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ListActivity.java

package com.jamesfroggatt.listviewadapterexample1.app;

import android.app.Activity;
import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.widget.ListView;


public class ListActivity extends Activity {

    // Initialize the array
    String[] numbersArray = { "One", "Two", "Three", "Four", "Five"};

    // Declare the UI components
    private ListView numbersListView;

    private ArrayAdapter arrayAdapter;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // wet which layout xml to use as this layout (activity_list.xml)
        setContentView(R.layout.activity_list);

        // Initialize the UI components
        numbersListView = (ListView) findViewById(R.id.numbers_list);
        // For this moment, you have ListView where you can display a list.
        // But how can we put this data set to the list?
        //
        // This is where you need an Adapter
        // context - The current context.
        // resource - The resource ID for a layout file containing a layout
        // to use when instantiating views.
        // From the third parameter, you plugged the data set to adapter

        arrayAdapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1, numbersArray);

        // By using setAdapter method, you plugged the ListView with adapter
        numbersListView.setAdapter(arrayAdapter);
    }
}

layout/Activity_List.xml

<LinearLayout 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"
    tools:context=".ListActivity" >

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


    </ListView>


</LinearLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.jamesfroggatt.listviewadapterexample1.app" >

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <activity
            android:name="com.jamesfroggatt.listviewadapterexample1.app.ListActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>