from '@react-native-firebase/messaging';

function App() {
  useEffect(() => {
    const unsubscribe = messaging().onMessage(async remoteMessage => {
      Alert.alert('A new FCM message arrived!', JSON.stringify(remoteMessage));
    });

    return unsubscribe;
  }, []);
}