244일차 - 커뮤니티 앱개발 (12) : 푸시 알림

1. App Build Gradle

plugins {
    id 'com.google.gms.google-services'
}

dependencies {
    implementation 'com.google.firebase:firebase-analytics-ktx'
    implementation 'com.google.firebase:firebase-messaging-ktx:22.0.0'
    implementation 'com.google.firebase:firebase-analytics'
    implementation platform('com.google.firebase:firebase-bom:28.0.1'
}

 

2. Project Build Gradle

dependencies {
    classpath 'com.google.gms:google-services:4.3.10'
}

 

3. FcmService.kt

class FcmService: FirebaseMessagingService()
{

    override fun onMessageReceived(remoteMessage: RemoteMessage)
    {
        super.onMessageReceived(remoteMessage)
        if (remoteMessage.notification != null)
        {
            sendNotification(remoteMessage.notification?.title, remoteMessage.notification!!.body!!)
        }
    }

    override fun onNewToken(token: String)
    {
        super.onNewToken(token)
    }

    private fun sendNotification(title: String?, body: String)
    {
        val intent = Intent(this, LoginActivity::class.java)
        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
        val pendingIntent = PendingIntent.getActivity(this, 0 /* Request code */, intent,
            PendingIntent.FLAG_ONE_SHOT)

        val channelId = "daily_mbti_channel"
        val defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)
        val notificationBuilder = NotificationCompat.Builder(this, channelId)
            .setSmallIcon(R.drawable.ic_launcher_background)
            .setContentTitle(title)
            .setContentText(body)
            .setAutoCancel(true)
            .setSound(defaultSoundUri)
            .setContentIntent(pendingIntent)

        val notificationManager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            val channel = NotificationChannel(channelId,
                "o_daily_mbti_channel",
                NotificationManager.IMPORTANCE_DEFAULT)
            notificationManager.createNotificationChannel(channel)
        }

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

 

4. LoginActivity

// FCM
FirebaseMessaging.getInstance().token.addOnCompleteListener(OnCompleteListener { task ->
    if (!task.isSuccessful) {
        return@OnCompleteListener
    }
    fcm_token = task.result.toString()
    Log.d("TEST", "Fcm Token : $fcm_token")
})