How execute code every time that I view a page

Question

I\'m searching the mode to execute a code (in my case the retrieve of data to visualize from server) every time I view a page (every time the page is called by splitAp

Answer 1

If routing is used, another version of Allen's code:

 onInit : function () {
   this._oRouter = sap.ui.core.UIComponent.getRouterFor(this);
   this._oRouter.getRoute("detail").attachMatched(this.handleRouteMatched, this);
},

  handleRouteMatched : function (evt) {
    //You code here to run every time when your detail page is called.
  }