Google Firebase Cloud Messaging In Android

This android FCM Notifcation tutorial I will be using Firebase. We will also use google Firebase server and database. we will show how to send a notification in your application.

Android Tutorialsee Notification using firebase messaging FCM , FCM is a messaging solution that allows you to send messages

There are many steps in following :-

 * Go to firebase console and select the app you created

 * From the left menu select notification

 * Click on new message

 * Enter message, select single device and paste the token you copied and click on send. The same as I did on the video, and check your device

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1. CustomFirebaseInstanceIDService

package com.tutorialsee.firebasenotification;

import android.util.Log;

import com.google.firebase.iid.FirebaseInstanceId;
import com.google.firebase.iid.FirebaseInstanceIdService;

public class CustomFirebaseInstanceIDService extends FirebaseInstanceIdService {


    private static String TAG = CustomFirebaseInstanceIDService.class.getSimpleName();

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

        sendRegistrationToServer(refreshedToken);
    }


    private void sendRegistrationToServer(String token) {
    }
}

2. CustomFirebaseMessagingService

package com.tutorialsee.firebasenotification;

import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.media.RingtoneManager;
import android.net.Uri;
import android.support.v4.app.NotificationCompat;

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

public class CustomFirebaseMessagingService extends FirebaseMessagingService {

    public void onMessageReceived(RemoteMessage remoteMessage) {
        //Calling method to generate notification
        sendNotification(remoteMessage.getNotification().getTitle(), remoteMessage.getNotification().getBody());
    }

    private void sendNotification(String title, String messageBody) {
        Intent intent = new Intent(this,MainActivity.class);
        intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP | Intent.FLAG_ACTIVITY_CLEAR_TOP);

        PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);

        Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
        NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this)
                .setSmallIcon(R.mipmap.ic_launcher)
                .setContentTitle(title)
                .setContentText(messageBody)
                .setAutoCancel(true)
                .setSound(defaultSoundUri)
                .setContentIntent(pendingIntent);

        NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);

        notificationManager.notify(0, notificationBuilder.build());
    }
}

3. AndroidManifest

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.tutorialsee.firebasenotification">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

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

        <service
            android:name=".CustomFirebaseInstanceIDService">
            <intent-filter>
                <action android:name="com.google.firebase.INSTANCE_ID_EVENT"/>
            </intent-filter>
        </service>
    </application>

</manifest>