Firebase Message

package com.example.esihat_application;

import android.app.Notification;
import android.app.NotificationChannel;
import android.app.NotificationManager;

import androidx.annotation.NonNull;
import androidx.core.app.NotificationManagerCompat;

import com.google.firebase.messaging.FirebaseMessagingService;
import com.google.firebase.messaging.RemoteMessage;

public class PushNotificationService extends FirebaseMessagingService {
    @Override
    public void onMessageReceived(@NonNull RemoteMessage message) {
        super.onMessageReceived(message);
        String title = message.getNotification().getTitle();
        String body = message.getNotification().getBody();
        final String CHANNEL_ID = "HEADS_UP_NOTIFICATIONS";
        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
            NotificationChannel channel = new NotificationChannel(CHANNEL_ID, "MyNotification", NotificationManager.IMPORTANCE_HIGH);
            getSystemService(NotificationManager.class).createNotificationChannel(channel);
            Notification.Builder notification = new Notification.Builder(this, CHANNEL_ID)
                    .setContentTitle(title)
                    .setContentText(body)
                    .setSmallIcon(R.drawable.upload)
                    .setAutoCancel(true);
            NotificationManagerCompat.from(this).notify(1, notification.build());
        }
    }
}






























<service android:name=".PushNotificationService"
            android:exported="false">
            <intent-filter>
                <action android:name="com.google.firebase.MESSAGING_EVENT"></action>
            </intent-filter>

        </service>