commandtest.java

来自「J2ME手机游戏开发技术详解随书光盘」· Java 代码 · 共 41 行

package commandTest;
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
public class commandTest extends MIDlet implements CommandListener
{
        private Display display;
        private commandTestCanvas 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 commandTest()
        {
        	myCanvas = new commandTestCanvas();
                display = Display.getDisplay(this);
                
  
                myCanvas.addCommand(okCmd);
                myCanvas.addCommand(backCmd);
                myCanvas.addCommand(exitCmd); 
                myCanvas.setCommandListener(this);
        }  
        public void startApp()
        {
                 display.setCurrent(myCanvas);
        }
        public void pauseApp()
        {
        }
        public void destroyApp(boolean unconditional)
        {
        }
        public void commandAction(Command cmd, Displayable disp) {
        System.out.println("command");
        if(cmd == exitCmd){
        destroyApp(false);
        notifyDestroyed();

        }               
        }
}