// Create map widget
ad->map = elm_map_add(ad->conform);
evas_object_size_hint_weight_set(ad->map, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(ad->map, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_map_zoom_mode_set(ad->map, ELM_MAP_ZOOM_MODE_MANUAL);
elm_map_zoom_set(ad->map, 13);
evas_object_show(ad->map);
elm_object_content_set(ad->conform, ad->map);

// Start gps service
location_manager_create(LOCATIONS_METHOD_GPS, &ad->gps);
location_manager_set_service_state_changed_cb(ad->gps, __state_changed_cb, (void*)ad);
location_manager_start(ad->gps);

// __state_changed_cb, get current gps position and add an icon overlay on the map widget
static void__state_changed_cb(location_service_state_e state, void *user_data)
{
    appdata_s *ad = (appdata_s*)user_data;
    double altitude, latitude, longitude, climb, direction, speed, horizontal, vertical;
    location_accuracy_level_e level;
        time_t timestamp;

    if(state == LOCATIONS_SERVICE_ENABLED) 
    {
        location_manager_get_location(ad->gps, &altitude, &latitude, &longitude, &climb, &direction, &speed, &level, &horizontal, &vertical, &timestamp);
        elm_map_region_bring_in(ad->map, longitude, latitude);
        // add an position icon overlay on the map
        Elm_Map_Overlay *ovl = elm_map_overlay_add(ad->map, longitude, latitude);
        elm_map_overlay_displayed_zoom_min_set(ovl, 8);
        Evas_Object *icon = elm_icon_add(ad->map);
        elm_icon_standard_set(icon, ICON_DIR"location_32.png");
        elm_map_overlay_icon_set(ovl, icon);
    }
}