build.gradle

dependencies {

    // Kotlin
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"

    // Kotlin Coroutines
    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.5"
    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.5"
    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-play-services:1.3.5'

    // Android
    implementation 'androidx.appcompat:appcompat:1.1.0'
    implementation 'androidx.core:core-ktx:1.2.0'
    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'

    // ViewModel
    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.2.0'

    // Firebase Cloud Firestore (Kotlin)
    implementation 'com.google.firebase:firebase-firestore-ktx:21.4.2'
}