startform.java

J2ME的星座程序

package xingzuo;

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

public class startForm extends Form implements CommandListener {
  private static Command exitCmd;
  private static Command okCmd;
  private Image startImage;
  //显示程序的启动画面//
  public startForm() {
    super("");
    okCmd = new Command("进入", Command.OK, 1);
    exitCmd = new Command("离开", Command.EXIT, 1);
    startImage = mainClass.createImage("/picRes/logo.png");
    this.addCommand(okCmd);
    this.addCommand(exitCmd);
    this.setCommandListener(this);
    this.append(new ImageItem(null,
                              startImage,
                              ImageItem.LAYOUT_CENTER,
                              null)) ;
    //this.append("    ---------------------\n");
    //this.append("         星座 \n");
    //this.append("          版本: 1.0\n");
    //this.append("    ---------------------\n");
    Display.getDisplay(mainClass.instance).setCurrent(this);

  }
  public void commandAction(Command command, Displayable displayable) {
    if (command == okCmd)
     mainClass.ShowMainMenu();
   if (command == exitCmd)
     mainClass.quitApp();
  }
}