demomidlet.java

来自「3D手机游戏开发实例源代码」· Java 代码 · 共 42 行

import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
public class DemoMIDlet extends MIDlet implements CommandListener
{
        private Display display;
        private DemoCanvas myCanvas;
        private Command  exitCmd = new Command(" 退出", Command.SCREEN, 1);
        private Command  okCmd = new Command("确定", Command.SCREEN, 1);
        private Command  backCmd = new Command("后退", Command.SCREEN, 1);
        public DemoMIDlet()
        {
        	      myCanvas = new DemoCanvas();
                myCanvas.addCommand(okCmd);
                myCanvas.addCommand(backCmd);
                myCanvas.addCommand(exitCmd); 
                myCanvas.setCommandListener(this);
                display = Display.getDisplay(this);
        }  
        public void startApp()
        {
                 display.setCurrent(myCanvas);
        }
        public void pauseApp()
        {
        }
        public void destroyApp(boolean unconditional)
        {
        }
        public void commandAction(Command cmd, Displayable disp) {
        if(cmd == exitCmd){
        destroyApp(false);
        notifyDestroyed();
        } else if(cmd == okCmd){
        	System.out.println("OK Command Pressed");

        }else if(cmd == backCmd){
        	System.out.println("Back Command Pressed");

        }                 
        }
}