Memory leak

DictionaryLoaderAsyncTask.java

package it.penpen.android.passphrase_generator;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

import android.content.Context;
import android.os.AsyncTask;

public class DictionaryLoaderAsyncTask extends AsyncTask<Context, Integer, List<String>> {

    @Override
    protected List<String> doInBackground(Context... params) {
        String word;
        List<String> dictionary = new ArrayList<String>();
        InputStream inputStream = params[0].getResources().openRawResource(R.raw.dictionary); // TODO: This feels dirty.
        InputStreamReader inputReader = new InputStreamReader(inputStream);
        BufferedReader bufferedReader = new BufferedReader(inputReader);
        try {
            while ((word = bufferedReader.readLine()) != null) {
                dictionary.add(word);
            }
        } catch (IOException e) {
            return null;
        }
        return dictionary;
    }

}