LazyAdapter implementation. Always returned a nullPointer because pokeman (line 72) always remained null for some reason.

LazyAdapter.java

package com.dsgunter.randompokemongenerator;

import java.util.ArrayList;
import java.util.HashMap;

import android.app.Activity;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;

/**
 * Created with IntelliJ IDEA.
 * User: David
 * Date: 7/4/13
 * Time: 4:14 PM
 * <p/>
 * (c) David Gunter 2013 unless otherwise noted
 */
public class LazyAdapter extends BaseAdapter {

    private Activity activity;
    private ArrayList<HashMap<String, String>> data;
    private static LayoutInflater inflater = null;
    public ImageLoader imageLoader;
    public HashMap<String, String> pokeman;
    //JSON code names
    static final String TAG_NAME = "name";
    static final String TAG_TYPE1 = "type1";
    static final String TAG_TYPE2 = "type2";
    static final String TAG_REAL_POKEMON_ID = "real_pokemon_id";
    static final String TAG_SPRITE_URL = "sprite_url";

    public LazyAdapter(Activity a, ArrayList<HashMap<String, String>> d){
        activity = a;
        data = d;
        inflater = (LayoutInflater)activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);


    }

    public int getCount(){
        return data.size();
    }

    public Object getItem(int position){
        return data.get(position);
    }

     public long getItemId(int position){
          return position;
      }

    public View getView(int position, View convertView, ViewGroup parent){
        View vi = convertView;
        if(convertView == null){
            vi = inflater.inflate(R.layout.list_generated_pokemon, null);
        }

        TextView name = (TextView)vi.findViewById(R.id.name);
        TextView type1 = (TextView)vi.findViewById(R.id.type1);
        TextView type2 = (TextView)vi.findViewById(R.id.type2);
        TextView id = (TextView)vi.findViewById(R.id.pokeID);
        ImageView sprite = (ImageView)vi.findViewById(R.id.pokemonSprite);


        pokeman = data.get(position);

        //set values in listview
        name.setText(pokeman.get(TAG_NAME));
        type1.setText(pokeman.get(TAG_TYPE1));
        type2.setText(pokeman.get(TAG_TYPE2));
        id.setText(pokeman.get(TAG_REAL_POKEMON_ID));
        // Load image, decode it to Bitmap and display Bitmap in ImageView
        imageLoader.displayImage(pokeman.get(TAG_SPRITE_URL), sprite);
        return vi;
    }
}