package comeagain.materialdesign.fragments;
import android.os.Bundle;
import android.os.Message;
import android.support.v4.app.Fragment;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Toast;
import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.ImageLoader;
import com.android.volley.toolbox.JsonObjectRequest;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import javax.xml.transform.ErrorListener;
import comeagain.materialdesign.Log.L;
import comeagain.materialdesign.R;
import comeagain.materialdesign.adapters.AdapterBoxOffice;
import comeagain.materialdesign.extras.Keys;
import comeagain.materialdesign.extras.UrlEndpoints;
import comeagain.materialdesign.materialTest.MyApplication;
import comeagain.materialdesign.network.VollleySingleton;
import comeagain.materialdesign.pojo.Movie;
import static comeagain.materialdesign.extras.Keys.EndpointBoxOffice.*;
import static comeagain.materialdesign.extras.UrlEndpoints.*;
/**
* A simple {@link Fragment} subclass.
* Use the {@link FragmentBoxOffice#newInstance} factory method to
* create an instance of this fragment.
*/
public class FragmentBoxOffice extends Fragment {
// TODO: Rename parameter arguments, choose names that match
// the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
private static final String ARG_PARAM1 = "param1";
private static final String ARG_PARAM2 = "param2";
private static final String URL_ROTTEN_TOMATOES_BOX_OFFICE = "http://api.rottentomatoes.com/api/public/v1.0/lists/movies/box_office.json?apikey=54wzfswsa4qmjg8hjwa64d4c";
// TODO: Rename and change types of parameters
private String mParam1;
private String mParam2;
private VollleySingleton vollleySingleton;
private ImageLoader imageLoader;
private RequestQueue requestQueue;
private ArrayList<Movie> listMovies = new ArrayList<>();
private DateFormat dateformat = new SimpleDateFormat("yyyy-MM-dd");
private RecyclerView listMovieHits;
private AdapterBoxOffice adapterBoxOffice;
public FragmentBoxOffice() {
}
/**
* Use this factory method to create a new instance of
* this fragment using the provided parameters.
*
* @param param1 Parameter 1.
* @param param2 Parameter 2.
* @return A new instance of fragment FragmentBoxOffice.
*/
// TODO: Rename and change types and number of parameters
public static FragmentBoxOffice newInstance(String param1, String param2) {
FragmentBoxOffice fragment = new FragmentBoxOffice();
Bundle args = new Bundle();
args.putString(ARG_PARAM1, param1);
args.putString(ARG_PARAM2, param2);
fragment.setArguments(args);
return fragment;
}
public static String getRequestUrl(int limit) {
return URL_ROTTEN_TOMATOES_BOX_OFFICE+"&=10";
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getArguments() != null) {
mParam1 = getArguments().getString(ARG_PARAM1);
mParam2 = getArguments().getString(ARG_PARAM2);
}
vollleySingleton = VollleySingleton.getsInstance();
requestQueue = vollleySingleton.getmRequestQueue();
}
private void sendJsonRequest() {
JsonObjectRequest request = new JsonObjectRequest(Request.Method.GET, getRequestUrl(10),
(String) null,
new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
listMovies = parseJSONResponse(response);
adapterBoxOffice.setMovieList(listMovies);
Log.i("The Movie list: ", listMovies.toString());
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
}
});
requestQueue.add(request);
}
private ArrayList<Movie> parseJSONResponse(JSONObject response) {
ArrayList<Movie> listMovies = new ArrayList<>();
if (response == null || response.length() == 0) {
try {
StringBuilder data = new StringBuilder();
JSONArray arrayMovies = response.getJSONArray(KEY_MOVIES);
for (int i = 0; i < arrayMovies.length(); i++) {
JSONObject currentMovie = arrayMovies.getJSONObject(i);
//get the currentMovie id
long id = currentMovie.getLong(KEY_ID);
//get the title of the current movie
String title = currentMovie.getString(KEY_TITLE);
//get the date in theater for the current movie
JSONObject objectReleaseDates = currentMovie.getJSONObject(KEY_RELEASE_DATES);
String releaseDate = null;
if (objectReleaseDates.has(KEY_THEATER)) {
releaseDate = objectReleaseDates.getString(KEY_THEATER);
} else {
releaseDate = "N/A";
}
//get the audience score for the current movie
JSONObject objectRatings = currentMovie.getJSONObject(KEY_RATINGS);
int audienceScore = -1;
if (objectRatings.has(KEY_AUDIENCE_SCORE)) {
audienceScore = objectRatings.getInt(KEY_AUDIENCE_SCORE);
}
//get the synopsis of the current movie
String synopsis = currentMovie.getString(KEY_SYNOPSIS);
JSONObject objectPosters = currentMovie.getJSONObject(KEY_POSTERS);
String urlThumnail = null;
if (objectPosters.has(KEY_THUMBNAIL)) {
urlThumnail = objectPosters.getString(KEY_THUMBNAIL);
}
Movie movie = new Movie();
movie.setTitle(title);
Date date = null;
date = dateformat.parse(releaseDate);
movie.setReleaseDateTheater(date);
movie.setAudienceScore(audienceScore);
movie.setSynopsis(synopsis);
movie.setUrlThumbnail(urlThumnail);
listMovies.add(movie);
/*data.append(id + " " + title + " " + releaseDate + " " + audienceScore + "\n");*/
}
/*L.T(getActivity(), listMovies.toString());*/
} catch (JSONException e) {
} catch (ParseException e) {
e.printStackTrace();
}
Log.i("The myListofMovies: ", listMovies.toString());
}
return listMovies;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
View view = inflater.inflate(R.layout.fragment_box_office, container, false);
listMovieHits = (RecyclerView) view.findViewById(R.id.listMovieHits);
listMovieHits.setLayoutManager(new LinearLayoutManager(getActivity()));
adapterBoxOffice = new AdapterBoxOffice(getActivity());
listMovieHits.setAdapter(adapterBoxOffice);
sendJsonRequest();
return view;
}
}
我的问题在于parseJSONResponse。此方法未执行。它应该解析listMovies。我在sendJsonRequest enter code here方法中尝试了Logging（Log.i（“The Movie list：”，listMovies.toString（））;），它在日志文件中没有返回任何内容。
答案 0 :(得分：0)
只要null或length为0，您的响应就会被解析。这条线不应该是这样吗？
if (response != null && response.length() > 0)