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Android

FCM(Firebase Cloud Messaging) 메세지 받기

by 캡틴노랑이 2020. 9. 29.
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FCM에 대해서 자세한 설명은 생략.
이미 어느정도 이해하고 왔을 것으로 판단됨. 
소스만 고대로 올려 놓음. 
마시멜로우 기준으로 코딩. 그 이외 버전에서는 작동 안될 수 있음. 

 

MainActivity

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package com.norang.firebasesample;
 
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
 
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;
import android.widget.Toast;
 
import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.iid.FirebaseInstanceId;
import com.google.firebase.iid.InstanceIdResult;
 
public class MainActivity extends AppCompatActivity {
 
    private TextView tvToken;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        tvToken = findViewById(R.id.tvToken);
 
        FirebaseInstanceId.getInstance().getInstanceId()
        .addOnCompleteListener(new OnCompleteListener() {
            @Override
            public void onComplete(@NonNull Task task) {
                if (!task.isSuccessful()) {
                    Log.w("FCM", "getInstanceId failed", task.getException());
                    return;
                }
                String token = task.getResult().getToken();
                Log.d("Token", token);
                tvToken.setText(token);
            }
        });
    }
}

MainActivity Layout

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<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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"
    tools:context=".MainActivity">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        >
    <TextView
        android:id="@+id/tvToken"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Token"
         />
    </LinearLayout>
</androidx.constraintlayout.widget.ConstraintLayout>

 

FirebaseMessagingService

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package com.norang.firebasesample;
 
 
import android.app.Notification;
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.net.Uri;
import android.os.Build;
import android.util.Log;
import android.graphics.Color;
 
import androidx.core.app.NotificationCompat;
 
import com.google.firebase.messaging.FirebaseMessagingService;
import com.google.firebase.messaging.RemoteMessage;
 
public class NorangFireBaseMessagingService extends FirebaseMessagingService {
    @Override
    public void onNewToken(String token) {
        Log.d("FCM Log", "Refreshed token: " + token);
    }
    @Override
    public void onMessageReceived(RemoteMessage remoteMessage) {
        if (remoteMessage.getNotification() != null) {
            Log.d("FCM Log", "알림 메시지: " + remoteMessage.getNotification().getBody());
 
            Log.d("FCM Log data", "알림 메시지: " + remoteMessage.getData().get("data1"));
            Log.d("FCM Log data", "알림 메시지: " + remoteMessage.getData().get("data2"));
            Log.d("FCM Log data", "알림 메시지: " + remoteMessage.getData().get("data3"));
 
 
            //일반 메세지
            String messageTitle = remoteMessage.getNotification().getTitle();
            String messageBody = remoteMessage.getNotification().getBody();
 
            //data 영역 읽어오기
//            String messageTitle = remoteMessage.getData().get("data2");
//            String messageBody = remoteMessage.getData().get("data1");
 
 
            Intent intent = new Intent(this, MainActivity.class);
 
            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
            PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_ONE_SHOT);
            String channelId = "Channel ID";
 
            Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
             
            NotificationCompat.Builder nBuilder =
                    new NotificationCompat.Builder(this, channelId)
                            .setSmallIcon(R.mipmap.ic_launcher)
                            .setContentTitle(messageTitle)
                            .setContentText(messageBody)
                            .setAutoCancel(true)
                            .setSound(defaultSoundUri)
                            //.setColor(Color.YELLOW)  //아이콘 배경에 색상이 들어감
                            .setLights(Color.YELLOW, 1000, 1000)/// 1초 간격으로 깜빡임.  이것도 되다 안되다 함. 젠장할...
                            .setContentIntent(pendingIntent);
 
            NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
 
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
                String channelName = "Channel Name";
                NotificationChannel channel = new NotificationChannel(channelId, channelName, NotificationManager.IMPORTANCE_HIGH);
                notificationManager.createNotificationChannel(channel);
            }
            notificationManager.notify(0, nBuilder.build());
        }
    }
}

AndroidManifest

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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.norang.firebasesample">
    <uses-permission android:name="android.permission.INTERNET" ></uses-permission>
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        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>
        <!--Notification click할 때 실행할 activity 정의 -->
        <activity android:name=".NotiActivity">
            <intent-filter>
                <action android:name="NOTI_ACTIVITY"/>
                <category android:name="android.intent.category.DEFAULT"/>
            </intent-filter>
        </activity>
        <service android:name=".NorangFireBaseMessagingService">
            <intent-filter>
                <action android:name="com.google.firebase.MESSAGING_EVENT" />
            </intent-filter>
        </service>
    </application>
 
</manifest>

 

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