openEventsPlatformApp/www/templates/categories.html

<ion-view view-title="Categories">
    <ion-content>
        <ion-list>
            <a class="item" ng-href="#/app/byCategory/{{category.name}}" ng-repeat="category in categories">
                {{category.name}}
            </a>
        </ion-list>
    </ion-content>
</ion-view>