<preference-headers xmlns:android="http://schemas.android.com/apk/res/android">
  
      <!-- These settings headers are only used on tablets. -->
  
      <header
          android:fragment="com.gump.passport.demo.SettingsActivity$ParamPreferenceFragment"
          android:icon="@drawable/ic_text_fields_black_24dp"
          android:title="@string/pref_header_param"/>
      <header
          android:fragment="com.gump.passport.demo.SettingsActivity$GeneralPreferenceFragment"
          android:icon="@drawable/ic_build_black_24dp"
          android:title="@string/pref_header_general"/>
      <header
          android:fragment="com.gump.passport.demo.SettingsActivity$PaymentPreferenceFragment"
          android:icon="@drawable/ic_attach_money_black_24dp"
          android:title="@string/payment"/>
  
  </preference-headers>