嗨，我在这里做一个游戏，我需要在画廊中显示 100 张图像，同时在这个图像中，我需要播放与图像相关的声音，我使用 sounpool 进行音乐播放。我正确地播放了声音但是我的问题是在画廊滚动时间，当我将 1 张图像移动到 2 张图像时，这两个声音都是 1 张图像，2 张与图像相关的声音正在播放。如何解决这个问题，请任何人建议我..
Gallerynew .class:
public class Gallerynew extends Activity implements OnItemSelectedListener{
public boolean Visibility=true;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
SoundManager.getInstance();
SoundManager.initSounds(this);
SoundManager.playSound(1, 1);
Gallery g=(Gallery)findViewById(R.id.gallery);
g.setAdapter(new ImageAdapter(this));
g.setSpacing(10);
g.setOnItemSelectedListener(this);
}
public class ImageAdapter extends BaseAdapter {
private Context myContext;
private int[] myImageIds = {
R.drawable.bokstavslottet01,
R.drawable.bokstavslottet02,
R.drawable.bokstavslottet03,
R.drawable.bokstavslottet04,
R.drawable.bokstavslottet05,
R.drawable.bokstavslottet06,
R.drawable.bokstavslottet07,
R.drawable.bokstavslottet08,
R.drawable.bokstavslottet09,
R.drawable.bokstavslottet10,
R.drawable.bokstavslottet11,
R.drawable.bokstavslottet12,
R.drawable.bokstavslottet13
};
public ImageAdapter(Context c) { this.myContext = c; }
public int getCount() {
// TODO Auto-generated method stub
return this.myImageIds.length;
}
public Object getItem(int position) {
// TODO Auto-generated method stub
return position;
}
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
ImageView i = new ImageView(this.myContext);
i.setImageResource(this.myImageIds[position]);
/* Image should be scaled as width/height are set. */
i.setScaleType(ImageView.ScaleType.FIT_XY);
/* Set the Width/Height of the ImageView. */
i.setLayoutParams(new Gallery.LayoutParams(700, 400));
Integer e = myImageIds.length;
Log.i("","length-------"+e);
return i;
}
/** Returns the size (0.0f to 1.0f) of the views
* depending on the 'offset' to the center. */
public float getScale(boolean focused, int offset) {
/* Formula: 1 / (2 ^ offset) */
return Math.max(0, 1.0f / (float)Math.pow(2, Math.abs(offset)));
}
}
public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
// TODO Auto-generated method stub
if(arg2==0){
SoundManager.playSound(1, 1);
}
if(arg2==1)
{
SoundManager.playSound(2, 1);
}
if(arg2==2)
{
SoundManager.playSound(3, 1);
}
if(arg2==3)
{
SoundManager.playSound(4, 1);
}
if(arg2==4)
{
SoundManager.playSound(5, 1);
}
if(arg2==5)
{
SoundManager.playSound(6, 1);
}
if(arg2==6)
{
SoundManager.playSound(7, 1);
}
if(arg2==7)
{
SoundManager.playSound(8, 1);
}
if(arg2==8)
{
SoundManager.playSound(9, 1);
}
if(arg2==9)
{
SoundManager.playSound(10, 1);
}
if(arg2==10)
{
SoundManager.playSound(11, 1);
}
if(arg2==11)
{
SoundManager.playSound(12, 1);
}
if(arg2==12)
{
SoundManager.playSound(13, 1);
}
}
@Override
public void onDestroy()
{
super.onDestroy();
SoundManager.cleanup();
}
public void onNothingSelected(AdapterView<?> arg0) {
// TODO Auto-generated method stub
}
}
SoundManager .class:
public class SoundManager {
static private SoundManager _instance;
private static SoundPool mSoundPool;
private static HashMap<Integer, Integer> mSoundPoolMap;
private static AudioManager mAudioManager;
private static Context mContext;
private SoundManager()
{
}
/**
* Requests the instance of the Sound Manager and creates it
* if it does not exist.
*
* @return Returns the single instance of the SoundManager
*/
static synchronized public SoundManager getInstance()
{
if (_instance == null)
_instance = new SoundManager();
return _instance;
}
/**
* Initialises the storage for the sounds
*
* @param theContext The Application context
*/
public static void initSounds(Context theContext)
{
mContext = theContext;
mSoundPool = new SoundPool(4, AudioManager.STREAM_MUSIC, 0);
mSoundPoolMap = new HashMap<Integer, Integer>();
mAudioManager = (AudioManager)mContext.getSystemService(Context.AUDIO_SERVICE);
}
/**
* Add a new Sound to the SoundPool
*
* @param Index - The Sound Index for Retrieval
* @param SoundID - The Android ID for the Sound asset.
*/
public static void addSound(int Index,int SoundID)
{
mSoundPoolMap.put(Index, mSoundPool.load(mContext, SoundID, 1));
}
/**
* Loads the various sound assets
* Currently hardcoded but could easily be changed to be flexible.
*/
public static void loadSounds()
{
mSoundPoolMap.put(1, mSoundPool.load(mContext, R.raw.starwars, 1));
mSoundPoolMap.put(2, mSoundPool.load(mContext, R.raw.terminator, 1));
mSoundPoolMap.put(3, mSoundPool.load(mContext, R.raw.bokstavslottet_3, 1));
mSoundPoolMap.put(4, mSoundPool.load(mContext, R.raw.bokstavslottet_4, 1));
mSoundPoolMap.put(5, mSoundPool.load(mContext, R.raw.bokstavslottet_5, 1));
mSoundPoolMap.put(6, mSoundPool.load(mContext, R.raw.bokstavslottet_6, 1));
mSoundPoolMap.put(7, mSoundPool.load(mContext, R.raw.bokstavslottet_7, 1));
mSoundPoolMap.put(8, mSoundPool.load(mContext, R.raw.bokstavslottet_8, 1));
mSoundPoolMap.put(9, mSoundPool.load(mContext, R.raw.bokstavslottet_9, 1));
mSoundPoolMap.put(10, mSoundPool.load(mContext, R.raw.bokstavslottet_10, 1));
mSoundPoolMap.put(11, mSoundPool.load(mContext, R.raw.bokstavslottet_11, 1));
mSoundPoolMap.put(12, mSoundPool.load(mContext, R.raw.bokstavslottet_12, 1));
mSoundPoolMap.put(13, mSoundPool.load(mContext, R.raw.babycooing05, 1));
}
/**
* Plays a Sound
*
* @param index - The Index of the Sound to be played
* @param speed - The Speed to play not, not currently used but included for compatibility
*/
public static void playSound(int index,float speed)
{
float streamVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
streamVolume = streamVolume / mAudioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
mSoundPool.play(mSoundPoolMap.get(index), streamVolume, streamVolume, 1, 0, speed);
}
/**
* Stop a Sound
* @param index - index of the sound to be stopped
*/
public static void stopSound(int index)
{
mSoundPool.stop(mSoundPoolMap.get(index));
}
public static void cleanup()
{
mSoundPool.release();
mSoundPool = null;
mSoundPoolMap.clear();
mAudioManager.unloadSoundEffects();
_instance = null;
}
}
i tried using mediaplyer its working good.but here each sound i need to set one mediaplyer object.in my app i need play some 100'of sounds.so is there any alternative solutoin please suggest me..