Android two lines ListPreference (title and subtitle)

two_lines_list_preference_row.xml

<?xml version="1.0" encoding="utf-8"?>

<TableRow xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/custom_list_view_row_table_row"
    android:gravity="center_vertical"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:paddingBottom="8dip"
    android:paddingTop="8dip"
    android:paddingLeft="10dip"
    android:paddingRight="10dip">

    <LinearLayout
        android:orientation="vertical"
    	android:layout_width="0dip"
    	android:layout_height="fill_parent"
    	android:layout_weight="1"
    	android:padding="0dip">
     <TextView
         android:id="@+id/custom_list_view_row_text_view"
         android:textSize="16sp"
         android:textColor="#000000"  
         android:gravity="center_vertical"
         android:layout_width="fill_parent" 
         android:layout_height="22dip" />
     <TextView
         android:id="@+id/custom_list_view_row_subtext_view"
         android:textSize="12sp"
         android:textColor="#000000"  
         android:gravity="center_vertical"
         android:layout_width="fill_parent" 
         android:layout_height="18dip" />
    </LinearLayout>

    <ImageView
        android:id="@+id/custom_list_view_row_selected_indicator"
        android:src="@drawable/ic_action_star"
        android:layout_width="wrap_content" 
        android:layout_height="40dip"
        android:layout_gravity="center_vertical" />
</TableRow>

TwoLinesListPreference.java

package jp.joao.android.preference;

import android.app.AlertDialog.Builder;
import android.content.Context;
import android.content.DialogInterface;
import android.preference.ListPreference;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.ListAdapter;
import android.widget.TextView;

public class TwoLinesListPreference extends ListPreference {
	
    private CharSequence[] mEntries;
    private CharSequence[] mEntryValues;
    private CharSequence[] mEntriesSubtitles;
    private String mValue;
    private int mClickedDialogEntryIndex;
	
	public TwoLinesListPreference(Context context, AttributeSet attrs) {
		super(context, attrs);
	}

	@Override
    protected void onPrepareDialogBuilder(Builder builder) {
        super.onPrepareDialogBuilder(builder);
        
		mEntries = getEntries();
		mEntryValues = getEntryValues();
		mEntriesSubtitles = getEntriesSubtitles();
		mValue = getValue();
		mClickedDialogEntryIndex = getValueIndex();
        
        if (mEntries == null || mEntryValues == null || mEntriesSubtitles == null) {
            throw new IllegalStateException(
                    "ListPreference requires an entries array and an entryValues array.");
        }
        
        String[] mEntriesString = (String[]) mEntries;
        
        // adapter
        ListAdapter adapter = new ArrayAdapter<String>(
                getContext(), R.layout.two_lines_list_preference_row, mEntriesString) {
	               
	        ViewHolder holder;
	
	        class ViewHolder {
	                TextView title;
	                TextView subTitle;
	                ImageView selectedIndicator;
	        }
	        
	        public View getView(int position, View convertView, ViewGroup parent) {
	                final LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
	
	                if (convertView == null) {
	                        convertView = inflater.inflate(R.layout.two_lines_list_preference_row, null);
	
	                        holder = new ViewHolder();
	                        holder.title = (TextView) convertView.findViewById(R.id.custom_list_view_row_text_view);
	                        holder.subTitle = (TextView) convertView.findViewById(R.id.custom_list_view_row_subtext_view);
	                        holder.selectedIndicator = (ImageView) convertView.findViewById(R.id.custom_list_view_row_selected_indicator);
	                        
	                        convertView.setTag(holder);
	                } else {
	                        // view already defined, retrieve view holder
	                        holder = (ViewHolder) convertView.getTag();
	                }              
		               
	                holder.title.setText(mEntries[position]);
	                holder.subTitle.setText(mEntriesSubtitles[position]);
	                holder.selectedIndicator.setVisibility(position == mClickedDialogEntryIndex ? View.VISIBLE : View.GONE);
	
	                return convertView;
	        }
	    };
        
		builder.setAdapter(adapter, new DialogInterface.OnClickListener() {
			@Override
			public void onClick(DialogInterface dialog, int which) {
				mClickedDialogEntryIndex = which;
				/*
				 * Clicking on an item simulates the positive button click, and
				 * dismisses the dialog.
				 */
				TwoLinesListPreference.this.onClick(dialog, DialogInterface.BUTTON_POSITIVE);
				dialog.dismiss();
			}
		});
        
        /*
         * The typical interaction for list-based dialogs is to have
         * click-on-an-item dismiss the dialog instead of the user having to
         * press 'Ok'.
         */
        builder.setPositiveButton(null, null);
    }
	
    @Override
    protected void onDialogClosed(boolean positiveResult) {
        super.onDialogClosed(positiveResult);
        
        if (positiveResult && mClickedDialogEntryIndex >= 0 && mEntryValues != null) {
            String value = mEntryValues[mClickedDialogEntryIndex].toString();
            if (callChangeListener(value)) {
                setValue(value);
            }
        }
    }

    /**
     * Returns the index of the given value (in the entry values array).
     * 
     * @param value The value whose index should be returned.
     * @return The index of the value, or -1 if not found.
     */
    public int findIndexOfValue(String value) {
        if (value != null && mEntryValues != null) {
            for (int i = mEntryValues.length - 1; i >= 0; i--) {
                if (mEntryValues[i].equals(value)) {
                    return i;
                }
            }
        }
        return -1;
    }
    
    private int getValueIndex() {
        return findIndexOfValue(mValue);
    }

	public CharSequence[] getEntriesSubtitles() {
		return mEntriesSubtitles;
	}

	public void setEntriesSubtitles(CharSequence[] mEntriesSubtitles) {
		this.mEntriesSubtitles = mEntriesSubtitles;
	}
    
}