したがって、私のフラグメントでは、スピナーアイテムからのユーザーの選択に基づいてjson応答を取得しようとしています。選択はアラビア語で、URLに入力した文字列をデコードしようとしましたが、デコードURLEncoder.encode(string, "UTF-8").toString()せずにURLを送信するとボレー ライブラリから 404 応答コードを返します。
私のコードは次のようになります。メソッドで選択したスピナー項目から文字列をエンコードしようとしましたgetTripPrice()。何が問題なのか、なぜ機能しないのかわかりません。
public class HomeFragment extends Fragment {
public static final String TAG_STRING_URL = "url";
public String TAG_TRIP_PRICE = "url";
public static final String TAG_CITY_NAME = "CityName";
public static final String TAG_CITY_ID = "CityID";
public static final String TAG_ARRAY_NAME = "GetCitiesResult";
public static String TAG = HomeFragment.class.getSimpleName();
public String tripFromSelected, tripToSelected;
public Spinner spinnerFrom, spinnerTo;
public TextView textView;
public String jsonResponse, tripPriceString;
Button button;
public Context globalContext = null;
private static final String ARG_PARAM1 = "param1";
private static final String ARG_PARAM2 = "param2";
private String mParam1;
private String mParam2;
private OnFragmentInteractionListener mListener;
public static HomeFragment newInstance(String param1, String param2) {
HomeFragment fragment = new HomeFragment();
Bundle args = new Bundle();
args.putString(ARG_PARAM1, param1);
args.putString(ARG_PARAM2, param2);
fragment.setArguments(args);
return fragment;
}
public HomeFragment() {
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getArguments() != null) {
mParam1 = getArguments().getString(ARG_PARAM1);
mParam2 = getArguments().getString(ARG_PARAM2);
}
getFromCities();
getToCities();
}
public class FromCity {
private String id;
private String name;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
public class ToCity {
private String id;
private String name;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
public ArrayList<String> getFromCitiesList(String string) {
return null;
}
public ArrayList<String> getToCitiesList(String string) {
return null;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_home, null);
Button logout = (Button) view.findViewById(R.id.bookNowHome);
logout.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
// Intent intent = new Intent(getActivity().getApplicationContext(), TripsActivity.class);
// startActivity(intent);
getTripPrice();
}
});
textView = (TextView) view.findViewById(R.id.tripPriceText);
return view;
}
public void getFromCities() {
JsonObjectRequest jsObjRequest = new JsonObjectRequest(Request.Method.GET, TAG_STRING_URL, null, new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
Log.d(TAG, response.toString());
ArrayList<FromCity> cities = new ArrayList<FromCity>();
ArrayList<String> cityNames = new ArrayList<String>();
try {
JSONArray jsonArray = response.getJSONArray(TAG_ARRAY_NAME);
for (int i = 0; i < jsonArray.length(); i++) {
JSONObject jSONObject = jsonArray.getJSONObject(i);
String cityID = jSONObject.getString(TAG_CITY_ID);
String cityName = jSONObject.getString(TAG_CITY_NAME);
FromCity fromCity = new FromCity();
fromCity.setName(jSONObject.optString(TAG_CITY_NAME));
cities.add(fromCity);
cityNames.add(jSONObject.optString(TAG_CITY_NAME));
spinnerFrom = (Spinner) getView().findViewById(R.id.tripFromSpinner);
spinnerFrom.setAdapter(new ArrayAdapter<String>(getActivity().getApplicationContext(), android.R.layout.simple_spinner_dropdown_item, cityNames));
spinnerFrom.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
tripFromSelected = spinnerFrom.getSelectedItem().toString();
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
}
});
}
} catch (JSONException e) {
e.printStackTrace();
Toast.makeText(getActivity().getApplicationContext(), "Error: " + e.getMessage(), Toast.LENGTH_LONG).show();
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
VolleyLog.d(TAG, "Error: " + error.getMessage());
}
});
AppController.getInstance(getActivity().getApplicationContext()).addToRequestQueue(jsObjRequest);
}
public void getToCities() {
JsonObjectRequest jsObjRequest = new JsonObjectRequest(Request.Method.GET, TAG_STRING_URL, null, new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
Log.d(TAG, response.toString());
ArrayList<ToCity> cities = new ArrayList<ToCity>();
ArrayList<String> cityNames = new ArrayList<String>();
try {
JSONArray jsonArray = response.getJSONArray(TAG_ARRAY_NAME);
for (int i = 0; i < jsonArray.length(); i++) {
JSONObject jSONObject = jsonArray.getJSONObject(i);
String cityID = jSONObject.getString(TAG_CITY_ID);
String cityName = jSONObject.getString(TAG_CITY_NAME);
ToCity toCity = new ToCity();
toCity.setName(jSONObject.optString(TAG_CITY_NAME));
cities.add(toCity);
cityNames.add(jSONObject.optString(TAG_CITY_NAME));
spinnerTo = (Spinner) getView().findViewById(R.id.tripToSpinner);
spinnerTo.setAdapter(new ArrayAdapter<String>(getActivity().getApplicationContext(), android.R.layout.simple_spinner_dropdown_item, cityNames));
spinnerTo.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
tripToSelected = spinnerTo.getSelectedItem().toString();
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
}
});
}
} catch (JSONException e) {
e.printStackTrace();
Toast.makeText(getActivity().getApplicationContext(), "Error: " + e.getMessage(), Toast.LENGTH_LONG).show();
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
VolleyLog.d(TAG, "Error: " + error.getMessage());
}
});
AppController.getInstance(getActivity().getApplicationContext()).addToRequestQueue(jsObjRequest);
}
public void getTripPrice() {
JsonObjectRequest jsonObjReq = null;
try {
jsonObjReq = new JsonObjectRequest(Request.Method.GET, TAG_TRIP_PRICE + URLEncoder.encode(tripFromSelected, "utf-8").toString() + "/" + URLEncoder.encode(tripToSelected, "utf-8").toString() , null, new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
VolleyLog.d("Response: ", response.toString());
try {
JSONObject getPriceResult = response.getJSONObject("GetTripPriceResult");
tripPriceString = getPriceResult.getString("MonthPrice");
textView.setText(tripPriceString);
} catch (JSONException e) {
e.printStackTrace();
Toast.makeText(globalContext, "Error: " + e.getMessage(), Toast.LENGTH_LONG).show();
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
VolleyLog.d(TAG, "Error: " + error.getMessage());
}
});
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
AppController.getInstance(globalContext).addToRequestQueue(jsonObjReq);
}
public void onButtonPressed(Uri uri) {
if (mListener != null) {
mListener.onFragmentInteraction(uri);
}
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
}
@Override
public void onDetach() {
super.onDetach();
mListener = null;
}
public interface OnFragmentInteractionListener {
public void onFragmentInteraction(Uri uri);
}
}
問題がパスリングにある可能性がある場合に備えて、これは私のJSONデータがどのように見えるかです
{
"GetTripPriceResult": {
"TripID": 14,
"TripName": "التجمع-العاشر",
"TripFrom": "التجمع",
"TripTo": "العاشر",
"DayPrice": 50,
"MonthPrice": 1500,
"TripNotes": "",
"Stations": [
{
"StationID": 26,
"StationName": "شارع التسعين",
"StationNotes": "Second Note"
},
{
"StationID": 29,
"StationName": "شارع اخناتون",
"StationNotes": ""
}
]
}
}