mytimertask.java

相册是J2me MIDLet 的一个demo程序

/*
 *  
 *  Filename: MyTimerTask.java
 *  - contains definition of the class MyTimerTask. It is a TimerTask with run method used to invoke method in 
 *  Main object ImageAlbum for changing image showing on screen after the time interval chosen by user has 
 *  been elapsed. 
 *
 *
 *  Application Name: Image Album Demo 
 *  Version: 2.0
 *  Release Date: 27th September, 2002
 *  Author:	Edmund Wong, Application Engineer, Metrowerks Hong Kong
 *
 *
 *  (c) Copyright. 2002. Metrowerks Corp. ALL RIGHTS RESERVED.
 *	This code is provided "AS IS" without warranty of any kind and subject to Metrowerks Sample Application
 *  End User License Agreement. NO EXTERNAL DISTRIBUTION OR COMMERCIALIZATION OF THE SOFTWARE IS PERMITTED 
 *  EXCEPT BY WRITTEN AGREEMENT OF METROWERKS."
 */

import java.util.*;

	
	/**
	 *  Create MyTimerTask class for implementing the task (change image) to be run by the timer during slide show
	 */
	
	public class MyTimerTask extends TimerTask {
	
		public PhotoCanvas photoCanvas;			// reference for main object ImageAlbum
		
		public ImageAlbum imageAlbumReference;	// reference for main object ImageAlbum
		
	   /**
     	* Constructor of MyTimerTask
     	*/
	
		MyTimerTask(PhotoCanvas photoCanvas, ImageAlbum imageAlbumReference){
		
		this.photoCanvas = photoCanvas;
		
		this.imageAlbumReference = imageAlbumReference;
		
		}
		
		
	   /**
     	*  Run method of MyTimerTask - action: show next image on screen 
     	*/
	
		public void run() {
		
		imageAlbumReference.changeNextPhoto(photoCanvas);
					
		}
	}