WeatherExample gist https://github.com/skimarxall/WeatherExample

build.gradle

dependencies {
    // Kotlin
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
    
    // Views
    implementation 'com.android.support:appcompat-v7:27.1.1'
    implementation 'com.android.support.constraint:constraint-layout:1.1.0'

    // Network
    implementation 'com.squareup.retrofit2:retrofit:2.4.0'
    implementation 'com.squareup.retrofit2:converter-moshi:2.4.0'
    implementation 'com.squareup.moshi:moshi-kotlin:1.5.0'

    // Kotlin coroutines
    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:0.22.5"
    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:0.22.5"
}