md-list中的md-secondary-container位置问题

Question

  <md-list-item ng-click="navigateTo(setting.extraScreen, $event)" ng-repeat="setting in settings">
    <md-icon md-svg-icon="{{setting.icon}}"></md-icon>
    <p> {{ setting.name }} </p>
    <md-switch class="md-secondary" ng-model="setting.enabled"></md-switch>
  </md-list-item>

如何更改辅助操作按钮的位置？

我只想在列表的开头显示次要操作按钮