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對於通過我的應用程序發送FCM上游消息我跟着這個教程Sending Notifications with FirebaseFCM的Node.js服務器問題的Android
我的工作代碼如下:
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();
}
});
}
在運行這段代碼,我在接受RemoteMessage
我MyFirebaseMessagingService
的onMessageReceived
,但此消息返回空通知或數據。所以通知不會出現在應用程序中。這裏的任何機構能幫助我做什麼我錯了嗎?
你已經在使用火力管理員SDK所以爲什麼要去通過在調用admin.messaging()。sendToDevice()時從頭構建請求的麻煩? https://firebase.google.com/docs/cloud-messaging/admin/send-messages –
@FranciscoMateo感謝您的回覆。我做了很多搜索,發送設備到firbase的設備消息,但從未回覆你的建議。我一定會爲此而更新我的問題。 –