I have been studying materials related to Web push notification from FCM Messenger. While I came across downstream message and upstream message, apparently HTTP server only allows downstream message while XMPP server allows upstream message.  I have...
I use the code below to obtain a token from firebase :  const messaging = firebase.messaging();  messaging.requestPermission()   .then(() =>{     return firebase.messaging().getToken();   }).then(token => {      saveTokentoServer(user.uid, toke...
I am trying to implement FCM push notification in my ReactJS application. It is working in chrome and firefox browser perfectly but facing in an issue in safari browser.     FirebaseError: Messaging: This browser doesn't support the API's req...
i am using firebase function for creating notifications with cloud messaging. But i am always getting this Error:  Function execution took 60006 ms, finished with status: 'timeout'   but the notification works.   This is the code i am using i...
I'm trying to send a notification to a user but for some reason i have an error. The error is "Function returned undefined, expected Promise or value".  I cant understand what does this line means, hope you guys can take a look at my code...
I'm trying to implement push notification with React Native and Firebase through this documentation.  I set up the settings I need by the tutorial.     import React, { Component } from 'react' import { View } from 'react-native' i...
I have tried to implement FCM for a week now into my ReactJS Webpack project. I am able to generate a service worker file, which if I am correct, contains the correct functions to receive firebase notifications from the cloud, but nothing happens. I...
Okey here is the deal, I have asked a couple of firebase related question already in Stackoverflow, and even without any answers I managed to get firebase working, and received a bunch of notifications. I really don't know what I did to make it w...
I am using this Cordova plugin for Firebase in FCM for my PhoneGap project, but I got no idea how I can implement the login, sign up, and log out so that I can send a push notification to a specific username when the user logs-in.  My idea is when th...

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