public class ImageAdapter extends BaseAdapter {
private Context mContext;


public ImageAdapter(Context c) {
    // TODO Auto-generated constructor stub
    mContext = c;
    shuffle();

}

public void shuffle()
{


    Random rand = new Random();
    int r = rand.nextInt(3);
    String rn;
    rn=String.valueOf(r);
    Log.d("Random Number Test", rn);

    if (r==0)
    {
        mThumbIds[0]= R.drawable.wall_48;
        mThumbIds[1]= R.drawable.wall_48;
        mThumbIds[2]= R.drawable.wall_48;
    }
    if (r==1)
    {
        mThumbIds[3]= R.drawable.wall_48;
        mThumbIds[4]= R.drawable.wall_48;
        mThumbIds[5]= R.drawable.wall_48;
    }
    if (r==2)
    {
        mThumbIds[6]= R.drawable.wall_48;
        mThumbIds[7]= R.drawable.wall_48;
        mThumbIds[8]= R.drawable.wall_48;
    }
    if (r==3)
    {
        mThumbIds[9]= R.drawable.wall_48;
        mThumbIds[10]= R.drawable.wall_48;
        mThumbIds[11]= R.drawable.wall_48;
    }
} //shuffle end