package com.example.androidkotlinapp1

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.os.Parcel

import android.os.Parcelable // interface Parcelable defined in standard Java

import kotlinx.android.parcel.Parcelize // attribute @Parcelize defined in Kotlin extension
                                                  // 'org.jetbrains.kotlin:kotlin-android-extensions-runtime:1.7.0'

@Parcelize
data class MyBook(
     val id: Int,
     val title: String?,
     val price: Int
) : Parcelable


class MainActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
          super.onCreate(savedInstanceState)
          setContentView(R.layout.activity_main)

          val book1 = MyBook(id=3, title = "Hello", price = 20)

          val parcel = Parcel.obtain()
          book1.writeToParcel(parcel, 0)

          parcel.setDataPosition(0)

          val book1FromParcel = MyHelper().MyCreator<MyBook>().createFromParcel(parcel)

     }
}

class MyHelper
{
     inline fun <reified T : Parcelable> MyCreator(): Parcelable.Creator<T>
     {
          return T::class.java.getDeclaredField("CREATOR").get(null) as Parcelable.Creator<T>
     }
}

plugins {
     id 'com.android.application'
     id 'org.jetbrains.kotlin.android'
}

apply plugin: 'kotlin-kapt'
apply plugin: 'kotlin-parcelize'

android {
     namespace 'com.example.androidkotlinapp1'
     compileSdk 33

     buildFeatures {
          viewBinding true
     }

     defaultConfig {
          applicationId "com.example.androidkotlinapp1"
          minSdk 27
          targetSdk 33
          versionCode 1
          versionName "1.0"

          testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }

     buildTypes {
          release {
               minifyEnabled false
               proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
          }
     }
     compileOptions {
          sourceCompatibility JavaVersion.VERSION_1_8
          targetCompatibility JavaVersion.VERSION_1_8
     }
     kotlinOptions {
          jvmTarget = '1.8'
     }
}

dependencies {

     implementation 'androidx.core:core-ktx:1.7.0'
     implementation 'androidx.appcompat:appcompat:1.6.1'
     implementation 'com.google.android.material:material:1.9.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'

     // kotlin (parceable)
     implementation 'org.jetbrains.kotlin:kotlin-android-extensions-runtime:1.7.0'
}