Mega Code Archive
Sound Pool Demo
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package app.test;
import java.io.IOException;
import android.app.Activity;
import android.content.Context;
import android.content.res.AssetFileDescriptor;
import android.media.AudioManager;
import android.media.SoundPool;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.View;
import android.widget.ToggleButton;
public class Test extends Activity implements SoundPool.OnLoadCompleteListener {
private static final int SRC_QUALITY = 0;
private static final int PRIORITY = 1;
private SoundPool soundPool = null;
private AudioManager aMgr;
private int s0;
private int s1;
private int s2;
private int s3;
private int s4;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
@Override
protected void onResume() {
soundPool = new SoundPool(4, AudioManager.STREAM_MUSIC, SRC_QUALITY);
soundPool.setOnLoadCompleteListener(this);
aMgr = (AudioManager)this.getSystemService(Context.AUDIO_SERVICE);
s0 = soundPool.load(this, R.raw.s0, PRIORITY);
s3 = soundPool.load(this, R.raw.s1, PRIORITY);
s4 = soundPool.load(this, R.raw.s2, PRIORITY);
s1 = soundPool.load(this, R.raw.s3, PRIORITY);
try {
AssetFileDescriptor afd = this.getAssets().openFd("dogbark.mp3");
s2 = soundPool.load(afd.getFileDescriptor(), 0, afd.getLength(), PRIORITY);
afd.close();
} catch (IOException e) {
e.printStackTrace();
}
s2 = soundPool.load("/mnt/sdcard/dogbark.mp3", PRIORITY);
super.onResume();
}
public void doClick(View view) {
switch(view.getId()) {
case R.id.button:
if(((ToggleButton)view).isChecked()) {
soundPool.autoResume();
}
else {
soundPool.autoPause();
}
break;
}
}
@Override
protected void onPause() {
soundPool.release();
soundPool = null;
super.onPause();
}
@Override
public void onLoadComplete(SoundPool sPool, int sid, int status) {
final float currentVolume = ((float)aMgr.getStreamVolume(AudioManager.STREAM_MUSIC)) /
((float)aMgr.getStreamMaxVolume(AudioManager.STREAM_MUSIC));
if(status != 0)
return;
if(sid == s0) {
if(sPool.play(sid, currentVolume, currentVolume,
PRIORITY, -1, 1.0f) == 0)
Log.v("soundPool", "Failed to start sound");
} else if(sid == s3) {
queueSound(sid, 5000, currentVolume);
} else if(sid == s4) {
queueSound(sid, 6000, currentVolume);
} else if(sid == s1) {
queueSound(sid, 12000, currentVolume);
} else if(sid == s2) {
queueSound(sid, 7000, currentVolume);
}
}
private void queueSound(final int sid, final long delay, final float volume) {
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
if(soundPool == null) return;
if(soundPool.play(sid, volume, volume,
PRIORITY, 0, 1.0f) == 0)
Log.v("soundPool", "Failed to start sound (" + sid + ")");
queueSound(sid, delay, volume);
}}, delay);
}
}
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