音乐播放器实现歌词同步

项目中音乐播放器实现歌词同步思路:
1.读取LRC歌词文件信息
2.将歌词时间段和对应时间段歌词保存至两个数组中，
3.按时间顺序对两个数组进行排序
核心代码如下:

public class SongWord{
public String[] time;
public String[] songWord;
  
  public long[] songTime;private UIController m_uicontroller;
private static SongWord SONGPLAYER = null;
  
  private Displayable dis;
  
  public Displayable getDis() {
   return dis;
  }public void setDis(Displayable dis) {
   this.dis = dis;
  }public static SongWord getInstance(UIController uicontroller) {
   if (SONGPLAYER == null) {
    SONGPLAYER = new SongWord(uicontroller);
   }
   return SONGPLAYER;
  }private SongWord(UIController uicontroller) {
   this.m_uicontroller = uicontroller;
  }public void readFiles(String url) {
 String musicUrl = url;
   String temp = musicUrl.substring(0, musicUrl.length() - 3);
   String fileUrl = temp + "lrc"; Vector vc = new Vector();
   try {
    FileConnection fc = (FileConnection) Connector.open("file://"
      + fileUrl);
    InputStream in = fc.openInputStream();  StringBuffer buffer = new StringBuffer();
  int ch;
    while ((ch = in.read()) != -1) {
     if (ch != '\n') {// && ch != '\r'
      buffer.append((char) ch);
     } else {
      String line = new String(buffer.toString().getBytes(),"gbk");    if (line.charAt(0) == '[' && line.charAt(1) == '0') {
       vc.addElement(line);
      }
      buffer = new StringBuffer();
     }
    }
    
   } catch (Exception e) {
    m_uicontroller.setCurrent(
      new MessageAlert("警告", "读文件出错！", dis,m_uicontroller));e.printStackTrace();
   } outputVector(vc);
  }public void outputVector(Vector vc) {
 int length = 0;
   for (int i = 0; i < vc.size(); i++) {
    String line = (String) vc.elementAt(i);
    int count = getCount(line);
    length = length + count;
   } songWord = new String[length];
   songTime = new long[length]; int k = 0;
   for (int i = 0; i < vc.size(); i++) {
    String line = (String) vc.elementAt(i);
    int count = getCount(line);
    if (count == 1) {
     songTime[k] = getTime(line.substring(1, 9));
     songWord[k] = line.substring(10);
    } else if (count == 2) {
     songTime[k] = getTime(line.substring(1, 9));
     songWord[k] = line.substring(20);
     k = k + 1;
     songTime[k] = getTime(line.substring(11, 19));
     songWord[k] = line.substring(20);
    } else if (count == 3) {
     songTime[k] = getTime(line.substring(1, 9));
     songWord[k] = line.substring(30);
     k = k + 1;
     songTime[k] = getTime(line.substring(11, 19));
     songWord[k] = line.substring(30);
     k = k + 1;
     songTime[k] = getTime(line.substring(21, 29));
     songWord[k] = line.substring(30);
    } else if (count == 4) {
     songTime[k] = getTime(line.substring(1, 9));
     songWord[k] = line.substring(40);
     k = k + 1;
     songTime[k] = getTime(line.substring(11, 19));
     songWord[k] = line.substring(40);
     k = k + 1;
     songTime[k] = getTime(line.substring(21, 29));
     songWord[k] = line.substring(40);
     k = k + 1;
     songTime[k] = getTime(line.substring(31, 39));
     songWord[k] = line.substring(40);
    }
    k++;
   } //putInfo(songTime, songWord);
 // 排序
   sort(songTime, songWord);
   
   //putInfo(songTime, songWord);}
public void putInfo(long[] songTime,String[] songWorld) {
   for (int i = 0; i < songTime.length; i++) {
    System.out.println("songTime[" + i + "]" + songTime[i]);
    System.out.println("songWord[" + i + "]" + songWord[i]);
   }
  }// 排序
  public void sort(long[] values, String[] songWord) {
   long temp;
   String tempWord;
   for (int i = 0; i < values.length; ++i) {
    for (int j = 0; j < values.length - i - 1; ++j) {
     if (values[j] > values[j + 1]) {
      temp = values[j];
      tempWord = songWord[j];
      values[j] = values[j + 1];
      songWord[j] = songWord[j + 1];
      values[j + 1] = temp;
      songWord[j + 1] = tempWord;
     }
    }
   }
  }// 将时间转化为微秒作为数组返回
  public long getTime(String line) {
   String m = line.substring(0, 2);
   String s = line.substring(3, 5); long secTime = Integer.parseInt(m) * 60 + Integer.parseInt(s);
   long nTime = secTime * 1000000;
   return nTime;
  }public int getCount(String line) {
   int count = 0;
   int length = line.length();
   for (int i = 0; i < length; i++) {
    if (line.charAt(i) == '[') {
     count++;
    }
   }
   return count;
  }
 }