import android.content.Context;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.SoundPool;
import android.util.SparseArray;
import android.util.SparseIntArray;
import java.util.HashMap;
/**
* Created by Naik on 25.07.15.
*/
public class Music {
private static Context context;
/* Music */
private static final HashMap<Object, SparseArray<MediaPlayer>> musicsMap = new HashMap<Object, SparseArray<MediaPlayer>>();
/* Sound */
private static SoundPool soundPool;
private static SparseIntArray loadedSounds = new SparseIntArray(); // rawID -> soundID
private static final HashMap<Object, SparseIntArray> soundsMap = new HashMap<Object, SparseIntArray>(); // key -> (soundID -> playID)
public static void init(Context context) {
Music.context = context;
soundPool = new SoundPool(5, AudioManager.STREAM_MUSIC, 0);
}
private static MediaPlayer getMusic(Object key, int rawID) {
SparseArray<MediaPlayer> musics = musicsMap.get(key);
if (musics == null) {
musics = new SparseArray<MediaPlayer>();
musicsMap.put(key, musics);
}
MediaPlayer music = musics.get(rawID);
if (music == null) {
music = MediaPlayer.create(context, rawID);
musics.put(rawID, music);
}
return music;
}
public static void playMusic(final Object key, final int rawID, final boolean loop) {
MediaPlayer music = getMusic(key, rawID);
if (loop) {
if (!music.isPlaying()) {
music.setLooping(true);
music.start();
}
} else {
if (music.isPlaying()) {
music.seekTo(0);
}
music.start();
}
}
public static void stopMusic(Object key, int rawID) {
MediaPlayer sound = getMusic(key, rawID);
sound.stop();
}
public static synchronized void playSound(final Object key, final int rawID, final float volume, final boolean loop) {
SparseIntArray playingSounds = soundsMap.get(key);
if (playingSounds == null) {
playingSounds = new SparseIntArray();
soundsMap.put(key, playingSounds);
}
int soundID = loadedSounds.get(rawID, -1);
if (soundID == -1) {
final long startLoad = System.currentTimeMillis();
soundPool.setOnLoadCompleteListener(new SoundPool.OnLoadCompleteListener() {
@Override
public void onLoadComplete(SoundPool soundPool, int sampleId, int status) {
loadedSounds.put(rawID, sampleId);
long loadTime = System.currentTimeMillis() - startLoad;
if (loadTime < 500) {
// Проиграть звук только если прошло не более 500 мс после начала загрузки
playSound(key, rawID, volume, loop);
}
}
});
soundPool.load(context, rawID, 1);
return;
}
int loops = loop ? -1 : 0;
int playID = playingSounds.get(soundID, -1);
if (playID == -1) { // Если этот звук еще не играет - играем.
playingSounds.put(soundID, soundPool.play(soundID, volume, volume, 0, loops, 1));
} else { // Иначе остановим его и проиграем.
soundPool.stop(playID);
playingSounds.put(soundID, soundPool.play(soundID, volume, volume, 0, loops, 1));
}
}
public static synchronized void stopSound(Object key, int rawID) {
int soundID = loadedSounds.get(rawID);
SparseIntArray playingSounds = soundsMap.get(key);
int playID = playingSounds.get(soundID);
soundPool.stop(playID);
playingSounds.delete(soundID);
}
public static synchronized void dispose() {
// Stop music.
for (SparseArray<MediaPlayer> musics : musicsMap.values()) {
for (int i = 0, size = musics.size(); i < size; i++) {
MediaPlayer mediaPlayer = musics.valueAt(i);
mediaPlayer.stop();
mediaPlayer.release();
}
musics.clear();
}
musicsMap.clear();
// Stop sounds.
for (SparseIntArray playingSounds : soundsMap.values()) {
for (int i = 0, size = playingSounds.size(); i < size; i++) {
int playID = playingSounds.valueAt(i);
soundPool.stop(playID);
}
playingSounds.clear();
}
soundsMap.clear();
// Unload sounds.
for (int i = 0, size = loadedSounds.size(); i < size; i++) {
int soundID = loadedSounds.valueAt(i);
soundPool.unload(soundID);
}
loadedSounds.clear();
soundPool.release();
}
}
