kotlin-serialization

Gradle設定追加

build.gradle

buildscript {
    dependencies {
        // Kotlin Serialization(追加)
        classpath "org.jetbrains.kotlin:kotlin-serialization:1.6.10"
    }
}

build.gradle(app)

plugins {
    
    // Kotlin Serialization(追加)
    id 'kotlinx-serialization'
}

dependencies {
    // Kotlin Serialization
    implementation 'org.jetbrains.kotlinx:kotlinx-serialization-json:1.3.2'
}

Kotlin

Jsonに変換するクラス

UserInfo.kt

import kotlinx.serialization.Serializable

// @Serializable属性を付与
@Serializable    
data class UserInfo(
    var userName: String,
    var phoneNumber: String,
    var email: String,
)   

Jsonへ変換

Encode.kt

import kotlinx.serialization.encodeToString
import kotlinx.serialization.json.Json

class Encode {
    fun hoge() {
        val userInfo = UserInfo("Name", "09012345678", "[e-mail]")

        val jsonStr = Json.encodeToString(userInfo)
    }
}