keyrepeattask.java

j2me 图象缩小和放大。自动适应屏幕大小

/**
 * 
 * @author Sam Huang
 *
 */

/* 这个后台线程类在某一时间间隔不断地调用ScrollCanvas类中的repeatImageMove()方法，
 * 
 * 确保当移动设备上的相关按键被按住时不断地移动图片 
 * 
 * */

import java.util.TimerTask;

public class KeyRepeatTask extends TimerTask {
	private ScrollCanvas scrollCanvas;

	public KeyRepeatTask(ScrollCanvas scrollCanvas) {
		this.scrollCanvas = scrollCanvas;
	}

	public void run() {
		if (scrollCanvas != null) {
			scrollCanvas.repeatImageMove();
		}
	}

}