将 ArrayList<HashMap<String 更新为 ListView(未定义的简单适配器错误)

Question

我正在尝试用ArrayList<HashMap<String, String>>中的内容更新列表视图。我不明白为什么我会出现以下错误：

构造函数SimpleAdapter(Main.getResults, ArrayList<HashMap<String,String>>, int, String[])是未定义的

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);

我也试过

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

我仍然会得到同样的未定义错误，只是针对Main.this。

Answer 1

你不是缺少一个参数吗？SimpleAdapter的Javadoc表示构造函数参数为：

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

您没有为int[] to参数传递任何参数。

编辑添加：此外，您的getResults类正在扩展AsyncTask，因此它不是Context的子类。