Android ListView Demo

Learn how to create a ListView in Android Studio using ArrayAdapter. Customize text size and handle item clicks with a simple Java example!

ListView XML File

Android XML Layout Code

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:padding="16dp">

    <ListView
        android:id="@+id/listView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"/>
</LinearLayout>

ListView Java file

import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;

import androidx.activity.EdgeToEdge;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.graphics.Insets;
import androidx.core.view.ViewCompat;
import androidx.core.view.WindowInsetsCompat;

public class ListViewDemo extends AppCompatActivity {

    ListView listView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        EdgeToEdge.enable(this);
        setContentView(R.layout.activity_list_view_demo);
        listView = findViewById(R.id.listView);

        String fruits[] = {"apple", "Orange", "Mango", "apple", "Orange", "Mango", "apple", "Orange", "Mango", "apple", "Orange", "Mango", "apple", "Orange", "Mango", "apple", "Orange", "Mango", "apple", "Orange", "Mango"};
        ArrayAdapter adapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, fruits);
        listView.setAdapter(adapter);

        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView adapterView, View view, int i, long l) {
                String selectedItem = (String) adapterView.getItemAtPosition(i);
                Toast.makeText(ListViewDemo.this, "selected " + selectedItem, Toast.LENGTH_SHORT).show();

            }
        });

    }
}