Update ArrayList<HashMap<String to ListView (undefined simpleadapter error)

Question

I am trying to update a listview with the content in an ArrayList<HashMap<String, String>>. I dont understand why I am getting the following error:

The constructor SimpleAdapter(Main.getResults, ArrayList<HashMap<String,String>>, int, String[]) is undefined

public class Main extends Activity {

private static String personURL = "http://api.themoviedb.org/3/search/person?api_key=bb0b6d66c2899aefb4d0863b0d37dc4e&query=";

private static String TAG_CAST = "cast";
private static String TAG_ID = "id";

private static String TAG_TITLE = "title";

String title = null;

JSONArray idOne = null;
JSONArray idTwo = null;

JSONArray firstCast = null;
JSONArray secondCast = null;


EditText searchOne;
EditText searchTwo;

Button findMovies;

List<String> searchOneFilmography = new ArrayList<String>();
List<String> searchTwoFilmography = new ArrayList<String>();
ArrayList<HashMap<String, String>> commonFilmogrpahy = new ArrayList<HashMap<String, String>>();




@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.totlayout);

    searchOne = (EditText) findViewById(R.id.searchOne);
    searchTwo = (EditText) findViewById(R.id.searchTwo);

    findMovies = (Button) findViewById(R.id.findMovies);



    //getting

    findMovies.setOnClickListener(new View.OnClickListener() {

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


            new getResults().execute();

        }
    });
}
public class getResults extends AsyncTask<String, Void, ArrayList<HashMap<String, String>> > {

    @Override
    protected ArrayList<HashMap<String, String>> doInBackground(
            String... params) {
        // TODO Auto-generated method stub

        //get names from each text box

        ArrayList<HashMap<String, String>> commonFilms = new ArrayList<HashMap<String, String>>();
        ArrayList<HashMap<String, String>> firstFilms = new ArrayList<HashMap<String, String>>();
        ArrayList<HashMap<String, String>> secondFilms = new ArrayList<HashMap<String, String>>();
        String nameOne = searchOne.getText().toString();
        String nameTwo = searchTwo.getText().toString();

        nameOne = nameOne.replace(" ", "_");
        nameTwo = nameTwo.replace(" ", "_");

        String searchOneURL = personURL + nameOne;
        String searchTwoURL = personURL + nameTwo;

        //Hashmap for ListView


        //Create JSON Parser Instanece
        JSONParser jParser = new JSONParser();

        //getting JSON string from url
        JSONObject jsonOne = jParser.getJSONFromUrl(searchOneURL);
        JSONObject jsonTwo = jParser.getJSONFromUrl(searchTwoURL);


        try {
            //Get ID of each person
            idOne = jsonOne.getJSONArray(TAG_ID);
            idTwo = jsonTwo.getJSONArray(TAG_ID);


            String firstID = null;
            String secondID = null;
            for(int i = 0; i < idOne.length(); i++){
                JSONObject iDeeOne = idOne.getJSONObject(i);

                //store each json item in variable
                firstID = iDeeOne.getString(TAG_ID);

            }

            for(int i = 0; i < idTwo.length(); i++){
                JSONObject iDeeTwo = idTwo.getJSONObject(i);

                //store each json item in variable
                secondID = iDeeTwo.getString(TAG_ID);
            }
            String creditURlBase = "http://api.themoviedb.org/3/person";

            String firstCreditURL = creditURlBase + firstID;
            String secondCreditURL = creditURlBase + secondID;

            JSONObject jSon = jParser.getJSONFromUrl(firstCreditURL);


            firstCast = jSon.getJSONArray(TAG_CAST);
            for(int i = 0; i < firstCast.length(); i++){
                JSONObject c = firstCast.getJSONObject(i);
                title = c.getString(TAG_TITLE);

                //ctreate new hashmap
                HashMap<String, String> map = new HashMap<String, String>();

                //and node to map
                map.put(TAG_TITLE, title);
                firstFilms.add(map);

            }
            JSONObject jSonTwo = jParser.getJSONFromUrl(secondCreditURL);

            secondCast = jSonTwo.getJSONArray(TAG_CAST);
            for(int i = 0; i < secondCast.length(); i++){
                JSONObject c = firstCast.getJSONObject(i);
                title = c.getString(TAG_TITLE);

                //create hashmap
                HashMap<String, String> mapTwo = new HashMap<String, String>();

                mapTwo.put(TAG_TITLE, title);
                secondFilms.add(mapTwo);


            }

            if(firstFilms.size() > secondFilms.size()){
                for(int i = 0; i < firstFilms.size(); i++){
                    if(firstFilms.contains(secondFilms.get(i))){

                        HashMap<String, String> mapThree = new HashMap<String, String>();

                        mapThree.put(TAG_TITLE, secondFilms.get(i).toString());
                        commonFilms.add(mapThree);
                    }

                }

            }else{
                for(int i = 0; i < secondFilms.size(); i++){
                    if(secondFilms.contains(firstFilms.get(i))){
                        HashMap<String, String> map = new HashMap<String, String>();
                        map.put(TAG_TITLE, firstFilms.get(i).toString());
                        commonFilms.add(map);
                    }
                }
            }
            return commonFilms;




            }
        catch(JSONException e){
            Log.e("Error", e.toString());
            return null;
        }
        ListAdapter adapter = new SimpleAdapter(this, commonFilms, R.layout.resultslayout, new String[] {TAG_NAME});
        setListAdapter(adapter);

I have also tried

ListAdapter adapter = new SimpleAdapter(Main.this, commonFilms, R.layout.resultslayout, new String[] {TAG_NAME});

I still get the same undefined error just for Main.this instead.

ruakh · Accepted Answer · 2012-09-11 02:40:51Z

3

Aren't you missing an argument? The Javadoc for SimpleAdapter says that the constructor parameters are:

(Context context, List<? extends Map<String, ?>> data, int resource, String[] from, int[] to)

You're not passing any argument for the int[] to parameter.

Edited to add: Also, your getResults class is extending AsyncTask, so it's not a subclass of Context.

answered Sep 11, 2012 at 2:40

ruakh

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