android中MediaPlayer和SoundPool的声音管理
import java.util.HashMap;
import yoyo.activity.CrazyActivity;
import yoyo.activity.R;
import android.content.Context;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.SoundPool;
/***
* @time 2011-10-16 12:03:15
* @author YangWenwei
* @声音播放管理器
*/
public class MediaManager {
/**
* 声音开关 背景音乐
*/
private boolean blnOpenBgSound;
/**
* 声音开关 特效音乐
*/
private boolean blnOpenEffectSound;
/**
* media 背景音乐
*/
public static final int STATIC_MEDIA_TYPE_BGSOUND = 0;
public static final int STATIC_MEDIA_TYPE_COUNT = STATIC_MEDIA_TYPE_BGSOUND + 1;
private int[] mediaListID = {
R.raw.backsound
};
/**
* sound
*/
public static final int STATIC_SOUND_TYPE_DINGDONG = 0;
public static final int STATIC_SOUND_TYPE_COUNT = STATIC_SOUND_TYPE_DINGDONG + 1;
private int[] soundListID = {
R.raw.dingdong
};
private final int maxStreams = 10; //streamType音频池的最大音频流数目为10
private final int srcQuality = 100;
private final int soundPriority = 1;
private final float soundSpeed = 1f;//播放速度 0.5 -2 之间
/**
* 游戏音效
*/
private SoundPool soundPool;
private HashMap <Integer, Integer> soundPoolMap;
private HashMap <Integer, MediaPlayer> mediaMap;
private static MediaManager mediaManager;
private MediaManager(){
initMediaPlayer();
initSoundPool();
}
/***
* 实例MediaManager
* @return
*/
public static MediaManager getInstance(){
if(mediaManager == null){
mediaManager = new MediaManager();
}
return mediaManager;
}
/***
* 是否开启背景音乐
*/
public void setOpenBgState(boolean bgSound){
blnOpenBgSound = bgSound;
if(!bgSound && mediaMap != null){
for (int i = 0; i < mediaMap.size(); i++) {
mediaMap.get(i).pause();
}
}
}
/***
* 是否开启特效音乐
*/
public void setOpenEffectState(boolean effectSound){
blnOpenEffectSound = effectSound;
if(!effectSound && soundPoolMap != null){
for (int i = 0; i < soundPoolMap.size(); i++) {
soundPool.pause(soundPoolMap.get(i));
}
}
}
private void initMediaPlayer(){
mediaMap = new HashMap<Integer, MediaPlayer>();
for (int i = 0; i < STATIC_SOUND_TYPE_COUNT; i++) {
MediaPlayer mediaPlayer = MediaPlayer.create(CrazyActivity.getInstence(), mediaListID[i]);
mediaMap.put(i, mediaPlayer);
}
}
private void initSoundPool(){
soundPool = new SoundPool(maxStreams, AudioManager.STREAM_MUSIC, srcQuality);
soundPoolMap = new HashMap<Integer, Integer>();
for (int i = 0; i < STATIC_SOUND_TYPE_COUNT; i++) {
soundPoolMap.put(i, soundPool.load(CrazyActivity.getInstence(), soundListID[i], soundPriority));
}
}
/**
* 播放MediaPlayer音乐
*/
public void playMedia(int mediaType){
if(!blnOpenBgSound){
return;
}
MediaPlayer mediaPlayer = mediaMap.get(mediaType);
if(!mediaPlayer.isPlaying()){
mediaPlayer.start();
}
}
/**
* 暂停MediaPlayer音乐
*/
public void pauseMedia(int mediaType){
MediaPlayer mediaPlayer = mediaMap.get(mediaType);
if(mediaPlayer.isPlaying()){
mediaPlayer.pause();
}
}
/**
* 播放soundPlayer音乐
*/
public void playSound(int soundID, int loop){
if(!blnOpenEffectSound){
return;
}
AudioManager audioManager = (AudioManager)CrazyActivity.getInstence().getSystemService(Context.AUDIO_SERVICE);
float streamVolumeCurrent = audioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
float streamVolumeMax = audioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
float volume = streamVolumeCurrent / streamVolumeMax;
soundPool.play(soundPoolMap.get(soundID), volume, volume, soundPriority, loop, soundSpeed);
}
/**
* 播放soundPlayer音乐
*/
public void pauseSound(int soundID){
soundPool.pause(soundPoolMap.get(soundID));
}
}
在使用过程中给出用法
//初始化游戏声音
MediaManager.getInstance();//可以做为初始化
//播放MediaPlayer音频
MediaManager.getInstance().playMedia(MediaManager.STATIC_MEDIA_TYPE_BGSOUND);
//播放soundPool音频
MediaManager.getInstance().playSound(MediaManager.STATIC_SOUND_TYPE_DINGDONG);
