package com.example.asyncplayer_ex;import java.io.IOException;
import java.util.ArrayList;import javax.security.auth.PrivateCredentialPermission;import android.app.Activity;
import android.drm.DrmStore.Playback;
import android.media.AsyncPlayer;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;public class MainActivity extends Activity {private static final String TAG = "MP3";private AsyncPlayer asyncPlayer = new AsyncPlayer(null); private String path;private MediaPlayer mediaPlayer;private int songIndex = 0;private ArrayList<String> songArrayList; //播放声音列表
    @Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);mediaPlayer = new MediaPlayer();mediaPlayer.setOnCompletionListener(new CompletionListener());path = Environment.getExternalStorageDirectory().toString() + "/mp3/Voice/";songArrayList = new ArrayList<String>();songArrayList.add(path + "1.MP3");songArrayList.add(path + "2.MP3");songArrayList.add(path + "3.MP3");songArrayList.add(path + "4.MP3");songArrayList.add(path + "5.MP3");songArrayList.add(path + "6.MP3");songplay();        }private final class CompletionListener implements OnCompletionListener{@Overridepublic void onCompletion(MediaPlayer mp) {nextsong();            }        }private void nextsong() {if (songIndex < songArrayList.size() - 1) {    songIndex = songIndex + 1;songplay();            }else {songArrayList.clear();songIndex = 0;}}private void songplay() {try {mediaPlayer.reset();mediaPlayer.setDataSource(songArrayList.get(songIndex));mediaPlayer.prepare();mediaPlayer.start();} catch (IllegalArgumentException e) {// TODO Auto-generated catch block
            e.printStackTrace();} catch (SecurityException 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();}}@Overrideprotected void onDestroy() {mediaPlayer.release();mediaPlayer = null;super.onDestroy();}
}