Shopware subscriber to detect if AboCommerce is activated in your template.

SwagAboCommerce_detection.php

<?php
/**
     * Adds the variable AboCommerceEnabled to the view
     *
     * @param Arguments $arguments
     */
    public function addAboCommerceData(Arguments $arguments)
    {
        /** @var \Enlight_Controller_Action $controller */
        $controller = $arguments->get('subject');
        $view = $controller->View();
        $aboCommerceEnabled = $this->container->has('abo_commerce.abo_commerce');

        if ($aboCommerceEnabled == false) {
            try {
                /** @var \Shopware_Components_AboCommerce $aboCommerce */
                $aboCommerce = Shopware()->AboCommerce();
                $aboCommerceEnabled = true;
            } catch (\Exception $e) {
                $aboCommerceEnabled = false;
            }
        }

        $view->assign('AboCommerceEnabled', $aboCommerceEnabled);
    }

How to install an Abo commerce/subscriptions plugin in Shopware. I have downloaded the test version and start to install a plugin, At the installation time facing license issue For example "Unable to install, got exception: License check for module "SwagAboCommerce" has failed. " How to rectify the issue?