android音乐播放器（歌词同步）

package MyMusicPlayer.hqh; import java.io.FileNotFoundException; import java.io.IOException; import java.util.ArrayList; import java.util.List; 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; import android.widget.ImageButton; public class MyMusicPlayerAct extends Activity { /** Called when the activity is first created. */ private ImageButton playOrPauseBtn;//播放或者暂停按钮 private MediaPlayer mMediaPlayer;//MediaPlayer对象 private Button ExitBtn; //退出按钮 private boolean isPlaying;//是否播放 private boolean ispause = false;//是否播放 private LrcRead mLrcRead; private LyricView mLyricView; private int CurrentTime=0; private int CountTime=0; private List<LyricContent> LyricList = new ArrayList<LyricContent>(); @Override public void onCreate(Bundle savedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.main); SysApplication.getInstance().addActivity(this); init(); try { mLrcRead.Read("sdcard/aix.lrc"); } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } //放置歌词 LyricList = mLrcRead.GetLyricContent(); mLyricView.setSentenceEntities(LyricList); mHandler.post(mRunnable); OnClickListener btnlistener = new OnClickListener() { public void onClick(View v) { playOrPauseMusic("sdcard/aix.mp3"); } }; OnClickListener exitlistener = new OnClickListener() { public void onClick(View v) { SysApplication.getInstance().exit(); } }; playOrPauseBtn.setOnClickListener(btnlistener); ExitBtn.setOnClickListener(exitlistener); } private void playOrPauseMusic(String msrc){ isPlaying = mMediaPlayer.isPlaying(); try { if (isPlaying) { mMediaPlayer.pause();//暂停 ispause = true; playOrPauseBtn.setImageResource(R.drawable.play);//设置为播放按钮 } else { if (ispause) { mMediaPlayer.start(); } else { mMediaPlayer.reset(); mMediaPlayer.setDataSource(msrc); mMediaPlayer.prepare(); mMediaPlayer.start(); ispause = false; } playOrPauseBtn.setImageResource(R.drawable.pause); } } catch (IllegalArgumentException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } catch (IllegalStateException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } catch (IOException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } //初始化 private void init(){ //player = MediaPlayer.create(this, R.raw.lwaq); mMediaPlayer = new MediaPlayer(); mLrcRead=new LrcRead(); playOrPauseBtn = (ImageButton) findViewById(R.id.playbtn); ExitBtn = (Button) findViewById(R.id.exitbtn); mLyricView=(LyricView)findViewById(R.id.LyricShow); } Handler mHandler=new Handler(); Runnable mRunnable= new Runnable() { public void run() { mLyricView.SetIndex(getindex()); mLyricView.invalidate(); mHandler.postDelayed(mRunnable, 100); } }; public int getindex() { if(mMediaPlayer.isPlaying()) { CurrentTime=mMediaPlayer.getCurrentPosition(); CountTime=mMediaPlayer.getDuration(); } int index = 0; if (CurrentTime < CountTime) { for(int i = 0; i < LyricList.size(); i++) { if (i<LyricList.size()-1) { if(CurrentTime < LyricList.get(i).getLyricTime() && i == 0) index = i; if(CurrentTime > LyricList.get(i).getLyricTime() && CurrentTime < LyricList.get(i + 1).getLyricTime()) index = i; } if (i == LyricList.size()-1 && CurrentTime > LyricList.get(i).getLyricTime()) { index=i; } } } return index; } }