[Kotlin] Intent

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center"
    tools:context=".MainActivity">

    <Button
        android:id="@+id/btnMoveToSub"
        android:layout_width="400dp"
        android:layout_height="100dp"
        android:textAllCaps="false"
        android:text="Move To SubActivity"
        android:textSize="30dp"
        android:textStyle="bold|italic"
        android:textColor="#FFFFFF"
        android:background="#FF7F00"/>

</LinearLayout>

activity_main.xml

 

 

 

 

 

 

acitvity_sub.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:gravity="center"
    tools:context=".SubActivity">

    <TextView
        android:id="@+id/tvName"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="26dp"
        android:layout_centerInParent="true"
        tools:text="Name"/>

    <TextView
        android:id="@+id/tvNickname"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="26dp"
        android:layout_marginTop="30dp"
        android:layout_below="@+id/tvName"
        android:layout_centerInParent="true"
        tools:text="Nickname"/>

    <TextView
        android:id="@+id/tvAge"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="26dp"
        android:layout_marginTop="30dp"
        android:layout_below="@+id/tvNickname"
        android:layout_centerInParent="true"
        tools:text="Age"/>

    <TextView
        android:id="@+id/tvFavoriteMovies"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="26dp"
        android:layout_marginTop="30dp"
        android:layout_below="@+id/tvAge"
        android:layout_centerInParent="true"
        android:singleLine="true"
        android:ellipsize="end"
        tools:text="FavoriteMovies" />

    <TextView
        android:id="@+id/tvPrivacy"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="26dp"
        android:layout_marginTop="30dp"
        android:layout_below="@+id/tvFavoriteMovies"
        android:layout_centerInParent="true"
        tools:text="Privacy" />

    <Button
        android:id="@+id/btnMoveToMain"
        android:layout_width="400dp"
        android:layout_height="100dp"
        android:textAllCaps="false"
        android:text="Move To MainActivity"
        android:textSize="30dp"
        android:textStyle="bold|italic"
        android:textColor="#FFFFFF"
        android:background="#FF7F00"
        android:layout_marginTop="100dp"
        android:layout_below="@+id/tvPrivacy"
        android:layout_centerInParent="true" />

</RelativeLayout>

activity_sub.xml

 

 

 

 

 

 

Privacy.kt

package com.jwsoft.kotlinproject

import java.io.Serializable

data class Privacy (
    val height: Int,
    val weight: Int
): Serializable

 

 

 

 

 

 

MainActivity.kt

package com.jwsoft.kotlinproject

import android.content.Intent
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import kotlinx.android.synthetic.main.activity_main.*

class MainActivity : AppCompatActivity() {

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

        val favoriteMovies = arrayOf("The Avengers", "Good Will Hunting", "Notting Hill")
        val privacy = Privacy(184, 84)

        btnMoveToSub.setOnClickListener {
            val intent: Intent = Intent(this, SubActivity::class.java)
            intent.putExtra("Name", "James Kim")
            intent.putExtra("Nickname", "혀가 길지 않은 개발자")
            intent.putExtra("Age", 30)
            intent.putExtra("Favorite Movies", favoriteMovies)
            intent.putExtra("Privacy", privacy)
            startActivity(intent)
        }
    }
}

 

 

 

 

 

 

 

SubActivity.kt

package com.jwsoft.kotlinproject

import android.content.Intent
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import kotlinx.android.synthetic.main.activity_sub.*

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

        val intent = intent
        tvName.text = intent.extras?.getString("Name")
        tvNickname.text = intent.extras?.getString("Nickname")
        tvAge.text = intent.extras?.getInt("Age").toString()

        val movies = intent.extras?.getStringArray("Favorite Movies")
        var strMovies = ""
        if (movies != null) {
            for (movie in movies) {
                strMovies += "$movie, "
            }
        }
        tvFavoriteMovies.text = strMovies

        val privacy: Privacy = intent.extras?.getSerializable("Privacy") as Privacy
        tvPrivacy.text = "${privacy.height} / ${privacy.weight}"


        btnMoveToMain.setOnClickListener {
            val intent: Intent = Intent(this, MainActivity::class.java)
            startActivity(intent)
        }
    }

}

실행 결과