每次尝试查看xml文件时都会出现渲染错误。这是我看到的渲染错误： 渲染期间引发异常：AdapterView（详细信息）
不支持addView（View，LayoutParams）任何人都可以帮助我吗？非常感谢。谢谢。
private MovieDbAdapter movieAdapter; MoviePoster[] moviePosters = { new MoviePoster("String", "String", R.drawable.ic_launcher), }; public MainActivityFragment() { } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // Add this line in order for this fragment to handle menu events. setHasOptionsMenu(true); } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { inflater.inflate(R.menu.menu_main, menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); if (id == R.id.refresh) { FetchMovieInfo movieTask = new FetchMovieInfo(); movieTask.execute("94043"); return true; } return super.onOptionsItemSelected(item); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View rootView = inflater.inflate(R.layout.fragment_main, container, false); movieAdapter = new MovieDbAdapter(getActivity(), Arrays.asList(moviePosters)); GridView gridView = (GridView) rootView.findViewById(R.id.movies_grid); gridView.setAdapter(movieAdapter); return rootView; } public class FetchMovieInfo extends AsyncTask<String, Void, String[]> { private final String LOG_TAG = FetchMovieInfo.class.getSimpleName(); private String getReadableDateString(long time){ // Because the API returns a unix timestamp (measured in seconds), // it must be converted to milliseconds in order to be converted to valid date. SimpleDateFormat shortenedDateFormat = new SimpleDateFormat("EEE MMM dd"); return shortenedDateFormat.format(time); } /** + * Prepare the weather high/lows for presentation. + */ private String formatHighLows(double high, double low) { // For presentation, assume the user doesn't care about tenths of a degree. long roundedHigh = Math.round(high); long roundedLow = Math.round(low); String highLowStr = roundedHigh + "/" + roundedLow; return highLowStr; } /** + * Take the String representing the complete movie in JSON Format and + * pull out the data we need to construct the Strings needed for the wireframes. + * + * Fortunately parsing is easy: constructor takes the JSON string and converts it + * into an Object hierarchy for us. + */ private String[] getMovieDataFromJson(String movieJsonStr, int numDays) throws JSONException { // These are the names of the JSON objects that need to be extracted. final String OWM_LIST = "list"; final String OWM_WEATHER = "weather"; final String OWM_TEMPERATURE = "temp"; final String OWM_MAX = "max"; final String OWM_MIN = "min"; final String OWM_DESCRIPTION = "main"; JSONObject movieJson = new JSONObject(movieJsonStr); JSONArray movieArray = movieJson.getJSONArray(OWM_LIST); // OWM returns daily forecasts based upon the local time of the city that is being // asked for, which means that we need to know the GMT offset to translate this data // properly. // Since this data is also sent in-order and the first day is always the // current day, we're going to take advantage of that to get a nice // normalized UTC date for all of our weather. Time dayTime = new Time(); dayTime.setToNow(); // we start at the day returned by local time. Otherwise this is a mess. int julianStartDay = Time.getJulianDay(System.currentTimeMillis(), dayTime.gmtoff); // now we work exclusively in UTC dayTime = new Time(); String[] resultStrs = new String[numDays]; for(int i = 0; i < movieArray.length(); i++) { // For now, using the format "Day, description, hi/low" String day; String description; String highAndLow; // Get the JSON object representing the day JSONObject dayMovie = movieArray.getJSONObject(i); // The date/time is returned as a long. We need to convert that // into something human-readable, since most people won't read "1400356800" as // "this saturday". long dateTime; // Cheating to convert this to UTC time, which is what we want anyhow dateTime = dayTime.setJulianDay(julianStartDay + i); day = getReadableDateString(dateTime); // description is in a child array called "weather", which is 1 element long. JSONObject movieObject = dayMovie.getJSONArray(OWM_WEATHER).getJSONObject(0); description = movieObject.getString(OWM_DESCRIPTION); // Temperatures are in a child object called "temp". Try not to name variables // "temp" when working with temperature. It confuses everybody. JSONObject temperatureObject = dayMovie.getJSONObject(OWM_TEMPERATURE); double high = temperatureObject.getDouble(OWM_MAX); double low = temperatureObject.getDouble(OWM_MIN); highAndLow = formatHighLows(high, low); resultStrs[i] = day + " - " + description + " - " + highAndLow; } for (String s : resultStrs) { Log.v(LOG_TAG, "Movie Entry: " + s); } return resultStrs; } @Override protected String[] doInBackground(String... params) { // These two need to be declared outside the try/catch // so that they can be closed in the finally block. if (params.length == 0) { return null; } HttpURLConnection urlConnection = null; BufferedReader reader = null; // Will contain the raw JSON response as a string. String movieJsonStr = null; String format = "json"; String units = "metric"; int numDays = 7; try { // adjust code for movie database api // building URL https://api.themoviedb.org/3/movie/550?api_key=5622cafbfe8f8cfe358a29c53e19bba0/discover/movie?sort_by=popularity.desc final String MOVIE_BASE_URL = "https://api.themoviedb.org/3/movie/550?"; Uri builtUri = Uri.parse(MOVIE_BASE_URL).buildUpon() .appendPath("3") .appendPath("movie") .appendPath("550") .appendQueryParameter("api_key", "5622cafbfe8f8cfe358a29c53e19bba0") .appendPath("discover") .appendPath("movie") .appendQueryParameter("sort_by", "popularity.desc") .build(); URL url = new URL(builtUri.toString()); Log.v(LOG_TAG, "Built URI " + builtUri.toString()); urlConnection = (HttpURLConnection) url.openConnection(); urlConnection.setRequestMethod("GET"); urlConnection.connect(); // Read the input stream into a String InputStream inputStream = urlConnection.getInputStream(); StringBuffer buffer = new StringBuffer(); if (inputStream == null) { // Nothing to do. return null; } reader = new BufferedReader(new InputStreamReader(inputStream)); String line; while ((line = reader.readLine()) != null) { // Since it's JSON, adding a newline isn't necessary (it won't affect parsing) // But it does make debugging a *lot* easier if you print out the completed // buffer for debugging. buffer.append(line + "\n"); } if (buffer.length() == 0) { // Stream was empty. No point in parsing. return null; } movieJsonStr = buffer.toString(); Log.v(LOG_TAG, "Movie string: " + movieJsonStr); } catch (IOException e) { Log.e("PlaceholderFragment", "Error ", e); // If the code didn't successfully get the movie data, there's no point in attemping // to parse it. return null; } finally { if (urlConnection != null) { urlConnection.disconnect(); } if (reader != null) { try { reader.close(); } catch (final IOException e) { Log.e("PlaceholderFragment", "Error closing stream", e); } } } //TODO Uncomment your goddamn block of code once it's been figured out /*try { return geMovieDataFromJson(movieJsonStr, numDays); } catch (JSONException e) { Log.e(LOG_TAG, e.getMessage(), e); e.printStackTrace(); } // This will only happen if there was an error getting or parsing the code. */ return null; } @Override protected void onPostExecute(String[] result) { if (result != null) { movieAdapter.clear(); for(String vName : result) { // movieAdapter.add(vName); } // New data is back from the server. Hooray! } } } }