Android MediaPlayer工具类

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package com.android.imooc.chat;import java.io.IOException;import android.media.AudioManager;import android.media.MediaPlayer;import android.media.MediaPlayer.OnCompletionListener;import android.media.MediaPlayer.OnErrorListener;/** * @描述 声音控制类 * @项目名称 App_imooc * @包名 com.android.imooc.chat * @类名 MediaHelper * @author chenlin * @date 2013年6月17日 下午10:46:01 * @version 1.0 */public class MediaHelper {    private static MediaPlayer mPlayer;    private static boolean isPause = false;    public static void playSound(String filePath, OnCompletionListener listener) {        if (mPlayer == null) {            mPlayer = new MediaPlayer();        } else {            mPlayer.reset();        }        mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);        mPlayer.setOnCompletionListener(listener);        mPlayer.setOnErrorListener(new OnErrorListener() {            @Override            public boolean onError(MediaPlayer mp, int what, int extra) {                mPlayer.reset();                return false;            }        });        try {            mPlayer.setDataSource(filePath);            mPlayer.prepare();        } catch (IllegalArgumentException e) {            e.printStackTrace();        } catch (SecurityException e) {            e.printStackTrace();        } catch (IllegalStateException e) {            e.printStackTrace();        } catch (IOException e) {            throw new RuntimeException("读取文件异常：" + e.getMessage());        }        mPlayer.start();        isPause = false;    }    public static void pause() {        if (mPlayer != null && mPlayer.isPlaying()) {            mPlayer.pause();            isPause = true;        }    }    // 继续    public static void resume() {        if (mPlayer != null && isPause) {            mPlayer.start();            isPause = false;        }    }    public static void release() {        if (mPlayer != null) {            mPlayer.release();            mPlayer = null;        }    }}
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