J2ME游戏开发之按钮事件

package com.sliw.graphics;



import javax.microedition.lcdui.Canvas;

import javax.microedition.lcdui.Graphics;



public class KeyEventCanvas extends Canvas{



    public static final int KEY_UP = -1;

    public static final int KEY_DOWN = -2;

    public static final int KEY_LEFT = -3;

    public static final int KEY_RIGHT = -4;

    public static final  int mkey0 = 48;

    public static final  int mkey1 = 49;

    public static final  int mkey2 = 50;

    public static final  int mkey3 = 51;

    public static final  int mkey4 = 52;    

    public static final  int mkey5 = 53;

    public static final  int mkey6 = 54;

    public static final  int mkey7 = 55;

    public static final  int mkey8 = 56;

    public static final  int mkey9 = 57;

    

    

    

    protected void paint(Graphics arg0) {

        // TODO Auto-generated method stub

        

    }



    /**

     *  键按下时的操作

     */

    protected void keyPressed(int keyCode) {

        // TODO Auto-generated method stub

        System.out.println("keyCode=" + keyCode);

        super.keyPressed(keyCode);

    }

    

    /**

     *  按键释放时的操作

     */

    protected void keyReleased(int keyCode) {

        // TODO Auto-generated method stub

        super.keyReleased(keyCode);

    }

}