FirebaseInstanceIdService is deprecated

Question

Hope all of you aware of this class  used to get notification token whenever firebase notification token got refreshed we get the refreshed token from this class  From following method    Override public void onTokenRefresh            Get updated InstanceID token      String refreshedToken   FirebaseInstanceId getInstance   getToken        Log d TAG   Refreshed token      refreshedToken       To use this as i want to implement FCM  I extended MyClass from FirebaseInstanceIdService  But  Showing that FirebaseInstanceIdService is deprecated  Does anybody know this   What method or class i should use instead of this to get refreshed token as this is deprecated   I m using   implementation  com google firebase firebase-messaging 17 1 0   I checked the document for same there is nothing mentioned about this    FCM SETUP DOCUMENT    UPDATE  This issue has been Fixed   As Google deprecated the FirebaseInstanceService   I asked the question to find the way and i get to know that We can get the Token from FirebaseMessagingService   As before  when i asked the Question Documents were not updated but Now Google docs updated so for more info  Refer this google doc   FirebaseMessagingService  OLD From   FirebaseInstanceService   Deprecated     Override public void onTokenRefresh            Get updated InstanceID token      String refreshedToken   FirebaseInstanceId getInstance   getToken        Log d TAG   Refreshed token      refreshedToken       NEW From   FirebaseMessagingService   Override public void onNewToken String s        super onNewToken s       Log d  NEW TOKEN  s       Thanks

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And this   FirebaseInstanceId getInstance   getInstanceId   getResult   getToken     suppose to be solution of deprecated   FirebaseInstanceId getInstance   getToken     EDIT  FirebaseInstanceId getInstance   getInstanceId   getResult   getToken   can produce exception if the task is not yet completed  so the method witch Nilesh Rathod described  with  addOnSuccessListener  is correct way to do it      Kotlin   FirebaseInstanceId getInstance   instanceId addOnSuccessListener this    instanceIdResult - gt          val newToken   instanceIdResult token         Log e  newToken   newToken

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In KOTLIN - If you want to save Token into DB or shared preferences then override onNewToken in FirebaseMessagingService  override fun onNewToken token  String            super onNewToken token          Get token at run-time use  FirebaseInstanceId getInstance   instanceId                          addOnSuccessListener this SplashActivity    instanceIdResult - gt                              val mToken   instanceIdResult token                             println  printing  fcm token   mToken

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firebaser here Check the reference documentation for FirebaseInstanceIdService   This class was deprecated  In favour of overriding onNewToken in FirebaseMessagingService  Once that has been implemented  this service can be safely removed   Weirdly enough the JavaDoc for FirebaseMessagingService doesn t mention the onNewToken method yet  It looks like not all updated documentation has been published yet  I ve filed an internal issue to get the updates to the reference docs published  and to get the samples in the guide updated too  In the meantime both the old deprecated calls  and the new ones should work  If you re having trouble with either  post the code and I ll have a look

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Update 11-12-2020 Now FirebaseInstanceId is also deprectaed Now we need to use FirebaseInstallations getInstance   getToken   and FirebaseMessaging getInstance   token SAMPLE CODE FirebaseInstallations getInstance   getToken true  addOnCompleteListener               firebaseToken   it result   token                       OR         FirebaseMessaging getInstance   token addOnCompleteListener               if it isComplete                   firebaseToken   it result toString                   Util printLog firebaseToken                                 Yes FirebaseInstanceIdService is deprecated  FROM DOCS  -  This class was deprecated  In favour of overriding onNewToken in FirebaseMessagingService  Once that has been implemented  this service can be safely removed   No need to use FirebaseInstanceIdService service to get FCM token You can safely remove FirebaseInstanceIdService service Now we need to  Override onNewToken  get Token in FirebaseMessagingService SAMPLE CODE public class MyFirebaseMessagingService extends FirebaseMessagingService         Override     public void onNewToken String s            Log e  quot NEW TOKEN quot   s               Override     public void onMessageReceived RemoteMessage remoteMessage             Map lt String  String gt  params   remoteMessage getData            JSONObject object   new JSONObject params           Log e  quot JSON OBJECT quot   object toString              String NOTIFICATION CHANNEL ID    quot Nilesh channel quot            long pattern      0  1000  500  1000            NotificationManager mNotificationManager                    NotificationManager  getSystemService Context NOTIFICATION SERVICE            if  Build VERSION SDK INT  gt   Build VERSION CODES O                NotificationChannel notificationChannel   new NotificationChannel NOTIFICATION CHANNEL ID   quot Your Notifications quot                       NotificationManager IMPORTANCE HIGH                notificationChannel setDescription  quot  quot                notificationChannel enableLights true               notificationChannel setLightColor Color RED               notificationChannel setVibrationPattern pattern               notificationChannel enableVibration true               mNotificationManager createNotificationChannel notificationChannel                         to diaplay notification in DND Mode         if  Build VERSION SDK INT  gt   Build VERSION CODES O                NotificationChannel channel   mNotificationManager getNotificationChannel NOTIFICATION CHANNEL ID               channel canBypassDnd                       NotificationCompat Builder notificationBuilder   new NotificationCompat Builder this  NOTIFICATION CHANNEL ID            notificationBuilder setAutoCancel true                   setColor ContextCompat getColor this  R color colorAccent                    setContentTitle getString R string app name                    setContentText remoteMessage getNotification   getBody                     setDefaults Notification DEFAULT ALL                   setWhen System currentTimeMillis                     setSmallIcon R drawable ic launcher background                   setAutoCancel true             mNotificationManager notify 1000  notificationBuilder build               EDIT  You need to register your FirebaseMessagingService in manifest file like this       lt service         android name  quot  MyFirebaseMessagingService quot          android stopWithTask  quot false quot  gt           lt intent-filter gt                            lt action android name  quot com google firebase MESSAGING EVENT quot    gt           lt  intent-filter gt       lt  service gt    how to get token in your activity   getToken    is also deprecated if you need to get token in your activity than Use getInstanceId     Now we need to use getInstanceId    to generate token getInstanceId    Returns the ID and automatically generated token for this Firebase project  This generates an Instance ID if it does not exist yet  which starts periodically sending information to the Firebase backend  Returns  Task which you can use to see the result via the InstanceIdResult which holds the ID and token   SAMPLE CODE FirebaseInstanceId getInstance   getInstanceId   addOnSuccessListener  MyActivity this   new OnSuccessListener lt InstanceIdResult gt            Override      public void onSuccess InstanceIdResult instanceIdResult               String newToken   instanceIdResult getToken               Log e  quot newToken quot  newToken                   EDIT 2 Here is the working code for kotlin class MyFirebaseMessagingService   FirebaseMessagingService          override fun onNewToken p0  String                 override fun onMessageReceived remoteMessage  RemoteMessage               val notificationManager   getSystemService Context NOTIFICATION SERVICE  as NotificationManager         val NOTIFICATION CHANNEL ID    quot Nilesh channel quot           if  Build VERSION SDK INT  gt   Build VERSION CODES O                val notificationChannel   NotificationChannel NOTIFICATION CHANNEL ID   quot Your Notifications quot   NotificationManager IMPORTANCE HIGH               notificationChannel description    quot Description quot              notificationChannel enableLights true              notificationChannel lightColor   Color RED             notificationChannel vibrationPattern   longArrayOf 0  1000  500  1000              notificationChannel enableVibration true              notificationManager createNotificationChannel notificationChannel                        to diaplay notification in DND Mode         if  Build VERSION SDK INT  gt   Build VERSION CODES O                val channel   notificationManager getNotificationChannel NOTIFICATION CHANNEL ID              channel canBypassDnd                      val notificationBuilder   NotificationCompat Builder this  NOTIFICATION CHANNEL ID           notificationBuilder setAutoCancel true                   setColor ContextCompat getColor this  R color colorAccent                    setContentTitle getString R string app name                    setContentText remoteMessage   getNotification     getBody                     setDefaults Notification DEFAULT ALL                   setWhen System currentTimeMillis                     setSmallIcon R drawable ic launcher background                   setAutoCancel true            notificationManager notify 1000  notificationBuilder build

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Kotlin allows for even simpler code than what s shown in other answers   To get the new token whenever it s refreshed   class MyFirebaseMessagingService  FirebaseMessagingService          override fun onNewToken token  String             Log d  FMS TOKEN   token                    To get the token from anywhere at runtime   FirebaseInstanceId getInstance   instanceId addOnSuccessListener       Log d  FMS TOKEN   it token

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And here the solution for C  Xamarin Android  var token   await FirebaseInstallations Instance GetToken forceRefresh  false  AsAsync lt InstallationTokenResult gt

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FCM implementation Class   public class MyFirebaseMessagingService extends FirebaseMessagingService    Override public void onMessageReceived RemoteMessage remoteMessage    Map lt String  String gt  data   remoteMessage getData    if data    null        Do something with Token            FirebaseInstanceId getInstance   getToken     Override public void onNewToken String token      super onNewToken token     if   token isEmpty        Log e  quot NEW TOKEN quot  token           And call its initialize in Activity or APP   FirebaseInstanceId getInstance   getInstanceId   addOnSuccessListener                  instanceIdResult - gt                        String newToken   instanceIdResult getToken                       addOnFailureListener new OnFailureListener                          Override                     public void onFailure  NonNull Exception e                            Log i  quot FireBaseToken quot    quot onFailure    quot    e toString                                                AndroidManifest xml      lt service android name  quot ir hamplus MyFirebaseMessagingService quot          android stopWithTask  quot false quot  gt           lt intent-filter gt               lt action android name  quot com google firebase MESSAGING EVENT quot    gt           lt  intent-filter gt       lt  service gt     If you added  quot INSTANCE ID EVENT quot  don t forget to disable it

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Simply call this method to get the Firebase Messaging Token public void getFirebaseMessagingToken               FirebaseMessaging getInstance    getToken                     addOnCompleteListener   task - gt                        if   task isSuccessful                                 Could not get FirebaseMessagingToken                         return                                            if  null    task getResult                                 Got FirebaseMessagingToken                         String firebaseMessagingToken   Objects requireNonNull   task getResult                                 Use firebaseMessagingToken further                                                   The above code works well after adding this dependency in build gradle file implementation  com google firebase firebase-messaging 21 0 0   Note  This is the code modification done for the above dependency to resolve deprecation   Working code as of 1st November 2020

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Use FirebaseMessaging instead  FirebaseMessaging getInstance   getToken        addOnCompleteListener new OnCompleteListener lt String gt               Override         public void onComplete  NonNull Task lt String gt  task              if   task isSuccessful                  Log w TAG   quot Fetching FCM registration token failed quot   task getException                 return                            Get new FCM registration token           String token   task getResult                  Log and toast           String msg   getString R string msg token fmt  token             Log d TAG  msg             Toast makeText MainActivity this  msg  Toast LENGTH SHORT  show

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Just Add This On build gradle  implementation  com google firebase firebase-messaging 20 2 3

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getInstance   getInstanceId   is also now deprecated and FirebaseMessaging is being used now  FirebaseMessaging getInstance   token addOnCompleteListener   task - gt      if  task isSuccessful            val token   task result       else           Timber e task exception

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For kotlin I use the following val fcmtoken   FirebaseMessaging getInstance   token await    and for the extension functions public suspend fun  lt T gt  Task lt T gt  await    T          fast path     if  isComplete            val e   exception         return if  e    null                if  isCanceled                    throw CancellationException  quot Task  this was cancelled normally  quot                 else                    Suppress  quot UNCHECKED CAST quot                   result as T                         else               throw e                      return suspendCancellableCoroutine   cont - gt          addOnCompleteListener               val e   exception             if  e    null                     Suppress  quot UNCHECKED CAST quot                   if  isCanceled  cont cancel   else cont resume result as T                else                   cont resumeWithException e

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You have to use  FirebaseMessagingService    instead of FirebaseInstanceIdService

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FirebaseinstanceIdService is deprecated   So have to use  FirebaseMessagingService   Sea the image please     public class MyFirebaseMessagingService extends FirebaseMessagingService         Override     public void onNewToken String s            super onNewToken s           Log e  NEW TOKEN  s               Override     public void onMessageReceived RemoteMessage remoteMessage            super onMessageReceived remoteMessage

[android] FirebaseInstanceIdService is deprecated

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