ionic - not refreshing ion-content after a call to REST Service (factory)

I'm new with ionic-framework. I'm running the application in the browser. I'm experiencing an issue after I call a factory service. The template is not refreshing its content. The most weird thing is that when I resize the browser I'm able to see the content (images).

This is my Controller:

    angular.module('Tijeras.controllers').controller('PromocionesCtrl', function($scope, categoriaService, $ionicPopup, $ionicLoading) {

    $scope.items = [];

    $scope.promocionDetalle = function(id) {
        $ionicPopup.alert({
            title: id
        });
    };

    function getPromociones() {

        $ionicLoading.show({
            template: 'Loading...'
        });

        categoriaService.getCategoriaByID(1)
            .success(function(data, status, headers, config) {

                $ionicLoading.hide();
                $scope.items = data;
                $scope.$apply();
            })
            .error(function(data, status, headers, config) {
                $ionicPopup.alert({
                    title: "Error, no se pudo invocar el servicio"
                });
                $ionicLoading.hide();
            });
    };

    function init() {
        getPromociones();
    };

    init();
});

My factory

var TijerasApp = angular.module('TijerasApp');

TijerasApp.factory('categoriaService', function($http){
    return {
        getCategoriaByID: function(id, callback){
            return $http.get('http://192.168.1.9:8080/CategoriaService/categoria/1');
        }
    }
});

The template

<ion-view view-title="Promociones">
<ion-pane>
    <ion-slide-box>
        <ion-slide ng-repeat="item in items">
            <ion-content>
                <img class="img-responsive" src="{{item.image}}" ng-click="promocionDetalle({{item.id}})">
            </ion-content>
        </ion-slide>
    </ion-slide-box>
</ion-pane>

The result from the REST invocation is the following:

[{
    id: 5443544353,
    rootCategory: 3,
    image: "img/promociones/fashion1.jpg",
    text: "shampoos rehidratantes",
    description: "/promociones/fashion1.jpg"
}, {
    id: 2321312,
    rootCategory: 3,
    image: "img/promociones/fashion1.jpg",
    text: "shampoos rehidratantes",
    description: "/promociones/fashion1.jpg"
}]