Added fetching geocoded location (natural street address).

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

@@ -4,9 +4,9 @@ package pl.tpolgrabia.urbanexplorer;
  * Created by tpolgrabia on 27.08.16.
  */
 public class AppConstants {
-    public static final String GOOGLE_API_KEY = "AIzaSyDAnmEK6cgovRrefUuYojL1pxPEbIBLZUw";
+    public static final String GOOGLE_API_KEY = "AIzaSyBAJoK-pu_qnQ0U8EGjM1Zkz_g8oJV4w2g";
     public static final long MIN_TIME = 60000;
-    public static final AppStage RELEASE = AppStage.FINAL;
+    public static final AppStage RELEASE = AppStage.DEVELOPMENT;
     public static final float MIN_DISTANCE = 100;
     public static final float PAMNORAMIO_DEF_RADIUSX = 0.05f;
     public static final float PAMNORAMIO_DEF_RADIUSY = 0.05f;

app/src/main/java/pl/tpolgrabia/urbanexplorer/callbacks/LocationGeoCoderCallback.java

@@ -0,0 +1,8 @@
+package pl.tpolgrabia.urbanexplorer.callbacks;
+
+/**
+ * Created by Tomasz Półgrabia <tomasz.polgrabia@unicredit.eu> (c310702) on 20.09.2016.
+ */
+public interface LocationGeoCoderCallback {
+    void callback(int code, String message, String googleStatus, String geocodedLocation);
+}

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

@@ -20,12 +20,10 @@ import org.slf4j.LoggerFactory;
 import pl.tpolgrabia.urbanexplorer.AppConstants;
 import pl.tpolgrabia.urbanexplorer.MainActivity;
 import pl.tpolgrabia.urbanexplorer.R;
-import pl.tpolgrabia.urbanexplorer.callbacks.PanoramioResponseCallback;
+import pl.tpolgrabia.urbanexplorer.callbacks.*;
-import pl.tpolgrabia.urbanexplorer.callbacks.PanoramioResponseStatus;
-import pl.tpolgrabia.urbanexplorer.callbacks.ProviderStatusCallback;
-import pl.tpolgrabia.urbanexplorer.callbacks.StandardLocationListenerCallback;
 import pl.tpolgrabia.urbanexplorer.dto.panoramio.PanoramioCacheDto;
 import pl.tpolgrabia.urbanexplorer.dto.panoramio.PanoramioImageInfo;
+import pl.tpolgrabia.urbanexplorer.utils.LocationUtils;
 import pl.tpolgrabia.urbanexplorer.utils.NetUtils;
 import pl.tpolgrabia.urbanexplorer.utils.PanoramioUtils;
 
@@ -51,6 +49,7 @@ public class HomeFragment extends Fragment implements Refreshable {
     private Semaphore loading;
     private ArrayList<PanoramioImageInfo> photos;
     private boolean noMorePhotos;
+    private String currentGeocodedLocation;
 
     public int getPanoramioBulkDataSize() {
         SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(getActivity());
@@ -93,7 +92,8 @@ public class HomeFragment extends Fragment implements Refreshable {
                 public void callback(Location location) {
                     noMorePhotos = false;
                     photos = new ArrayList<>();
-                    updateLocationInfo();
+                    currentGeocodedLocation = null;
+                    updateGeocodedLocation();
                     try {
                         fetchAdditionalPhotos();
                     } catch (InterruptedException e) {
@@ -113,6 +113,26 @@ public class HomeFragment extends Fragment implements Refreshable {
                 });
     }
 
+    private void updateGeocodedLocation() {
+        if (getActivity() == null) {
+            lg.debug("Activity still not attached");
+            return;
+        }
+
+        Location currLocation = NetUtils.getLastKnownLocation(getActivity());
+        LocationUtils.getGeoCodedLocation(getActivity(), currLocation.getLatitude(), currLocation.getLongitude(), new LocationGeoCoderCallback() {
+            @Override
+            public void callback(int code, String message, String googleStatus, String geocodedLocation) {
+                lg.debug("Geocoded result code {}, message {}, status: {}, value {}",
+                        code, message, googleStatus, geocodedLocation);
+
+                currentGeocodedLocation = geocodedLocation;
+                updateLocationInfo();
+            }
+        });
+
+    }
+
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
@@ -415,8 +435,13 @@ public class HomeFragment extends Fragment implements Refreshable {
         super.onResume();
         getActivity().setTitle("Panoramio search");
         lg.trace("onResume");
+        if (currentGeocodedLocation != null) {
             updateLocationInfo();
         }
+        else {
+            updateGeocodedLocation();
+        }
+    }
 
     public void updateLocationInfo() {
         lg.trace("Update locations info");
@@ -425,21 +450,16 @@ public class HomeFragment extends Fragment implements Refreshable {
             lg.warn("Fragment has no view");
             return;
         }
-        TextView locationInfo = (TextView) view.findViewById(R.id.locationInfo);
+        final TextView locationInfo = (TextView) view.findViewById(R.id.locationInfo);
         final FragmentActivity activity = getActivity();
         if (activity == null) {
             lg.warn("Activity should'nt be null. No headless fragment");
             return;
         }
-        Location currLocation = NetUtils.getLastKnownLocation(activity);
+        final Location currLocation = NetUtils.getLastKnownLocation(activity);
         lg.trace("Current location: {}, locationInfo: {}", currLocation, locationInfo);
-        if (currLocation != null && locationInfo != null) {
+        locationInfo.setText(currentGeocodedLocation);
-            // update home fragment's location info
+
-            locationInfo.setText("Your current location: ("
-                + currLocation.getLatitude()
-                + "," +
-                currLocation.getLongitude() + ")");
-        }
     }
 
     @Override

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

@@ -21,10 +21,7 @@ import pl.tpolgrabia.urbanexplorer.AppConstants;
 import pl.tpolgrabia.urbanexplorer.MainActivity;
 import pl.tpolgrabia.urbanexplorer.R;
 import pl.tpolgrabia.urbanexplorer.adapters.WikiLocationsAdapter;
-import pl.tpolgrabia.urbanexplorer.callbacks.FetchWikiLocationsCallback;
+import pl.tpolgrabia.urbanexplorer.callbacks.*;
-import pl.tpolgrabia.urbanexplorer.callbacks.ProviderStatusCallback;
-import pl.tpolgrabia.urbanexplorer.callbacks.StandardLocationListenerCallback;
-import pl.tpolgrabia.urbanexplorer.callbacks.WikiStatus;
 import pl.tpolgrabia.urbanexplorer.dto.wiki.WikiCacheDto;
 import pl.tpolgrabia.urbanexplorer.dto.wiki.app.WikiAppObject;
 import pl.tpolgrabia.urbanexplorer.utils.*;
@@ -51,6 +48,7 @@ public class WikiLocationsFragment extends Fragment implements Refreshable {
     private TextView currentLocation;
     private ArrayList<WikiAppObject> appObjects = new ArrayList<>();
     private int lastFetchSize = -1;
+    private String currentGeocodedLocation;
 
     public WikiLocationsFragment() {
         // Required empty public constructor
@@ -223,11 +221,34 @@ public class WikiLocationsFragment extends Fragment implements Refreshable {
     public void onResume() {
         super.onResume();
         getActivity().setTitle("Wiki search");
+        if (currentGeocodedLocation != null) {
             updateLocationInfo();
+        } else {
+            updateGeocodedLocation();
+        }
         fetchWikiLocations();
         lg.trace("onResume {}", System.identityHashCode(this));
     }
 
+    private void updateGeocodedLocation() {
+        if (getActivity() == null) {
+            lg.debug("Activity is not attached");
+            return;
+        }
+
+        Location location = NetUtils.getLastKnownLocation(getActivity());
+        LocationUtils.getGeoCodedLocation(getActivity(), location.getLatitude(), location.getLongitude(), new LocationGeoCoderCallback() {
+            @Override
+            public void callback(int code, String message, String googleStatus, String geocodedLocation) {
+                lg.debug("Geocoded result code {}, message {}, status: {}, value {}",
+                        code, message, googleStatus, geocodedLocation);
+
+                currentGeocodedLocation = geocodedLocation;
+                updateLocationInfo();
+            }
+        });
+    }
+
     public void updateLocationInfo() {
         final FragmentActivity activity = getActivity();
         if (activity == null) {
@@ -235,12 +256,7 @@ public class WikiLocationsFragment extends Fragment implements Refreshable {
             return;
         }
         final Location location = NetUtils.getLastKnownLocation(activity);
-        if (location != null) {
+        currentLocation.setText(currentGeocodedLocation);
-            currentLocation.setText("Your current location: ("
-                + location.getLatitude()
-                + ","
-                + location.getLongitude() + ")");
-        }
     }
 
     @Override

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

@@ -2,8 +2,15 @@ package pl.tpolgrabia.urbanexplorer.utils;
 
 import android.content.Context;
 import android.location.LocationManager;
+import com.androidquery.AQuery;
+import com.androidquery.callback.AjaxCallback;
+import com.androidquery.callback.AjaxStatus;
+import org.json.JSONArray;
+import org.json.JSONObject;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import pl.tpolgrabia.urbanexplorer.AppConstants;
+import pl.tpolgrabia.urbanexplorer.callbacks.LocationGeoCoderCallback;
 
 /**
  * Created by tpolgrabia on 28.08.16.
@@ -34,4 +41,80 @@ public class LocationUtils {
 
         return null;
     }
+
+    public static void getGeoCodedLocation(Context ctx, Double latitude, Double longitude,
+                                           final LocationGeoCoderCallback clbk) {
+        if (ctx == null) {
+            throw new IllegalArgumentException("Context cannot be null");
+        }
+
+        if (latitude == null) {
+            throw new IllegalArgumentException("Latitude cannot be null");
+        }
+
+        if (longitude == null) {
+            throw new IllegalArgumentException("Longitude cannot be null");
+        }
+
+        AQuery aq = new AQuery(ctx);
+
+        aq.ajax("https://maps.googleapis.com/maps/api/geocode/json" +
+                "?latlng=" + latitude + "," + longitude +
+                "&key=" + AppConstants.GOOGLE_API_KEY, JSONObject.class, new AjaxCallback<JSONObject>(){
+            @Override
+            public void callback(String url, JSONObject object, AjaxStatus status) {
+                lg.debug("Got response from url {} with status {} - {}",
+                        url,
+                        status,
+                        object);
+
+                String googleStatus = object != null ? object.optString("status") : "(null)";
+                lg.trace("Google status {}", googleStatus);
+
+                if (status.getCode() != 200) {
+                    lg.info("Got invalid response with error code {} and message {} and error {}",
+                            status.getCode(), status.getMessage(), status.getError());
+                    clbk.callback(status.getCode(), status.getMessage(), googleStatus, null);
+                    return;
+                }
+
+                if (!"OK".equals(googleStatus)) {
+                    lg.info("Got invalid google status {}", googleStatus);
+                    clbk.callback(status.getCode(), status.getMessage(), googleStatus, null);
+                    return;
+                }
+
+                JSONArray results = object.optJSONArray("results");
+                int n = results.length();
+                for (int i = 0; i < n; i++) {
+                    result = results.optJSONObject(i);
+                    if (result == null) {
+                        continue;
+                    }
+
+                    JSONArray types = result.optJSONArray("types");
+                    if (types == null) {
+                        continue;
+                    }
+
+                    if (types.length() != 1){
+                        continue;
+                    }
+
+                    String singleType = types.optString(0);
+                    if (!"street_address".equals(singleType)) {
+                        continue;
+                    }
+                    clbk.callback(status.getCode(),
+                            status.getMessage(),
+                            googleStatus,
+                            result.optString("formatted_address"));
+                    return;
+                }
+
+                clbk.callback(status.getCode(), status.getMessage(), googleStatus, "(not found)");
+
+            }
+        });
+    }
 }