mhmtk

def buildConfigAndResStringField(variant, name, value) {
    variant.resValue 'string', name.toLowerCase(), value
    variant.buildConfigField 'String', name, "\"$value\""
}

afterEvaluate {
    android.applicationVariants.all { variant ->
        variant.resValue 'string', 'application_id', variant.applicationId
        buildConfigAndResStringField variant, "ACCOUNT_TYPE", variant.applicationId
        buildConfigAndResStringField variant, "CONTENT_AUTHORITY", variant.applicationId + ".provider"