How to create a ListView from array in Kotlin using Android Studio?
In this tutorial we will create a ListView using array, array items will be displayed in ListView. We will also handle Item Clicks, I’ll display a Toast on each item click, you can do your functionality.
Step 1: Create a new project OR Open your project
Step 2: Code
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"
tools:context=".MainActivity">
<ListView
android:id="@+id/listView"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
MainActivity.kt
package com.jigopost.kotlinpractice
import android.os.Bundle
import android.support.v7.app.AppCompatActivity
import android.widget.ArrayAdapter
import android.widget.ListView
import android.widget.Toast
class MainActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
val values = arrayOf("Item One", "Item Two", "Item Three", "Item Four", "Item Five")
val mListView = findViewById<ListView>(R.id.listView)
val adapter = ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, values)
mListView.adapter =adapter
mListView.setOnItemClickListener{parent, view, position, id ->
//Toast.makeText(this@MainActivity, "You have Clicked " + parent.getItemAtPosition(position), Toast.LENGTH_SHORT).show()
if (position==0){
Toast.makeText(this@MainActivity, "Item One", Toast.LENGTH_SHORT).show()
}
if (position==1){
Toast.makeText(this@MainActivity, "Item Two", Toast.LENGTH_SHORT).show()
}
if (position==2){
Toast.makeText(this@MainActivity, "Item Three", Toast.LENGTH_SHORT).show()
}
if (position==3){
Toast.makeText(this@MainActivity, "Item Four", Toast.LENGTH_SHORT).show()
}
if (position==4){
Toast.makeText(this@MainActivity, "Item Five", Toast.LENGTH_SHORT).show()
}
}
}
}
Step 3: Output
