[英]Android throws FileNotFoundException for the Node.js server
[英]FCM Node.js server issue android
为了通过我的应用程序发送FCM上游消息,我遵循了本教程使用Firebase发送通知的操作
我的工作代码如下:
var firebase = require('firebase-admin');
var request = require('request');
const functions = require('firebase-functions');
firebase.initializeApp(functions.config().firebase);
var API_KEY = "my api key"; // Your Firebase Cloud Messaging Server API key
// Fetch the service account key JSON file contents
//var serviceAccount = require("serviceAccountKey.json");
// Initialize the app with a service account, granting admin privileges
//firebase.initializeApp({
// credential: firebase.credential.cert(serviceAccount),
// databaseURL: "https://-----.firebaseio.com"
//});
exports.listenForNotificationRequests = functions.database.ref('/notificationRequests')
.onWrite(event => {
const request = event.data.val();
sendNotificationToUser(
request.username,
request.message,
function() {
console.error("success");
}
);
});
function sendNotificationToUser(username, message, onSuccess) {
request({
url: 'https://fcm.googleapis.com/fcm/send',
method: 'POST',
headers: {
'Content-Type' :' application/json',
'Authorization': 'key='+API_KEY
},
body: JSON.stringify({
notification: {
title: message, //title of notification
body: message
},
to : usertoken //a static registered user token
})
}, function(error, response, body) {
if (error) { console.error(error); }
else if (response.statusCode >= 400) {
console.error('HTTP Error: '+response.statusCode+' - '+response.statusMessage);
}
else {
onSuccess();
}
});
}
运行此代码后,我在MyFirebaseMessagingService
的onMessageReceived
接收到RemoteMessage
,但是此消息返回空通知或数据。 因此通知不会出现在应用程序中。 这里有人可以帮助我做错什么吗?
这是我模块中的运行代码
var request = require('request');
var sendMsgToGroup = function(deviceId, message) {
request({
url: 'https://fcm.googleapis.com/fcm/send',
method: 'POST',
headers: {
'Content-Type': ' application/json',
'Authorization': 'key=<YOUR API KEY>'
},
body: JSON.stringify({
notification: {
title: message,
body: 'Testing Notificaiton'
},
"to": deviceId
})
}, function(error, response, body) {
if (error)
console.log(error);
else if (response.statusCode >= 400)
console.log("HTTP Error" + response.statusCode + "-" +
response.statusCode + "\n" + body);
else
console.log(body);
});
};
module.exports.sendMessageToGroup = sendMsgToGroup;
您可以像这样调用此函数
var FCM = require('./FCM/fcm_config.js');
FCM.sendMessageToGroup("<Device Token Number>", 'testing');
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