PART 2 - ANDROID STUDIO와 FIREBASE 연동

https://todaycode.tistory.com/8

[Kotlin] FCM 푸시 알림 구현하기

위의 사이트를 참고하여 제작하였습니다.

 

MyFirebaseMessagingService.kt

package com.example.twitchpush

import android.app.NotificationChannel
import android.app.NotificationManager
import android.app.PendingIntent
import android.content.Context
import android.content.Intent
import android.media.RingtoneManager
import android.os.Build
import android.util.Log
import androidx.core.app.NotificationCompat
import com.google.firebase.messaging.FirebaseMessagingService
import com.google.firebase.messaging.RemoteMessage

class MyFirebaseMessagingService : FirebaseMessagingService(){

    private val TAG = "FirebaseService"

    override fun onNewToken(token: String) {
        val pref = this.getSharedPreferences("token", Context.MODE_PRIVATE)
        val editor = pref.edit()
        editor.putString("token",token).apply()
        editor.commit()
    }

    override fun onMessageReceived(message: RemoteMessage) {
        if(message.data.isNotEmpty()){
            Log.i("바디 : ",message.data["body"].toString())
            Log.i("타이틀 : ",message.data["title"].toString())
            sendNotification(message)
        }
    }
    private fun sendNotification(message: RemoteMessage){
        val unId : Int = (System.currentTimeMillis() / 7).toInt()

        val intent = Intent(this,MainActivity::class.java)
        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
        val pendingIntent = PendingIntent.getActivity(this,unId,intent,PendingIntent.FLAG_ONE_SHOT)

        // 체널이름
        val channelId = getString(R.string.firebase_channel_id)

        // 알림 소리
        val soundUri= RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)

        // ui
        val notificationBuilder = NotificationCompat.Builder(this,channelId)
            .setSmallIcon(R.mipmap.ic_launcher)
            .setContentTitle(message.data["body"].toString())
            .setContentText(message.data["title"].toString())
            .setAutoCancel(true)
            .setSound(soundUri)
            .setContentIntent(pendingIntent)

        val notificationManager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager

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

        // 알림 생성
        notificationManager.notify(unId,notificationBuilder.build())
    }
}

MainActivity.kt

package com.example.twitchpush

import android.content.ContentValues.TAG
import android.os.Bundle
import android.util.Log
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import androidx.appcompat.widget.AppCompatButton
import com.google.firebase.messaging.FirebaseMessaging

class MainActivity : AppCompatActivity() {
    lateinit var wakOnBtn : AppCompatButton
    lateinit var wakOffBtn : AppCompatButton
    lateinit var ineOnBtn : AppCompatButton
    lateinit var ineOffBtn : AppCompatButton
    lateinit var goseguOnBtn : AppCompatButton
    lateinit var goseguOffBtn : AppCompatButton
    lateinit var burgerOnBtn : AppCompatButton
    lateinit var burgerOffBtn : AppCompatButton
    lateinit var cottonOnBtn : AppCompatButton
    lateinit var cottonOffBtn : AppCompatButton
    lateinit var viichanOnBtn : AppCompatButton
    lateinit var viichanOffBtn : AppCompatButton
    lateinit var lilpaOnBtn : AppCompatButton
    lateinit var lilpaOffBtn : AppCompatButton


    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        wakOnBtn = findViewById(R.id.wak_on)
        wakOffBtn = findViewById(R.id.wak_off)
        ineOnBtn = findViewById(R.id.ine_on)
        ineOffBtn = findViewById(R.id.ine_off)
        goseguOnBtn = findViewById(R.id.gosegu_on)
        goseguOffBtn = findViewById(R.id.gosegu_off)
        burgerOnBtn = findViewById(R.id.burger_on)
        burgerOffBtn = findViewById(R.id.burger_off)
        cottonOnBtn = findViewById(R.id.cotton_on)
        cottonOffBtn = findViewById(R.id.cotton_off)
        viichanOnBtn = findViewById(R.id.viichan_on)
        viichanOffBtn = findViewById(R.id.viichan_off)
        lilpaOnBtn = findViewById(R.id.lilpa_on)
        lilpaOffBtn = findViewById(R.id.lilpa_off)

        ineOnBtn.setOnClickListener {
            sub("ine")
        }
        ineOffBtn.setOnClickListener {
            unsub("ine")
        }

        goseguOnBtn.setOnClickListener {
            sub("gosegu")
        }
        goseguOnBtn.setOnClickListener {
            unsub("gosegu")
        }

        burgerOnBtn.setOnClickListener {
            sub("burger")
        }
        burgerOffBtn.setOnClickListener {
            unsub("burger")
        }

        cottonOnBtn.setOnClickListener {
            sub("cotton")
        }
        cottonOffBtn.setOnClickListener {
            unsub("cotton")
        }

        viichanOnBtn.setOnClickListener {
            sub("viichan")
        }
        viichanOffBtn.setOnClickListener {
            unsub("viichan")
        }

        lilpaOnBtn.setOnClickListener {
            sub("lilpa")
        }
        lilpaOffBtn.setOnClickListener {
            unsub("lilpa")
        }

        wakOnBtn.setOnClickListener {
            sub("wak")
        }

        wakOffBtn.setOnClickListener {
            unsub("wak")
        }
    }
    fun sub(topic:String){
        FirebaseMessaging.getInstance().subscribeToTopic(topic)
            .addOnCompleteListener { task ->
                if (task.isSuccessful) {
                    // 구독 요청 성공
                    val token = task.getResult()
                    Log.d(TAG, "token : $token")
                    Toast.makeText(this,"알림 설정 완료",Toast.LENGTH_SHORT).show()
                } else {
                    // 구독 요청 실패
                    Toast.makeText(this,"알림 설정 실패",Toast.LENGTH_SHORT).show()
                }
            }
    }
    fun unsub(topic:String){
        FirebaseMessaging.getInstance().unsubscribeFromTopic(topic)
            .addOnCompleteListener { task ->
                if (task.isSuccessful) {
                    // 구독 해제 요청 성공
                    Toast.makeText(this,"알림 해제 성공",Toast.LENGTH_SHORT).show()
                } else {
                    // 구독 해제 요청 실패
                    Toast.makeText(this,"알림 해제 실패",Toast.LENGTH_SHORT).show()
                }
            }
    }
}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <androidx.appcompat.widget.AppCompatButton
            android:id="@+id/wak_on"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="우왁굳 알림 설정" />

        <androidx.appcompat.widget.AppCompatButton
            android:id="@+id/wak_off"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="우왁굳 알림 취소" />
    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <androidx.appcompat.widget.AppCompatButton
            android:id="@+id/viichan_on"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="비챤 알림 설정" />

        <androidx.appcompat.widget.AppCompatButton
            android:id="@+id/viichan_off"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="비챤 알림 취소" />
    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <androidx.appcompat.widget.AppCompatButton
            android:id="@+id/ine_on"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="아이네 알림 설정" />

        <androidx.appcompat.widget.AppCompatButton
            android:id="@+id/ine_off"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="아이네 알림 취소" />
    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <androidx.appcompat.widget.AppCompatButton
            android:id="@+id/gosegu_on"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="고세구 알림 설정" />

        <androidx.appcompat.widget.AppCompatButton
            android:id="@+id/gosegu_off"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="고세구 알림 취소" />
    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <androidx.appcompat.widget.AppCompatButton
            android:id="@+id/cotton_on"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="주르르 알림 설정" />

        <androidx.appcompat.widget.AppCompatButton
            android:id="@+id/cotton_off"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="주르르 알림 취소" />
    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <androidx.appcompat.widget.AppCompatButton
            android:id="@+id/burger_on"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="징버거 알림 설정" />

        <androidx.appcompat.widget.AppCompatButton
            android:id="@+id/burger_off"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="징버거 알림 취소" />
    </LinearLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <androidx.appcompat.widget.AppCompatButton
            android:id="@+id/lilpa_on"
            android:layout_weight="1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="릴파 알림 설정" />

        <androidx.appcompat.widget.AppCompatButton
            android:id="@+id/lilpa_off"
            android:layout_weight="1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="릴파 알림 취소" />
    </LinearLayout>
</LinearLayout>

결과 화면