alertshowdemo.java

J2ME手机游戏开发技术详解,适合初学者阅读使用

import javax.microedition.lcdui.*;
import javax.microedition.midlet.MIDlet;
public class AlertShowDemo
    extends MIDlet implements CommandListener{
    private Command CMD_EXIT=new Command("Exit",Command.EXIT,1);

    private Display display;
   // private Form mainForm;
    private Alert alert;
    public AlertShowDemo() {
    	display = Display.getDisplay(this);
     //   alert = new Alert("Alert 演示","将Alert设置为模态",null,AlertType.INFO);
    //      alert = new Alert("Alert 演示","显示过程的内容也能将Alert变成模态。显示过程的内容也能将Alert变成模态。显示过程的内容也能将Alert变成模态。显示过程的内容也能将Alert变成模态。显示过程的内容也能将Alert变成模态。显示过程的内容也能将Alert变成模态。显示过程的内容也能将Alert变成模态。显示过程的内容也能将Alert变成模态。显示过程的内容也能将Alert变成模态。显示过程的内容也能将Alert变成模态。显示过程的内容也能将Alert变成模态。显示过程的内容也能将Alert变成模态。显示过程的内容也能将Alert变成模态。显示过程的内容也能将Alert变成模态。显示过程的内容也能将Alert变成模态。",null,AlertType.INFO);
   //     alert.setTimeout(Alert.FOREVER);
        alert = new Alert("Alert 演示","将Alert添加Command",null,AlertType.INFO);
        alert.addCommand(CMD_EXIT);
        alert.setCommandListener(this); 
     /*   mainForm = new Form("AlertType演示播放声音");
        mainForm.addCommand(CMD_EXIT);
        mainForm.setCommandListener(this);   
    */
    
    }
    protected void startApp() {
        display.setCurrent(alert);
    }
    protected void destroyApp(boolean unconditional) {
    }
    protected void pauseApp() {
    }
    public void commandAction(Command c, Displayable s) {

	if (c == CMD_EXIT){
	    destroyApp(false);
	    notifyDestroyed();	
        }
    }
}