private IARegion.Listener mRegionListener = new IARegion.Listener() {
        @Override
        public void onEnterRegion(final IARegion region) {
            if (region.getType() == IARegion.TYPE_FLOOR_PLAN) {
                Log.d(TAG, "enter floor plan " + region.getId());
                mFloorPlan = region;
                fetchFloorPlanBitmap(region.getFloorPlan());
                setupPoIs(mVenue.getPOIs(), region.getFloorPlan().getFloorLevel());
            } else if (region.getType() == IARegion.TYPE_VENUE) {
                mVenue = region.getVenue();
            }
        }

        @Override
        public void onExitRegion(IARegion region) {
        }

    };


private void setupPoIs(List<IAPOI> pois, int currentFloorLevel) {
        Log.d(TAG, pois.size() + " PoI(s)");
        // remove any existing markers
        for (Marker m : mPoIMarkers) {
            m.remove();
        }
        mPoIMarkers.clear();
        for (IAPOI poi : pois) {
            if (poi.getFloor() == currentFloorLevel) {
                mPoIMarkers.add(mMap.addMarker(new MarkerOptions()
                        .title(poi.getName())
                        .position(new LatLng(
                                     poi.getLocation().latitude, poi.getLocation().longitude))     
                        .icon(BitmapDescriptorFactory.defaultMarker(
                                     BitmapDescriptorFactory.HUE_BLUE))));
            }
        }
    }