I am using Firebase Cloud Messaging for my android development with PHP as server side language. Right now, i'm able to :
Receive push notification sending using Firebase Console either both real apps and emulator.
Got it working when testing it out from terminal(curl)
So then, i tried sending from apps server(using php curl) instead of Firebase Console. And right now, encountered this weird message InvalidTokenFormat, Error 400 every time i'm request the POST request. Any thought?
Here is the link for Firebase Api were made : FirebaseApi Class
Feel free to ask for any inputs from meif above use case didn't clear enough. Thanks.
My mistake. The url should be(without slash at the end) :
https://fcm.googleapis.com/fcm/send
you need to send request to the firebase from your server with message of the notification and the token of the users then firebase will accept the request and broadcast the message to all the users (tokens that we provide) in form of a notification .
Firebase and device works on poll model, hence only firebase can send notification on your device , you can setup your poll with the device but google does not allow that because if each and every app starts to make a poll tunnel with the device , it will take up whole lot of resources.
Can you Post the raw request curl sends to the server? Normally curl does provide a printout for that, not sure about the php version.
CURLOPT_POSTFIELDS does not want a JSON. if you want to send a application/x-www-form-urlencoded request, use http_build_query($message) , or if you want to send a multipart/form-data request, give it the $message array directly.
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I have created a small App that's able to receive Push Notifications from the FCM Console.
What i want to do now is to send a Push-Notifications to all Android Phones that got the app Installed using the API. And this is where i got completely lost.
Is there no way to send it to all Phones without collecting all the registration-ids?
Does this only work with the Console but not with the API?
thanx in advance
Sending a message to all the phones like what you do from the Firebase Web Console is only possible from the Web Console.
If you need this feature from the API you can submit a feature request:
https://firebase.google.com/support/contact/bugs-features/
Another possibility is to have all the client registering to a specific topic via FirebaseMessaging.getInstance().subscribeToTopic(topicName)
In this way you can send a message to the whole topic without collecting the registration-ids manually.
I have to send notification from server to android device. I developed application which got notification from server by using GCM (Google Cloud Messaging). But as I already have server then why to use GCM. I am not getting the purpose of using GCM. Can we send notification from server to android application without using GCM.
General Communication Pattern :
Device --> HTTPRequest -- >Server , Server -->HTTPResponse --> Device
But in this case, the device gets a response only when you send a request from your device to the server. Hence, whenever you need something new from your server you need to make a
request.
Using GCM, you do not need to make this request explicitly to your server. You'll automatically be notified when something new happens (depending on your implementation).
You are having server but GCM is totally different thing then your server.
GCM will monitor Your Application server that any changes made or not ??
And if anything created then it will send you notification without refresh or reload the Application.
and GCM will send you notification when your application is not working as well
I am trying to implement Push Notification using GCM,
Besically i am trying to send Notification to the GCM using my PHP server which will deliver it to my android application.
I have used code at androidhive!
The device is getting registered successfully but i am not receiving any notification at my device nor anything is visible at Google console.
I am not receiving any response from the link used https://android.googleapis.com/gcm/send or https://android.googleapis.com
Is there anything wrong in this approach?
Can anyone suggest me any authentic source for this?
Realizing that some people are facing issues implementing GCM. I have decided to post solution.
The example on AndroidHive is working perfectly. Its just the matter of correct configuration.
Replace project ID in Android app. (You can get project ID from you google's console link i.e google.com/apis/console/#project:xxxxxxxxxxxx:access)
Replace Server API Key on PHP Server(config.php)
Key for server apps (with IP locking).
You can get your IP from WhatIsMyIP.
Key for browser apps (with referers) will not work.
I'm trying to make a notification system between a PHP server and an iOS device, just like in the Facebook App.
I already know how to make a PHP request via GET or POST and wait for a response. But I would like to receive server's responses without any request, is it possible? Or should I make a request every x seconds?
Look into Apple Push Notification Service (APNS). You send a message to the APNS server, and the server sends a notification to the device(s) you specified. This is standard practice for apps like Facebook.
When the device receives a notification, it sends it to the app (if the app is running) or alerts the user (if it's not). The user can choose to start the app, at which point the notification is delivered. The app can then respond by contacting your server to update its information or whatever.
I'm trying to write the server side of my android app that uses C2DM. I'm going to write it in php. I basically am just doing tests right now. I copied the chrome to phone example for the actual android app and modified it to my liking. Right now my biggest question is the registration.
Let me get everything straightened out.
When registering the device for the first time, the app talks directly to my server. The server grabs the deviceid and responds back with a 200. Right?
So, on the php side of things, I grab the device id like $deviceid = $_POST['deviceId'] Right?
add it to my database. then respond back to the app.. How exactly do I send a particular response back? I assume in the header? I'm unsure how to do that.
Please confirm or deny that I'm on the right track and clear up any confusion.
Thanks for the help.
You don't respond back to the app. You must register your server with google's servers to get a server authentication token. You then use that server token and the device token in a post request to google's C2DM service to have google's servers send a push notification to the phone. Your app and your server never directly communicate when a push notification is sent in C2DM, it is all done through google, yet you need to implement a mechanism for your server to know the device id of the device it wants to send a message to.
This is a pretty detailed guide, though the server code is in Java:
www.vogella.de/articles/AndroidCloudToDeviceMessaging/article.html
Make sure you have really gotten the IDs before sending to the server. If you are using an emulator for testing, you could do an echo over at the php script so the message will appear in your logcat.
Google refreshes expired registration IDs so your application should be able to pick up new notifications/ids from google and handle the message by sending to the database.