Refresh event added and compile errors fixed.

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

@@ -1,7 +1,9 @@
 package pl.tpolgrabia.urbanexplorer.callbacks;
 
+import org.greenrobot.eventbus.EventBus;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import pl.tpolgrabia.urbanexplorer.events.RefreshEvent;
 import pl.tpolgrabia.urbanexplorer.fragments.HomeFragment;
 
 /**
@@ -19,7 +21,7 @@ public class PanoramioProviderCallback implements ProviderStatusCallback {
     public void callback(String provider, boolean enabled) {
         if (enabled) {
             lg.trace("Handling provider enabling - refreshing panoramio listing");
-            homeFragment.refresh();
+            EventBus.getDefault().post(new RefreshEvent(this));
         }
     }
 }

app/src/main/java/pl/tpolgrabia/urbanexplorer/events/RefreshEvent.java

@@ -0,0 +1,48 @@
+package pl.tpolgrabia.urbanexplorer.events;
+
+import java.sql.Ref;
+
+/**
+ * Created by tpolgrabia on 24.09.16.
+ */
+public class RefreshEvent {
+    private Object source;
+    private Long time;
+
+    public RefreshEvent() {
+        this(null);
+    }
+
+    public RefreshEvent(Object source) {
+        this(source, System.currentTimeMillis());
+    }
+
+    public RefreshEvent(Object source, Long time) {
+        this.source = source;
+        this.time = time;
+    }
+
+    public Object getSource() {
+        return source;
+    }
+
+    public void setSource(Object source) {
+        this.source = source;
+    }
+
+    public Long getTime() {
+        return time;
+    }
+
+    public void setTime(Long time) {
+        this.time = time;
+    }
+
+    @Override
+    public String toString() {
+        return "RefreshEvent{" +
+            "source=" + source +
+            ", time=" + time +
+            '}';
+    }
+}

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

@@ -12,6 +12,7 @@ import android.widget.ListView;
 import android.widget.TextView;
 import android.widget.Toast;
 import org.greenrobot.eventbus.EventBus;
+import org.greenrobot.eventbus.Subscribe;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import pl.tpolgrabia.urbanexplorer.MainActivity;
@@ -19,6 +20,7 @@ import pl.tpolgrabia.urbanexplorer.R;
 import pl.tpolgrabia.urbanexplorer.callbacks.*;
 import pl.tpolgrabia.urbanexplorer.dto.panoramio.PanoramioImageInfo;
 import pl.tpolgrabia.urbanexplorer.events.DataLoadingFinishEvent;
+import pl.tpolgrabia.urbanexplorer.events.RefreshEvent;
 import pl.tpolgrabia.urbanexplorer.handlers.PanoramioItemLongClickHandler;
 import pl.tpolgrabia.urbanexplorer.handlers.PanoramioLocationsScrollListener;
 import pl.tpolgrabia.urbanexplorer.utils.*;
@@ -30,7 +32,7 @@ import java.util.concurrent.Semaphore;
 /**
  * A simple {@link Fragment} subclass.
  */
-public class HomeFragment extends Fragment implements Refreshable {
+public class HomeFragment extends Fragment  {
 
     private static final Logger lg = LoggerFactory.getLogger(HomeFragment.class);
 
@@ -148,7 +150,7 @@ public class HomeFragment extends Fragment implements Refreshable {
             return;
         }
         int offset = photos.size();
-        lg.debug("Fetching additional photos offset: {}, count: {}", offset, SettingsUtils.getPanoramioBulkDataSize(this));
+        lg.debug("Fetching additional photos offset: {}, count: {}", offset, SettingsUtils.getPanoramioBulkDataSize(getActivity()));
         PanoramioUtils.fetchPanoramioImages(
             activity,
             location.getLatitude(),
@@ -162,7 +164,7 @@ public class HomeFragment extends Fragment implements Refreshable {
     }
 
     private Long fetchLocationPageSize() {
-        return Long.valueOf(SettingsUtils.getPanoramioBulkDataSize(this));
+        return Long.valueOf(SettingsUtils.getPanoramioBulkDataSize(getActivity()));
     }
 
     @Override
@@ -212,8 +214,8 @@ public class HomeFragment extends Fragment implements Refreshable {
         lg.trace("Saved photos: {}", photos);
     }
 
-    @Override
+    @Subscribe
-    public void refresh() {
+    public void refresh(RefreshEvent refreshEvent) {
         lg.trace("Fetch panoramio photos");
         final FragmentActivity activity = getActivity();
         if (activity == null) {

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

@@ -16,6 +16,7 @@ import android.widget.TextView;
 import android.widget.Toast;
 import com.google.gson.Gson;
 import org.greenrobot.eventbus.EventBus;
+import org.greenrobot.eventbus.Subscribe;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import pl.tpolgrabia.urbanexplorer.AppConstants;
@@ -27,6 +28,7 @@ import pl.tpolgrabia.urbanexplorer.dto.wiki.WikiCacheDto;
 import pl.tpolgrabia.urbanexplorer.dto.wiki.app.WikiAppObject;
 import pl.tpolgrabia.urbanexplorer.events.DataLoadingFinishEvent;
 import pl.tpolgrabia.urbanexplorer.events.DataLoadingStartEvent;
+import pl.tpolgrabia.urbanexplorer.events.RefreshEvent;
 import pl.tpolgrabia.urbanexplorer.utils.*;
 
 import java.io.*;
@@ -39,7 +41,7 @@ import static android.content.Context.LOCATION_SERVICE;
 /**
  * A simple {@link Fragment} subclass.
  */
-public class WikiLocationsFragment extends Fragment implements Refreshable {
+public class WikiLocationsFragment extends Fragment {
 
     private static final Logger lg = LoggerFactory.getLogger(WikiLocationsFragment.class);
     private static final String CLASS_TAG = WikiLocationsFragment.class.getSimpleName();
@@ -314,8 +316,8 @@ public class WikiLocationsFragment extends Fragment implements Refreshable {
         }
     }
 
-    @Override
+    @Subscribe
-    public void refresh() {
+    public void refresh(RefreshEvent event) {
         appObjects.clear();
         fetchWikiLocations();
     }

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

@@ -35,7 +35,7 @@ public class SettingsUtils {
     }
 
     public static int getPanoramioBulkDataSize(Context ctx) {
-        SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(ctx.getActivity());
+        SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(ctx);
         final String sValue = sharedPrefs.getString(AppConstants.PANORAMIO_BULK_SIZE_KEY,
             String.valueOf(AppConstants.PANORAMIO_BULK_SIZE_DEF_VALUE));
         try {