工具类：MediaPlayer播放音频

第一种：

import android.content.Context;
import android.content.res.AssetFileDescriptor;
import android.content.res.AssetManager;
import android.media.MediaPlayer;
import android.util.Log;

/**
*https://github.com/l123456789jy/Lazy/blob/master/lazylibrary/src/main/java/com/github/lazylibrary/u*til/MediaPlayerUtiles.java
*/
public class MediaPlayerUtiles {
    static MediaPlayer mMediaPlayer;


    public static MediaPlayer getMediaPlayer() {
        if (null == mMediaPlayer) {
            mMediaPlayer = new MediaPlayer();
        }

        return mMediaPlayer;
    }


    /**
     * 播放音频
     */
    public static void playAudio(Context mContext, String fileName) {
        try {
            stopAudio();//如果正在播放就停止
            AssetManager assetManager = mContext.getAssets();
            AssetFileDescriptor afd = assetManager.openFd(fileName);
            MediaPlayer mediaPlayer = getMediaPlayer();
            mediaPlayer.setDataSource(afd.getFileDescriptor(), afd.getStartOffset(), afd.getLength());
            mediaPlayer.setLooping(false);//循环播放
            mediaPlayer.prepare();
            mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
                @Override public void onPrepared(MediaPlayer mediaPlayer) {
                    mediaPlayer.start();
                }
            });
        } catch (Exception e) {
            Log.e("播放音频失败","");
        }
    }


    /**
     * 停止播放音频
     */
    public static void stopAudio(){
        try {
            if (null!=mMediaPlayer){
                if (mMediaPlayer.isPlaying()){
                    mMediaPlayer.pause();
                    mMediaPlayer.reset();
                    mMediaPlayer.stop();
                }
            }
        }catch (Exception e){
            Log.e("stopAudio",e.getMessage());
        }
    }

}

第二种

import android.media.AudioManager;
import android.media.MediaPlayer;

import java.io.IOException;

/**
 * Created by cooffee on 15/10/20.
 */
public class MediaManager {

    private static MediaPlayer mMediaPlayer;

    private static boolean isPause;

    public static void playSound(String filePath, MediaPlayer.OnCompletionListener onCompletionListener) {
        if (null == mMediaPlayer) {
            mMediaPlayer = new MediaPlayer();
            mMediaPlayer.setOnErrorListener(new MediaPlayer.OnErrorListener() {
                @Override
                public boolean onError(MediaPlayer mp, int what, int extra) {
                    mMediaPlayer.reset();
                    return false;
                }
            });
        } else {
            mMediaPlayer.reset();
        }

        try {
            mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
            mMediaPlayer.setOnCompletionListener(onCompletionListener);
            mMediaPlayer.setDataSource(filePath);
            mMediaPlayer.prepare();
            mMediaPlayer.start();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void pause() {
        if (mMediaPlayer != null && mMediaPlayer.isPlaying()) {
            mMediaPlayer.pause();
            isPause = true;
        }
    }

    public static void resume() {
        if (mMediaPlayer != null) {
            mMediaPlayer.start();
            isPause = false;
        }
    }

    public static void release() {
        if (mMediaPlayer != null) {
            mMediaPlayer.release();
            mMediaPlayer = null;
        }
    }

}