Footer in ALV Grid Display

To display Footer in ALV Grid you have to use HTML_End_of_List Parameter in ALV Grid Function Module.

i.e.

CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
   EXPORTING
     I_CALLBACK_PROGRAM                    = sy-repid
     I_CALLBACK_TOP_OF_PAGE           = 'TOP_OF_PAGE'
     I_BACKGROUND_ID                              = 'ALV_BACKGROUND'
     i_callback_html_end_of_list                   = 'END_OF_LIST_HTML'
     IS_LAYOUT                                              = wa_layout
     IT_FIELDCAT                                           = it_fieldcat
     I_DEFAULT                                              = 'X'
     I_SAVE                                                     = 'A'
     IT_EVENTS                                              = it_event[]
     IS_PRINT                                                  = wa_print
   TABLES
      t_outtab                                                    = it_result
   EXCEPTIONS
     PROGRAM_ERROR                               = 1
     OTHERS                                                   = 2.

Write your Footer content in Subroutine using OOABAP.

FORM end_of_list_html USING end TYPE REF TO cl_dd_document.

  DATA: ls_text TYPE sdydo_text_element,

        l_grid     TYPE REF TO cl_gui_alv_grid,

        f(14) TYPE c VALUE 'SET_ROW_HEIGHT'.

   ls_text = 'Footer title'.

 * adds and icon (red triangle)

  CALL METHOD end->add_icon

    EXPORTING

      sap_icon = 'ICON_MESSAGE_ERROR_SMALL'.

 * adds test (via variable)

  CALL METHOD end->add_text

    EXPORTING

      text         = ls_text

      sap_emphasis = 'strong'.

 * adds new line (start new line)

  CALL METHOD end->new_line.

 * display text(bold)

  CALL METHOD end->add_text

    EXPORTING

      text         = 'Bold text'

      sap_emphasis = 'strong'.

 * adds new line (start new line)

  CALL METHOD end->new_line.

 * display text(normal)

  CALL METHOD end->add_text

    EXPORTING

      text         = 'Normal text'.

 * adds new line (start new line)

  CALL METHOD end->new_line.

 * display text(bold)

  CALL METHOD end->add_text

    EXPORTING

      text         = 'Yellow triangle'

      sap_emphasis = 'strong'.

 * adds and icon (yellow triangle)

  CALL METHOD end->add_icon

    EXPORTING

      sap_icon = 'ICON_LED_YELLOW'.

 * display text(normal)

  CALL METHOD end->add_text

    EXPORTING

      text         = 'More text'.

 *set height of this section

  CALL FUNCTION 'GET_GLOBALS_FROM_SLVC_FULLSCR'

    IMPORTING

      e_grid = l_grid.

   CALL METHOD l_grid->parent->parent->(f)

    EXPORTING

      id     = 3

      height = 14.

 ENDFORM. "end_of_list_html.