midlet2.java

这是郭克华老师的J2ME视频的源代码

package prj22_1;

import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.game.GameCanvas;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;

public class MIDlet2 extends MIDlet {
	private MyGameCanvas mgc = new MyGameCanvas();
	private Display dis;
	protected void startApp() throws MIDletStateChangeException {
		dis = Display.getDisplay(this);
		dis.setCurrent(mgc);

	}
	protected void destroyApp(boolean arg0) throws MIDletStateChangeException {
		

	}

	protected void pauseApp() {
		

	}
	
	class MyGameCanvas extends GameCanvas implements Runnable{
		private boolean RUN = true;
		public MyGameCanvas(){
			super(true);
			new Thread(this).start();
		}		
		public void run(){
			while(RUN){
				try{
					//System.out.println(this.getKeyStates());	
					//if(this.getKeyStates()==GameCanvas.LEFT_PRESSED){
					//	System.out.println("左");
					//}
					if((this.getKeyStates()&GameCanvas.LEFT_PRESSED)!=0){
						System.out.println("左");
					}
					Thread.currentThread().sleep(1000);
				}catch(Exception ex){}
			}
		}

	}


}