PhoneGap: preventing an Android application's screen from sleeping

presentationtimerpro.java

package com.chrisallenlane.presentationtimerpro;

import android.app.Activity;
import android.os.Bundle;
import org.apache.cordova.*;

// add the following import statements
import android.view.WindowManager;
import android.view.Window;

public class PresentationTimerPro extends DroidGap
{
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);

        // this is the specific line that prevents the screen from sleeping
        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

        super.loadUrl("file:///android_asset/www/index.html");
    }
}