listview android example 1

different files

AndroidManifest.xml:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools">
    
    <application
        ...
        android:theme="@style/Theme.AppCompat.DayNight.DarkActionBar"
        ...
        
==================================================================================

values\themes.xml:

<resources>
    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
        <item name="android:windowBackground">@color/white</item>
        <item name="android:textColor">@color/black</item>
    </style>
    ...
    
==================================================================================

activity_main.xml:

<?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">

    <ListView
        android:id="@+id/list1"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

</LinearLayout>

==================================================================================

MainActivity.java:

package com.sunmeat.myapplication;

import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import androidx.appcompat.app.AppCompatActivity;

public class MainActivity extends AppCompatActivity {

    ListView list;
    ArrayAdapter<String> adapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        list = findViewById(R.id.list1);
        
        String data[] = {"Apple", "Banana", "Coconut", "Lemon"};

        adapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, data);

        list.setAdapter(adapter);
    }
}