Producing better named Android APKs with Gradle (Android Plugin 3.0)

apk-better-name.gradle

// http://www.jayway.com/2015/03/13/producing-better-named-android-apks-with-gradle/
// https://stackoverflow.com/questions/44239235/android-gradle-3-0-0-alpha2-plugin-cannot-set-the-value-of-read-only-property
android.applicationVariants.all { variant ->
    def appName
    // Check if an applicationName property is supplied; if not use the name of the parent project.
    if (project.hasProperty("applicationName")) {
        appName = applicationName
    } else {
        appName = parent.name
    }

    variant.outputs.all { output ->
        def variantVersionName = variant.versionName.replace("debug", "")
        outputFileName = "${appName}-${output.baseName}-${variantVersionName}-${variant.versionCode}.apk"
    }
}