public class LyricObject {
public int begintime; // 开始时间
public int endtime; // 结束时间
public int timeline; // 单句歌词用时
public String lrc; // 单句歌词
}

import java.io.IOException;
import android.app.Activity;
import android.media.MediaPlayer;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
public class MainActivity extends Activity {
/** Called when the activity is first created. */
private LyricView lyricView;
private MediaPlayer mediaPlayer;
private Button button;
private SeekBar seekBar;
private String mp3Path;
private int INTERVAL=45;//歌词每行的间隔
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// this.requestWindowFeature(Window.FEATURE_NO_TITLE);
// getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.main);
mp3Path = Environment.getExternalStorageDirectory().getAbsolutePath() + "/LyricSync/1.mp3";
lyricView = (LyricView) findViewById(R.id.mylrc);
mediaPlayer = new MediaPlayer();
// this.requestWindowFeature(Window.FEATURE_NO_TITLE);
ResetMusic(mp3Path);
SerchLrc();
lyricView.SetTextSize();
button = (Button) findViewById(R.id.button);
button.setText("播放");
seekBar = (SeekBar) findViewById(R.id.seekbarmusic);
seekBar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
@Override
public void onProgressChanged(SeekBar seekBar, int progress,
boolean fromUser) {
// TODO Auto-generated method stub
if (fromUser) {
mediaPlayer.seekTo(progress);
lyricView.setOffsetY(220 - lyricView.SelectIndex(progress)
* (lyricView.getSIZEWORD() + INTERVAL-1));
}
}
});
button.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if (mediaPlayer.isPlaying()) {
button.setText("播放");
mediaPlayer.pause();
} else {
button.setText("暂停");
mediaPlayer.start();
lyricView.setOffsetY(220 - lyricView.SelectIndex(mediaPlayer.getCurrentPosition())
* (lyricView.getSIZEWORD() + INTERVAL-1));
}
}
});
mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
ResetMusic(mp3Path);
lyricView.SetTextSize();
lyricView.setOffsetY(200);
mediaPlayer.start();
}
});
seekBar.setMax(mediaPlayer.getDuration());
new Thread(new runable()).start();
}
public void SerchLrc() {
String lrc = mp3Path;
lrc = lrc.substring(0, lrc.length() - 4).trim() + ".lrc".trim();
LyricView.read(lrc);
lyricView.SetTextSize();
lyricView.setOffsetY(350);
}
public void ResetMusic(String path) {
mediaPlayer.reset();
try {
mediaPlayer.setDataSource(mp3Path);
mediaPlayer.prepare();
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
class runable implements Runnable {
@Override
public void run() {
// TODO Auto-generated method stub
while (true) {
try {
Thread.sleep(100);
if (mediaPlayer.isPlaying()) {
lyricView.setOffsetY(lyricView.getOffsetY() - lyricView.SpeedLrc());
lyricView.SelectIndex(mediaPlayer.getCurrentPosition());
seekBar.setProgress(mediaPlayer.getCurrentPosition());
mHandler.post(mUpdateResults);
}
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
Handler mHandler = new Handler();
Runnable mUpdateResults = new Runnable() {
public void run() {
lyricView.invalidate(); // 更新视图
}
};
}

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Iterator;
import java.util.TreeMap;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
public class LyricView extends View{
private static TreeMap lrc_map;
private float mX; //屏幕X轴的中点，此值固定，保持歌词在X中间显示
private float offsetY; //歌词在Y轴上的偏移量，此值会根据歌词的滚动变小
private static boolean blLrc=false;
private float touchY; //当触摸歌词View时，保存为当前触点的Y轴坐标
private float touchX;
private boolean blScrollView=false;
private int lrcIndex=0; //保存歌词TreeMap的下标
private int SIZEWORD=0;//显示歌词文字的大小值
private int INTERVAL=45;//歌词每行的间隔
Paint paint=new Paint();//画笔，用于画不是高亮的歌词
Paint paintHL=new Paint(); //画笔，用于画高亮的歌词，即当前唱到这句歌词
public LyricView(Context context){
super(context);
init();
}
public LyricView(Context context, AttributeSet attrs) {
super(context, attrs);
init();
}
/* (non-Javadoc)
* @see android.view.View#onDraw(android.graphics.Canvas)
*/
@Override
protected void onDraw(Canvas canvas) {
if(blLrc){
paintHL.setTextSize(SIZEWORD);
paint.setTextSize(SIZEWORD);
LyricObject temp=lrc_map.get(lrcIndex);
canvas.drawText(temp.lrc, mX, offsetY+(SIZEWORD+INTERVAL)*lrcIndex, paintHL);
// 画当前歌词之前的歌词
for(int i=lrcIndex-1;i>=0;i--){
temp=lrc_map.get(i);
if(offsetY+(SIZEWORD+INTERVAL)*i