test/html/pull-to-refresh.html

<html ng-app="ionicApp">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="initial-scale=1, maximum-scale=1, user-scalable=no, width=device-width">

  <title>Ionic Pull to Refresh</title>

  <link rel="stylesheet" href="../../dist/css/ionic.css">
</head>
<body ng-controller="MyCtrl">

<ion-header-bar class="bar-positive">
  <h1 class="title">Pull To Refresh</h1>
</ion-header-bar>

<ion-content>
  <ion-refresher on-refresh="doRefresh()">

                 </ion-refresher>
  <ion-list>
    <ion-item ng-repeat="item in items">{{item}}</ion-item>
  </ion-list>
</ion-content>
<script src="../../dist/js/ionic.bundle.js"></script>
<script>
  angular.module('ionicApp', ['ionic'])

      .controller('MyCtrl', function($scope, $timeout) {
        $scope.items = ['Item 1', 'Item 2', 'Item 3'];
        $scope.doRefresh = function() {
          $timeout( function() {
            //simulate async response
            $scope.items.push('New Item ' + Math.floor(Math.random() * 1000) + 4);
            //Stop the ion-refresher from spinning
            $scope.$broadcast('scroll.refreshComplete');
          }, 30);
        };
      });
</script>
</body>
</html>