send push notification in android using node js?

send push notification in android ?
send push notification in android using node-gcm ?


save below code pushnotification.js

run code with this command

node pushnotification.js

register your token using  /register api call

open http://localhost:3000

send push notification
http://localhost:3000/push  (open in browser)

var express = require('express');

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





var app = express();





var bodyParser = require('body-parser');

app.use(bodyParser.json());

app.use(bodyParser.urlencoded());





var server = app.listen(3000, function() {

  var host = server.address().address;

  var port = server.address().port;

  console.log('Example app listening at http://%s:%s', host, port)

});



var device_token= " ";





// your device token like :

 //APA91bEnA2xyEmfyhWr2OKlAalBO95vo0tVWjSs5r7nk6A8TBW7wqfFGURWjp4LIVh7HfM7/

// W-kaw3mAd_c0I3rwkOurQ1pYB6UtPsfNTEGzjQaQ









app.use(function(req, res, next){

  res.header("Access-Control-Allow-Origin", "*");

  res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");

  next();

});





app.post('/register', function(req, res){



    device_token = req.body.device_token;

    console.log('device token received');

    console.log(device_token);

    res.send('ok');

});



app.get('/push', function(req, res){



    var device_tokens = [];

    var message = new gcm.Message();

    var sender = new gcm.Sender(' your sender Key');



  //sender Key Like :  AIzaSyCu_w--TOdrwU



    message.addData('title', 'New Message');

    message.addData('message', 'Hello this is a push notification');

    message.addData('sound', 'notification');



    message.collapseKey = 'testing';

    message.delayWhileIdle = true;

    message.timeToLive = 3;



    console.log('sending to: ' + device_token);



    device_tokens.push(device_token);



    sender.send(message, device_tokens, 4, function(result){

        console.log(result);

        console.log('push sent to: ' + device_token);

    });



    res.send('ok');

});