j2me 1

import javax.microedition.lcdui.AlertType;import javax.microedition.lcdui.Command;import javax.microedition.lcdui.CommandListener;import javax.microedition.lcdui.Display;import javax.microedition.lcdui.Displayable;import javax.microedition.lcdui.Form;import javax.microedition.lcdui.TextBox;import javax.microedition.midlet.MIDlet;import javax.microedition.midlet.MIDletStateChangeException;public class gameStart extends MIDlet implements CommandListener{public Command c1;public Command c2;public Display d;public Form f;public TextBox tb;public gameStart(){d=Display.getDisplay(this);}public void destroyApp(boolean arg0) throws MIDletStateChangeException {}public void pauseApp() {}public void startApp() throws MIDletStateChangeException {Form f=new Form("声音测试");f.addCommand(new Command("警报", Command.SCREEN, 1));f.addCommand(new Command("警报2", Command.SCREEN, 1));f.addCommand(new Command("警报3", Command.SCREEN, 1));f.addCommand(new Command("警报4", Command.SCREEN, 1));f.setCommandListener(this);d.setCurrent(f);}public void commandAction(Command c, Displayable ds) {String cmd=c.getLabel();if(cmd.equals("警报2")){AlertType.ALARM.playSound(d);}else if(cmd.equals("警报4")){AlertType.WARNING.playSound(d);}}}