Material angular - Subencabezados

los md-subheader, una directiva Angular, se usa para mostrar un subtítulo para una sección.

Ejemplo

El siguiente ejemplo muestra el uso de md-subheader y también los usos del componente subheader.

am_subheaders.htm

<html lang = "en">
   <head>
      <link rel = "stylesheet"
         href = "https://ajax.googleapis.com/ajax/libs/angular_material/1.0.0/angular-material.min.css">
      <script src = "https://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular.min.js"></script>
      <script src = "https://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular-animate.min.js"></script>
      <script src = "https://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular-aria.min.js"></script>
      <script src = "https://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular-messages.min.js"></script>
      <script src = "https://ajax.googleapis.com/ajax/libs/angular_material/1.0.0/angular-material.min.js"></script>
      <link rel = "stylesheet" href = "https://fonts.googleapis.com/icon?family=Material+Icons">
      
      <script language = "javascript">
         angular
            .module('firstApplication', ['ngMaterial'])
            .controller('subheaderController', subheaderController);

         function subheaderController ($scope) {
            $scope.fruitNames = ['Apple', 'Banana', 'Orange'];
            $scope.vegNames = ['Carrot', 'Potato', 'Cabbage'];
            $scope.eateries = ['Milk', 'Bread'];
         }	  
      </script>      
   </head>
   
   <body ng-app = "firstApplication"> 
      <div id = "subheaderContainer" ng-controller = "subheaderController as ctrl"
         layout = "column" flex layout-fill ng-cloak>
         <md-toolbar md-scroll-shrink>
            <div class = "md-toolbar-tools">Items</div>
         </md-toolbar>
         
         <md-content style = "height: 600px;">
            <section>
               <md-subheader class = "md-primary">Fruits</md-subheader>
               <md-list layout-padding>
                  <md-list-item ng-repeat = "fruits in fruitNames">
                     <div>
                        <p>{{fruits}}</p>
                     </div>
                  </md-list-item>
               </md-list>
            </section>
               
            <section>
               <md-subheader class = "md-warn">Vegetables</md-subheader>
               <md-list layout-padding>
                  <md-list-item ng-repeat = "veg in vegNames">
                     <div>
                        <p>{{veg}}</p>
                     </div>
                  </md-list-item>
               </md-list>
            </section>
               
            <section>
               <md-subheader>Eateries</md-subheader>
               <md-list layout-padding>
                  <md-list-item ng-repeat = "eatery in eateries">
                     <div>
                        <p>{{eatery}}</p>
                     </div>
                  </md-list-item>
               </md-list>
            </section>
         </md-content>
         
      </div>
   </body>
</html>

Resultado

Verifique el resultado.