Data vs Display notifications

[0x62]

In this SO post they discuss the difference between data and display messages (the main difference being data messages trigger the onMessageReceived() callback even if your app is in foreground/background/killed).

I've been trying to use this library (through node-pushnotifications) but it appears the messages are being sent as display notifications. How do I change the type to data so the callback will be triggered even if the app is in the background?

[eladnava]

Hi @0x62, Using this sample code only a data payload is sent and not a notification display payload:

var gcm = require('node-gcm');

// Set up the sender with your GCM/FCM API key (declare this once for multiple messages)
var sender = new gcm.Sender('YOUR_API_KEY_HERE');

// Prepare a message to be sent
var message = new gcm.Message({
    data: { key1: 'msg1' }
});

// Specify which registration IDs to deliver the message to
var regTokens = ['YOUR_REG_TOKEN_HERE'];

// Actually send the message
sender.send(message, { registrationTokens: regTokens }, function (err, response) {
	if (err) console.error(err);
	else console.log(response);
});