Develop Reference

send notification to ios and android using FCM Rest Api (New Versio)

I have a net core Back-End (3.1).
I created a page in which admin should enter title and description and pick a user to send a notification.
I want to send notification payload to Apple devices and not to an android device similar to a custom notification.
there is a platform-specific notification in Firebase Cloud Messaging documentation .
However, I was not able to implement it .

If you wanna only send the notification to Apple devices only. Then APNS Push notification push gateway will be suitable for you. See here
Certainly, FCM can also deal with this issue. You need to add the ApnsConfig to your request and send it to the FCM server.
If you cannot implement it, you need to mention more detail about your issue (trace log, exception info, etc.)

Can I receive mobile push notifications from SNS without a dedicated app?

I want to setup some maintenance related messages that would be dispatched to Slack and ideally some mobile users via push notifications (avoiding SMS if I can). I already handled Slack via some SNS + Lambda combo, and I'm tackling the Mobile push part.
I was somehow hoping I could just subscribe my phone number to some SNS channel but I guess its not so simple yet...
If my understanding is correct, it is not possible to receive push notifications without an App, since the Cloud-to-mobile-push service actually needs a client running on the device.
Actually, from what I can read on the internet it would seem most articles and documentations explain how to setup push notifications inside some application along with other features (and basically the push notifications is just one feature amongst the others), and that the push notification is not an end in itself.
However, I am just interested subscribing to push notifications as an end in itself (I don't need any other app feature).
What is the way to proceed in this case ? Are there some generic apps that are made for this and would let me subscribe to any mobile "push-list" ? Are there some kits that let one easily make an app just for the purpose of receiving push messages ? Is there maybe a builtin way in Android/iOS to subscribe to a push list without downloading a different app ?
EDIT : I am in the eu-central-1 region. I have some serviced in eu-west-1 (sending emails to SES) but otherwise all my servers and alarms are in eu-central-1

Is it mandatory to use GCM service to show push notification?

I am developing a Cordova app having a Java backend. I want to know if it's mandatory to use GCM service in order to show a push notification in Android/iOS (in notification tray)?
I am using Apache Kafka, MQTT brokers in my backend. Is it possible to show push notification using these solutions, i.e. using completely self defined solutions?
Using MQTT & other brokers I am able to send realtime data to users but how to show those message as native notification in notification bar is my problem.

Yes, you will need to use GCM to send push notifications to Android devices. You can even use GCM to send push notifications to iOS devices (GCM makes request to APNS (Apple push notification service) to make it work).
But GCM for iOS isnt trusted much.
You can use any backend to send push notification to your devices. You just need to make a request to GCM/APNS.
This is the cordova plugin for push notification.
Integrating with GCM is damn easy, but it takes a little effort with APNS.
Most people use third party paid services like Pushwoosh to implement their push backend because its convenient. There is a free alternative OneSignal but it tracks your usage.
Follow this guide to setup push for APNS. (You can just use the Setup certificate part from this guide, since you are not using C#)

To receive push you need use/implement GCM(and actually FCM, because of GCM deprecation)
To show notification from app it is unnecessary to implement GCM/FCM

Pushwoosh native push message handling

I'm using PushWoosh services for handling push notifications on my PhoneGap based app.
But i have a problem with handling native push messages.
If i send the push notification over PushWoosh API or Management Panel it comes to device like this:
{"title":"test message","collapse_key":"do_not_collapse","from":"400481817113","onStart":false,"foreground":true,"p":"["}
But if i send the push notification via Google Native Push Services with this payload:
{"title":"test title"}
It comes to device as:
{"message":"{\"title\":\"test title\"}","collapse_key":"do_not_collapse","from":"400481817113","onStart":false,"foreground":true}
So this cause the title not shown on the notification ğanel if i send the push message over Google Services.
Here's my question: How can resolve this? What is the best way to show title on notification panel with sending message via Google?
Edit:
I found the problem on myself :) My code was using json_encode as twice to encode the message. I remove one of them and the problem was
resolved.

How to send push notifications

I need to add the ability to send push notifications out to users who have our app installed (yet to go to market).
I guess I will need to install a phonegap plugin that will look for updates on our server (or could be triggered from our server) but I'm struggling to find a good approach.
I have seen this:
https://github.com/saileshmittal/phonegap-system-notification-plugin/tree/master/android-statusbar-notificaion
It allows phonegap to send a notification, but I don't know how I could send a remote message to the script to trigger a message.

C2DM is deprecated and GCM ( Google Cloud Messaging) is used to implement your push notifications for Android App.

In Android the technology of push notifications is called C2DM. Here is a tutorial for this.