canvas.drawText((String) mWordsList.get(mIndex), mX, mMiddleY, p2);

int alphaValue = 25;
float tempY = mMiddleY;
for (int i = mIndex - 1; i >= 0; i--) {
tempY -= DY;
if (tempY < 0) {
break;
}
p.setColor(Color.argb(255 - alphaValue, 245, 245, 245));
canvas.drawText((String) mWordsList.get(i), mX, tempY, p);
alphaValue += 25;
}
alphaValue = 25;
tempY = mMiddleY;
for (int i = mIndex + 1, len = mWordsList.size(); i < len; i++) {
tempY += DY;
if (tempY > mY) {
break;
}
p.setColor(Color.argb(255 - alphaValue, 245, 245, 245));
canvas.drawText((String) mWordsList.get(i), mX, tempY, p);
alphaValue += 25;
}
mIndex++;
}

@Override
protected void onSizeChanged(int w, int h, int ow, int oh) {
super.onSizeChanged(w, h, ow, oh);

mX = w * 0.5f;
mY = h;
mMiddleY = h * 0.3f;
}

@SuppressLint("SdCardPath")
private void init() throws IOException {
setFocusable(true);

LrcHandle lrcHandler = new LrcHandle();
lrcHandler.readLRC("/sdcard/aa.lrc");
mWordsList = lrcHandler.getWords();

mLoseFocusPaint = new Paint();
mLoseFocusPaint.setAntiAlias(true);
mLoseFocusPaint.setTextSize(22);
mLoseFocusPaint.setColor(Color.WHITE);
mLoseFocusPaint.setTypeface(Typeface.MONOSPACE);

mOnFocusePaint = new Paint();
mOnFocusePaint.setAntiAlias(true);
mOnFocusePaint.setColor(Color.YELLOW);
mOnFocusePaint.setTextSize(40);
mOnFocusePaint.setTypeface(Typeface.SANS_SERIF);
}
}

MainActivity.java:

package com.example.welcome;

import java.io.IOException;
import java.util.List;

import android.R.integer;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class MainActivity extends Activity {
private WordView mWordView;
private List mTimeList;
private MediaPlayer mPlayer;

@SuppressLint("SdCardPath")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

Button button = (Button) findViewById(R.id.button);
button.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mPlayer.stop();
finish();
}
});

mWordView = (WordView) findViewById(R.id.text);
mPlayer = new MediaPlayer();
mPlayer.reset();
LrcHandle lrcHandler = new LrcHandle();
try {
lrcHandler.readLRC("/sdcard/aa.lrc");
mTimeList = lrcHandler.getTime();
mPlayer.setDataSource("/sdcard/e.mp3");
mPlayer.prepare();
} catch (IOException e) {
e.printStackTrace();
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (SecurityException e) {
e.printStackTrace();
} catch (IllegalStateException e) {
e.printStackTrace();
}
final Handler handler = new Handler();
mPlayer.start();
new Thread(new Runnable() {
int i = 0;