android null refercence on SoundPool?
<p>I'm receiving a <code>null</code> reference when I try to play a sound through my Android chat app. Every time a smile appears in the protocol string, I want to play an audio sound. My sound files are in OGG format and are located in <code>res-&gt;raw-&gt;mysound.ogg</code>.</p>

<p>I have the following <code>SoundManager</code> class in my Android class:</p>

<pre><code>package chatclient.utility;

import java.util.HashMap;
import android.content.Context;
import android.media.AudioManager;
import android.media.SoundPool;

public class SoundManager {

private  SoundPool mSoundPool; 
private  HashMap&lt;Integer, Integer&gt; mSoundPoolMap; 
private  AudioManager  mAudioManager;
private  Context mContext;


public SoundManager()
{

}

public void initSounds(Context theContext) { 
     mContext = theContext;
     mSoundPool = new SoundPool(4, AudioManager.STREAM_MUSIC, 0); 
     mSoundPoolMap = new HashMap&lt;Integer, Integer&gt;(); 
     mAudioManager = (AudioManager)mContext.getSystemService(Context.AUDIO_SERVICE);         
} 

public void addSound(int Index,int SoundID)
{
    mSoundPoolMap.put(1, mSoundPool.load(mContext, SoundID, 1));
}

public void playSound(int index) { 

     int streamVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC); 
     mSoundPool.play(mSoundPoolMap.get(index), streamVolume, streamVolume, 1, 0, 1f); 
}

public void playLoopedSound(int index) { 

     int streamVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC); 
     mSoundPool.play(mSoundPoolMap.get(index), streamVolume, streamVolume, 1, -1, 1f); 
}
</code></pre>

<p>}</p>

<p>And here is my code in my main class to call it:</p>

<p>In my <code>onCreate</code>:</p>

<pre><code>    mSoundManager = new chatclient.utility.SoundManager();
    mSoundManager.initSounds(getBaseContext());

    mSoundManager.addSound(1, R.raw.bigsmilesmiley ); //:D
    mSoundManager.addSound(2, R.raw.smilesmiley ); //:)
    mSoundManager.addSound(3, R.raw.tonguesmiley ); //:P
    mSoundManager.addSound(4, R.raw.confusedsmiley ); //:S
    mSoundManager.addSound(5, R.raw.ofacesmiley ); //:O
    mSoundManager.addSound(6, R.raw.sadsmiley); //:(
</code></pre>

<p>And then to call it:</p>

<pre><code>if (pollServerResult.contains(":)")) {                
    mSoundManager.playSound(2);
} else if (pollServerResult.contains(":D)")) {    
    mSoundManager.playSound(1);
} else if (pollServerResult.contains(":P")) {         
    mSoundManager.playSound(3);
} else if (pollServerResult.contains(":S")) {       
    mSoundManager.playSound(4);
} else if (pollServerResult.contains(":O")) {       
    mSoundManager.playSound(5);
} else if (pollServerResult.contains(":(")) {       
    mSoundManager.playSound(6);
}
</code></pre>

<p>The only problem is I get a <code>null</code> reference when someone posts one of these faces.</p>
