sapui5 - Not able to initilize the JS view in openui5 -


not able initilize below js view in index page. please me? m getting error msg "uncaught (in promise) typeerror: t.createcontent not function"

plunker link: https://plnkr.co/edit/7v0cn93adraoy9wqu269?p=preview

app.view.js:

sap.ui.jsview("app",{     getcontrollername:function(){        return "app";    },      createcontent:function(ocontoller){         var obutton = new sap.m.button(this.createid("hellobutton"),{           text:"click me"        });         return obutton;     } });

change view code this

sap.ui.jsview("view.js.app", {      getcontrollername: function() {         return "view.js.app";     },      createcontent: function(ocontoller) {          var obutton = new sap.m.button(this.createid("hellobutton"), {             text: "click me"         });          return obutton;     } });

also add controller file app.controller.js , paste below code.

sap.ui.controller("view.js.app", {      oninit: function() {      }  });

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