+ /**
+ * register drawing_name as fallback and make it displayed.
+ */
+ // lid = this->layers.get_layer_id(string("fallback"));
+ l_id = this->lc->getNewLayerID("fallback", &l_name);
+ HMI_DEBUG("%s is not registered in layers.json, then fallback as normal app", role);
+ if (l_id == 0)
+ {
+ return Err<int>("Designated role does not match any role, fallback is disabled");
+ }