helpform.java

简单的MP3播放器

package com.wootion.ui;

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 com.wootion.mainMidlet.MainMidlet;

public class HelpForm extends Form implements CommandListener {
	private Command back;

	PlayerUI pui;

	String help = "高品质MP3播放器，支持音乐格式mp3|mid|wav|amr。支持播放列表管理。 \n按键说明：左右键调节音量大小，上下键选择列表中的歌曲，中间确认键立即播放选中歌曲，键2暂停和播放，键4退，键6快进，键8停止。\n刘长雷--华通科技有限公司";

	public HelpForm(Displayable dis) {
		super("帮助说明");
		this.pui = (PlayerUI) dis;
		back = new Command("返回", Command.BACK, 1);
		append(help);
		addCommand(back);
		setCommandListener(this);

	}

	public void commandAction(Command command, Displayable displayable) {
		if (command == back) {
			// Display.getDisplay(MainMIDlet.getInstance()).setCurrent(new
			// MainCanvas());
			Display.getDisplay(MainMidlet.getInstance()).setCurrent(pui);
		}

	}

}