<!DOCTYPE html>
<html style="height: 100%;">
  <head>
    <meta charset="utf-8" />
    <title>Demo</title>
    <!-- Make sure to bootstrap from a specific UI5 version. DO NOT rely on the latest CDN release. The below `src` is for testing and demos only. -->
    <script id="sap-ui-bootstrap"
      src="https://sdk.openui5.org/nightly/resources/sap-ui-core.js"
      data-sap-ui-async="true"
      data-sap-ui-oninit="module:sap/ui/core/ComponentSupport"
      data-sap-ui-compatversion="edge"
      data-sap-ui-excludejquerycompat="true"
      data-sap-ui-resourceroots='{ "demo": "./" }'
      data-sap-ui-xx-waitfortheme="init"
    ></script>
  </head>
  <body id="content" class="sapUiBody sapUiSizeCompact">
    <div style="height: 100%;"
      data-sap-ui-component
      data-id="rootComponentContainer"
      data-name="demo"
      data-height="100%"
      data-settings='{ "id": "rootComponent" }'
    ></div>
  </body>
</html>
sap.ui.define([
  "sap/ui/core/UIComponent",
], function(UIComponent) {
  "use strict";
  
  return UIComponent.extend("demo.Component", {
    metadata: {
      interfaces: [
        "sap.ui.core.IAsyncContentCreation",
      ],
      manifest: "json",
    },
    
    init: function() {
      UIComponent.prototype.init.apply(this, arguments);
      this.getRouter().initialize();
    }
    
  });
});
{
  "_version": "1.60.0",
  "start_url": "index.html",
  "sap.app": {
    "id": "demo",
    "type": "application",
    "title": "Demo",
    "description": "Sample Code",
    "applicationVersion": {
      "version": "1.0.0"
    }
  },
  "sap.ui": {
    "technology": "UI5",
    "deviceTypes": {
      "desktop": true,
      "tablet": true,
      "phone": true
    }
  },
  "sap.ui5": {
    "config": {
      "sapFiori2Adaptation": true
    },
    "dependencies": {
      "minUI5Version": "1.108",
      "libs": {
        "sap.ui.core": {},
        "sap.m": {}
      }
    },
    "contentDensities": {
      "compact": true,
      "cozy": true
    },
    "models": {},
    "rootView": {
      "viewName": "demo.view.App",
      "id": "rootView",
      "type": "XML",
      "async": true
    },
    "routing": {
      "config": {
        "routerClass": "sap.m.routing.Router",
        "async": true,
        "type": "View",
        "viewType": "XML",
        "path": "demo.view",
        "controlId": "rootApp",
        "controlAggregation": "pages",
        "transition": "slide",
        "bypassed": {
          "target": "notFound"
        },
        "homeRoute": "home"
      },
      "routes": [
        {
          "name": "home",
          "pattern": "",
          "target": "home",
          "titleTarget": "home"
        }
      ],
      "targets": {
        "home": {
          "id": "homeView",
          "name": "Home",
          "transition": "fade",
          "level": 1
        },
        "notFound": {
          "name": "Home",
          "transition": "slide",
          "level": 98
        }
      }
    }
  }
}
<mvc:View xmlns:mvc="sap.ui.core.mvc" xmlns="sap.m" displayBlock="true">
  <App id="rootApp" autoFocus="false">
    <pages>
      <!-- Navigated views will be placed in here -->
    </pages>
  </App>
</mvc:View>
<mvc:View controllerName="demo.controller.Home"
  xmlns="sap.m"
  xmlns:mvc="sap.ui.core.mvc"
  displayBlock="true">
  <Page id="homePage" title="Home">
    <Button id="target"
      type="Transparent"
      icon="sap-icon://cursor-arrow"
      iconFirst="false"
      class="sapUiTinyMargin"
      text="mouseover Here"
    >
      <dependents>
        <ResponsivePopover id="popover" showHeader="false">
          <content>
            <Avatar
              src="https://openui5.org/654aad3012a144881ab07c0bbdd26eb8/phenix_red.svg"
              class="sapUiSmallMargin"
              displaySize="XL"
              imageFitType="Contain"
            />
          </content>
        </ResponsivePopover>
      </dependents>
    </Button>
  </Page>
</mvc:View>
sap.ui.define([
  "sap/ui/core/mvc/Controller",
], function(Controller) {
  "use strict";
  
  return Controller.extend("demo.controller.Home", {
    onInit: function () {
      this._myDelegate = {
        onmouseover: this._showPopover,
        onmouseout: this._clearPopover,
      };
      this.byId("target").addEventDelegate(this._myDelegate, this);
    },

    _showPopover: function () {
      this._timeId = setTimeout(() => {
        this.byId("popover").openBy(this.byId("target"));
      }, 500);
    },

    _clearPopover: function () {
      clearTimeout(this._timeId);
      this.byId("popover")?.close();
    },

    onExit: function() {
      this._clearPopover();
      this.byId("target").removeEventDelegate(this._myDelegate);
    },

  });
});