Stable Version : 16.2.0

React Native Version : 0.55.4

Installation : npm install react-native-fcm

Recommended : npm install react-native-admob@2.0.0-beta.5

Configuration:

Android/build.gradle:

Add “google()” in maven repository
Add “maven {url "https://maven.google.com"}” in all project repository Example:

buildscript {
repositories {
google()
jcenter()

}
dependencies {
classpath 'com.android.tools.build:gradle:3.0.1'
classpath 'com.google.gms:google-services:4.0.2'

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

allprojects {
repositories {
mavenLocal()
maven {url "https://maven.google.com"}
jcenter()

maven {
// All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
url "$rootDir/../node_modules/react-native/android"
}
google()
}
}


Android/app/build:

Android compileSdkVersion : 27
buildToolVersion :27.0.3
targetSdkVersion(recommended):27
Add “compile project(':react-native-fcm')” in dependencies
Add “compile 'com.google.firebase:firebase-core'”, compile 'com.google.firebase:firebase-messaging' in dependencies
Add “apply plugin: 'com.google.gms.google-services'” at the end of the file

Example:

android {
compileSdkVersion 27
buildToolsVersion "27.0.3"

defaultConfig {
applicationId "com.fbnotification"
minSdkVersion 16
targetSdkVersion 27
versionCode 1
versionName "1.0"
ndk {
abiFilters "armeabi-v7a", "x86"
}
}

dependencies {
compile project(':react-native-fcm')
compile fileTree(d00000000000000ir: "libs", include: ["*.jar"])
compile "com.android.support:appcompat-v7:23.0.1"
compile "com.facebook.react:react-native:+" // From node_modules
compile 'com.google.firebase:firebase-core'
compile 'com.google.firebase:firebase-messaging'
}
task copyDownloadableDepsToLibs(type: Copy) {
from configurations.compile
into 'libs'
}

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

Android/app/src/main/AndroidManifest.xml:

Add some lines in manifest file
Add FcmMessaging service under tag
Set app notification icon in <meta-data android:name="com.google.firebase.messaging.default_notification_icon" android:resource="@mipmap/ic_launcher"/>
Change your own icon and set the icon path in the place of mipmap/ic_launcher

<Application>
<meta-data android:name="com.google.firebase.messaging.default_notification_icon" android:resource="@mipmap/ic_launcher"/>
<meta-data android:name="com.google.firebase.messaging.default_notification_channel_id" android:value="my_default_channel"/>
<service android:name="com.evollu.react.fcm.MessagingService" android:enabled="true" android:exported="true">
<intent-filter>
<action android:name="com.google.firebase.MESSAGING_EVENT"/>
</intent-filter>
</service>
<service android:name="com.evollu.react.fcm.InstanceIdService" android:exported="false">
<intent-filter>
<action android:name="com.google.firebase.INSTANCE_ID_EVENT"/>
</intent-filter>
</service>
</Application>

Update gradle distribution url:

In Gradle/gradle-wrapper.properties you can find the gradle didtribution url version like this.
distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip Update this version with : distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip

Settings.gradle :

Add the following lines in settings.gradle
include ':react-native-fcm'
project(':react-native-fcm').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-fcm/android')