第二阶段冲刺第一天

今天是任务分配和确立目标，万蓓蓓负责实现定位打卡功能，张根源和胡铁丞负责页面优化，活力值排行和代码整合，还剩九天


`package com.example.yibaifen;

import android.content.Context;
import android.content.Intent;

public class MusicController {

private Context context;
private boolean isMusicPlaying;

public MusicController(Context context) {
this.context = context;
this.isMusicPlaying = false;
}

public void toggleMusic() {
if (isMusicPlaying) {
stopMusic();
} else {
startMusic();
}
}

private void startMusic() {
Intent musicServiceIntent = new Intent(context, MusicService.class);
context.startService(musicServiceIntent);
isMusicPlaying = true;
}

private void stopMusic() {
Intent musicServiceIntent = new Intent(context, MusicService.class);
context.stopService(musicServiceIntent);
isMusicPlaying = false;
}

public boolean isMusicPlaying() {
return isMusicPlaying;
}
}
`