Kotlin Realm Primitive Arrays Workaround

HttpClient.kt

// originally from https://gist.github.com/bclymer/f569fffb41bab046c2d1
val realmStringArrayType = object : TypeToken<RealmStringArray>() {}.type
val gson = GsonBuilder()
        .setExclusionStrategies(object : ExclusionStrategy {
            override fun shouldSkipClass(clazz: Class<*>?): Boolean {
                return false
            }

            override fun shouldSkipField(f: FieldAttributes?): Boolean {
                return f?.declaringClass?.equals(RealmObject::class.java) == true
            }
        })
        .registerTypeAdapter(realmStringArrayType, object : TypeAdapter<RealmStringArray>() {
            override fun write(out: JsonWriter?, value: RealmStringArray?) {
                // ignore
            }

            override fun read(inJson: JsonReader?): RealmStringArray? {
                if (inJson != null) {
                    val realmStringArray = RealmStringArray()
                    val StringList = arrayListOf<String>()
                    inJson.beginArray()
                    while (inJson.hasNext()) {
                        StringList.add(inJson.nextString())
                    }
                    inJson.endArray()
                    realmStringArray.joinedStrings = StringList.joinToString(",,,,")
                    return realmStringArray
                }
                return null
            }
        })
        .create()

RealmPrimitiveArrays.kt

// originally from https://gist.github.com/bclymer/f569fffb41bab046c2d1

import io.realm.RealmObject

public fun RealmStringArray.toList(): List<String> {
    if (joinedStrings != null) {
        return joinedStrings!!.split(",,,,")
    } else {
        return listOf()
    }
}