playcontrol.java

简单的MP3播放器

package com.wootion.ui;

import javax.microedition.lcdui.Choice;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.List;

import com.wootion.control.Parameter;
import com.wootion.mainMidlet.MainMidlet;
import com.wootion.rms.PlayListRMS;

public class PlayControl extends List implements CommandListener {
	Displayable dis;

	PlayListRMS plr = new PlayListRMS();
	Command ok;

	Command cancel;

	String option[] = Parameter.option;

	public PlayControl(Displayable dis) {
		super("播放控制选项", Choice.EXCLUSIVE);
		this.dis = dis;
		for (int i = 0; i < option.length; i++) {
			append(option[i], null);
		}
		this.setSelectedIndex(Parameter.playControl , true);
		ok = new Command("确定", Command.OK, 1);
		cancel = new Command("返回", Command.CANCEL, 1);
		addCommand(ok);
		addCommand(cancel);
		setCommandListener(this);
	}

	public void commandAction(Command command, Displayable arg1) {
		int index = this.getSelectedIndex();
		if (command == ok) {
			switch (index) {
				case 0:
					Parameter.playControl = 0; 
					plr.modParameter(Parameter.pRms, Parameter.pcid, 0);
					break;
				case 1:
					Parameter.playControl = 1;
					plr.modParameter(Parameter.pRms, Parameter.pcid, 1);
					break;
				case 2:
					Parameter.playControl = 2; 
					plr.modParameter(Parameter.pRms, Parameter.pcid, 2);
					break;
				case 3:
					Parameter.playControl = 3;
					plr.modParameter(Parameter.pRms, Parameter.pcid, 3);
					break;
			}
			Display.getDisplay(MainMidlet.getInstance()).setCurrent(dis); 
		}
		if (command == cancel) {
			Display.getDisplay(MainMidlet.getInstance()).setCurrent(dis); 
		}

	}

}