var app = angular.module('plunker', ['ui.router']);

app.config(['$stateProvider',
  function($stateProvider) {
    $stateProvider
    .state("viewA", {
        url:'/viewA',
        templateUrl: 'view.html',
        controller: 'ctrlA',
      })
    .state("viewB", {
        url:'/viewB',
        templateUrl: 'view.html',
        controller: 'ctrlB',
      });
  }
]);

app.controller('MainCtrl', function($scope, $location) {});

app.controller('ctrlA', function($scope) {
  $scope.val = 'CtrlA';
});

app.controller('ctrlB', function($scope) {
  $scope.val = 'CtrlB';
});
<!DOCTYPE html>
<html ng-app="plunker">

  <head>
    <meta charset="utf-8" />
    <title>AngularJS Plunker</title>
    <script>document.write('<base href="' + document.location + '" />');</script>
    <link rel="stylesheet" href="style.css" />
    <script data-require="angular.js@1.0.x" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.7/angular.js" data-semver="1.0.7"></script>
      <script src="http://angular-ui.github.io/ui-router/release/angular-ui-router.min.js"></script>
    <script src="app.js"></script>
  </head>

  <body ng-controller="MainCtrl">
   
   
   <a ui-sref="viewA">View A</a>
   <a ui-sref="viewB">View B</a>
   
   <div ui-view></div>
    
  </body>

</html>
/* Put your css in here */

a {
  color: blue;
  cursor: pointer;
  text-decoration: underline;
}

ul li  ul {
  display: none;
}

.open { 
   display: block; 
}
{{val}}