messagealert.java

简单的MP3播放器

package com.wootion.player;

import javax.microedition.lcdui.Alert;
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 com.wootion.mainMidlet.MainMidlet;
import com.wootion.ui.PlayerUI;

public class MessageAlert extends Alert implements CommandListener{
	private Command confirm;
	private Displayable dis;

	public MessageAlert(String title,String message,Displayable dis) {
		super(title);
		this.dis = dis;
		setType(AlertType.INFO);
		setString(message);
		setTimeout(Alert.FOREVER);
		confirm = new Command("确定",Command.OK,1);
		addCommand(confirm);
		setCommandListener(this);

	}

	public void commandAction(Command command, Displayable displayable) {
		if(command == confirm){
			if(dis == null){
				Display.getDisplay(MainMidlet.getInstance()).setCurrent(new PlayerUI());
			}else{
				Display.getDisplay(MainMidlet.getInstance()).setCurrent(dis);
			}
		}
		
	}

}