Android Question Send push messages to App from HTML page

[Cesaral]

I have run and tested the Firebase example shown in the Firebase tutorial:

https://www.b4x.com/android/forum/threads/integrating-firebase-services.67692/


I have been able to send messages to the Firebase App example, from the B4J example provided by Erel here:

https://www.b4x.com/android/forum/t...-messages-firebase-cloud-messaging-fcm.67716/


How could I now send messages from a HTML page to the App with Firebase receiver? Is there any example? I can´t find one.

Thanks!

 

[Erel]

You need to send an http request to Firebase server. I'm not sure what you mean with a "html page". It shouldn't be difficult to create a web server with B4J that makes such requests.

 

[Cesaral]

You need to send an http request to Firebase server. I'm not sure what you mean with a "html page". It shouldn't be difficult to create a web server with B4J that makes such requests.

I basically want to send data remotely from a web browser to an Android App, having the Google Firebase server in the middle, and no more servers in between.

I have seen these sources to see how to do it:

Build app server send requests | Firebase Cloud Messaging

firebase.google.com

How to send FCM notification to app from web

I am developing chat app which is based on Firebase Database and Storage. Everything is working fine, but now I need implementation of FCM to receive notification on app when app is in background or

stackoverflow.com

How to send push notifications using firebase cloud messaging with PHP? - Devnote

How to send push notifications using firebase cloud messaging with PHP. You know, GCM(Google Cloud Messaging) for sending the push notification to Android devices, but Google has been launched FCM(Firebase Cloud Messaging).

devnote.in

Send PUSH notification using Google FCM and PHP - The Debuggers

Learn how to send Cross Platform (Android/iOS) Push Notification using Firebase Cloud messaging (Google FCM) with PHP in easy steps.

thedebuggers.com

Send FCM Notifications Using Postman

The Code Hubs started from the idea that there exists a group of developers who respond more suited to online content and prefer to learn new techniques at their pace from the comforts of their drawing rooms.

www.thecodehubs.com

I guess that a PHP will solve it, but may be there is already an example in this forum that I could use as a template.

Thanks!

 

[Erel]

No reason to post all these links.

As I wrote, it is very simple to build such web server with B4J, though if you have any other ready solution then use it.

 

[peacemaker]

no more servers in between

PHP-script or B4J-server-app is a "server in between" anyway. Just different server technologies.

 

[Cesaral]

I solved this with this PHP code:

<?php
function push_notification_php($titulo, $cuerpo) {

    $url = 'https://fcm.googleapis.com/fcm/send';

    /* authorization_key */
    $authorization_key = 'place here yours';

    $fields = array(
          'to'=>'/topics/general',
          'priority'=>'high',
          'data'=>array(
                    'title'=>$titulo,
                    'body'=> $cuerpo
                    )
        );

    $fields = json_encode($fields);


    $headers = array (
            'Content-Type: application/json',
            'Authorization:key=' . $authorization_key
            );

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $fields);

    $result = curl_exec($ch);
    
    curl_close($ch);

    if (strpos($result, 'message_id') !== FALSE) {
        return true;
        }
    else {
        return false;
        }

}

?>

Now...for some notifications that the App receives, I would need the App to answer the server running the PHP. Any clue about how to do this?

Thanks!

 

[peacemaker]

need the App to answer the server running the PHP. Any clue about how to do this?

It's already another topic.
Be ready to make PHP-script to receive GET or POST request from your App, answering by HTTPJOB.