問題描述
這個問題與 這個問題有關.
我設法修改我的代碼以使用 SoundPool 而不是 AudioManager.知道它或多或少有效.
I managed to modify my code to use SoundPool instead of AudioManager. Know it works more or less.
public class Sound {
private static boolean sound = true;
private static final int EAT_SOUND = 1;
private static final int SHORT_EAT_SOUND = 2;
private static final int EAT_CHERRY_SOUND = 3;
private static final int EAT_GHOST_SOUND = 4;
private static final int EXTRA_LIVE_SOUND = 5;
private static final int INTERMISSION_SOUND = 6;
private static final int OPENING_SOUND = 7;
private static final int PACMAN_DIES_SOUND = 8;
private static final int SIREN_SOUND = 9;
private static Context context;
private static SoundPool soundPool;
private static HashMap<Integer, Integer> soundPoolMap;
public static void initializeOpenSound(Context con) {
context = con;
soundPool = new SoundPool(2, AudioManager.STREAM_RING, 100);
soundPoolMap = new HashMap<Integer, Integer>();
soundPoolMap.put(OPENING_SOUND, soundPool.load(context, R.raw.opening_song, 1));
}
public static void initializeSounds() {
soundPoolMap.put(EAT_SOUND, soundPool.load(context, R.raw.eating, 1));
soundPoolMap.put(SHORT_EAT_SOUND, soundPool.load(context, R.raw.eating_short, 1));
soundPoolMap.put(EAT_CHERRY_SOUND, soundPool.load(context, R.raw.eating_cherry, 1));
soundPoolMap.put(EAT_GHOST_SOUND, soundPool.load(context, R.raw.eating_ghoasts, 1));
soundPoolMap.put(EXTRA_LIVE_SOUND, soundPool.load(context, R.raw.extra_lives, 1));
soundPoolMap.put(INTERMISSION_SOUND, soundPool.load(context, R.raw.intermission, 1));
soundPoolMap.put(PACMAN_DIES_SOUND, soundPool.load(context, R.raw.pac_man_dies, 1));
soundPoolMap.put(SIREN_SOUND, soundPool.load(context, R.raw.siren, 1));
}
private static void playSound(int sound) {
int streamID = soundPool.play(soundPoolMap.get(sound), 0.5f, 0.5f, 1, 0, 1f);
if (sound == OPENING_SOUND) {
soundPool.setLoop(streamID, 2);
}
}
public static void playSirenSound() throws SoundInitializationError {
if (isSoundOn()) {
if (soundPoolMap.containsKey(SIREN_SOUND)) {
System.out.println("Play Siren sound");
playSound(SIREN_SOUND);
} else {
throw new SoundInitializationError("Siren Sound not initialized!");
}
}
}
public static void playPacmanDiesSound() throws SoundInitializationError {
if (isSoundOn()) {
if (soundPoolMap.containsKey(PACMAN_DIES_SOUND)) {
System.out.println("Play Pacman Dies sound");
playSound(PACMAN_DIES_SOUND);
} else {
throw new SoundInitializationError("Pacman Dies Sound not initialized!");
}
}
}
public static void playOpeningSound() throws SoundInitializationError {
if (isSoundOn()) {
if (soundPoolMap.containsKey(OPENING_SOUND)) {
System.out.println("Play Opening sound");
playSound(OPENING_SOUND);
} else {
throw new SoundInitializationError("Opening Sound not initialized!");
}
}
}
public static void playIntermissionSound() throws SoundInitializationError {
if (isSoundOn()) {
if (soundPoolMap.containsKey(INTERMISSION_SOUND)) {
System.out.println("Play Intermission sound");
playSound(INTERMISSION_SOUND);
} else {
throw new SoundInitializationError("Intermission Sound not initialized!");
}
}
}
public static void playExtraLiveSound() throws SoundInitializationError {
if (isSoundOn()) {
if (soundPoolMap.containsKey(EXTRA_LIVE_SOUND)) {
System.out.println("Play Extra Live sound");
playSound(EXTRA_LIVE_SOUND);
} else {
throw new SoundInitializationError("Extra Live Sound not initialized!");
}
}
}
public static void playEatSound() throws SoundInitializationError {
if (isSoundOn()) {
if (soundPoolMap.containsKey(EAT_SOUND)) {
System.out.println("Play Eat Sound");
playSound(EAT_SOUND);
} else {
throw new SoundInitializationError("Eat Sound not initialized!");
}
}
}
public static void playShortEatSound() throws SoundInitializationError {
if (isSoundOn()) {
if (soundPoolMap.containsKey(SHORT_EAT_SOUND)) {
System.out.println("Play Short Eat sound");
playSound(SHORT_EAT_SOUND);
} else {
throw new SoundInitializationError("Short Eat Sound not initialized!");
}
}
}
public static void playEatCherrySound() throws SoundInitializationError {
if (isSoundOn()) {
if (soundPoolMap.containsKey(EAT_CHERRY_SOUND)) {
System.out.println("Play Eat Cherry sound");
playSound(EAT_CHERRY_SOUND);
} else {
throw new SoundInitializationError("Eat Cherry Sound not initialized!");
}
}
}
public static void playEatGhostSound() throws SoundInitializationError {
if (isSoundOn()) {
if (soundPoolMap.containsKey(EAT_GHOST_SOUND)) {
System.out.println("Play Eat Ghost sound");
playSound(EAT_GHOST_SOUND);
} else {
throw new SoundInitializationError("Eat Ghost Sound not initialized!");
}
}
}
public static boolean isSoundOn() {
return sound;
}
public static void setSoundOn(boolean b) {
sound = b;
}
}
但是，我有一個或多或少的大音頻文件，我想在啟動期間播放.但是，如果我調用 initializeOpenSound() 然后 playOpening Sound()，則不會播放聲音并且 logcat 輸出:
However, I have a more or less big audio file which I want to play during startup. However if i call initializeOpenSound() and then playOpening Sound(), then the sound isn't played and logcat outputs:
07-15 09:11:02.121: WARN/SoundPool(14273): sample 1 not READY
在 SDK 2.2 中，我將使用 SoundPool.OnLoadCompleteListener但是如何使用 SDK 2.1 實現相同的目標?
In SDK 2.2 I would use SoundPool.OnLoadCompleteListener but how can I achieve the same using SDK 2.1?
我也很樂意提供一個不包含監聽器或類似東西的解決方案，但要么嘗試播放聲音文件直到它成功.
I would also be happy width a solution that doesn't include a listener or something like that, but either try to play the sound file until it was successful.
推薦答案
根據我的閱讀，如果您在初始化后立即嘗試播放聲音，它將無法準備好，您將收到此錯誤.您可以制作一個加載頁面，然后等待幾秒鐘，直到您確定聲音已加載.
From what I have read if you try to play the sound right after initializing it, it won't be ready and you will get this error. You could make a loading page and just wait for a few seconds until you are sure the sound has loaded.
還要確保您的文件大小不超過 1048576 字節，這就是 Soundpool 的限制.如果你想播放背景音樂或其他東西，我認為你必須使用媒體播放器.
Also make sure your filesize isn't over 1048576 bytes, thats the limitation for Soundpool. If you want to play background music or something i think you have to use media player.
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