firebase-cloud-messaging

问题 I have an application which is already built. Now I want to use FCM to send messages between server and users. As I understand each device has its own token which I can use to send message, and this token can be retrieved from FirebaseInstanceId.getInstance().getInstanceId() Correct me If I am wrong. The application and backed server works fine and bellow my workflow 1- User open the android app. 2- Android app take the user token ID for authentication and device token for messageing and send

问题 I have an application which is already built. Now I want to use FCM to send messages between server and users. As I understand each device has its own token which I can use to send message, and this token can be retrieved from FirebaseInstanceId.getInstance().getInstanceId() Correct me If I am wrong. The application and backed server works fine and bellow my workflow 1- User open the android app. 2- Android app take the user token ID for authentication and device token for messageing and send

问题 I want to use notification when app pause mode(foreground) and app kill (background), Only notification working on when the app opens (app running). I used this on Flutter project. enable Background Mode(Background fetch, Remote notifications) and push notification @UIApplicationMain @objc class AppDelegate: FlutterAppDelegate { override func application( _ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? ) -> Bool { Messaging

问题 I want to use notification when app pause mode(foreground) and app kill (background), Only notification working on when the app opens (app running). I used this on Flutter project. enable Background Mode(Background fetch, Remote notifications) and push notification @UIApplicationMain @objc class AppDelegate: FlutterAppDelegate { override func application( _ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? ) -> Bool { Messaging

问题 I'm developing a Ionic 5 app both for Android and iOS. I'm using angularfire https://github.com/angular/angularfire/tree/v5 and I'm having some issues. In particular, this library works good when using Firestore, but when I try to use Cloud Messaging to receive notifications on my Android device, it raises an error: FirebaseError: Messaging: This browser doesn't support the API's required to use the firebase SDK. (messaging/unsupported-browser) . I followed the tutorial available on the

问题 I'm new to android and now looking on firebase.In my app multiple mobile numbers can be logged in. So what am doing is deleting current token by FirebaseInstanceId.getInstance().deleteInstanceId(); and after that when I log in with new number, then new token gets generated. So my question in this exactly which event triggers token regeneration event. One more thing that above code line should I have to run on thread (other than MAIN THREAD) to work 回答1: This is the service which I used for

问题 I developing an iOS application that integrates with Firebase to deliver remote push notifications. The application includes a login feature, and sending a notification using the FCM token sends it even though the user is not logged-in, and I get why that happened because the FCM token is an app-device combination not an app-user combination. But is there a workaround to guarantee that the notification is only delivered when the user is logged-in? 回答1: Push notification are not linked with

问题 I am really rookie and need an advice. I have read documentation, and as far as i understood if you need send direct message, follow next steps: Make authentification, eventually you get Firebase TokenId and userId Send them to your server side and store it in DB When you are going to send a message you need create json and put inside topic text and resipent userId so on... Send this json via HTTP to your server side When server retrive this json , it should use Firebase API to create new

问题 I am really rookie and need an advice. I have read documentation, and as far as i understood if you need send direct message, follow next steps: Make authentification, eventually you get Firebase TokenId and userId Send them to your server side and store it in DB When you are going to send a message you need create json and put inside topic text and resipent userId so on... Send this json via HTTP to your server side When server retrive this json , it should use Firebase API to create new

问题 So, I need to refresh my token each time it expires, but the service runing behind ddoes not trigger onNewToken() Manifest <service android:name=".fcm.MyFirebaseMessagingService" android:exported="false"> <intent-filter> <action android:name="com.google.firebase.MESSAGING_EVENT" /> </intent-filter> </service> Code class MyFirebaseMessagingService: FirebaseMessagingService() { override fun onNewToken(token: String) { super.onNewToken(token) val currentUser = FirebaseAuth.getInstance()