How do you use an iterator to cycle through multiple sound clips every time you click a button?
package com.pnl.thebasics;

import java.util.HashMap;
import java.util.Random;

import android.app.Activity;
import android.media.AudioManager;
import android.media.SoundPool;
import android.os.Bundle;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.ImageView;

public class myMenu extends Activity {

private SoundPool soundPool;
private HashMap<Integer, Integer> soundsMap;
int sb1=1;
int sb2=2;
int sb3=3;
int sb4=4;
int sb5=5;
int sb6=6;
int pat1=1;
int pat2=2;
int pat3=3;
int pat4=4;
int pat5=5;
int pat6=6;
int mrcrabs1=1;
int mrcrabs2=2;
int mrcrabs3=3;
int mrcrabs4=4;
int mrcrabs5=5;
int squidward1=1;
int squidward2=2;
int squidward3=3;
int squidward4=4;
int squidward5=5;
int plankton1=1;
int plankton2=2;
int plankton3=3;
int plankton4=4;
int plankton5=5;
int gary1=1;
int gary2=2;
int gary3=3;
int gary4=4;

Random random = new Random();
int randomnumber = random.nextInt(6)+1;


@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    final Window window = getWindow();
    window.setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,                WindowManager.LayoutParams.FLAG_FULLSCREEN);
    soundPool = new SoundPool(0, AudioManager.STREAM_MUSIC, 100);
    soundsMap = new HashMap<Integer, Integer>();
    soundsMap.put(sb1, soundPool.load(this, R.raw.sb1, 1));
    soundsMap.put(sb2, soundPool.load(this, R.raw.sb2, 1));
    soundsMap.put(sb3, soundPool.load(this, R.raw.sb3, 1));
    soundsMap.put(sb4, soundPool.load(this, R.raw.sb4, 1));
    soundsMap.put(sb5, soundPool.load(this, R.raw.sb5, 1));
    soundsMap.put(sb6, soundPool.load(this, R.raw.sb6, 1));
    soundsMap.put(pat1, soundPool.load(this, R.raw.pat1, 1));
    soundsMap.put(pat2, soundPool.load(this, R.raw.pat2, 1));
    soundsMap.put(pat3, soundPool.load(this, R.raw.pat3, 1));
    soundsMap.put(pat4, soundPool.load(this, R.raw.pat4, 1));
    soundsMap.put(pat5, soundPool.load(this, R.raw.pat5, 1));
    soundsMap.put(pat6, soundPool.load(this, R.raw.pat6, 1));
    soundsMap.put(mrcrabs1, soundPool.load(this, R.raw.mrcrabs1, 1));
    soundsMap.put(mrcrabs2, soundPool.load(this, R.raw.mrcrabs2, 1));
    soundsMap.put(mrcrabs3, soundPool.load(this, R.raw.mrcrabs3, 1));
    soundsMap.put(mrcrabs4, soundPool.load(this, R.raw.mrcrabs4, 1));
    soundsMap.put(mrcrabs5, soundPool.load(this, R.raw.mrcrabs5, 1));
    soundsMap.put(squidward1, soundPool.load(this, R.raw.squidward1, 1));
    soundsMap.put(squidward2, soundPool.load(this, R.raw.squidward2, 1));
    soundsMap.put(squidward3, soundPool.load(this, R.raw.squidward3, 1));
    soundsMap.put(squidward4, soundPool.load(this, R.raw.squidward4, 1));
    soundsMap.put(squidward5, soundPool.load(this, R.raw.squidward5, 1));
    soundsMap.put(plankton1, soundPool.load(this, R.raw.plankton1, 1));
    soundsMap.put(plankton2, soundPool.load(this, R.raw.plankton2, 1));
    soundsMap.put(plankton3, soundPool.load(this, R.raw.plankton3, 1));
    soundsMap.put(plankton4, soundPool.load(this, R.raw.plankton4, 1));
    soundsMap.put(plankton5, soundPool.load(this, R.raw.plankton5, 1));
    soundsMap.put(gary1, soundPool.load(this, R.raw.gary1, 1));
    soundsMap.put(gary2, soundPool.load(this, R.raw.gary2, 1));
    soundsMap.put(gary3, soundPool.load(this, R.raw.gary3, 1));
    soundsMap.put(gary4, soundPool.load(this, R.raw.gary4, 1));

    setContentView(R.layout.menu);

    //button 1 (sponge bob)
    ImageView bSpongebob = (ImageView) findViewById(R.id.sbbutton);
    bSpongebob.setOnClickListener(new View.OnClickListener() {

        public void onClick(View v) {
            // TODO Auto-generated method stub

        }
    });

    //button 2 (patrick)
    ImageView bPatrick = (ImageView) findViewById(R.id.patbutton);
    bPatrick.setOnClickListener(new View.OnClickListener() {

        public void onClick(View v) {
            // TODO Auto-generated method stub

        }
    });

    //button 3 (squidward)
    ImageView bSquidward = (ImageView) findViewById(R.id.squidwardbutton);
    bSquidward.setOnClickListener(new View.OnClickListener() {

        public void onClick(View v) {
            // TODO Auto-generated method stub

        }
    });

    //button 4 (mr crabs)
    ImageView bMrCrabs = (ImageView) findViewById(R.id.mrcrabsbutton);
    bMrCrabs.setOnClickListener(new View.OnClickListener() {

        public void onClick(View v) {
            // TODO Auto-generated method stub

        }
    });

    //button 5 (gary)
    ImageView bGary = (ImageView) findViewById(R.id.garybutton);
    bGary.setOnClickListener(new View.OnClickListener() {

        public void onClick(View v) {
            // TODO Auto-generated method stub

        }
    });

    //button 6 (plankton)
    ImageView bPlankton = (ImageView) findViewById(R.id.planktonbutton);
    bPlankton.setOnClickListener(new View.OnClickListener() {

        public void onClick(View v) {
            // TODO Auto-generated method stub

        }
    });
}
}