1.Android Studio에서 테스트 project 생성 kr.co.goms.app.chat 생성 2.의존성 추가 implementation platform('com.google.firebase:firebase-bom:32.7.1') implementation 'com.google.firebase:firebase-analytics' implementation 'com.google.firebase:firebase-auth:22.3.1' // Use the latest version available implementation 'com.google.android.gms:play-services-auth:20.7.0' implementation 'com.firebaseui:firebase-ui-auth:7..