build.gradle

dependencies {
    // Firebase SDKs
    implementation 'com.google.firebase:firebase-firestore:21.4.1'
    implementation 'com.google.firebase:firebase-database:19.2.1'

    // FirebaseUI for Real-time database
    implementation 'com.firebaseui:firebase-ui-database:6.2.0'

    // FirebaseUI for Cloud Firestore
    implementation 'com.firebaseui:firebase-ui-firestore:6.2.0'

    // Paging Library (For Pagination Only)
    implementation 'android.arch.paging:runtime:1.0.1'
}