Fix app crash on clicking event without venue, fix #179

app/src/main/java/app/insti/fragment/EventFragment.java

@@ -208,21 +208,23 @@ public class EventFragment extends BackHandledFragment {
 
         setFollowButtonColors(event.getEventUserUes());
 
-        if (event.getEventVenues().get(0).getVenueLatitude() == 0) {
-            navigateButton.setVisibility(View.GONE);
-        } else {
-            navigateButton.setOnClickListener(new View.OnClickListener() {
-                @Override
-                public void onClick(View v) {
-                    Venue primaryVenue = event.getEventVenues().get(0);
-                    Uri gmmIntentUri = Uri.parse("google.navigation:q=" + primaryVenue.getVenueLatitude() + "," + primaryVenue.getVenueLongitude() + "(" + primaryVenue.getVenueName() + ")");
-                    Intent mapIntent = new Intent(Intent.ACTION_VIEW, gmmIntentUri);
-                    mapIntent.setPackage("com.google.android.apps.maps");
-                    startActivity(mapIntent);
-                }
-            });
-        }
 
+        if (event.getEventVenues() != null && event.getEventVenues().size() != 0) {
+            if (event.getEventVenues().get(0).getVenueLatitude() == 0) {
+                navigateButton.setVisibility(View.GONE);
+            } else {
+                navigateButton.setOnClickListener(new View.OnClickListener() {
+                    @Override
+                    public void onClick(View v) {
+                        Venue primaryVenue = event.getEventVenues().get(0);
+                        Uri gmmIntentUri = Uri.parse("google.navigation:q=" + primaryVenue.getVenueLatitude() + "," + primaryVenue.getVenueLongitude() + "(" + primaryVenue.getVenueName() + ")");
+                        Intent mapIntent = new Intent(Intent.ACTION_VIEW, gmmIntentUri);
+                        mapIntent.setPackage("com.google.android.apps.maps");
+                        startActivity(mapIntent);
+                    }
+                });
+            }
+        }
         shareEventButton.setOnClickListener(new View.OnClickListener() {
             String shareUrl = ShareURLMaker.getEventURL(event);