FCM 푸시알림

google-services.json 생성하는 법

1. firebase에서 프로젝트 생성 후 google-services.json 다운 후 복사

2. 안드로이드 스튜디오로 와서 좌측 상단에 안드로이드 커서 누르고 project로 바꾸기

3. app폴더에 붙여 넣기

4. project에서 다시 android로 바꾸기

 

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build .gradle (PushTest)

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
    repositories {
        google()
        jcenter()
    }
    dependencies {
        classpath "com.android.tools.build:gradle:4.0.1"
        classpath "com.google.gms:google-services:4.3.2"

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        google()
        jcenter()
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

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build.gradle (:app)

apply plugin: 'com.android.application'

android {
    compileSdkVersion 30
    buildToolsVersion "30.0.1"

    defaultConfig {
        applicationId "com.example.pushtest"
        minSdkVersion 28
        targetSdkVersion 30
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    implementation fileTree(dir: "libs", include: ["*.jar"])
    implementation 'androidx.appcompat:appcompat:1.2.0'
    implementation 'androidx.constraintlayout:constraintlayout:2.0.1'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
    implementation 'com.google.firebase:firebase-messaging:17.0.0'

}

apply plugin: 'com.google.gms.google-services'

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자바 파일 생성

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FIrebaseIntaneIDservice.java

package com.example.pushtest;

import android.util.Log;

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

public class FirebaseIntanceIDservices extends FirebaseInstanceIdService {

    private static final String TAG = "MyFirebaseIIDServices";

    @Override
    public void onTokenRefresh() {

        String token = FirebaseInstanceId.getInstance().getToken();
        Log.e(TAG,token);

        sendRegistrationToServer(token);

    }

    private void sendRegistrationToServer(String token) {

    }
}

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자바 파일 생성

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FirebaseMessagingService.java

package com.example.pushtest;

import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.media.Ringtone;
import android.media.RingtoneManager;
import android.util.Log;

import androidx.core.app.NotificationCompat;

import com.google.firebase.messaging.RemoteMessage;

public class FirebaseMessagingService extends com.google.firebase.messaging.FirebaseMessagingService {

    private static final String TAG = "FirebaseMsgService";

    private String msg, title;


    @Override
    public void onMessageReceived(RemoteMessage remoteMessage) {
        Log.e(TAG, "onMessageReceived");

        title = remoteMessage.getNotification().getTitle();
        msg = remoteMessage.getNotification().getBody();

        Intent intent = new Intent(this,MainActivity.class);
        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);

        PendingIntent contentIntent = PendingIntent.getActivity(this, 0, new Intent(this, MainActivity.class), 0);

        NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this).setSmallIcon(R.mipmap.ic_launcher)
                .setContentTitle(title)
                .setContentText(msg)
                .setAutoCancel(true)
                .setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION))
                .setVibrate(new long[]{1, 1000});

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

        notificationManager.notify(0, mBuilder.build());

        mBuilder.setContentIntent(contentIntent);
    }
}

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AndroidManifest.xml

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

    <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>

        <service android:name=".FirebaseMessagingService">
            <intent-filter>

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

        </service>

        <service android:name=".FirebaseIntanceIDservices">

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

    </application>

</manifest>

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