我的设备未收到其他通知(FCM) [英] My device doesn't receive other notification (FCM)

问题描述

我迁移到Firebase Cloud Messaging，当初次尝试发送消息时，我使用Firebase中的控制台收到了一个通知，然后尝试在几分钟后发送另一个通知，但我不再收到另一个通知，但是在我的Firebase控制台中它说是Completed

更新

这是我的代码

MainActivity

public class MainActivity extends Activity {
 @Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

 checkPlayServices();

 Log.i(TAG, "InstanceID token: " + FirebaseInstanceId.getInstance().getToken());

}
....
}

MyFirebaseInstanceIDService

public class MyFirebaseInstanceIDService  extends FirebaseInstanceIdService {

@Override
public void onTokenRefresh() {
    // Get updated InstanceID token.
    String refreshedToken = FirebaseInstanceId.getInstance().getToken();
    Log.d(TAG, "Refreshed token: " + refreshedToken);

    sendRegistrationToServer(refreshedToken);
}
}

MyFirebaseMessagingService

public class MyFirebaseMessagingService  extends FirebaseMessagingService {

private static final String TAG = "MyFirebaseMsgService";


// [START receive_message]
@Override
public void onMessageReceived(RemoteMessage remoteMessage) {

    Log.d(TAG, "From: " + remoteMessage.getFrom());
    Log.d(TAG, "Notification Message Body: " + remoteMessage.getNotification().getBody());
}
// [END receive_message]

似乎其他设备收到了它，但其他设备没有收到它.

解决方案

由于AdamK的评论询问我是否在前台发送第二条通知，所以我发现仅当我的应用程序在后台时才触发通知.

在文档中，据说在onMessageReceived()中，如果应用程序位于前台，则同时处理onMessageReceived()中的数据和通知消息.因此，如果该应用程序位于前台，因此要执行此操作，请在您的onMessageReceived()回调中自行触发通知.

我在我的onMessageReceived()中调用自己的sendNotification()方法:

sendNotification(remoteMessage.getNotification().getBody());

即使应用程序位于前台，也会显示通知.

I migrated to Firebase Cloud Messaging and when first tried sending message I received a notification using the console in Firebase and then attempted to send another notification after a few minutes but i no longer receives another notification but in my firebase console it said that it was Completed

update

Here is my code

MainActivity

public class MainActivity extends Activity {
 @Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

 checkPlayServices();

 Log.i(TAG, "InstanceID token: " + FirebaseInstanceId.getInstance().getToken());

}
....
}

MyFirebaseInstanceIDService

public class MyFirebaseInstanceIDService  extends FirebaseInstanceIdService {

@Override
public void onTokenRefresh() {
    // Get updated InstanceID token.
    String refreshedToken = FirebaseInstanceId.getInstance().getToken();
    Log.d(TAG, "Refreshed token: " + refreshedToken);

    sendRegistrationToServer(refreshedToken);
}
}

MyFirebaseMessagingService

public class MyFirebaseMessagingService  extends FirebaseMessagingService {

private static final String TAG = "MyFirebaseMsgService";


// [START receive_message]
@Override
public void onMessageReceived(RemoteMessage remoteMessage) {

    Log.d(TAG, "From: " + remoteMessage.getFrom());
    Log.d(TAG, "Notification Message Body: " + remoteMessage.getNotification().getBody());
}
// [END receive_message]

it seems that other devices receives it but the other devices doesn't received it.

解决方案

Due to AdamK's comment asking if I send the second notification while in foreground, I found out that notification is only triggered when my app is in the background.

In the documentation it was said that in onMessageReceived(), If the application is in the foreground handle both data and notification messages in the onMessageReceived(). Therefore a notification will not be triggered automatically if the app is in foreground, so in order to do that, in your onMessageReceived() callback you need to trigger a notification yourself.

I call my own sendNotification() method inside my onMessageReceived():

sendNotification(remoteMessage.getNotification().getBody());

Which shows the notification even when the app is in the foreground.

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