Beginnings of wiki feature - somewhat works (page thumbs and title).

app/src/main/java/pl/tpolgrabia/urbanexplorer/MainActivity.java

@@ -1,5 +1,6 @@
 package pl.tpolgrabia.urbanexplorer;
 
+import android.content.Context;
 import android.content.Intent;
 import android.location.Location;
 import android.location.LocationManager;
@@ -86,6 +87,7 @@ public class MainActivity extends ActionBarActivity implements GestureDetector.O
         // lLinearLayout locations = (LinearLayout) findViewById(R.id.locations);
         // locations.setOnTouchListener(new OnSwipeTouchListener);
         gestureDetector = new GestureDetectorCompat(this, this);
+        locationCallback = new StandardLocationListener();
         initLocalication();
     }
 
@@ -239,13 +241,17 @@ public class MainActivity extends ActionBarActivity implements GestureDetector.O
     private void initLocalication() {
         if (checkForLocalicatonEnabled()) return;
 
+        final Context ctx = this;
+
         locationCallback.setLocationChangedCallback(new StandardLocationListenerCallback() {
             @Override
             public void callback(Location location) {
                 double lat = location.getLatitude();
                 double lng = location.getLongitude();
-                TextView locationInfo = (TextView) findViewById(R.id.locationInfo);
+                // getSupportFragmentManager().findFragmentById(R.id.wiki_)
-                locationInfo.setText("Location: (" + lat + "," + lng + ")");
+                // TextView locationInfo = (TextView) findViewById(R.id.locationInfo);
+                // locationInfo.setText("Location: (" + lat + "," + lng + ")");
+                Toast.makeText(ctx, "Location: (" + lat + "," + lng + ")", Toast.LENGTH_SHORT).show();
             }
         });
     }

app/src/main/java/pl/tpolgrabia/urbanexplorer/adapters/WikiLocationsAdapter.java

@@ -0,0 +1,55 @@
+package pl.tpolgrabia.urbanexplorer.adapters;
+
+import android.content.Context;
+import android.text.Layout;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.*;
+import com.nostra13.universalimageloader.core.ImageLoader;
+import pl.tpolgrabia.urbanexplorer.MainActivity;
+import pl.tpolgrabia.urbanexplorer.R;
+import pl.tpolgrabia.urbanexplorer.dto.WikiPage;
+
+import java.util.List;
+
+/**
+ * Created by tpolgrabia on 01.09.16.
+ */
+public class WikiLocationsAdapter extends ArrayAdapter<WikiPage> {
+    public WikiLocationsAdapter(Context ctx, List<WikiPage> locations) {
+        super(ctx, R.layout.wiki_locations_item, locations);
+    }
+
+    @Override
+    public View getView(int position, View convertView, ViewGroup parent) {
+        final LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+        View inflatedView;
+        if (convertView != null) {
+            // reusing old view
+            inflatedView = convertView;
+        } else {
+            inflatedView = inflater.inflate(R.layout.wiki_locations_item,parent,false);
+        }
+
+        WikiPage wikiPage = getItem(position);
+
+        // wiki page image preview
+        ImageView imgPreview = (ImageView) inflatedView.findViewById(R.id.wiki_locs_item_img_preview);
+        String url = wikiPage.getThumbnail() != null ? wikiPage.getThumbnail().getSource() : null;
+
+        if (url != null) {
+            ImageLoader.getInstance().displayImage(
+                url,
+                imgPreview,
+                MainActivity.options);
+        }
+
+        // wiki page title
+        TextView pageTitle = (TextView) inflatedView.findViewById(R.id.wiki_locs_item_title);
+        pageTitle.setText(wikiPage.getTitle());
+
+
+        return inflatedView;
+    }
+}

app/src/main/java/pl/tpolgrabia/urbanexplorer/fragments/HomeFragment.java

@@ -51,7 +51,7 @@ public class HomeFragment extends Fragment  {
     private TextView locationsResultInfo;
     private StandardLocationListener locationCallback = new StandardLocationListener();
     private LocationManager locationService;
-    private String locationProvider = LocationUtils.getDefaultLocation(getActivity());
+    private String locationProvider = null;
 
     public HomeFragment() {
         // Required empty public constructor
@@ -61,7 +61,7 @@ public class HomeFragment extends Fragment  {
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         aq = new AQuery(getActivity());
-
+        locationProvider = LocationUtils.getDefaultLocation(getActivity());
         locationService = (LocationManager)getActivity().getSystemService(Context.LOCATION_SERVICE);
 
     }

app/src/main/java/pl/tpolgrabia/urbanexplorer/fragments/WikiLocationsFragment.java

@@ -10,9 +10,14 @@ import android.view.View;
 import android.view.ViewGroup;
 
 import android.widget.Button;
+import android.widget.ListView;
 import android.widget.TextView;
 import android.widget.Toast;
 import pl.tpolgrabia.urbanexplorer.R;
+import pl.tpolgrabia.urbanexplorer.adapters.WikiLocationsAdapter;
+import pl.tpolgrabia.urbanexplorer.callbacks.WikiResponseCallback;
+import pl.tpolgrabia.urbanexplorer.callbacks.WikiStatus;
+import pl.tpolgrabia.urbanexplorer.dto.WikiResponse;
 import pl.tpolgrabia.urbanexplorer.utils.LocationUtils;
 import pl.tpolgrabia.urbanexplorer.utils.WikiUtils;
 
@@ -55,8 +60,23 @@ public class WikiLocationsFragment extends Fragment {
         fetchPlaces.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                Location location = locationService.getLastKnownLocation(LocationUtils.getDefaultLocation(getActivity()));
+                final Location location = locationService.getLastKnownLocation(LocationUtils.getDefaultLocation(getActivity()));
-                WikiUtils.fetchNearPlaces(this, location.getLatitude(), location.getLongitude());
+                WikiUtils.fetchNearPlaces(getActivity(), location.getLatitude(), location.getLongitude(), 10L, new WikiResponseCallback() {
+                    @Override
+                    public void callback(WikiStatus status, WikiResponse response) {
+                        // handling here wiki locations
+                        if (status != WikiStatus.SUCCESS) {
+                            Toast.makeText(getActivity(), "Sorry, currently we have problem with interfacing wiki" +
+                                ": " + status + ". Try again later", Toast.LENGTH_SHORT).show();
+                            return;
+                        }
+
+                        // TODO on success
+
+                        ListView locations = (ListView) inflatedView.findViewById(R.id.wiki_places);
+                        locations.setAdapter(new WikiLocationsAdapter(getActivity(), response.getPages()));
+                    }
+                });
             }
         });
 

app/src/main/java/pl/tpolgrabia/urbanexplorer/utils/WikiUtils.java

@@ -49,19 +49,18 @@ public class WikiUtils {
                     "&ggscoord=" + latitude + "%7C" + longitude +
                     "&ggsradius=10000" +
                     "&ggslimit=" + resultsLimit +
-                    "&format" + WIKI_FORMAT;
+                    "&format=" + WIKI_FORMAT;
                 aq.ajax(qurl, JSONObject.class, new AjaxCallback<JSONObject>() {
                     @Override
                     public void callback(String url, JSONObject object, AjaxStatus status) {
                         if (status.getCode() == 200) {
-                            callback.callback(WikiStatus.SUCCESS, null);
-                        } else {
                             try {
-                                callback.callback(WikiStatus.NETWORK_ERROR, fetchWikiResponse(object));
+                                callback.callback(WikiStatus.SUCCESS, fetchWikiResponse(object));
                             } catch (JSONException e) {
-                                Log.e(CLASS_TAG, "General error", e);
+                                Log.e(CLASS_TAG, "JSon error", e);
-                                callback.callback(WikiStatus.GENERAL_ERROR, null);
                             }
+                        } else {
+                            callback.callback(WikiStatus.NETWORK_ERROR, null);
                         }
                     }
                 });
@@ -71,6 +70,10 @@ public class WikiUtils {
     }
 
     public static WikiResponse fetchWikiResponse(JSONObject object) throws JSONException {
+        if (object == null) {
+            return null;
+        }
+
         WikiResponse wikiResponse = new WikiResponse();
         wikiResponse.setBatchComplete(Boolean.valueOf(object.getString("batchcomplete")));
         wikiResponse.setPages(fetchPages(object.getJSONObject("query").getJSONObject("pages")));
@@ -89,16 +92,19 @@ public class WikiUtils {
 
     public static WikiPage fetchPage(JSONObject jpage) throws JSONException {
         WikiPage wikiPage = new WikiPage();
-        wikiPage.setCoordinates(fetchCoordinates(jpage.getJSONArray("coordinates")));
+        wikiPage.setCoordinates(fetchCoordinates(jpage.optJSONArray("coordinates")));
-        wikiPage.setIndex(jpage.getLong("index"));
+        wikiPage.setIndex(jpage.optLong("index"));
-        wikiPage.setNs(jpage.getLong("ns"));
+        wikiPage.setNs(jpage.optLong("ns"));
-        wikiPage.setPageId(jpage.getLong("pageId"));
+        wikiPage.setPageId(jpage.optLong("pageid"));
-        wikiPage.setThumbnail(fetchThumbnail(jpage.getJSONObject("thumbnail")));
+        wikiPage.setThumbnail(fetchThumbnail(jpage.optJSONObject("thumbnail")));
-        wikiPage.setTitle(jpage.getString("title"));
+        wikiPage.setTitle(jpage.optString("title"));
-        return null;
+        return wikiPage;
     }
 
     public static WikiThumbnail fetchThumbnail(JSONObject jthumbnail) throws JSONException {
+        if (jthumbnail == null) {
+            return null;
+        }
         WikiThumbnail wikiThumbnail = new WikiThumbnail();
         wikiThumbnail.setWidth(jthumbnail.getLong("width"));
         wikiThumbnail.setHeight(jthumbnail.getLong("height"));
@@ -107,11 +113,15 @@ public class WikiUtils {
     }
 
     public static List<WikiLocation> fetchCoordinates(JSONArray jcoordinates) throws JSONException {
+        if (jcoordinates == null) {
+            return null;
+        }
+
         List<WikiLocation> wikiLocations = new ArrayList<WikiLocation>();
 
         int n = jcoordinates.length();
         for (int i = 0; i < n; i++) {
-            wikiLocations.add(fetchCoordinate(jcoordinates.getJSONObject(i)))
+            wikiLocations.add(fetchCoordinate(jcoordinates.getJSONObject(i)));
         }
 
         return wikiLocations;