Gson 라이브러리

Gson: java 객체를 Json 객체로 변환하거나 반대로 변환

dependencies 추가

dependencies{
	implementation 'com.google.code.gson:gson"2.8.6'
}

Data Class

package com.simpleapicall

data class ResponseData(
    val message:String,
    val user_id: Int,
    val name: String,
    val email:String,
    val mobile: Long,
    val profile_details: ProfileDetails,
    val data_list: List<DataListDetail>

)

data class ProfileDetails(
    val is_profile_completed: Boolean,
    val rating: Double
)

data class DataListDetail(
    val id:Int,
    val value:String
)