@JvmStatic @JvmOverloads fun init(context: Context, appKey: String, loggingEnabled: Boolean = false, hosts: ServerHosts = ServerHosts()): Unit
Kakao SDK 초기화. Application.onCreate 내에서 호출 권장.
@JvmOverloads fun init(context: Context, appKey: String, loggingEnabled: Boolean = false, hosts: ServerHosts = ServerHosts(), type: Type): Unit