canvas.java~33~

J2ME的一个简单例子

package j2me;

import javax.microedition.lcdui.*;
import java.io.*;


public class canvas extends Canvas  implements Runnable{
  Thread thread;

  public canvas() {
    thread=new Thread(this);
    thread.start();
  }
  protected void paint(Graphics g ){
    g.drawString("I LOVE YOU!",0,getHeight  ()/2,Graphics.HCENTER|Graphics.TOP);
  }

  public void run() {
    while(true){
      repaint();

    }
  }

}