activity_listview.xml

<?xml version="1.0" encoding="utf-8"?>
<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"
    android:background="#e5e5e5">

    <ListView
        android:id="@+id/cardListView" 
       	android:layout_marginLeft="16dp"
   	android:layout_marginRight="16dp"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:divider="@null"
        android:dividerHeight="0dp">
    </ListView>

    
</LinearLayout>

background_card.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
	<item>
		<shape android:shape="rectangle"
			android:dither="true">

			<corners android:radius="2dp"/>

			<solid android:color="#ccc" />

		</shape>
	</item>

	<item android:bottom="2dp">
		<shape android:shape="rectangle"
			android:dither="true">

			<corners android:radius="2dp" />

			<solid android:color="@android:color/white" />

			<padding android:bottom="8dp"
				android:left="8dp"
				android:right="8dp"
				android:top="8dp" />
		</shape>
	</item>
</layer-list>

list_item.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
	android:layout_width="match_parent"
	android:layout_height="?android:attr/listPreferredItemHeight">

		<LinearLayout
			android:layout_width="match_parent"
			android:layout_height="match_parent" 
			android:layout_marginLeft="6dp"
			android:layout_marginRight="6dp"
			android:layout_marginTop="4dp"
			android:layout_marginBottom="4dp"
			android:background="@drawable/background_card">

		<TextView
        	android:layout_gravity="left|center_vertical"
       		android:layout_width="fill_parent"
        	android:layout_weight="1"
        	android:textColor="@android:color/primary_text_light"
        	android:layout_height="wrap_content" />

	</LinearLayout>

</FrameLayout>

NowArrayAdapter.java

import java.util.ArrayList;
import java.util.List;

import android.content.Context;
import android.graphics.Typeface;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.TextView;

import com.packagename.util;

public class NowArrayAdapter extends ArrayAdapter<String> {
	
	private ArrayList<String> values;
	private Typeface fontface;
	private LayoutInflater inflater;
	
	public class CustomListItem {
		TextView descText;
	}
	
	public NowArrayAdapter(Context context, int resource, ArrayList<String> commandsList) {
		// TODO Auto-generated constructor stub
		super(context, R.layout.list_item, commandsList);
		values = new ArrayList<String>();
		values.addAll(commandsList);
		Context appContext = context.getApplicationContext();
		fontFace = util.getTypeface(appContext, "fonts/Roboto-Light.ttf");
		inflater = LayoutInflater.from(appContext);
	}

	public View getView(int position, View convertView, ViewGroup parent) {
		
		CustomListItem myListItem;
		
		String myText = getItem(position);
		
		if(convertView == null) {
			convertView = inflater.inflate(R.layout.list_item, parent, false);
			myListItem = new CustomListItem();
			
			myListItem.descText = (TextView) convertView.findViewById(R.id.commandText);
			myListItem.descText.setTypeface(fontface);
			
			convertView.setTag(myListItem);
		} else {
			myListItem = (CustomListItem) convertView.getTag();
		}
		
		myListItem.descText.setText(myText);
		//myListItem.descText.setTextSize(14);
		
		return convertView;
	}


}

util.java

package com.packagename.util; 
 
import android.content.Context;
import android.graphics.Typeface;
import java.util.Hashtable;
 
public class util {    
    private static Hashtable<String, Typeface> fontCache = new Hashtable<String, Typeface>();

    public static Typeface getTypeface(Context context, String font) {
        Typeface typeface = fontCache.get(font);
        if (typeface == null) {
            typeface = Typeface.createFromAsset(context.getAssets(), font);
            fontCache.put(font, typeface);
        }
        return typeface;
    }
}

Hi. When I was trying to use the project, I had problems que the fonFace and the R.id.commandText, why ?