package com.google.mcommerce.sample.android.chapter10.mediaplay;
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;
import com.google.mcommerce.sample.android.R;
public class SoundPoolDemoActivity 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 sid_background;
private int sid_roar;
private int sid_bark;
private int sid_chimp;
private int sid_rooster;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.c10_media_sound_pool_layout);
}
@Override
protected void onResume() {
soundPool = new SoundPool(4, AudioManager.STREAM_MUSIC, SRC_QUALITY);
soundPool.setOnLoadCompleteListener(this);
aMgr = (AudioManager) this.getSystemService(Context.AUDIO_SERVICE);
sid_background = soundPool.load(this, R.raw.crickets, PRIORITY);
sid_chimp = soundPool.load(this, R.raw.chimp, PRIORITY);
sid_rooster = soundPool.load(this, R.raw.rooster, PRIORITY);
sid_roar = soundPool.load(this, R.raw.roar, PRIORITY);
try {
AssetFileDescriptor afd = this.getAssets().openFd("dogbark.mp3");
sid_bark = soundPool.load(afd.getFileDescriptor(), 0,
afd.getLength(), PRIORITY);
afd.close();
} catch (IOException e) {
e.printStackTrace();
}
// sid_bark = 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) {
Log.v("soundPool", "sid " + sid + " loaded with status " + status);
final float currentVolume = ((float) aMgr
.getStreamVolume(AudioManager.STREAM_MUSIC))
/ ((float) aMgr.getStreamMaxVolume(AudioManager.STREAM_MUSIC));
if (status != 0)
return;
if (sid == sid_background) {
if (sPool.play(sid, currentVolume, currentVolume, PRIORITY, -1,
1.0f) == 0)
Log.v("soundPool", "Failed to start sound");
} else if (sid == sid_chimp) {
queueSound(sid, 5000, currentVolume);
} else if (sid == sid_rooster) {
queueSound(sid, 6000, currentVolume);
} else if (sid == sid_roar) {
queueSound(sid, 12000, currentVolume);
} else if (sid == sid_bark) {
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);
}
}