Class Extending Firebasemessagingservice Not Working Inside Android Library

I created an Android Library to implement FCM to use in my internal projects, where I implement a class to extend FirebaseMessagingService (.services.MyFirebaseMessagingService ) a

Solution 1:

For FCM follow this step : 1 - in main Build.gradle (not in app folder) add this line :

buildscript {
// ...
dependencies {
    // ...
    classpath 'com.google.gms:google-services:3.0.0'
}

2- in app/build.gradle add this line :

 apply plugin: 'com.android.application'

android {
  // ...
}

dependencies {
  // ...
  compile 'com.google.firebase:firebase-core:9.8.0'
  compile 'com.google.firebase:firebase-messaging:9.8.0'// Getting a "Could not find" error? Make sure you have// the latest Google Repository in the Android SDK manager
}

// ADD THIS AT THE BOTTOM
apply plugin: 'com.google.gms.google-services'

Note : "Android Support Repository" in you SDk most be updated . Hope this help

Solution 2:

click on Build - > Clean then install & run the app