protected function buildCrumbs($sprite, $uri)
 {
     $crumbs = array();
     $crumbs[] = id(new PHUICrumbView())->setHref($uri)->setAural($sprite)->setIcon($sprite);
     $view = new PHUICrumbsView();
     foreach ($crumbs as $crumb) {
         $view->addCrumb($crumb);
     }
     return $view;
 }
 protected function buildApplicationCrumbs()
 {
     $crumbs = array();
     $application = $this->getCurrentApplication();
     if ($application) {
         $icon = $application->getFontIcon();
         if (!$icon) {
             $icon = 'fa-puzzle';
         }
         $crumbs[] = id(new PHUICrumbView())->setHref($this->getApplicationURI())->setName($application->getName())->setIcon($icon);
     }
     $view = new PHUICrumbsView();
     foreach ($crumbs as $crumb) {
         $view->addCrumb($crumb);
     }
     return $view;
 }