Android push notification using Firebase
Step 1: Add following Libraries/Dependencies in your gradle (App-Level) : //messaging implementation 'com.google.firebase:firebase-messaging:20.2.0' implementation 'com.squareup.retrofit2:retrofit:2.9.0' implementation 'com.squareup.retrofit2:converter-gson:2.1.0' //Database implementation 'com.google.firebase:firebase-analytics:17.2.0' implementation 'com.google.firebase:firebase-database:19.2.0' implementation 'com.google.firebase:firebase-auth:19.1.0' Step 2: Make A Package “SendNotificationPack” and add the following classes, two services and an interface: Interface: APIService.java // use to send request for notification to firebase server package com.example.connect.SendNotificationPackage; import retrofit2.Call; import retrofit2.http. Body ; import retrofit2.http. Headers ; import retrofit2.http. POST ; public interface APIService ...