How to retrieve View outside the controller - Openui5

Question

If I use this.getView() inside the controller of a view I can retrieve it without problems. How can I retrieve the view if I am outside the controller (e. g. in

Answer 1

When I create a view i set a id

var theView=sap.ui.xmlview("OperationDetail, "");

then i retrieve it by id

var theView = sap.ui.core.Core().byId("OperationDetail");
var myPage=theView.byId("pageOperation");